renewable energy related essay

116 Renewable Energy Essay Topics

🏆 best essay topics on renewable energy, 🌶️ hot renewable energy essay topics, 👍 good renewable energy research topics & essay examples, 💡 simple renewable energy essay ideas, ❓ renewable energy research questions.

• How Wind Turbines Convert Wind Energy into Electrical Energy?
• Siemens Energy: Renewable Energy System
• Discussion of Renewable Energy Resources
• Solving the Climate Change Crisis by Using Renewable Energy Sources
• Renewable Energy Technology in Egypt
• The Use of Renewable Energy: Advantages and Disadvantages
• Wind Energy as an Alternative Source
• Solar Energy and Its Impact on Environment The purpose of this paper is to determine the impact of solar energy on the environment. The major positive impact is the minimal emission of greenhouse gases.
• Renewable Energy Sources: Popularity and Benefits Renewable fuels are not as pollutive as fossil fuels; they can be reproduced quickly from domestic resources. They became popular because of the decreasing amount of fossil fuels.
• Renewable Energy: Why Do We Need It? Renewable sources of energy such as solar, wind, or hydropower can bring multiple environmental benefits and tackle the problems of climate change and pollution in several ways.
• Renewable Energy Usage: Advantages and Disadvantages This treatise attempts to support the statement that there are both advantages and disadvantages to the use of renewable energy with focus on hydroelectric power.
• Discussion of Realization of Solar Energy Company ABC is interested in creating a “solar” project which will fully install and staff solar panels to ensure the safe transformation of solar energy into electricity.
• Solar Power as the Best Source of Energy The concepts of environmental conservation and sustainability have forced many countries and organizations to consider the best strategies or processes for generating electricity.
• Sunburst Renewable Energy Corporation: Business Structuring The proposed Sunburst Renewable Energy Corporation will function on a captivating value statement in product strategy and customer relationships as the core instruments of sustainable operations.
• The G20 Countries’ Competitiveness in Renewable Energy Resources “Assessing national renewable energy competitiveness of the G20” by Fang et al. presents an assessment of competitiveness in renewable energy resources among G20 countries.
• Renewable Energy Sources: Definition, Types and Stocks This research report analyzes the growing interest of the use renewable energy as an alternative to the non-renewable energy.
• Environmental Degradation and Renewable Energy The global community relies on the surrounding environment for food production, transport, and economic development.
• Renewable Energy in Japan: Clean Energy Transition Renewable energy in Japan became significantly important after the Fukushima Daiichi tsunami that struck Japan in 2011.
• The Concept of Sustainability in Energy Plan for 2030-2040 The paper discusses the concept of sustainability takes a central role in the global discussion and presents of environment safety plan.
• Future of 100% Renewable Energy This article explores the future of renewable green energy and a review the topical studies related to 100% renewable energy.
• Full Renewable Energy Plan Feasibility for 2030-2040 This paper argues that green energy in its current state will struggle to meet humanity’s demand and the development of better hybrid, integrated grids is required.
• Solar Energy: Advantages and Disadvantages Renewable energy sources are being supported and invested in by governments to instigate a new environment-friendly technology.
• Profitability of Onshore and Offshore Wind Energy in Australia Undoubtedly, the recent increase in popularity of campaigns to decarbonize the globe proves renewable energy to be a current and future trend globally.
• Renewable Energy: The Use of Fossil Fuel The paper states that having a combination of renewable energy sources is becoming critical in the global effort to reduce the use of fossil fuels.
• Is Nuclear Power Renewable Energy? Renewable energy is obtained from the naturally-occurring elements, implying that it can be easily accessed, cheaply generated, and conveniently supplied to consumers.
• Solar Energy in China and Its Influence on Climate Change The influence of solar energy on climate change has impacted production, the advancement of solar energy has impacted climate change in the geography of China.
• Full Renewable Energy Plan Feasibility: 2030-2040 The paper argues that green energy in its current state will struggle to meet the humanity’s demand and the development of better hybrid, integrated grids is required.
• Energy Efficiency and Renewable Energy Utilization This paper aims at expounding the effectiveness of renewable energy and the utilization of energy efficiency in regard to climate change.
• Utilization of Solar Energy for Thermal Desalination The following research is set to outline the prospects of utilization of solar energy for thermal desalination technologies.
• A World With 100% Renewable Energy Large corporations, countries, and separate states have already transferred or put a plan into action to transfer to 100% renewable energy in a couple of decades.
• Renewable Energy Programs in Five Countries Energy production is vital for the drive of the economy. The world at large should diversify the sources to reduce the over-usage of fossil energy that is a threat of depletion.
• Wind Works Ltd.: Wind Energy Development Methodology Wind Works Ltd, as the company, which provides the alternative energy sources, and makes them available for the wide range of the population needs to resort to a particular assessment strategies.
• Installing Solar Panels to Reduce Energy Costs The purpose of the proposal is to request permission for research to install solar panels to reduce energy costs, which represent a huge part of the company’s expenses.
• Renewable Energy Sources for Saudi Arabia This paper will provide background information on the Kingdom of Saudi Arabia, its energy resources, and how it may become more modern and efficient.
• Renewable Energy: Economic and Health Benefits The US should consider the adoption of renewable sources of energy, because of the high cost of using fossil fuels and expenses related to health problems due to pollution.
• Renewable Energy Systems Group and Toyota Company The application of the Lean Six Sigma to the key company processes, creates prerequisites for stellar success, as the examples of Toyota and the Renewable Energy Systems Group have shown.
• Renewable Energy Systems: Australia’s Electricity
• Accelerating Renewable Energy Electrification and Rural Economic Development With an Innovative Business Model
• Renewable Energy Systems: Role of Grid Connection
• Breaking Barriers Towards Investment in Renewable Energy
• California Dreaming: The Economics of Renewable Energy
• Marine Renewable Energy Clustering in the Mediterranean Sea: The Case of the PELAGOS Project
• Differences Between Fossil Fuel and Renewable Energy
• Addressing the Renewable Energy Financing Gap in Africa to Promote Universal Energy Access: Integrated Renewable Energy Financing in Malawi
• Causality Between Public Policies and Exports of Renewable Energy Technologies
• Achieving the Renewable Energy Target for Jamaica
• Economic Growth and the Transition From Non-renewable to Renewable Energy
• Between Innovation and Industrial Policy: How Washington Succeeds and Fails at Renewable Energy
• Increasing Financial Incentive for Renewable Energy in the Third World
• Does Financial Development Matter for Innovation in Renewable Energy?
• Financing Rural Renewable Energy: A Comparison Between China and India
• Alternative Energy for Renewable Energy Sources
• Low-Carbon Transition: Private Sector Investment in Renewable Energy Projects in Developing Countries
• Effective Renewable Energy Activities in Bangladesh
• China’s Renewable Energy Policy: Commitments and Challenges
• Analyzing the Dynamic Impact of Electricity Futures on Revenue and Risk of Renewable Energy in China
• Driving Energy: The Enactment and Ambitiousness of State Renewable Energy Policy
• Carbon Lock-Out: Advancing Renewable Energy Policy in Europe
• Big Oil vs. Renewable Energy: A Detrimental Conflict With Global Consequences
• Efficient Feed-In-Tariff Policies for Renewable Energy Technologies
• Balancing Cost and Risk: The Treatment of Renewable Energy in Western Utility Resource Plans
• Active and Reactive Power Control for Renewable Energy Generation Engineering
• Mainstreaming New Renewable Energy Technologies
• Carbon Pricing and Innovation of Renewable Energy
• Economic Growth, Carbon Dioxide Emissions, Renewable Energy and Globalization
• Figuring What’s Fair: The Cost of Equity Capital for Renewable Energy in Emerging Markets
• Distributed Generation: The Definitive Boost for Renewable Energy in Spain
• Biodiesel From Green Rope and Brown Algae: Future Renewable Energy
• Electricity Supply Security and the Future Role of Renewable Energy Sources in Brazil
• Contracting for Biomass: Supply Chain Strategies for Renewable Energy
• Advanced Education and Training Programs to Support Renewable Energy Investment in Africa
• Domestic Incentive Measures for Renewable Energy With Possible Trade Implications
• Affordable and Clean Renewable Energy
• Catalyzing Investment for Renewable Energy in Developing Countries
• Better Health, Environment, and Economy With Renewable Energy Sources
• Afghanistan Renewable Energy Development Issues and Options
• How Economics Can Change the World With Renewable Energy?
• Are Green Hopes Too Rosy? Employment and Welfare Impacts of Renewable Energy Promotion
• Marketing Strategy for Renewable Energy Development in Indonesia Context Today
• Biomass Residue From Palm Oil Industries is Used as Renewable Energy Fuel in Southeast Asia
• Assessing Renewable Energy Policies in Palestine
• Chinese Renewable Energy Technology Exports: The Role of Policy, Innovation, and Markets
• Business Models for Model Businesses: Lessons From Renewable Energy Entrepreneurs in Developing Countries
• Economic Impacts From the Promotion of Renewable Energy Technologies: The German Experience
• Key Factors and Recommendations for Adopting Renewable Energy Systems by Families and Firms
• Improving the Investment Climate for Renewable Energy
• How Will Renewable Energy Play a Role in Future Economies?
• What Are the Advantages of Renewable Energy?
• What Is the Term for a Renewable Energy Source That Taps Into Heat Produced Deep Below Ground?
• What Are the Basic Problems of Renewable Energy?
• Why Is Solar Energy the Best Resource of Renewable Energy?
• How Can You Make a Potentially Renewable Energy Resource Sustainable?
• What Is a Possible Cost of Using Renewable Energy Resources?
• What Is the Contribution of Renewable Energy Sources to Global Energy Consumption?
• How Do Renewable Energy Resources Work?
• What Is the Most Viable Renewable Energy Source for the US to Invest In?
• Why Isn’t Renewable Energy More Widely Used Than It Is?
• Is Coal Still a Viable Resource Versus Windpower Being Renewable Energy?
• What Is the Difference Between Non-renewable and Renewable Energy?
• Why Is It Necessary to Emphasize Renewable Energy Sources in Order to Achieve a Sustainable Society?
• Is Aluminum an Example of a Renewable Energy Resource?
• What Fraction of Our Energy Currently Comes From Renewable Energy Sources?
• What Are the Disadvantages of Renewable Energy?
• What Would Have to Happen to Completely Abandon Non-renewable Energy Sources?
• Why Are Renewable Energy Better Than Fossil Fuels?
• How Could a Renewable Energy Resource Become Non-renewable?
• How Have Renewable Energy Resources Replaced a Percentage of Fossil Fuels in Different Countries?
• How Can Water Be Used as a Renewable Energy Resource?
• What Is the Most Practical Renewable Energy Source?
• What Steps Are Necessary to Further the Use of Renewable Energy Resources in THE US?
• Why Is Renewable Energy Use Growing?
• What Type of Renewable Energy Should Businesses in Your Region Invest In?
• How Does Renewable Energy Reduce Climate Change?
• Can the Development of Renewable Energy Sources Lead To Increased International Tensions?
• How Do Renewable Energy Resources Affect the Environment?
• Why Have So Many Governments Decided to Subsidize Renewable Energy Initiatives?

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These essay examples and topics on Renewable Energy were carefully selected by the StudyCorgi editorial team. They meet our highest standards in terms of grammar, punctuation, style, and fact accuracy. Please ensure you properly reference the materials if you’re using them to write your assignment.

This essay topic collection was updated on December 28, 2023 .

Towards Sustainable Energy: A Systematic Review of Renewable Energy Sources, Technologies, and Public Opinions

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Renewable Energy Explained

Solar, wind, hydroelectric, biomass, and geothermal power can provide energy without the planet-warming effects of fossil fuels.

Chemistry, Conservation, Earth Science, Engineering

Braes of Doune Wind Farm

As of 2017, wind turbines, like the Braes of Doune wind farm near Stirling, Scotland, are now producing 539,000 megawatts of power around the world—22 times more than 16 years before. Unfortunately, this renewable, clean energy generator isn't perfect.

Photograph by Jim Richardson

In any discussion about climate change , renewable energy usually tops the list of changes the world can implement to stave off the worst effects of rising temperatures. That's because renewable energy sources, such as solar and wind, don't emit carbon dioxide and other greenhouse gases that contribute to global warming. Clean energy has far more to recommend it than just being "green." The growing sector creates jobs, makes electric grids more resilient, expands energy access in developing countries, and helps lower energy bills. All of those factors have contributed to a renewable energy renaissance in recent years, with wind and solar setting new records for electricity generation. For the past 150 years or so, humans have relied heavily on coal, oil, and other fossil fuels to power everything from light bulbs to cars to factories. Fossil fuels are embedded in nearly everything we do, and as a result, the greenhouse gases released from the burning of those fuels have reached historically high levels. As greenhouse gases trap heat in the atmosphere that would otherwise escape into space, average temperatures on the surface are rising. Global warming is one symptom of climate change, the term scientists now prefer to describe the complex shifts affecting our planet’s weather and climate systems. Climate change encompasses not only rising average temperatures but also extreme weather events, shifting wildlife populations and habitats, rising seas, and a range of other impacts. Of course, renewables—like any source of energy—have their own trade-offs and associated debates. One of them centers on the definition of renewable energy. Strictly speaking, renewable energy is just what you might think: perpetually available, or as the United States Energy Information Administration puts it, "virtually inexhaustible." But "renewable" doesn't necessarily mean sustainable, as opponents of corn-based ethanol or large hydropower dams often argue. It also doesn't encompass other low- or zero-emissions resources that have their own advocates, including energy efficiency and nuclear power. Types of Renewable Energy Sources Hydropower: For centuries, people have harnessed the energy of river currents, using dams to control water flow. Hydropower is the world's biggest source of renewable energy by far, with China, Brazil, Canada, the U.S., and Russia being the leading hydropower producers. While hydropower is theoretically a clean energy source replenished by rain and snow, it also has several drawbacks. Large dams can disrupt river ecosystems and surrounding communities, harming wildlife, and displacing residents. Hydropower generation is vulnerable to silt buildup, which can compromise capacity and harm equipment. Drought can also cause problems. In the western U.S., carbon dioxide emissions over a 15-year period were 100 megatons higher than they would have been with normal precipitation levels, according to a 2018 study, as utilities turned to coal and gas to replace hydropower lost to drought. Even hydropower at full capacity bears its own emissions problems, as decaying organic material in reservoirs releases methane. Dams aren't the only way to use water for power: Tidal and wave energy projects around the world aim to capture the ocean's natural rhythms. Marine energy projects currently generate an estimated 500 megawatts of power—less than one percent of all renewables—but the potential is far greater. Programs like Scotland’s Saltire Prize have encouraged innovation in this area. Wind: Harnessing the wind as a source of energy started more than 7,000 years ago. Now, electricity-generating wind turbines are proliferating around the globe, and China, the U.S., and Germany are the world's leading wind-energy producers. From 2001 to 2017, cumulative wind capacity around the world increased to more than 539,000 megawatts from 23,900 megawatts—more than 22 fold. Some people may object to how wind turbines look on the horizon and to how they sound, but wind energy, whose prices are declining, is proving too valuable a resource to deny. While most wind power comes from onshore turbines, offshore projects are appearing too, with the most in the United Kingdom and Germany. The first U.S. offshore wind farm opened in 2016 in Rhode Island, and other offshore projects are gaining momentum. Another problem with wind turbines is that they’re a danger for birds and bats, killing hundreds of thousands annually, not as many as from glass collisions and other threats like habitat loss and invasive species, but enough that engineers are working on solutions to make them safer for flying wildlife. Solar: From home rooftops to utility-scale farms, solar power is reshaping energy markets around the world. In the decade from 2007 and 2017 the world's total installed energy capacity from photovoltaic panels increased a whopping 4,300 percent. In addition to solar panels, which convert the sun's light to electricity, concentrating solar power (CSP) plants use mirrors to concentrate the sun's heat, deriving thermal energy instead. China, Japan, and the U.S. are leading the solar transformation, but solar still has a long way to go, accounting for around just two percent of the total electricity generated in the U.S. in 2017. Solar thermal energy is also being used worldwide for hot water, heating, and cooling. Biomass: Biomass energy includes biofuels, such as ethanol and biodiesel, wood, wood waste, biogas from landfills, and municipal solid waste. Like solar power, biomass is a flexible energy source, able to fuel vehicles, heat buildings, and produce electricity. But biomass can raise thorny issues. Critics of corn-based ethanol, for example, say it competes with the food market for corn and supports the same harmful agricultural practices that have led to toxic algae blooms and other environmental hazards. Similarly, debates have erupted over whether it's a good idea to ship wood pellets from U.S. forests over to Europe so that it can be burned for electricity. Meanwhile, scientists and companies are working on ways to more efficiently convert corn stover, wastewater sludge, and other biomass sources into energy, aiming to extract value from material that would otherwise go to waste. Geothermal: Used for thousands of years in some countries for cooking and heating, geothermal energy is derived from Earth’s internal heat. On a large scale, underground reservoirs of steam and hot water can be tapped through wells that can go a two kilometers deep or more to generate electricity. On a smaller scale, some buildings have geothermal heat pumps that use temperature differences several meters below ground for heating and cooling. Unlike solar and wind energy, geothermal energy is always available, but it has side effects that need to be managed, such as the rotten-egg smell that can accompany released hydrogen sulfide. Ways To Boost Renewable Energy Cities, states, and federal governments around the world are instituting policies aimed at increasing renewable energy. At least 29 U.S. states have set renewable portfolio standards—policies that mandate a certain percentage of energy from renewable sources. More than 100 cities worldwide now boast receiving at least 70 percent of their energy from renewable sources, and still others are making commitments to reach 100 percent. Other policies that could encourage renewable energy growth include carbon pricing, fuel economy standards, and building efficiency standards. Corporations are making a difference too, purchasing record amounts of renewable power in 2018. Wonder whether your state could ever be powered by 100 percent renewables? No matter where you live, scientist Mark Jacobson believes it's possible. That vision is laid out here , and while his analysis is not without critics , it punctuates a reality with which the world must now reckon. Even without climate change, fossil fuels are a finite resource, and if we want our lease on the planet to be renewed, our energy will have to be renewable.

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Related Resources

• ENVIRONMENT

Renewable energy, explained

Solar, wind, hydroelectric, biomass, and geothermal power can provide energy without the planet-warming effects of fossil fuels.

In any discussion about climate change , renewable energy usually tops the list of changes the world can implement to stave off the worst effects of rising temperatures. That's because renewable energy sources such as solar and wind don't emit carbon dioxide and other greenhouse gases that contribute to global warming .

Clean energy has far more to recommend it than just being "green." The growing sector creates jobs , makes electric grids more resilient, expands energy access in developing countries, and helps lower energy bills. All of those factors have contributed to a renewable energy renaissance in recent years, with wind and solar setting new records for electricity generation .

For the past 150 years or so, humans have relied heavily on coal, oil, and other fossil fuels to power everything from light bulbs to cars to factories. Fossil fuels are embedded in nearly everything we do, and as a result, the greenhouse gases released from the burning of those fuels have reached historically high levels .

As greenhouse gases trap heat in the atmosphere that would otherwise escape into space, average temperatures on the surface are rising . Global warming is one symptom of climate change, the term scientists now prefer to describe the complex shifts affecting our planet’s weather and climate systems. Climate change encompasses not only rising average temperatures but also extreme weather events, shifting wildlife populations and habitats, rising seas , and a range of other impacts .

Of course, renewables—like any source of energy—have their own trade-offs and associated debates. One of them centers on the definition of renewable energy. Strictly speaking, renewable energy is just what you might think: perpetually available, or as the U.S. Energy Information Administration puts it, " virtually inexhaustible ." But "renewable" doesn't necessarily mean sustainable, as opponents of corn-based ethanol or large hydropower dams often argue. It also doesn't encompass other low- or zero-emissions resources that have their own advocates, including energy efficiency and nuclear power.

Types of renewable energy sources

Hydropower: For centuries, people have harnessed the energy of river currents, using dams to control water flow. Hydropower is the world's biggest source of renewable energy by far, with China, Brazil, Canada, the U.S., and Russia the leading hydropower producers . While hydropower is theoretically a clean energy source replenished by rain and snow, it also has several drawbacks.

For Hungry Minds

Large dams can disrupt river ecosystems and surrounding communities , harming wildlife and displacing residents. Hydropower generation is vulnerable to silt buildup, which can compromise capacity and harm equipment. Drought can also cause problems. In the western U.S., carbon dioxide emissions over a 15-year period were 100 megatons higher than they normally would have been, according to a 2018 study , as utilities turned to coal and gas to replace hydropower lost to drought. Even hydropower at full capacity bears its own emissions problems, as decaying organic material in reservoirs releases methane.

Dams aren't the only way to use water for power: Tidal and wave energy projects around the world aim to capture the ocean's natural rhythms. Marine energy projects currently generate an estimated 500 megawatts of power —less than one percent of all renewables—but the potential is far greater. Programs like Scotland’s Saltire Prize have encouraged innovation in this area.

Wind: Harnessing the wind as a source of energy started more than 7,000 years ago . Now, electricity-generating wind turbines are proliferating around the globe, and China, the U.S., and Germany are the leading wind energy producers. From 2001 to 2017 , cumulative wind capacity around the world increased to more than 539,000 megawatts from 23,900 mw—more than 22 fold.

Some people may object to how wind turbines look on the horizon and to how they sound, but wind energy, whose prices are declining , is proving too valuable a resource to deny. While most wind power comes from onshore turbines, offshore projects are appearing too, with the most in the U.K. and Germany. The first U.S. offshore wind farm opened in 2016 in Rhode Island, and other offshore projects are gaining momentum . Another problem with wind turbines is that they’re a danger for birds and bats, killing hundreds of thousands annually , not as many as from glass collisions and other threats like habitat loss and invasive species, but enough that engineers are working on solutions to make them safer for flying wildlife.

You May Also Like

Can energy harnessed from Earth’s interior help power the world?

How the historic climate bill will dramatically reduce U.S. emissions

5 environmental victories from 2021 that offer hope

Solar: From home rooftops to utility-scale farms, solar power is reshaping energy markets around the world. In the decade from 2007 and 2017 the world's total installed energy capacity from photovoltaic panels increased a whopping 4,300 percent .

In addition to solar panels, which convert the sun's light to electricity, concentrating solar power (CSP) plants use mirrors to concentrate the sun's heat, deriving thermal energy instead. China, Japan, and the U.S. are leading the solar transformation, but solar still has a long way to go, accounting for around two percent of the total electricity generated in the U.S. in 2017. Solar thermal energy is also being used worldwide for hot water, heating, and cooling.

Biomass: Biomass energy includes biofuels such as ethanol and biodiesel , wood and wood waste, biogas from landfills, and municipal solid waste. Like solar power, biomass is a flexible energy source, able to fuel vehicles, heat buildings, and produce electricity. But biomass can raise thorny issues.

Critics of corn-based ethanol , for example, say it competes with the food market for corn and supports the same harmful agricultural practices that have led to toxic algae blooms and other environmental hazards. Similarly, debates have erupted over whether it's a good idea to ship wood pellets from U.S. forests over to Europe so that it can be burned for electricity. Meanwhile, scientists and companies are working on ways to more efficiently convert corn stover , wastewater sludge , and other biomass sources into energy, aiming to extract value from material that would otherwise go to waste.

Geothermal: Used for thousands of years in some countries for cooking and heating, geothermal energy is derived from the Earth’s internal heat . On a large scale, underground reservoirs of steam and hot water can be tapped through wells that can go a mile deep or more to generate electricity. On a smaller scale, some buildings have geothermal heat pumps that use temperature differences several feet below ground for heating and cooling. Unlike solar and wind energy, geothermal energy is always available, but it has side effects that need to be managed, such as the rotten egg smell that can accompany released hydrogen sulfide.

Ways to boost renewable energy

Cities, states, and federal governments around the world are instituting policies aimed at increasing renewable energy. At least 29 U.S. states have set renewable portfolio standards —policies that mandate a certain percentage of energy from renewable sources, More than 100 cities worldwide now boast at least 70 percent renewable energy, and still others are making commitments to reach 100 percent . Other policies that could encourage renewable energy growth include carbon pricing, fuel economy standards, and building efficiency standards. Corporations are making a difference too, purchasing record amounts of renewable power in 2018.

Wonder whether your state could ever be powered by 100 percent renewables? No matter where you live, scientist Mark Jacobson believes it's possible. That vision is laid out here , and while his analysis is not without critics , it punctuates a reality with which the world must now reckon. Even without climate change, fossil fuels are a finite resource, and if we want our lease on the planet to be renewed, our energy will have to be renewable.

Related Topics

• SUSTAINABILITY
• RENEWABLE ENERGY
• GEOTHERMAL ENERGY
• SOLAR POWER
• HYDROELECTRIC POWER
• CLIMATE CHANGE

Activists fear a new threat to biodiversity—renewable energy

How the Ukraine war is accelerating Germany's renewable energy transition

We took the Great American Road Trip—in electric cars

What’s at stake at COP26—the crucial global climate summit

Climate change goals and oil production are clashing in the U.S.

• Environment

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Introduction to Renewable Energy

Exploring our content.

Fast Facts View our summary of key facts and information. ( Printable PDF, 270 KB )

Before You Watch Our Lecture Maximize your learning experience by reviewing these carefully curated readings we assign to our students.

Our Lecture Watch the Stanford course lecture.

Additional Resources Find out where to explore beyond our site.

Fast Facts About Renewable Energy

Principle Energy Uses: Electricity, Heat Forms of Energy: Kinetic, Thermal, Radiant, Chemical

The term “renewable” encompasses a wide diversity of energy resources with varying economics, technologies, end uses, scales, environmental impacts, availability, and depletability. For example, fully “renewable” resources are not depleted by human use, whereas “semi-renewable” resources must be properly managed to ensure long-term availability. The most renewable type of energy is energy efficiency, which reduces overall consumption while providing the same energy service. Most renewable energy resources have significantly lower environmental and climate impacts than their fossil fuel counterparts.

The data in these Fast Facts do not reflect two important renewable energy resources: traditional biomass, which is widespread but difficult to measure; and energy efficiency, a critical strategy for reducing energy consumption while maintaining the same energy services and quality of life. See the Biomass and Energy Efficiency pages to learn more.

Significance

14% of world 🌎 9% of US 🇺🇸

Electricity Generation

30% of world 🌎 21% of US 🇺🇸

Global Renewable Energy Uses

Electricity 65% Heat 26% Transportation 9%

Global Consumption of Renewable Electricity Change

Increase: ⬆ 33% (2017 to 2022)

Energy Efficiency

Energy efficiency measures such as LED light bulbs reduce the need for energy in the first place

Renewable Resources

Wind Solar Ocean

Semi-Renewable Resources

Hydro Geothermal Biomass

Renewable Energy Has Vast Potential to Meet Global Energy Demand

Solar >1,000x global demand Wind ~3x global demand

Share of Global Energy Demand Met by Renewable Resources

Hydropower 7% Wind 3% Solar 2% Biomass <2%  

Share of Global Electricity Generation Met by Renewable Resources

Hydropower 15% Wind 7% Solar 5% Biomass & Geothermal <3%

Global Growth

Hydropower generation increase ⬆6% Wind generation increase ⬆84% Solar generation increase ⬆197% Biofuels consumption increase ⬆23% (2017-2022)

Largest Renewable Energy Producers

China 34% 🇨🇳 US 10% 🇺🇸 of global renewable energy

Highest Penetration of Renewable Energy

Norway 72% 🇳🇴 of the country’s primary energy is renewable

(China is at 16%, the US is at 11%)

Largest Renewable Electricity Producers

China 31% 🇨🇳 US 11% 🇺🇸 of global renewable electricity

Highest Penetration of Renewable Electricity

Albania, Bhutan, CAR, Lesotho, Nepal, & Iceland 100%

Iceland, Ethiopia, Paraguay, DRC, Norway, Costa Rica, Uganda, Namibia, Eswatini, Zambia, Tajikistan, & Sierra Leone > 90% of the country’s primary electricity is renewable

(China is at 31%, the US is at 22%)

Share of US Energy Demand Met by Renewable Resources

Biomass 5% Wind 2% Hydro 1% Solar 1%

Share of US Electricity Generation Met by Renewable Resources

Wind 10% Hydropower 6% Solar 3% Biomass 1%

US States That Produce the Most Renewable Electricity

Texas 21% California 11% of US renewable energy production

US States With Highest Penetration of Renewable Electricity

Vermont >99% South Dakota 84% Washington 76% Idaho 75% of state’s total generation comes from renewable fuels

Renewable Energy Expansion Policies

The Inflation Reduction Act continued tax credits for new renewable energy projects in the US.

Production Tax Credit (PTC)

Tax credit of $0.0275/kWh of electricity produced at qualifying renewable power generation sites

Investment Tax Credit (ITC)

Tax credit of 30% of the cost of a new qualifying renewable power generation site

To read more about the credit qualifications, visit this EPA site .

*LCOE (levelized cost of electricity) - price for which a unit of electricity must be sold for system to break even

Important Factors for Renewable Site Selection

• Resource availability
• Environmental constraints and sensitivities, including cultural and archeological sites
• Transmission infrastructure
• Power plant retirements
• Transmission congestion and prices
• Electricity markets
• Load growth driven by population and industry
• Policy support
• Land rights and permitting
• Competitive and declining costs of wind, solar, and energy storage
• Lower environmental and climate impacts (social costs) than fossil fuels
• Expansion of competitive wholesale electricity markets
• Governmental clean energy and climate targets and policies
• Corporate clean energy targets and procurement of renewable energy
• No fuel cost or fuel price volatility
• Retirements of old and/or expensive coal and nuclear power plants
• Most renewable resources are abundant, undepletable
• Permitting hurdles and NIMBY/BANANA* concerns
• Competition from subsidized fossil fuels and a lack of price for their social cost (e.g., price on carbon)
• Site-specific resources means greater need to transport energy/electricity to demand
• High initial capital expenditure requirements required to access fuel cost/operating savings
• Intermittent resources
• Inconsistent governmental incentives and subsidies
• Managing environmental impacts to the extent that they exist

*NIMBY - not in my backyard; BANANA - build absolutely nothing anywhere near anything

Climate Impact: Low to High

• Solar, wind, geothermal, and ocean have low climate impacts with near-zero emissions; hydro and biomass can have medium to high climate impact
• Hydro: Some locations have greenhouse gas emissions due to decomposing flooded vegetation
• Biomass: Some crops require significant energy inputs, land use change can release carbon dioxide and methane

Environmental Impact: Low to High

• Most renewable energy resources have low environmental impacts, particularly relative to fossil fuels; some, like biomass, can have more significant impacts
• No air pollution with the exception of biomass from certain feedstocks
• Can have land and habitat disruption for biomass production, solar, and hydro
• Potential wildlife impacts from wind turbines (birds and bats)
• Modest environmental impacts during manufacturing, transportation, and end of life

Updated January 2024

Before You Watch Our Lecture on Introduction to Renewable Energy

We assign videos and readings to our Stanford students as pre-work for each lecture to help contextualize the lecture content. We strongly encourage you to review the Essential reading below before watching our lecture on  Introduction to Renewable Energy . Include the Optional and Useful readings based on your interests and available time.

• The Sustainable Energy in America 2023 Factbook (Executive Summary pp. 5-11) . Bloomberg New Energy Finance. 2023. (7 pages) Provides valuable year-over-year data and insights on the American energy transformation.

Optional and Useful

• Renewables 2023 Global Status Report (Global Overview pp. 11-40) . REN21. 2023. (30 pages).  Documents the progress made in the renewable energy sector and highlights the opportunities afforded by a renewable-based economy and society.

Our Lecture on Introduction to Renewable Energy

This is our Stanford University Understand Energy course lecture that introduces renewable energy. We strongly encourage you to watch the full lecture to gain foundational knowledge about renewable energy and important context for learning more about specific renewable energy resources. For a complete learning experience, we also encourage you to review the Essential reading we assign to our students before watching the lecture.

Presented by: Kirsten Stasio , Adjunct Lecturer, Civil and Environmental Engineering, Stanford University; CEO, Nevada Clean Energy Fund (NCEF) Recorded on:  November 16, 2022   Duration: 52 minutes

Table of Contents

(Clicking on a timestamp will take you to YouTube.) 00:00 What Does "Renewable" Mean? 12:56 What Role Do Renewables Play In Our Energy Use? 20:29  What Factors Affect Renewable Energy Project Development? 52:13 Conclusion

Lecture slides available upon request .

Additional Resources About Renewable Energy

Stanford university.

• Precourt Institute for Energy Renewable Energy , Energy Efficiency
• Stanford Energy Club
• Energy Modeling Forum
• Sustainable Stanford
• Sustainable Finance Initiative
• Mark Jacobson - Renewable energy
• Michael Lepech - Life-cycle analysis
• Leonard Ortolano - Environmental and water resource planning
• Chris Field - Climate change, land use, bioenergy, solar energy
• David Lobell - Climate change, agriculture, biofuels, land use
• Sally Benson - Climate change, energy, carbon capture and storage

Government and International Organizations

• International Energy Agency (IEA) Renewables Renewables 2022 Repor .
• National Renewable Energy Laboratory (NREL)
• US Department of Energy (DOE) Office of Energy Efficiency & Renewable Energy (EERE)
• US Energy Information Administration (EIA) Renewable Energy Explained
• US Energy Information Administration (EIA) Energy Kids Renewable Energy
• US Energy Information Administration (EIA) Today in Energy Renewables

Non-Governmental Organizations (NGOs)

• Carnegie Institution for Science  Biosphere Sciences and Engineering
• The Solutions Project

Other Resources

• REN21: Renewable Energy Policy Network for the 21st Century
• REN21 Renewables 2023 Global Status Report Renewables in Energy Supply
• BloombergNEF (BNEF)
• Renewable Energy World
• World of Renewables
• Energy Upgrade California
• Windustry Community Wind Toolbox

Next Topic: Energy Efficiency Other Energy Topics to Explore

Fast Facts Sources

• Energy Mix (World 2022): Energy Institute. Statistical Review of World Energy . 2023.
• Energy Mix (US 2022): US Energy Information Agency (EIA). Total Energy: Energy Overview, Table 1.3 . 
• Electricity Mix (World 2022): Energy Institute. Statistical Review of World Energy . 2023.
• Electricity Mix (US 2022): US Energy Information Agency (EIA). Total Energy: Electricity, Table 7.2a.  
• Global Solar Use (2022): REN21. Renewables 2023 Global Status Report: Renewables in Energy Supply , page 42. 2023
• Global Consumption of Renewable Electricity Change (2017-2022): Energy Institute. Statistical Review of World Energy . 2023.
• Renewable Energy Potential: Perez & Perez. A Fundamental Look at Energy Reserves for the Planet . 2009
• Share of Global Energy Demand (2022): Energy Institute. Statistical Review of World Energy . 2023.
• Share of Global Electricity Demand (2022): Energy Institute. Statistical Review of World Energy . 2023.
• Global Growth (2017-2022): Energy Institute. Statistical Review of World Energy . 2023.
• Largest Renewable Energy Producers (World 2022): International Renewable Energy Agency (IRENA). Renewable Capacity Statistics 2023 . 2023.
• Highest Penetration Renewable Energy (World 2022): Our World in Data. Renewable Energy . 2023.
• Largest Renewable Electricity Producers (World 2022):   Energy Institute. Statistical Review of World Energy . 2023.
• Highest Penetration Renewable Electricity (World 2022): Our World in Data. Renewable Energy . 2023.
• Share of US Energy Demand (2022): Energy Information Administration (EIA). Electric Power Monthly. 2023.
• Share of Electricity Generation (2022): Energy Information Administration (EIA). Electric Power Monthly. 2023.
• States with Highest Generation (2022): Energy Information Administration (EIA). Electric Power Monthly. 2023.
• States with Highest Penetration (2021): Energy Information Administration (EIA). State Profile and Energy Estimates. 2023.
• LCOE of US Renewable Resources: Lazard. LCOE. April 2023.
• LCOE of US Non Renewable Resources: Lazard. LCOE. April 2023.

More details available on request . Back to Fast Facts

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• View all journals

Renewable energy articles from across Nature Portfolio

Renewable energy is energy that comes from sources that are readily replenishable on short-timescales. Examples of these are solar radiation, wind, and biomass.

Strengthen the connections

Achieving good electrical contact without damaging underlying layers is critical to the performance of photovoltaic modules. Research now reports a silver electrode embedded into a polymer matrix and a silver/chromium protection layer, enabling over 14%-efficient flexible organic photovoltaic modules with improved stability under illumination.

• Eul-Yong Shin
• Hae Jung Son

Ultralightweight perovskite solar cells for use in drones

Ultralightweight perovskite solar cells that achieve a specific power of up to 44 W g –1 and good stability are developed through engineering of the photoactive layer and substrate. These solar cells can be integrated into a drone to enable energy-autonomous flight.

Understanding entropic barriers

The activation barriers of interfacial energy conversion reactions are key to controlling the efficiency of electrolysers. Work on the structural dynamics of water during charge transfer at electrified solid/liquid interfaces now brings greater understanding of the components of the activation barriers for water dissociation and hydrogen evolution.

• Aleksandar R. Zeradjanin

Related Subjects

• Geothermal energy
• Hydroelectricity
• Hydrogen energy
• Solar energy
• Wind energy

Latest Research and Reviews

Effects of emissions caps on the costs and feasibility of low-carbon hydrogen in the European ammonia industry

Decarbonizing the European ammonia industry: Less stringent emissions caps for electrolytic hydrogen production can significantly reduce costs and land use while still achieving more than 90% reduction in emissions relative to fossil-based hydrogen.

• Stefano Mingolla
• Paolo Gabrielli
• Zhongming Lu

Magnetic integrated double-trap filter utilizing the mutual inductance for reducing current harmonics in high-speed railway traction inverters

• Maged Al-Barashi
• Yongjun Wang
• Muhammad Shoaib Bhutta

Control strategy for current limitation and maximum capacity utilization of grid connected PV inverter under unbalanced grid conditions

• Jyoti Joshi
• Vibhu Jately
• Brian Azzopardi

Novel risk index integrating practical operation limits enhances probabilistic contingency ranking for large-scale photovoltaic plant planning

• Rasha Elazab
• Mohamed K. El-Aser
• Adel A. El-samahy

Bridging materials innovations to sorption-based atmospheric water harvesting devices

Harvesting freshwater from the air using water sorption materials is an innovative strategy to address water scarcity. This Review offers a multiscale perspective to design the next generation of sorption-based atmospheric water harvesting technology by bridging materials innovations to device realization and provides practical guidelines to understand its real-world impact.

• Lenan Zhang
• Evelyn N. Wang

Synergistic catalytic mechanism of red mud in the co-gasification of spirit-based distillers’ grains and sewage sludge

• Junliang Wang

News and Comment

Getting a charge out of perovskites.

• Giulia Tregnago

Patterned membranes

• James Gallagher

2D materials for durable and sustainable electric vehicles

The increasing popularity of electric vehicles as an alternative to internal combustion engine vehicles brings new realities, challenges and opportunities for scientists and engineers. A key element of this transition will be to develop solutions for lubrication, thermal management, electrical compatibility and corrosion inhibition. Two-dimensional materials are well poised to address these challenges and enhance the performance, efficiency, durability and, hence, sustainability of electric vehicles during this century and beyond.

• Diana Berman
• Leonardo Israel Farfan-Cabrera
• Ali Erdemir

Quick links

• Explore articles by subject
• Guide to authors
• Editorial policies

This Is the Future: Essay on Renewable Energy

Today the world population depends on nonrenewable energy resources. With the constantly growing demand for energy, natural gas, coal, and oil get used up and cannot replenish themselves. 

Aside from limited supply, heavy reliance on fossil fuels causes planetary-scale damage. Sea levels are rising. Heat-trapping carbon dioxide increased the warming effect by 45% from 1990 to 2019. The only way to tackle the crisis is to start the transition to renewable energy now. 

What is renewable energy? It is energy that comes from replenishable natural resources like sunlight, wind, thermal energy, moving water, and organic materials. Renewable resources do not run out. They are cost-efficient and renew faster than they are consumed. How does renewable energy save money? It creates new jobs, supports economic growth, and decreases inequitable fossil fuel subsidies. 

At the current rates of production, some fossil fuels will not even last another century. This is why the future depends on reliable and eco-friendly resources. This renewable energy essay examines the types and benefits of renewable energy and its role in creating a sustainable future.

Top 5 Types of Renewable Energy: The Apollo Alliance Rankings

There are many natural resources that can provide people with clean energy. To make a list of the five most booming types of renewable energy on the market today, this energy essay uses data gathered by the Apollo Alliance. It is a project that aims to revolutionize the energy sector of the US with a focus on clean energy. 

The Apollo Alliance unites businesses, community leaders, and environmental experts to support the transition to more sustainable and efficient living. Their expert opinion helped to compile information about the most common and cost-competitive sources of renewable energy. However, if you want to get some more in-depth research, you can entrust it to an essay writer . Here’s a quick overview of renewable energy resources that have a huge potential to substitute fossil fuels. 

Solar Renewable Energy

The most abundant and practically endless resource is solar energy. It can be turned into electricity by photovoltaic systems that convert radiant energy captured from sunlight. Solar farms could generate enough energy for thousands of homes.

An endless supply is the main benefit of solar energy. The rate at which the Earth receives it is 10,000 times greater than people can consume it, as a paper writer points out based on their analysis of research findings. It can substitute fossil fuels and deliver people electricity, hot water, cooling, heat, etc. 

The upfront investment in solar systems is rather expensive. This is one of the primary limitations that prevent businesses and households from switching to this energy source at once. However, the conclusion of solar energy is still favorable. In the long run, it can significantly decrease energy costs. Besides, solar panels are gradually becoming more affordable to manufacture and adopt, even at an individual level. 

Wind Renewable Energy

Another clean energy source is wind. Wind farms use the kinetic energy of wind flow to convert it into electricity. The Appolo Alliance notes that, unlike solar farms, they can’t be placed in any location. To stay cost-competitive, wind farms should operate in windy areas. Although not all countries have the right conditions to use them on a large scale, wind farms might be introduced for some energy diversity. The technical potential for it is still tremendous. 

Wind energy is clean and safe for the environment. It does not pollute the atmosphere with any harmful products compared to nonrenewable energy resources. 

The investment in wind energy is also economically wise. If you examine the cost of this energy resource in an essay on renewable resources, you’ll see that wind farms can deliver electricity at a price lower than nonrenewable resources. Besides, since wind isn’t limited, its cost won’t be influenced by the imbalance of supply and demand.

Geothermal Renewable Energy

Natural renewable resources are all around us, even beneath the ground. Geothermal energy can be produced from the thermal energy from the Earth’s interior. Sometimes heat reaches the surface naturally, for example, in the form of geysers. But it can also be used by geothermal power plants. The Earth’s heat gets captured and converted to steam that turns a turbine. As a result, we get geothermal energy.

This source provides a significant energy supply while having low emissions and no significant footprint on land. A factsheet and essay on renewable resources state that geothermal plants will increase electricity production from 17 billion kWh in 2020 to 49.8 billion kWh in 2050.

However, this method is not without limitations. While writing a renewable resources essay, consider that geothermal energy can be accessed only in certain regions. Geological hotspots are off-limits as they are vulnerable to earthquakes. Yet, the quantity of geothermal resources is likely to grow as technology advances. 

Ocean Renewable Energy

The kinetic and thermal energy of the ocean is a robust resource. Ocean power systems rely on:

• Changes in sea level;
• Wave energy;
• Water surface temperatures;
• The energy released from seawater and freshwater mixing.

Ocean energy is more predictable compared to other resources. As estimated by EPRI, it has the potential to produce 2640 TWh/yr. However, an important point to consider in a renewable energy essay is that the kinetic energy of the ocean varies. Yet, since it is ruled by the moon’s gravity, the resource is plentiful and continues to be attractive for the energy industry. 

Wave energy systems are still developing. The Apollo energy corporation explores many prototypes. It is looking for the most reliable and robust solution that can function in the harsh ocean environment. 

Another limitation of ocean renewable energy is that it may cause disruptions to marine life. Although its emissions are minimal, the system requires large equipment to be installed in the ocean. 

Biomass Renewable Energy

Organic materials like wood and charcoal have been used for heating and lighting for centuries. There are a lot more types of biomass: from trees, cereal straws, and grass to processed waste. All of them can produce bioenergy. 

Biomass can be converted into energy through burning or using methane produced during the natural process of decomposition. In an essay on renewable sources of energy, the opponents of the method point out that biomass energy is associated with carbon dioxide emissions. Yet, the amount of released greenhouse gases is much lower compared to nonrenewable energy use. 

While biomass is a reliable source of energy, it is only suitable for limited applications. If used too extensively, it might lead to disruptions in biodiversity, a negative impact on land use, and deforestation. Still, Apollo energy includes biomass resources that become waste and decompose quickly anyway. These are organic materials like sawdust, chips from sawmills, stems, nut shells, etc. 

What Is the Apollo Alliance?

The Apollo Alliance is a coalition of business leaders, environmental organizations, labor unions, and foundations. They all unite their efforts in a single project to harness clean energy in new, innovative ways. 

Why Apollo? Similarly to President John F. Kennedy’s Apollo Project, Apollo energy is a strong visionary initiative. It is a dare, a challenge. The alliance calls for the integrity of science, research, technology, and the public to revolutionize the energy industry.

The project has a profound message. Apollo energy solutions are not only about the environment or energy. They are about building a new economy. The alliance gives hope to building a secure future for Americans. 

What is the mission of the Apollo Alliance? 

• Achieve energy independence with efficient and limitless resources of renewable energy.
• Pioneer innovation in the energy sector.
• Build education campaigns and communication to inspire new perceptions of energy. 
• Create new jobs.
• Reduce dependence on imported fossil fuels. 
• Build healthier and happier communities. 

The transformation of the industry will lead to planet-scale changes. The Apollo energy corporation can respond to the global environmental crisis and prevent climate change. 

Apollo renewable energy also has the potential to become a catalyst for social change. With more affordable energy and new jobs in the industry, people can bridge the inequality divide and build stronger communities. 

Why Renewable Energy Is Important for the Future

Renewable energy resources have an enormous potential to cover people’s energy needs on a global scale. Unlike fossil fuels, they are available in abundance and generate minimal to no emissions. 

The burning of fossil fuels caused a lot of environmental problems—from carbon dioxide emissions to ocean acidification. Research this issue in more detail with academic assistance from essay writer online . You can use it to write an essay on renewable sources of energy to explain the importance of change and its global impact. 

Despite all the damage people caused to the planet, there’s still hope to mitigate further repercussions. Every renewable energy essay adds to the existing body of knowledge we have today and advances research in the field. Here are the key advantages and disadvantages of alternative energy resources people should keep in mind. 

Advantage of Green Energy

The use of renewable energy resources has a number of benefits for the climate, human well-being, and economy:

• Renewable energy resources have little to no greenhouse gas emissions. Even if we take into account the manufacturing and recycling of the technologies involved, their impact on the environment is significantly lower compared to fossil fuels. 
• Renewable energy promotes self-sufficiency and reduces a country’s dependence on foreign fuel. According to a study, a 1% increase in the use of renewable energy increases economic growth by 0.21%. This gives socio-economic stability.
• Due to a lack of supply of fossil fuels and quick depletion of natural resources, prices for nonrenewable energy keep increasing. In contrast, green energy is limitless and can be produced locally. In the long run, this allows decreasing the cost of energy. 
• Unlike fossil fuels, renewable energy doesn’t emit air pollutants. This positively influences health and quality of life. 
• The emergence of green energy plants creates new jobs. Thus, Apollo energy solutions support the growth of local communities. By 2030, the transition to renewable energy is expected to generate 10.3 million new jobs. 
• Renewable energy allows decentralization of the industry. Communities get their independent sources of energy that are more flexible in terms of distribution. 
• Renewable energy supports equality. It has the potential to make energy more affordable to low-income countries and expand access to energy even in remote and less fortunate neighborhoods. 

Disadvantages of Non-Conventional Energy Sources

No technology is perfect. Renewable energy resources have certain drawbacks too: 

• The production of renewable energy depends on weather conditions. For example, wind farms could be effective only in certain locations where the weather conditions allow it. The weather also makes it so that renewable energy cannot be generated around the clock. 
• The initial cost of renewable energy technology is expensive. Both manufacturing and installation require significant investment. This is another disadvantage of renewable resources. It makes them unaffordable to a lot of businesses and unavailable for widespread individual use. In addition, the return on investment might not be immediate.
• Renewable energy technology takes up a lot of space. It may affect life in the communities where these clean energy farms are installed. They may also cause disruptions to wildlife in the areas. 
• One more limitation a renewable resources essay should consider is the current state of technology. While the potential of renewable energy resources is tremendous, the technology is still in its development phase. Therefore, renewable energy might not substitute fossil fuels overnight. There’s a need for more research, investment, and time to transition to renewable energy completely. Yet, some diversity of energy resources should be introduced as soon as possible. 
• Renewable energy resources have limited emissions, but they are not entirely pollution-free. The manufacturing process of equipment is associated with greenhouse gas emissions while, for example, the lifespan of a wind turbine is only 20 years. 

For high school seniors eyeing a future rich with innovative endeavors in renewable energy or other fields, it's crucial to seek financial support early on. Explore the top 10 scholarships for high school seniors to find the right fit that can propel you into a future where you can contribute to the renewable energy movement and beyond. Through such financial support, the road to making meaningful contributions to a sustainable future becomes a tangible reality.

Renewable energy unlocks the potential for humanity to have clean energy that is available in abundance. It leads us to economic growth, independence, and stability. With green energy, we can also reduce the impact of human activity on the environment and stop climate change before it’s too late. 

So what’s the conclusion of renewable energy? Transitioning to renewable energy resources might be challenging and expensive. However, most experts agree that the advantages of green energy outweigh any drawbacks. Besides, since technology is continuously evolving, we’ll be able to overcome most limitations in no time.

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What is renewable energy?

Renewable energy is energy derived from natural sources that are replenished at a higher rate than they are consumed. Sunlight and wind, for example, are such sources that are constantly being replenished. Renewable energy sources are plentiful and all around us.

Fossil fuels - coal, oil and gas - on the other hand, are non-renewable resources that take hundreds of millions of years to form. Fossil fuels, when burned to produce energy, cause harmful greenhouse gas emissions, such as carbon dioxide.

Generating renewable energy creates far lower emissions than burning fossil fuels. Transitioning from fossil fuels, which currently account for the lion’s share of emissions, to renewable energy is key to addressing the climate crisis.

Renewables are now cheaper in most countries, and generate three times more jobs than fossil fuels.

Here are a few common sources of renewable energy:

SOLAR ENERGY

Solar energy is the most abundant of all energy resources and can even be harnessed in cloudy weather. The rate at which solar energy is intercepted by the Earth is about 10,000 times greater than the rate at which humankind consumes energy.

Solar technologies can deliver heat, cooling, natural lighting, electricity, and fuels for a host of applications. Solar technologies convert sunlight into electrical energy either through photovoltaic panels or through mirrors that concentrate solar radiation.

Although not all countries are equally endowed with solar energy, a significant contribution to the energy mix from direct solar energy is possible for every country.

The cost of manufacturing solar panels has plummeted dramatically in the last decade, making them not only affordable but often the cheapest form of electricity. Solar panels have a lifespan of roughly 30 years , and come in variety of shades depending on the type of material used in manufacturing.

WIND ENERGY

Wind energy harnesses the kinetic energy of moving air by using large wind turbines located on land (onshore) or in sea- or freshwater (offshore). Wind energy has been used for millennia, but onshore and offshore wind energy technologies have evolved over the last few years to maximize the electricity produced - with taller turbines and larger rotor diameters.

Though average wind speeds vary considerably by location, the world’s technical potential for wind energy exceeds global electricity production, and ample potential exists in most regions of the world to enable significant wind energy deployment.

Many parts of the world have strong wind speeds, but the best locations for generating wind power are sometimes remote ones. Offshore wind power offers t remendous potential .

GEOTHERMAL ENERGY

Geothermal energy utilizes the accessible thermal energy from the Earth’s interior. Heat is extracted from geothermal reservoirs using wells or other means.

Reservoirs that are naturally sufficiently hot and permeable are called hydrothermal reservoirs, whereas reservoirs that are sufficiently hot but that are improved with hydraulic stimulation are called enhanced geothermal systems.

Once at the surface, fluids of various temperatures can be used to generate electricity. The technology for electricity generation from hydrothermal reservoirs is mature and reliable, and has been operating for more than 100 years .

Hydropower harnesses the energy of water moving from higher to lower elevations. It can be generated from reservoirs and rivers. Reservoir hydropower plants rely on stored water in a reservoir, while run-of-river hydropower plants harness energy from the available flow of the river.

Hydropower reservoirs often have multiple uses - providing drinking water, water for irrigation, flood and drought control, navigation services, as well as energy supply.

Hydropower currently is the largest source of renewable energy in the electricity sector. It relies on generally stable rainfall patterns, and can be negatively impacted by climate-induced droughts or changes to ecosystems which impact rainfall patterns.

The infrastructure needed to create hydropower can also impact on ecosystems in adverse ways. For this reason, many consider small-scale hydro a more environmentally-friendly option , and especially suitable for communities in remote locations.

OCEAN ENERGY

Ocean energy derives from technologies that use the kinetic and thermal energy of seawater - waves or currents for instance -  to produce electricity or heat.

Ocean energy systems are still at an early stage of development, with a number of prototype wave and tidal current devices being explored. The theoretical potential for ocean energy easily exceeds present human energy requirements.

Bioenergy is produced from a variety of organic materials, called biomass, such as wood, charcoal, dung and other manures for heat and power production, and agricultural crops for liquid biofuels. Most biomass is used in rural areas for cooking, lighting and space heating, generally by poorer populations in developing countries.

Modern biomass systems include dedicated crops or trees, residues from agriculture and forestry, and various organic waste streams.

Energy created by burning biomass creates greenhouse gas emissions, but at lower levels than burning fossil fuels like coal, oil or gas. However, bioenergy should only be used in limited applications, given potential negative environmental impacts related to large-scale increases in forest and bioenergy plantations, and resulting deforestation and land-use change.

For more information on renewable sources of energy, please check out the following websites:

International Renewable Energy Agency | Renewables

International Energy Agency | Renewables

Intergovernmental Panel on Climate Change | Renewable Sources of Energy

UN Environment Programme | Roadmap to a Carbon-Free Future

Sustainable Energy for All | Renewable Energy

Renewable energy – powering a safer future

What is renewable energy and why does it matter? Learn more about why the shift to renewables is our only hope for a brighter and safer world.

Five ways to jump-start the renewable energy transition now

UN Secretary-General outlines five critical actions the world needs to prioritize now to speed up the global shift to renewable energy.

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Learn more about how climate change impacts are felt across different sectors and ecosystems, and why we must nurture rather than exploit nature’s resources to advance climate action.

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Clean energy

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• What is renewable energy
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Adapting to climate change

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Financing climate action

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• $100 billion commitment
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Sustainable Development with Renewable Energy

The 10th International Conference on Energy and Environment Research—ICEER 2023

• Conference proceedings
• © 2024
• Nídia S. Caetano 0

Departamento de Engenharia Química, Instituto Superior de Engenharia do Porto, Porto, Portugal

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• Addresses energy decarbonization
• Discusses how and why renewable energy can be more sustainable
• Includes case studies relevant to renewable energy production systems

Part of the book series: Environmental Science and Engineering (ESE)

Included in the following conference series:

• ICEER: International Conference on Energy and Environment Research

Conference proceedings info: ICEER 2023.

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Table of contents (38 papers)

Front matter.

• Renewable Energy

Agrivoltaic System Development Barriers from European Legislative Framework Perspective

Approach to short-term planning of the development of distribution electrical networks.

• Stefka Nedelcheva, Petya Tsvetkova

Influence of the Neutral Grounding Mode on the Reliability of Actively Adaptive Electric Grids

• Hristo Ilchev

Technical Feasibility and Optimization of Photovoltaic Solar Panels in the Central Area of Peru

• Kattia Eliana Melgar Dionicio, Cesar Augusto Ravines Salazar, Anieval Peña-Rojas, Frans Carhuamaca Castro, Geraldine Yupanqui Fernandez

Gasification of Animal Fat Using Dolomite as Particle Bed in a Downdraft Fixed Bed Reactor

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About this book

This proceedings book contains the full papers of the 10th edition of the International Conference on Energy and Environment Research, ICEER 2023, that took place in Madrid, Spain during October 7–9, 2023. ICEER 2023 is a joint organization of the School of Engineering (ISEP) of the Polytechnic of Porto (P.Porto) and the SCIEI, with collaboration of the Dipartimento di Ingegneria of the Università degli studi "Roma Tre", CIETI and LEPABE research groups. This book includes all the well prepared full papers presented at ICEER 2023.

Editors and Affiliations

Nídia S. Caetano

About the editor

She was the Sub-Director of the Chemical Engineering Department of ISEP for the Infrastructures and Facilities (2014-2016), Course Director of the MSc in Sustainable Energies of the Mechanical Engineering Department of ISEP (March 2013 to June 2018) and Sub-Director of the same MSc (September 2010 to March 2013 and June2018 to June 2022).

Nídia Caetano was the Advisor of the President of ISEP for Environment/Sustainability (2007 to 2018); Vice-President of APESB (Portuguese Association of Sanitary and Environmental Engineering) from 2019-2020 and from 2022; President of the Fiscal Board of the OERN (Order of the Engineers the Northern Region) from 2022.

Nídia Caetano is External Researcher with LEPABE – Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal, and ALiCE – Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal, and Collaborator at CIETI/ISEP/P.Porto. She funded and is the Coordinator of the Microalgae research laboratory of ISEP in 2008. She was the supervisor of several post-doctoral researchers, PhD and Master students. She has intense activity as project evaluator of national and international agencies.

Nídia Caetano is Associate Editor for Biomass of Renewable Energy (Elsevier), Member of the Editorial Advisory Board of  Algal Research (Elsevier), Review Editor in Sustainable Energy Systems and Policies (Frontiers) and Member of the Editorial Board of Green Technology, Resilience, and Sustainability (Springer). She Guest Edited 20 Special Issues in several international journals (Elsevier, Frontiers, Springer, MDPI), and Guest Edited one book of the Environmental Science and Engineering book series (Springer) has authored or co-authored +250 conference and journal papers with peer review, 20 book chapters, and was the Keynote Speaker or Invited Lecturer of several international conferences.

She has organized and been the conference or program chair of international conferences (ICEER series, from 2016, TEEM, JTIR, ISWA/APESB Beacon conference in Luanda and in Lobito, among others).

Bibliographic Information

Book Title : Sustainable Development with Renewable Energy

Book Subtitle : The 10th International Conference on Energy and Environment Research—ICEER 2023

Editors : Nídia S. Caetano

Series Title : Environmental Science and Engineering

DOI : https://doi.org/10.1007/978-3-031-54394-4

Publisher : Springer Cham

eBook Packages : Engineering , Engineering (R0)

Copyright Information : The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2024

Hardcover ISBN : 978-3-031-54393-7 Published: 30 April 2024

Softcover ISBN : 978-3-031-54396-8 Due: 31 May 2024

eBook ISBN : 978-3-031-54394-4 Published: 29 April 2024

Series ISSN : 1863-5520

Series E-ISSN : 1863-5539

Edition Number : 1

Number of Pages : XXXIV, 498

Number of Illustrations : 33 b/w illustrations, 158 illustrations in colour

Topics : Mechanical Engineering , Industrial Chemistry/Chemical Engineering

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• Published: 07 January 2020

Renewable energy for sustainable development in India: current status, future prospects, challenges, employment, and investment opportunities

• Charles Rajesh Kumar. J   ORCID: orcid.org/0000-0003-2354-6463 1 &
• M. A. Majid 1  

Energy, Sustainability and Society volume  10 , Article number:  2 ( 2020 ) Cite this article

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The primary objective for deploying renewable energy in India is to advance economic development, improve energy security, improve access to energy, and mitigate climate change. Sustainable development is possible by use of sustainable energy and by ensuring access to affordable, reliable, sustainable, and modern energy for citizens. Strong government support and the increasingly opportune economic situation have pushed India to be one of the top leaders in the world’s most attractive renewable energy markets. The government has designed policies, programs, and a liberal environment to attract foreign investments to ramp up the country in the renewable energy market at a rapid rate. It is anticipated that the renewable energy sector can create a large number of domestic jobs over the following years. This paper aims to present significant achievements, prospects, projections, generation of electricity, as well as challenges and investment and employment opportunities due to the development of renewable energy in India. In this review, we have identified the various obstacles faced by the renewable sector. The recommendations based on the review outcomes will provide useful information for policymakers, innovators, project developers, investors, industries, associated stakeholders and departments, researchers, and scientists.

Introduction

The sources of electricity production such as coal, oil, and natural gas have contributed to one-third of global greenhouse gas emissions. It is essential to raise the standard of living by providing cleaner and more reliable electricity [ 1 ]. India has an increasing energy demand to fulfill the economic development plans that are being implemented. The provision of increasing quanta of energy is a vital pre-requisite for the economic growth of a country [ 2 ]. The National Electricity Plan [NEP] [ 3 ] framed by the Ministry of Power (MoP) has developed a 10-year detailed action plan with the objective to provide electricity across the country, and has prepared a further plan to ensure that power is supplied to the citizens efficiently and at a reasonable cost. According to the World Resource Institute Report 2017 [ 4 , 5 ], India is responsible for nearly 6.65% of total global carbon emissions, ranked fourth next to China (26.83%), the USA (14.36%), and the EU (9.66%). Climate change might also change the ecological balance in the world. Intended Nationally Determined Contributions (INDCs) have been submitted to the United Nations Framework Convention on Climate Change (UNFCCC) and the Paris Agreement. The latter has hoped to achieve the goal of limiting the rise in global temperature to well below 2 °C [ 6 , 7 ]. According to a World Energy Council [ 8 ] prediction, global electricity demand will peak in 2030. India is one of the largest coal consumers in the world and imports costly fossil fuel [ 8 ]. Close to 74% of the energy demand is supplied by coal and oil. According to a report from the Center for monitoring Indian economy, the country imported 171 million tons of coal in 2013–2014, 215 million tons in 2014–2015, 207 million tons in 2015–2016, 195 million tons in 2016–2017, and 213 million tons in 2017–2018 [ 9 ]. Therefore, there is an urgent need to find alternate sources for generating electricity.

In this way, the country will have a rapid and global transition to renewable energy technologies to achieve sustainable growth and avoid catastrophic climate change. Renewable energy sources play a vital role in securing sustainable energy with lower emissions [ 10 ]. It is already accepted that renewable energy technologies might significantly cover the electricity demand and reduce emissions. In recent years, the country has developed a sustainable path for its energy supply. Awareness of saving energy has been promoted among citizens to increase the use of solar, wind, biomass, waste, and hydropower energies. It is evident that clean energy is less harmful and often cheaper. India is aiming to attain 175 GW of renewable energy which would consist of 100 GW from solar energy, 10 GW from bio-power, 60 GW from wind power, and 5 GW from small hydropower plants by the year 2022 [ 11 ]. Investors have promised to achieve more than 270 GW, which is significantly above the ambitious targets. The promises are as follows: 58 GW by foreign companies, 191 GW by private companies, 18 GW by private sectors, and 5 GW by the Indian Railways [ 12 ]. Recent estimates show that in 2047, solar potential will be more than 750 GW and wind potential will be 410 GW [ 13 , 14 ]. To reach the ambitious targets of generating 175 GW of renewable energy by 2022, it is essential that the government creates 330,000 new jobs and livelihood opportunities [ 15 , 16 ].

A mixture of push policies and pull mechanisms, accompanied by particular strategies should promote the development of renewable energy technologies. Advancement in technology, proper regulatory policies [ 17 ], tax deduction, and attempts in efficiency enhancement due to research and development (R&D) [ 18 ] are some of the pathways to conservation of energy and environment that should guarantee that renewable resource bases are used in a cost-effective and quick manner. Hence, strategies to promote investment opportunities in the renewable energy sector along with jobs for the unskilled workers, technicians, and contractors are discussed. This article also manifests technological and financial initiatives [ 19 ], policy and regulatory framework, as well as training and educational initiatives [ 20 , 21 ] launched by the government for the growth and development of renewable energy sources. The development of renewable technology has encountered explicit obstacles, and thus, there is a need to discuss these barriers. Additionally, it is also vital to discover possible solutions to overcome these barriers, and hence, proper recommendations have been suggested for the steady growth of renewable power [ 22 , 23 , 24 ]. Given the enormous potential of renewables in the country, coherent policy measures and an investor-friendly administration might be the key drivers for India to become a global leader in clean and green energy.

Projection of global primary energy consumption

An energy source is a necessary element of socio-economic development. The increasing economic growth of developing nations in the last decades has caused an accelerated increase in energy consumption. This trend is anticipated to grow [ 25 ]. A prediction of future power consumption is essential for the investigation of adequate environmental and economic policies [ 26 ]. Likewise, an outlook to future power consumption helps to determine future investments in renewable energy. Energy supply and security have not only increased the essential issues for the development of human society but also for their global political and economic patterns [ 27 ]. Hence, international comparisons are helpful to identify past, present, and future power consumption.

Table 1 shows the primary energy consumption of the world, based on the BP Energy Outlook 2018 reports. In 2016, India’s overall energy consumption was 724 million tons of oil equivalent (Mtoe) and is expected to rise to 1921 Mtoe by 2040 with an average growth rate of 4.2% per annum. Energy consumption of various major countries comprises commercially traded fuels and modern renewables used to produce power. In 2016, India was the fourth largest energy consumer in the world after China, the USA, and the Organization for economic co-operation and development (OECD) in Europe [ 29 ].

The projected estimation of global energy consumption demonstrates that energy consumption in India is continuously increasing and retains its position even in 2035/2040 [ 28 ]. The increase in India’s energy consumption will push the country’s share of global energy demand to 11% by 2040 from 5% in 2016. Emerging economies such as China, India, or Brazil have experienced a process of rapid industrialization, have increased their share in the global economy, and are exporting enormous volumes of manufactured products to developed countries. This shift of economic activities among nations has also had consequences concerning the country’s energy use [ 30 ].

Projected primary energy consumption in India

The size and growth of a country’s population significantly affects the demand for energy. With 1.368 billion citizens, India is ranked second, of the most populous countries as of January 2019 [ 31 ]. The yearly growth rate is 1.18% and represents almost 17.74% of the world’s population. The country is expected to have more than 1.383 billion, 1.512 billion, 1.605 billion, 1.658 billion people by the end of 2020, 2030, 2040, and 2050, respectively. Each year, India adds a higher number of people to the world than any other nation and the specific population of some of the states in India is equal to the population of many countries.

The growth of India’s energy consumption will be the fastest among all significant economies by 2040, with coal meeting most of this demand followed by renewable energy. Renewables became the second most significant source of domestic power production, overtaking gas and then oil, by 2020. The demand for renewables in India will have a tremendous growth of 256 Mtoe in 2040 from 17 Mtoe in 2016, with an annual increase of 12%, as shown in Table 2 .

Table 3 shows the primary energy consumption of renewables for the BRIC countries (Brazil, Russia, India, and China) from 2016 to 2040. India consumed around 17 Mtoe of renewable energy in 2016, and this will be 256 Mtoe in 2040. It is probable that India’s energy consumption will grow fastest among all major economies by 2040, with coal contributing most in meeting this demand followed by renewables. The percentage share of renewable consumption in 2016 was 2% and is predicted to increase by 13% by 2040.

How renewable energy sources contribute to the energy demand in India

Even though India has achieved a fast and remarkable economic growth, energy is still scarce. Strong economic growth in India is escalating the demand for energy, and more energy sources are required to cover this demand. At the same time, due to the increasing population and environmental deterioration, the country faces the challenge of sustainable development. The gap between demand and supply of power is expected to rise in the future [ 32 ]. Table 4 presents the power supply status of the country from 2009–2010 to 2018–2019 (until October 2018). In 2018, the energy demand was 1,212,134 GWh, and the availability was 1,203,567 GWh, i.e., a deficit of − 0.7% [ 33 ].

According to the Load generation and Balance Report (2016–2017) of the Central Electricity Authority of India (CEA), the electrical energy demand for 2021–2022 is anticipated to be at least 1915 terawatt hours (TWh), with a peak electric demand of 298 GW [ 34 ]. Increasing urbanization and rising income levels are responsible for an increased demand for electrical appliances, i.e., an increased demand for electricity in the residential sector. The increased demand in materials for buildings, transportation, capital goods, and infrastructure is driving the industrial demand for electricity. An increased mechanization and the shift to groundwater irrigation across the country is pushing the pumping and tractor demand in the agriculture sector, and hence the large diesel and electricity demand. The penetration of electric vehicles and the fuel switch to electric and induction cook stoves will drive the electricity demand in the other sectors shown in Table 5 .

According to the International Renewable Energy Agency (IRENA), a quarter of India’s energy demand can be met with renewable energy. The country could potentially increase its share of renewable power generation to over one-third by 2030 [ 35 ].

Table 6 presents the estimated contribution of renewable energy sources to the total energy demand. MoP along with CEA in its draft national electricity plan for 2016 anticipated that with 175 GW of installed capacity of renewable power by 2022, the expected electricity generation would be 327 billion units (BUs), which would contribute to 1611 BU energy requirements. This indicates that 20.3% of the energy requirements would be fulfilled by renewable energy by 2022 and 24.2% by 2027 [ 36 ]. Figure 1 shows the ambitious new target for the share of renewable energy in India’s electricity consumption set by MoP. As per the order of revised RPO (Renewable Purchase Obligations, legal act of June 2018), the country has a target of a 21% share of renewable energy in its total electricity consumption by March 2022. In 2014, the same goal was at 15% and increased to 21% by 2018. It is India’s goal to reach 40% renewable sources by 2030.

Target share of renewable energy in India’s power consumption

Estimated renewable energy potential in India

The estimated potential of wind power in the country during 1995 [ 37 ] was found to be 20,000 MW (20 GW), solar energy was 5 × 10 15 kWh/pa, bioenergy was 17,000 MW, bagasse cogeneration was 8000 MW, and small hydropower was 10,000 MW. For 2006, the renewable potential was estimated as 85,000 MW with wind 4500 MW, solar 35 MW, biomass/bioenergy 25,000 MW, and small hydropower of 15,000 MW [ 38 ]. According to the annual report of the Ministry of New and Renewable Energy (MNRE) for 2017–2018, the estimated potential of wind power was 302.251 GW (at 100-m mast height), of small hydropower 19.749 GW, biomass power 17.536 GW, bagasse cogeneration 5 GW, waste to energy (WTE) 2.554 GW, and solar 748.990 GW. The estimated total renewable potential amounted to 1096.080 GW [ 39 ] assuming 3% wasteland, which is shown in Table 7 . India is a tropical country and receives significant radiation, and hence the solar potential is very high [ 40 , 41 , 42 ].

Gross installed capacity of renewable energy in India

As of June 2018 reports, the country intends to reach 225 GW of renewable power capacity by 2022 exceeding the target of 175 GW pledged during the Paris Agreement. The sector is the fourth most attractive renewable energy market in the world. As in October 2018, India ranked fifth in installed renewable energy capacity [ 43 ].

Gross installed capacity of renewable energy—according to region

Table 8 lists the cumulative installed capacity of both conventional and renewable energy sources. The cumulative installed capacity of renewable sources as on the 31 st of December 2018 was 74081.66 MW. Renewable energy (small hydropower, wind, biomass, WTE, solar) accounted for an approximate 21% share of the cumulative installed power capacity, and the remaining 78.791% originated from other conventional sources (coal, gas diesel, nuclear, and large hydropower) [ 44 ]. The best regions for renewable energy are the southern states that have the highest solar irradiance and wind in the country. When renewable energy alone is considered for analysis, the Southern region covers 49.121% of the cumulative installed renewable capacity, followed by the Western region (29.742%), the Northern region (18.890%), the Eastern region (1.836%), the North-Easter region 0.394%, and the Islands (0.017%). As far as conventional energy is concerned, the Western region with 33.452% ranks first and is followed by the Northern region with 28.484%, the Southern region (24.967%), the Eastern region (11.716%), the Northern-Eastern (1.366%), and the Islands (0.015%).

Gross installed capacity of renewable energy—according to ownership

State government, central government, and private players drive the Indian energy sector. The private sector leads the way in renewable energy investment. Table 9 shows the installed gross renewable energy and conventional energy capacity (percentage)—ownership wise. It is evident from Fig. 2 that 95% of the installed renewable capacity derives from private companies, 2% from the central government, and 3% from the state government. The top private companies in the field of non-conventional energy generation are Tata Power Solar, Suzlon, and ReNew Power. Tata Power Solar System Limited are the most significant integrated solar power players in the country, Suzlon realizes wind energy projects, and ReNew Power Ventures operate with solar and wind power.

Gross renewable energy installed capacity (percentage)—Ownership wise as per the 31.12.2018 [ 43 ]

Gross installed capacity of renewable energy—state wise

Table 10 shows the installed capacity of cumulative renewable energy (state wise), out of the total installed capacity of 74,081.66 MW, where Karnataka ranks first with 12,953.24 MW (17.485%), Tamilnadu second with 11,934.38 MW (16%), Maharashtra third with 9283.78 MW (12.532%), Gujarat fourth with 10.641 MW (10.641%), and Rajasthan fifth with 7573.86 MW (10.224%). These five states cover almost 66.991% of the installed capacity of total renewable. Other prominent states are Andhra Pradesh (9.829%), Madhya Pradesh (5.819%), Telangana (5.137%), and Uttar Pradesh (3.879%). These nine states cover almost 91.655%.

Gross installed capacity of renewable energy—according to source

Under union budget of India 2018–2019, INR 3762 crore (USD 581.09 million), was allotted for grid-interactive renewable power schemes and projects. As per the 31.12.2018, the installed capacity of total renewable power (excluding large hydropower) in the country amounted to 74.08166 GW. Around 9.363 GW of solar energy, 1.766 GW of wind, 0.105 GW of small hydropower (SHP), and biomass power of 8.7 GW capacity were added in 2017–2018. Table 11 shows the installed capacity of renewable energy over the last 10 years until the 31.12.2018. Wind energy continues to dominate the countries renewable energy industry, accounting for over 47% of cumulative installed renewable capacity (35,138.15 MW), followed by solar power of 34% (25,212.26 MW), biomass power/cogeneration of 12% (9075.5 MW), and small hydropower of 6% (4517.45 MW). In the renewable energy country attractiveness index (RECAI) of 2018, India ranked in fourth position. The installed renewable energy production capacity has grown at an accelerated pace over the preceding few years, posting a CAGR of 19.78% between 2014 and 2018 [ 45 ] .

Estimation of the installed capacity of renewable energy

Table 12 gives the share of installed cumulative renewable energy capacity, in comparison with the installed conventional energy capacity. In 2022 and 2032, the installed renewable energy capacity will account for 32% and 35%, respectively [ 46 , 47 ]. The most significant renewable capacity expansion program in the world is being taken up by India. The government is preparing to boost the percentage of clean energy through a tremendous push in renewables, as discussed in the subsequent sections.

Gross electricity generation from renewable energy in India

The overall generation (including the generation from grid-connected renewable sources) in the country has grown exponentially. Between 2014–2015 and 2015–2016, it achieved 1110.458 BU and 1173.603 BU, respectively. The same was recorded with 1241.689 BU and 1306.614 BU during 2015–2016 and 1306.614 BU from 2016–2017 and 2017–2018, respectively. Figure 3 indicates that the annual renewable power production increased faster than the conventional power production. The rise accounted for 6.47% in 2015–2016 and 24.88% in 2017–2018, respectively. Table 13 compares the energy generation from traditional sources with that from renewable sources. Remarkably, the energy generation from conventional sources reached 811.143 BU and from renewable sources 9.860 BU in 2010 compared to 1.206.306 BU and 88.945 BU in 2017, respectively [ 48 ]. It is observed that the price of electricity production using renewable technologies is higher than that for conventional generation technologies, but is likely to fall with increasing experience in the techniques involved [ 49 ].

The annual growth in power generation as per the 30th of November 2018

Gross electricity generation from renewable energy—according to regions

Table 14 shows the gross electricity generation from renewable energy-region wise. It is noted that the highest renewable energy generation derives from the southern region, followed by the western part. As of November 2018, 50.33% of energy generation was obtained from the southern area and 29.37%, 18.05%, 2%, and 0.24% from Western, Northern, North-Eastern Areas, and the Island, respectively.

Gross electricity generation from renewable energy—according to states

Table 15 shows the gross electricity generation from renewable energy—region-wise. It is observed that the highest renewable energy generation was achieved from Karnataka (16.57%), Tamilnadu (15.82%), Andhra Pradesh (11.92%), and Gujarat (10.87%) as per November 2018. While adding four years from 2015–2016 to 2018–2019 Tamilnadu [ 50 ] remains in the first position followed by Karnataka, Maharashtra, Gujarat and Andhra Pradesh.

Gross electricity generation from renewable energy—according to sources

Table 16 shows the gross electricity generation from renewable energy—source-wise. It can be concluded from the table that the wind-based energy generation as per 2017–2018 is most prominent with 51.71%, followed by solar energy (25.40%), Bagasse (11.63%), small hydropower (7.55%), biomass (3.34%), and WTE (0.35%). There has been a constant increase in the generation of all renewable sources from 2014–2015 to date. Wind energy, as always, was the highest contributor to the total renewable power production. The percentage of solar energy produced in the overall renewable power production comes next to wind and is typically reduced during the monsoon months. The definite improvement in wind energy production can be associated with a “good” monsoon. Cyclonic action during these months also facilitates high-speed winds. Monsoon winds play a significant part in the uptick in wind power production, especially in the southern states of the country.

Estimation of gross electricity generation from renewable energy

Table 17 shows an estimation of gross electricity generation from renewable energy based on the 2015 report of the National Institution for Transforming India (NITI Aayog) [ 51 ]. It is predicted that the share of renewable power will be 10.2% by 2022, but renewable power technologies contributed a record of 13.4% to the cumulative power production in India as of the 31st of August 2018. The power ministry report shows that India generated 122.10 TWh and out of the total electricity produced, renewables generated 16.30 TWh as on the 31st of August 2018. According to the India Brand Equity Foundation report, it is anticipated that by the year 2040, around 49% of total electricity will be produced using renewable energy.

Current achievements in renewable energy 2017–2018

India cares for the planet and has taken a groundbreaking journey in renewable energy through the last 4 years [ 52 , 53 ]. A dedicated ministry along with financial and technical institutions have helped India in the promotion of renewable energy and diversification of its energy mix. The country is engaged in expanding the use of clean energy sources and has already undertaken several large-scale sustainable energy projects to ensure a massive growth of green energy.

1. India doubled its renewable power capacity in the last 4 years. The cumulative renewable power capacity in 2013–2014 reached 35,500 MW and rose to 70,000 MW in 2017–2018.

2. India stands in the fourth and sixth position regarding the cumulative installed capacity in the wind and solar sector, respectively. Furthermore, its cumulative installed renewable capacity stands in fifth position globally as of the 31st of December 2018.

3. As said above, the cumulative renewable energy capacity target for 2022 is given as 175 GW. For 2017–2018, the cumulative installed capacity amounted to 70 GW, the capacity under implementation is 15 GW and the tendered capacity was 25 GW. The target, the installed capacity, the capacity under implementation, and the tendered capacity are shown in Fig. 4 .

4. There is tremendous growth in solar power. The cumulative installed solar capacity increased by more than eight times in the last 4 years from 2.630 GW (2013–2014) to 22 GW (2017–2018). As of the 31st of December 2018, the installed capacity amounted to 25.2122 GW.

5. The renewable electricity generated in 2017–2018 was 101839 BUs.

6. The country published competitive bidding guidelines for the production of renewable power. It also discovered the lowest tariff and transparent bidding method and resulted in a notable decrease in per unit cost of renewable energy.

7. In 21 states, there are 41 solar parks with a cumulative capacity of more than 26,144 MW that have already been approved by the MNRE. The Kurnool solar park was set up with 1000 MW; and with 2000 MW the largest solar park of Pavagada (Karnataka) is currently under installation.

8. The target for solar power (ground mounted) for 2018–2019 is given as 10 GW, and solar power (Rooftop) as 1 GW.

9. MNRE doubled the target for solar parks (projects of 500 MW or more) from 20 to 40 GW.

10. The cumulative installed capacity of wind power increased by 1.6 times in the last 4 years. In 2013–2014, it amounted to 21 GW, from 2017 to 2018 it amounted to 34 GW, and as of 31st of December 2018, it reached 35.138 GW. This shows that achievements were completed in wind power use.

11. An offshore wind policy was announced. Thirty-four companies (most significant global and domestic wind power players) competed in the “expression of interest” (EoI) floated on the plan to set up India’s first mega offshore wind farm with a capacity of 1 GW.

12. 682 MW small hydropower projects were installed during the last 4 years along with 600 watermills (mechanical applications) and 132 projects still under development.

13. MNRE is implementing green energy corridors to expand the transmission system. 9400 km of green energy corridors are completed or under implementation. The cost spent on it was INR 10141 crore (101,410 Million INR = 1425.01 USD). Furthermore, the total capacity of 19,000 MVA substations is now planned to be complete by March 2020.

14. MNRE is setting up solar pumps (off-grid application), where 90% of pumps have been set up as of today and between 2014–2015 and 2017–2018. Solar street lights were more than doubled. Solar home lighting systems have been improved by around 1.5 times. More than 2,575,000 solar lamps have been distributed to students. The details are illustrated in Fig. 5 .

15. From 2014–2015 to 2017–2018, more than 2.5 lakh (0.25 million) biogas plants were set up for cooking in rural homes to enable families by providing them access to clean fuel.

16. New policy initiatives revised the tariff policy mandating purchase and generation obligations (RPO and RGO). Four wind and solar inter-state transmission were waived; charges were planned, the RPO trajectory for 2022 and renewable energy policy was finalized.

17. Expressions of interest (EoI) were invited for installing solar photovoltaic manufacturing capacities associated with the guaranteed off-take of 20 GW. EoI indicated 10 GW floating solar energy plants.

18. Policy for the solar-wind hybrid was announced. Tender for setting up 2 GW solar-wind hybrid systems in existing projects was invited.

19. To facilitate R&D in renewable power technology, a National lab policy on testing, standardization, and certification was announced by the MNRE.

20. The Surya Mitra program was conducted to train college graduates in the installation, commissioning, operations, and management of solar panels. The International Solar Alliance (ISA) headquarters in India (Gurgaon) will be a new commencement for solar energy improvement in India.

21. The renewable sector has become considerably more attractive for foreign and domestic investors, and the country expects to attract up to USD 80 billion in the next 4 years from 2018–2019 to 2021–2022.

22. The solar power capacity expanded by more than eight times from 2.63 GW in 2013–2014 to 22 GW in 2017–2018.

23. A bidding for 115 GW renewable energy projects up to March 2020 was announced.

24. The Bureau of Indian Standards (BIS) acting for system/components of solar PV was established.

25. To recognize and encourage innovative ideas in renewable energy sectors, the Government provides prizes and awards. Creative ideas/concepts should lead to prototype development. The Name of the award is “Abhinav Soch-Nayi Sambhawanaye,” which means Innovative ideas—New possibilities.

Renewable energy target, installed capacity, under implementation and tendered [ 52 ]

Off-grid solar applications [ 52 ]

Solar energy

Under the National Solar Mission, the MNRE has updated the objective of grid-connected solar power projects from 20 GW by the year 2021–2022 to 100 GW by the year 2021–2022. In 2008–2009, it reached just 6 MW. The “Made in India” initiative to promote domestic manufacturing supported this great height in solar installation capacity. Currently, India has the fifth highest solar installed capacity worldwide. By the 31st of December 2018, solar energy had achieved 25,212.26 MW against the target of 2022, and a further 22.8 GW of capacity has been tendered out or is under current implementation. MNRE is preparing to bid out the remaining solar energy capacity every year for the periods 2018–2019 and 2019–2020 so that bidding may contribute with 100 GW capacity additions by March 2020. In this way, 2 years for the completion of projects would remain. Tariffs will be determined through the competitive bidding process (reverse e-auction) to bring down tariffs significantly. The lowest solar tariff was identified to be INR 2.44 per kWh in July 2018. In 2010, solar tariffs amounted to INR 18 per kWh. Over 100,000 lakh (10,000 million) acres of land had been classified for several planned solar parks, out of which over 75,000 acres had been obtained. As of November 2018, 47 solar parks of a total capacity of 26,694 MW were established. The aggregate capacity of 4195 MW of solar projects has been commissioned inside various solar parks (floating solar power). Table 18 shows the capacity addition compared to the target. It indicates that capacity addition increased exponentially.

Wind energy

As of the 31st of December 2018, the total installed capacity of India amounted to 35,138.15 MW compared to a target of 60 GW by 2022. India is currently in fourth position in the world for installed capacity of wind power. Moreover, around 9.4 GW capacity has been tendered out or is under current implementation. The MNRE is preparing to bid out for A 10 GW wind energy capacity every year for 2018–2019 and 2019–2020, so that bidding will allow for 60 GW capacity additions by March 2020, giving the remaining two years for the accomplishment of the projects. The gross wind energy potential of the country now reaches 302 GW at a 100 m above-ground level. The tariff administration has been changed from feed-in-tariff (FiT) to the bidding method for capacity addition. On the 8th of December 2017, the ministry published guidelines for a tariff-based competitive bidding rule for the acquisition of energy from grid-connected wind energy projects. The developed transparent process of bidding lowered the tariff for wind power to its lowest level ever. The development of the wind industry has risen in a robust ecosystem ensuring project execution abilities and a manufacturing base. State-of-the-art technologies are now available for the production of wind turbines. All the major global players in wind power have their presence in India. More than 12 different companies manufacture more than 24 various models of wind turbines in India. India exports wind turbines and components to the USA, Europe, Australia, Brazil, and other Asian countries. Around 70–80% of the domestic production has been accomplished with strong domestic manufacturing companies. Table 19 lists the capacity addition compared to the target for the capacity addition. Furthermore, electricity generation from the wind-based capacity has improved, even though there was a slowdown of new capacity in the first half of 2018–2019 and 2017–2018.

The national energy storage mission—2018

The country is working toward a National Energy Storage Mission. A draft of the National Energy Storage Mission was proposed in February 2018 and initiated to develop a comprehensive policy and regulatory framework. During the last 4 years, projects included in R&D worth INR 115.8 million (USD 1.66 million) in the domain of energy storage have been launched, and a corpus of INR 48.2 million (USD 0.7 million) has been issued. India’s energy storage mission will provide an opportunity for globally competitive battery manufacturing. By increasing the battery manufacturing expertise and scaling up its national production capacity, the country can make a substantial economic contribution in this crucial sector. The mission aims to identify the cumulative battery requirements, total market size, imports, and domestic manufacturing. Table 20 presents the economic opportunity from battery manufacturing given by the National Institution for Transforming India, also called NITI Aayog, which provides relevant technical advice to central and state governments while designing strategic and long-term policies and programs for the Indian government.

Small hydropower—3-year action agenda—2017

Hydro projects are classified as large hydro, small hydro (2 to 25 MW), micro-hydro (up to 100 kW), and mini-hydropower (100 kW to 2 MW) projects. Whereas the estimated potential of SHP is 20 GW, the 2022 target for India in SHP is 5 GW. As of the 31st of December 2018, the country has achieved 4.5 GW and this production is constantly increasing. The objective, which was planned to be accomplished through infrastructure project grants and tariff support, was included in the NITI Aayog’s 3-year action agenda (2017–2018 to 2019–2020), which was published on the 1st of August 2017. MNRE is providing central financial assistance (CFA) to set up small/micro hydro projects both in the public and private sector. For the identification of new potential locations, surveys and comprehensive project reports are elaborated, and financial support for the renovation and modernization of old projects is provided. The Ministry has established a dedicated completely automatic supervisory control and data acquisition (SCADA)—based on a hydraulic turbine R&D laboratory at the Alternate Hydro Energy Center (AHEC) at IIT Roorkee. The establishment cost for the lab was INR 40 crore (400 million INR, 95.62 Million USD), and the laboratory will serve as a design and validation facility. It investigates hydro turbines and other hydro-mechanical devices adhering to national and international standards [ 54 , 55 ]. Table 21 shows the target and achievements from 2007–2008 to 2018–2019.

National policy regarding biofuels—2018

Modernization has generated an opportunity for a stable change in the use of bioenergy in India. MNRE amended the current policy for biomass in May 2018. The policy presents CFA for projects using biomass such as agriculture-based industrial residues, wood produced through energy plantations, bagasse, crop residues, wood waste generated from industrial operations, and weeds. Under the policy, CFA will be provided to the projects at the rate of INR 2.5 million (USD 35,477.7) per MW for bagasse cogeneration and INR 5 million (USD 70,955.5) per MW for non-bagasse cogeneration. The MNRE also announced a memorandum in November 2018 considering the continuation of the concessional customs duty certificate (CCDC) to set up projects for the production of energy using non-conventional materials such as bio-waste, agricultural, forestry, poultry litter, agro-industrial, industrial, municipal, and urban wastes. The government recently established the National policy on biofuels in August 2018. The MNRE invited an expression of interest (EOI) to estimate the potential of biomass energy and bagasse cogeneration in the country. A program to encourage the promotion of biomass-based cogeneration in sugar mills and other industries was also launched in May 2018. Table 22 shows how the biomass power target and achievements are expected to reach 10 GW of the target of 2022 before the end of 2019.

The new national biogas and organic manure program (NNBOMP)—2018

The National biogas and manure management programme (NBMMP) was launched in 2012–2013. The primary objective was to provide clean gaseous fuel for cooking, where the remaining slurry was organic bio-manure which is rich in nitrogen, phosphorus, and potassium. Further, 47.5 lakh (4.75 million) cumulative biogas plants were completed in 2014, and increased to 49.8 lakh (4.98 million). During 2017–2018, the target was to establish 1.10 lakh biogas plants (1.10 million), but resulted in 0.15 lakh (0.015 million). In this way, the cost of refilling the gas cylinders with liquefied petroleum gas (LPG) was greatly reduced. Likewise, tons of wood/trees were protected from being axed, as wood is traditionally used as a fuel in rural and semi-urban households. Biogas is a viable alternative to traditional cooking fuels. The scheme generated employment for almost 300 skilled laborers for setting up the biogas plants. By 30th of May 2018, the Ministry had issued guidelines for the implementation of the NNBOMP during the period 2017–2018 to 2019–2020 [ 56 ].

The off-grid and decentralized solar photovoltaic application program—2018

The program deals with the energy demand through the deployment of solar lanterns, solar streetlights, solar home lights, and solar pumps. The plan intended to reach 118 MWp of off-grid PV capacity by 2020. The sanctioning target proposed outlay was 50 MWp by 2017–2018 and 68 MWp by 2019–2020. The total estimated cost amounted to INR 1895 crore (18950 Million INR, 265.547 million USD), and the ministry wanted to support 637 crores (6370 million INR, 89.263 million USD) by its central finance assistance. Solar power plants with a 25 KWp size were promoted in those areas where grid power does not reach households or is not reliable. Public service institutions, schools, panchayats, hostels, as well as police stations will benefit from this scheme. Solar study lamps were also included as a component in the program. Thirty percent of financial assistance was provided to solar power plants. Every student should bear 15% of the lamp cost, and the ministry wanted to support the remaining 85%. As of October 2018, lantern and lamps of more than 40 Lakhs (4 million), home lights of 16.72 lakhs (1.672 million) number, street lights of 6.40 lakhs (0.64 million), solar pumps of 1.96 lakhs (0.196 million), and 187.99 MWp stand-alone devices had been installed [ 57 , 58 ].

Major government initiatives for renewable energy

Technological initiatives.

The Technology Development and Innovation Policy (TDIP) released on the 6th of October 2017 was endeavored to promote research, development, and demonstration (RD&D) in the renewable energy sector [ 59 ]. RD&D intended to evaluate resources, progress in technology, commercialization, and the presentation of renewable energy technologies across the country. It aimed to produce renewable power devices and systems domestically. The evaluation of standards and resources, processes, materials, components, products, services, and sub-systems was carried out through RD&D. A development of the market, efficiency improvements, cost reductions, and a promotion of commercialization (scalability and bankability) were achieved through RD&D. Likewise, the percentage of renewable energy in the total electricity mix made it self-sustainable, industrially competitive, and profitable through RD&D. RD&D also supported technology development and demonstration in wind, solar, wind-solar hybrid, biofuel, biogas, hydrogen fuel cells, and geothermal energies. RD&D supported the R&D units of educational institutions, industries, and non-government organizations (NGOs). Sharing expertise, information, as well as institutional mechanisms for collaboration was realized by use of the technology development program (TDP). The various people involved in this program were policymakers, industrial innovators, associated stakeholders and departments, researchers, and scientists. Renowned R&D centers in India are the National Institute of Solar Energy (NISE), Gurgaon, the National Institute of Bio-Energy (NIBE), Kapurthala, and the National Institute of Wind Energy (NIWE), Chennai. The TDP strategy encouraged the exploration of innovative approaches and possibilities to obtain long-term targets. Likewise, it efficiently supported the transformation of knowledge into technology through a well-established monitoring system for the development of renewable technology that meets the electricity needs of India. The research center of excellence approved the TDI projects, which were funded to strengthen R&D. Funds were provided for conducting training and workshops. The MNRE is now preparing a database of R&D accomplishments in the renewable energy sector.

The Impacting Research Innovation and Technology (IMPRINT) program seeks to develop engineering and technology (prototype/process development) on a national scale. IMPRINT is steered by the Indian Institute of Technologies (IITs) and Indian Institute of science (IISCs). The expansion covers all areas of engineering and technology including renewable technology. The ministry of human resource development (MHRD) finances up to 50% of the total cost of the project. The remaining costs of the project are financed by the ministry (MNRE) via the RD&D program for renewable projects. Currently (2018–2019), five projects are under implementation in the area of solar thermal systems, storage for SPV, biofuel, and hydrogen and fuel cells which are funded by the MNRE (36.9 million INR, 0.518426 Million USD) and IMPRINT. Development of domestic technology and quality control are promoted through lab policies that were published on the 7th of December 2017. Lab policies were implemented to test, standardize, and certify renewable energy products and projects. They supported the improvement of the reliability and quality of the projects. Furthermore, Indian test labs are strengthened in line with international standards and practices through well-established lab policies. From 2015, the MNRE has provided “The New and Renewable Energy Young Scientist’s Award” to researchers/scientists who demonstrate exceptional accomplishments in renewable R&D.

Financial initiatives

One hundred percent financial assistance is granted by the MNRE to the government and NGOs and 50% financial support to the industry. The policy framework was developed to guide the identification of the project, the formulation, monitoring appraisal, approval, and financing. Between 2012 and 2017, a 4467.8 million INR, 62.52 Million USD) support was granted by the MNRE. The MNRE wanted to double the budget for technology development efforts in renewable energy for the current three-year plan period. Table 23 shows that the government is spending more and more for the development of the renewable energy sector. Financial support was provided to R&D projects. Exceptional consideration was given to projects that worked under extreme and hazardous conditions. Furthermore, financial support was applied to organizing awareness programs, demonstrations, training, workshops, surveys, assessment studies, etc. Innovative approaches will be rewarded with cash prizes. The winners will be presented with a support mechanism for transforming their ideas and prototypes into marketable commodities such as start-ups for entrepreneur development. Innovative projects will be financed via start-up support mechanisms, which will include an investment contract with investors. The MNRE provides funds to proposals for investigating policies and performance analyses related to renewable energy.

Technology validation and demonstration projects and other innovative projects with regard to renewables received a financial assistance of 50% of the project cost. The CFA applied to partnerships with industry and private institutions including engineering colleges. Private academic institutions, accredited by a government accreditation body, were also eligible to receive a 50% support. The concerned industries and institutions should meet the remaining 50% expenditure. The MNRE allocated an INR 3762.50 crore (INR 37625 million, 528.634 million USD) for the grid interactive renewable sources and an INR 1036.50 crore (INR 10365 million, 145.629 million USD) for off-grid/distributed and decentralized renewable power for the year 2018–2019 [ 60 ]. The MNRE asked the Reserve Bank of India (RBI), attempting to build renewable power projects under “priority sector lending” (priority lending should be done for renewable energy projects and without any limit) and to eliminate the obstacles in the financing of renewable energy projects. In July 2018, the Ministry of Finance announced that it would impose a 25% safeguard duty on solar panels and modules imported from China and Malaysia for 1 year. The quantum of tax might be reduced to 20% for the next 6 months, and 15% for the following 6 months.

Policy and regulatory framework initiatives

The regulatory interventions for the development of renewable energy sources are (a) tariff determination, (b) defining RPO, (c) promoting grid connectivity, and (d) promoting the expansion of the market.

Tariff policy amendments—2018

On the 30th of May 2018, the MoP released draft amendments to the tariff policy. The objective of these policies was to promote electricity generation from renewables. MoP in consultation with MNRE announced the long-term trajectory for RPO, which is represented in Table 24 . The State Electricity Regulatory Commission (SERC) achieved a favorable and neutral/off-putting effect in the growth of the renewable power sector through their RPO regulations in consultation with the MNRE. On the 25th of May 2018, the MNRE created an RPO compliance cell to reach India’s solar and wind power goals. Due to the absence of implementation of RPO regulations, several states in India did not meet their specified RPO objectives. The cell will operate along with the Central Electricity Regulatory Commission (CERC) and SERCs to obtain monthly statements on RPO compliance. It will also take up non-compliance associated concerns with the relevant officials.

Repowering policy—2016

On the 09th of August 2016, India announced a “repowering policy” for wind energy projects. An about 27 GW turnaround was possible according to the policy. This policy supports the replacing of aging wind turbines with more modern and powerful units (fewer, larger, taller) to raise the level of electricity generation. This policy seeks to create a simplified framework and to promote an optimized use of wind power resources. It is mandatory because the up to the year 2000 installed wind turbines were below 500 kW in sites where high wind potential might be achieved. It will be possible to obtain 3000 MW from the same location once replacements are in place. The policy was initially applied for the one MW installed capacity of wind turbines, and the MNRE will extend the repowering policy to other projects in the future based on experience. Repowering projects were implemented by the respective state nodal agencies/organizations that were involved in wind energy promotion in their states. The policy provided an exception from the Power Purchase Agreement (PPA) for wind farms/turbines undergoing repowering because they could not fulfill the requirements according to the PPA during repowering. The repowering projects may avail accelerated depreciation (AD) benefit or generation-based incentive (GBI) due to the conditions appropriate to new wind energy projects [ 61 ].

The wind-solar hybrid policy—2018

On the 14th of May 2018, the MNRE announced a national wind-solar hybrid policy. This policy supported new projects (large grid-connected wind-solar photovoltaic hybrid systems) and the hybridization of the already available projects. These projects tried to achieve an optimal and efficient use of transmission infrastructure and land. Better grid stability was achieved and the variability in renewable power generation was reduced. The best part of the policy intervention was that which supported the hybridization of existing plants. The tariff-based transparent bidding process was included in the policy. Regulatory authorities should formulate the necessary standards and regulations for hybrid systems. The policy also highlighted a battery storage in hybrid projects for output optimization and variability reduction [ 62 ].

The national offshore wind energy policy—2015

The National Offshore Wind Policy was released in October 2015. On the 19th of June 2018, the MNRE announced a medium-term target of 5 GW by 2022 and a long-term target of 30 GW by 2030. The MNRE called expressions of Interest (EoI) for the first 1 GW of offshore wind (the last date was 08.06.2018). The EoI site is located in Pipavav port at the Gulf of Khambhat at a distance of 23 km facilitating offshore wind (FOWIND) where the consortium deployed light detection and ranging (LiDAR) in November 2017). Pipavav port is situated off the coast of Gujarat. The MNRE had planned to install more such equipment in the states of Tamil Nadu and Gujarat. On the 14 th of December 2018, the MNRE, through the National Institute of Wind Energy (NIWE), called tender for offshore environmental impact assessment studies at intended LIDAR points at the Gulf of Mannar, off the coast of Tamil Nadu for offshore wind measurement. The timeline for initiatives was to firstly add 500 MW by 2022, 2 to 2.5 GW by 2027, and eventually reaching 5 GW between 2028 and 2032. Even though the installation of large wind power turbines in open seas is a challenging task, the government has endeavored to promote this offshore sector. Offshore wind energy would add its contribution to the already existing renewable energy mix for India [ 63 ] .

The feed-in tariff policy—2018

On the 28th of January 2016, the revised tariff policy was notified following the Electricity Act. On the 30th May 2018, the amendment in tariff policy was released. The intentions of this tariff policy are (a) an inexpensive and competitive electricity rate for the consumers; (b) to attract investment and financial viability; (c) to ensure that the perceptions of regulatory risks decrease through predictability, consistency, and transparency of policy measures; (d) development in quality of supply, increased operational efficiency, and improved competition; (e) increase the production of electricity from wind, solar, biomass, and small hydro; (f) peaking reserves that are acceptable in quantity or consistently good in quality or performance of grid operation where variable renewable energy source integration is provided through the promotion of hydroelectric power generation, including pumped storage projects (PSP); (g) to achieve better consumer services through efficient and reliable electricity infrastructure; (h) to supply sufficient and uninterrupted electricity to every level of consumers; and (i) to create adequate capacity, reserves in the production, transmission, and distribution that is sufficient for the reliability of supply of power to customers [ 64 ].

Training and educational initiatives

The MHRD has developed strong renewable energy education and training systems. The National Council for Vocational Training (NCVT) develops course modules, and a Modular Employable Skilling program (MES) in its regular 2-year syllabus to include SPV lighting systems, solar thermal systems, SHP, and provides the certificate for seven trades after the completion of a 2-year course. The seven trades are plumber, fitter, carpenter, welder, machinist, and electrician. The Ministry of Skill Development and Entrepreneurship (MSDE) worked out a national skill development policy in 2015. They provide regular training programs to create various job roles in renewable energy along with the MNRE support through a skill council for green jobs (SCGJ), the National Occupational Standards (NOS), and the Qualification Pack (QP). The SCGJ is promoted by the Confederation of Indian Industry (CII) and the MNRE. The industry partner for the SCGJ is ReNew Power [ 65 , 66 ].

The global status of India in renewable energy

Table 25 shows the RECAI (Renewable Energy Country Attractiveness Index) report of 40 countries. This report is based on the attractiveness of renewable energy investment and deployment opportunities. RECAI is based on macro vitals such as economic stability, investment climate, energy imperatives such as security and supply, clean energy gap, and affordability. It also includes policy enablement such as political stability and support for renewables. Its emphasis lies on project delivery parameters such as energy market access, infrastructure, and distributed generation, finance, cost and availability, and transaction liquidity. Technology potentials such as natural resources, power take-off attractiveness, potential support, technology maturity, and forecast growth are taken into consideration for ranking. India has moved to the fourth position of the RECAI-2018. Indian solar installations (new large-scale and rooftop solar capacities) in the calendar year 2017 increased exponentially with the addition of 9629 MW, whereas in 2016 it was 4313 MW. The warning of solar import tariffs and conflicts between developers and distribution firms are growing investor concerns [ 67 ]. Figure 6 shows the details of the installed capacity of global renewable energy in 2016 and 2017. Globally, 2017 GW renewable energy was installed in 2016, and in 2017, it increased to 2195 GW. Table 26 shows the total capacity addition of top countries until 2017. The country ranked fifth in renewable power capacity (including hydro energy), renewable power capacity (not including hydro energy) in fourth position, concentrating solar thermal power (CSP) and wind power were also in fourth position [ 68 ].

Globally installed capacity of renewable energy in 2017—Global 2018 status report with regard to renewables [ 68 ]

The investment opportunities in renewable energy in India

The investments into renewable energy in India increased by 22% in the first half of 2018 compared to 2017, while the investments in China dropped by 15% during the same period, according to a statement by the Bloomberg New Energy Finance (BNEF), which is shown in Table 27 [ 69 , 70 ]. At this rate, India is expected to overtake China and become the most significant growth market for renewable energy by the end of 2020. The country is eyeing pole position for transformation in renewable energy by reaching 175 GW by 2020. To achieve this target, it is quickly ramping up investments in this sector. The country added more renewable capacity than conventional capacity in 2018 when compared to 2017. India hosted the ISA first official summit on the 11.03.2018 for 121 countries. This will provide a standard platform to work toward the ambitious targets for renewable energy. The summit will emphasize India’s dedication to meet global engagements in a time-bound method. The country is also constructing many sizeable solar power parks comparable to, but larger than, those in China. Half of the earth’s ten biggest solar parks under development are in India.

In 2014, the world largest solar park was the Topaz solar farm in California with a 550 MW facility. In 2015, another operator in California, Solar Star, edged its capacity up to 579 MW. By 2016, India’s Kamuthi Solar Power Project in Tamil Nadu was on top with 648 MW of capacity (set up by the Adani Green Energy, part of the Adani Group, in Tamil Nadu). As of February 2017, the Longyangxia Dam Solar Park in China was the new leader, with 850 MW of capacity [ 71 ]. Currently, there are 600 MW operating units and 1400 MW units under construction. The Shakti Sthala solar park was inaugurated on 01.03.2018 in Pavagada (Karnataka, India) which is expected to become the globe’s most significant solar park when it accomplishes its full potential of 2 GW. Another large solar park with 1.5 GW is scheduled to be built in the Kadappa region [ 72 ]. The progress in solar power is remarkable and demonstrates real clean energy development on the ground.

The Kurnool ultra-mega solar park generated 800 million units (MU) of energy in October 2018 and saved over 700,000 tons of CO 2 . Rainwater was harvested using a reservoir that helps in cleaning solar panels and supplying water. The country is making remarkable progress in solar energy. The Kamuthi solar farm is cleaned each day by a robotic system. As the Indian economy expands, electricity consumption is forecasted to reach 15,280 TWh in 2040. With the government’s intent, green energy objectives, i.e., the renewable sector, grow considerably in an attractive manner with both foreign and domestic investors. It is anticipated to attract investments of up to USD 80 billion in the subsequent 4 years. The government of India has raised its 175 GW target to 225 GW of renewable energy capacity by 2022. The competitive benefit is that the country has sun exposure possible throughout the year and has an enormous hydropower potential. India was also listed fourth in the EY renewable energy country attractive index 2018. Sixty solar cities will be built in India as a section of MNRE’s “Solar cities” program.

In a regular auction, reduction in tariffs cost of the projects are the competitive benefits in the country. India accounts for about 4% of the total global electricity generation capacity and has the fourth highest installed capacity of wind energy and the third highest installed capacity of CSP. The solar installation in India erected during 2015–2016, 2016–2017, 2017–2018, and 2018–2019 was 3.01 GW, 5.52 GW, 9.36 GW, and 6.53 GW, respectively. The country aims to add 8.5 GW during 2019–2020. Due to its advantageous location in the solar belt (400 South to 400 North), the country is one of the largest beneficiaries of solar energy with relatively ample availability. An increase in the installed capacity of solar power is anticipated to exceed the installed capacity of wind energy, approaching 100 GW by 2022 from its current levels of 25.21226 GW as of December 2018. Fast falling prices have made Solar PV the biggest market for new investments. Under the Union Budget 2018–2019, a zero import tax on parts used in manufacturing solar panels was launched to provide an advantage to domestic solar panel companies [ 73 ].

Foreign direct investment (FDI) inflows in the renewable energy sector of India between April 2000 and June 2018 amounted to USD 6.84 billion according to the report of the department of industrial policy and promotion (DIPP). The DIPP was renamed (gazette notification 27.01.2019) the Department for the Promotion of Industry and Internal Trade (DPIIT). It is responsible for the development of domestic trade, retail trade, trader’s welfare including their employees as well as concerns associated with activities in facilitating and supporting business and startups. Since 2014, more than 42 billion USD have been invested in India’s renewable power sector. India reached US$ 7.4 billion in investments in the first half of 2018. Between April 2015 and June 2018, the country received USD 3.2 billion FDI in the renewable sector. The year-wise inflows expanded from USD 776 million in 2015–2016 to USD 783 million in 2016–2017 and USD 1204 million in 2017–2018. Between January to March of 2018, the INR 452 crore (4520 Million INR, 63.3389 million USD) of the FDI had already come in. The country is contributing with financial and promotional incentives that include a capital subsidy, accelerated depreciation (AD), waiver of inter-state transmission charges and losses, viability gap funding (VGF), and FDI up to 100% under the automated track.

The DIPP/DPIIT compiles and manages the data of the FDI equity inflow received in India [ 74 ]. The FDI equity inflow between April 2015 and June 2018 in the renewable sector is illustrated in Fig. 7 . It shows that the 2018–2019 3 months’ FDI equity inflow is half of that of the entire one of 2017–2018. It is evident from the figure that India has well-established FDI equity inflows. The significant FDI investments in the renewable energy sectors are shown in Table 28 . The collaboration between the Asian development bank and Renew Power Ventures private limited with 44.69 million USD ranked first followed by AIRRO Singapore with Diligent power with FDI equity inflow of 44.69 USD million.

The FDI equity inflow received between April 2015 and June 2018 in the renewable energy sector [ 73 ]

Strategies to promote investments

Strategies to promote investments (including FDI) by investors in the renewable sector:

Decrease constraints on FDI; provide open, transparent, and dependable conditions for foreign and domestic firms; and include ease of doing business, access to imports, comparatively flexible labor markets, and safeguard of intellectual property rights.

Establish an investment promotion agency (IPA) that targets suitable foreign investors and connects them as a catalyst with the domestic economy. Assist the IPA to present top-notch infrastructure and immediate access to skilled workers, technicians, engineers, and managers that might be needed to attract such investors. Furthermore, it should involve an after-investment care, recognizing the demonstration effects from satisfied investors, the potential for reinvestments, and the potential for cluster-development due to follow-up investments.

It is essential to consider the targeted sector (wind, solar, SPH or biomass, respectively) for which investments are required.

Establish the infrastructure needed for a quality investor, including adequate close-by transport facilities (airport, ports), a sufficient and steady supply of energy, a provision of a sufficiently skilled workforce, the facilities for the vocational training of specialized operators, ideally designed in collaboration with the investor.

Policy and other support mechanisms such as Power Purchase Agreements (PPA) play an influential role in underpinning returns and restricting uncertainties for project developers, indirectly supporting the availability of investment. Investors in renewable energy projects have historically relied on government policies to give them confidence about the costs necessary for electricity produced—and therefore for project revenues. Reassurance of future power costs for project developers is secured by signing a PPA with either a utility or an essential corporate buyer of electricity.

FiT have been the most conventional approach around the globe over the last decade to stimulate investments in renewable power projects. Set by the government concerned, they lay down an electricity tariff that developers of qualifying new projects might anticipate to receive for the resulting electricity over a long interval (15–20 years). These present investors in the tax equity of renewable power projects with a credit that they can manage to offset the tax burden outside in their businesses.

Table 29 presents the 2018 renewable energy investment report, source-wise, by the significant players in renewables according to the report of the Bloomberg New Energy Finance Report 2018. As per this report, global investment in renewable energy was USD of 279.8 billion in 2017. The top ten in the total global investments are China (126.1 $BN), the USA (40.5 $BN), Japan (13.4 $BN), India (10.9 $BN), Germany (10.4 $BN), Australia (8.5 $BN), UK (7.6 $BN), Brazil (6.0 $BN), Mexico (6.0 $BN), and Sweden (3.7 $BN) [ 75 ]. This achievement was possible since those countries have well-established strategies for promoting investments [ 76 , 77 ].

The appropriate objectives for renewable power expansion and investments are closely related to the Nationally Determined Contributions (NDCs) objectives, the implementation of the NDC, on the road to achieving Paris promises, policy competence, policy reliability, market absorption capacity, and nationwide investment circumstances that are the real purposes for renewable power expansion, which is a significant factor for the investment strategies, as is shown in Table 30 .

The demand for investments for building a Paris-compatible and climate-resilient energy support remains high, particularly in emerging nations. Future investments in energy grids and energy flexibility are of particular significance. The strategies and the comparison chart between China, India, and the USA are presented in Table 31 .

Table 32 shows France in the first place due to overall favorable conditions for renewables, heading the G20 in investment attractiveness of renewables. Germany drops back one spot due to a decline in the quality of the global policy environment for renewables and some insufficiencies in the policy design, as does the UK. Overall, with four European countries on top of the list, Europe, however, directs the way in providing attractive conditions for investing in renewables. Despite high scores for various nations, no single government is yet close to growing a role model. All countries still have significant room for increasing investment demands to deploy renewables at the scale required to reach the Paris objectives. The table shown is based on the Paris compatible long-term vision, the policy environment for renewable energy, the conditions for system integration, the market absorption capacity, and general investment conditions. India moved from the 11th position to the 9th position in overall investments between 2017 and 2018.

A Paris compatible long-term vision includes a de-carbonization plan for the power system, the renewable power ambition, the coal and oil decrease, and the reliability of renewables policies. Direct support policies include medium-term certainty of policy signals, streamlined administrative procedures, ensuring project realization, facilitating the use of produced electricity. Conditions for system integration include system integration-grid codes, system integration-storage promotion, and demand-side management policies. A market absorption capacity includes a prior experience with renewable technologies, a current activity with renewable installations, and a presence of major renewable energy companies. General investment conditions include non-financial determinants, depth of the financial sector as well, as an inflation forecast.

Employment opportunities for citizens in renewable energy in India

Global employment scenario.

According to the 2018 Annual review of the IRENA [ 78 ], global renewable energy employment touched 10.3 million jobs in 2017, an improvement of 5.3% compared with the quantity published in 2016. Many socio-economic advantages derive from renewable power, but employment continues to be exceptionally centralized in a handful of countries, with China, Brazil, the USA, India, Germany, and Japan in the lead. In solar PV employment (3.4 million jobs), China is the leader (65% of PV Jobs) which is followed by Japan, USA, India, Bangladesh, Malaysia, Germany, Philippines, and Turkey. In biofuels employment (1.9 million jobs), Brazil is the leader (41% of PV Jobs) followed by the USA, Colombia, Indonesia, Thailand, Malaysia, China, and India. In wind employment (1.1 million jobs), China is the leader (44% of PV Jobs) followed by Germany, USA, India, UK, Brazil, Denmark, Netherlands, France, and Spain.

Table 33 shows global renewable energy employment in the corresponding technology branches. As in past years, China maintained the most notable number of people employed (3880 million jobs) estimating for 43% of the globe’s total which is shown in Fig. 8 . In India, new solar installations touched a record of 9.6 GW in 2017, efficiently increasing the total installed capacity. The employment in solar PV improved by 36% and reached 164,400 jobs, of which 92,400 represented on-grid use. IRENA determines that the building and installation covered 46% of these jobs, with operations and maintenance (O&M) representing 35% and 19%, individually. India does not produce solar PV because it could be imported from China, which is inexpensive. The market share of domestic companies (Indian supplier to renewable projects) declined from 13% in 2014–2015 to 7% in 2017–2018. If India starts the manufacturing base, more citizens will get jobs in the manufacturing field. India had the world’s fifth most significant additions of 4.1 GW to wind capacity in 2017 and the fourth largest cumulative capacity in 2018. IRENA predicts that jobs in the wind sector stood at 60,500.

Renewable energy employment in selected countries [ 79 ]

The jobs in renewables are categorized into technological development, installation/de-installation, operation, and maintenance. Tables 34 , 35 , 36 , and 37 show the wind industry, solar energy, biomass, and small hydro-related jobs in project development, component manufacturing, construction, operations, and education, training, and research. As technology quickly evolves, workers in all areas need to update their skills through continuing training/education or job training, and in several cases could benefit from professional certification. The advantages of moving to renewable energy are evident, and for this reason, the governments are responding positively toward the transformation to clean energy. Renewable energy can be described as the country’s next employment boom. Renewable energy job opportunities can transform rural economy [ 79 , 80 ]. The renewable energy sector might help to reduce poverty by creating better employment. For example, wind power is looking for specialists in manufacturing, project development, and construction and turbine installation as well as financial services, transportation and logistics, and maintenance and operations.

The government is building more renewable energy power plants that will require a workforce. The increasing investments in the renewable energy sector have the potential to provide more jobs than any other fossil fuel industry. Local businesses and renewable sectors will benefit from this change, as income will increase significantly. Many jobs in this sector will contribute to fixed salaries, healthcare benefits, and skill-building opportunities for unskilled and semi-skilled workers. A range of skilled and unskilled jobs are included in all renewable energy technologies, even though most of the positions in the renewable energy industry demand a skilled workforce. The renewable sector employs semi-skilled and unskilled labor in the construction, operations, and maintenance after proper training. Unskilled labor is employed as truck drivers, guards, cleaning, and maintenance. Semi-skilled labor is used to take regular readings from displays. A lack of consistent data on the potential employment impact of renewables expansion makes it particularly hard to assess the quantity of skilled, semi-skilled, and unskilled personnel that might be needed.

Key findings in renewable energy employment

The findings comprise (a) that the majority of employment in the renewable sector is contract based, and that employees do not benefit from permanent jobs or security. (b) Continuous work in the industry has the potential to decrease poverty. (c) Most poor citizens encounter obstacles to entry-level training and the employment market due to lack of awareness about the jobs and the requirements. (d) Few renewable programs incorporate developing ownership opportunities for the citizens and the incorporation of women in the sector. (e) The inadequacy of data makes it challenging to build relationships between employment in renewable energy and poverty mitigation.

Recommendations for renewable energy employment

When building the capacity, focus on poor people and individuals to empower them with training in operation and maintenance.

Develop and offer training programs for citizens with minimal education and training, who do not fit current programs, which restrict them from working in renewable areas.

Include women in the renewable workforce by providing localized training.

Establish connections between training institutes and renewable power companies to guarantee that (a) trained workers are placed in appropriate positions during and after the completion of the training program and (b) training programs match the requirements of the renewable sector.

Poverty impact assessments might be embedded in program design to know how programs motivate poverty reduction, whether and how they influence the community.

Allow people to have a sense of ownership in renewable projects because this could contribute to the growth of the sector.

The details of the job being offered (part time, full time, contract-based), the levels of required skills for the job (skilled, semi-skilled and unskilled), the socio-economic status of the employee data need to be collected for further analysis.

Conduct investigations, assisted by field surveys, to learn about the influence of renewable energy jobs on poverty mitigation and differences in the standard of living.

Challenges faced by renewable energy in India

The MNRE has been taking dedicated measures for improving the renewable sector, and its efforts have been satisfactory in recognizing various obstacles.

Policy and regulatory obstacles

A comprehensive policy statement (regulatory framework) is not available in the renewable sector. When there is a requirement to promote the growth of particular renewable energy technologies, policies might be declared that do not match with the plans for the development of renewable energy.

The regulatory framework and procedures are different for every state because they define the respective RPOs (Renewable Purchase Obligations) and this creates a higher risk of investments in this sector. Additionally, the policies are applicable for just 5 years, and the generated risk for investments in this sector is apparent. The biomass sector does not have an established framework.

Incentive accelerated depreciation (AD) is provided to wind developers and is evident in developing India’s wind-producing capacity. Wind projects installed more than 10 years ago show that they are not optimally maintained. Many owners of the asset have built with little motivation for tax benefits only. The policy framework does not require the maintenance of the wind projects after the tax advantages have been claimed. There is no control over the equipment suppliers because they undertake all wind power plant development activities such as commissioning, operation, and maintenance. Suppliers make the buyers pay a premium and increase the equipment cost, which brings burden to the buyer.

Furthermore, ready-made projects are sold to buyers. The buyers are susceptible to this trap to save income tax. Foreign investors hesitate to invest because they are exempted from the income tax.

Every state has different regulatory policy and framework definitions of an RPO. The RPO percentage specified in the regulatory framework for various renewable sources is not precise.

RPO allows the SERCs and certain private firms to procure only a part of their power demands from renewable sources.

RPO is not imposed on open access (OA) and captive consumers in all states except three.

RPO targets and obligations are not clear, and the RPO compliance cell has just started on 22.05.2018 to collect the monthly reports on compliance and deal with non-compliance issues with appropriate authorities.

Penalty mechanisms are not specified and only two states in India (Maharashtra and Rajasthan) have some form of penalty mechanisms.

The parameter to determine the tariff is not transparent in the regulatory framework and many SRECs have established a tariff for limited periods. The FiT is valid for only 5 years, and this affects the bankability of the project.

Many SERCs have not decided on adopting the CERC tariff that is mentioned in CERCs regulations that deal with terms and conditions for tariff determinations. The SERCs have considered the plant load factor (PLF) because it varies across regions and locations as well as particular technology. The current framework does not fit to these issues.

Third party sale (TPS) is not allowed because renewable generators are not allowed to sell power to commercial consumers. They have to sell only to industrial consumers. The industrial consumers have a low tariff and commercial consumers have a high tariff, and SRCS do not allow OA. This stops the profit for the developers and investors.

Institutional obstacles

Institutes, agencies stakeholders who work under the conditions of the MNRE show poor inter-institutional coordination. The progress in renewable energy development is limited by this lack of cooperation, coordination, and delays. The delay in implementing policies due to poor coordination, decrease the interest of investors to invest in this sector.

The single window project approval and clearance system is not very useful and not stable because it delays the receiving of clearances for the projects ends in the levy of a penalty on the project developer.

Pre-feasibility reports prepared by concerned states have some deficiency, and this may affect the small developers, i.e., the local developers, who are willing to execute renewable projects.

The workforce in institutes, agencies, and ministries is not sufficient in numbers.

Proper or well-established research centers are not available for the development of renewable infrastructure.

Customer care centers to guide developers regarding renewable projects are not available.

Standards and quality control orders have been issued recently in 2018 and 2019 only, and there are insufficient institutions and laboratories to give standards/certification and validate the quality and suitability of using renewable technology.

Financial and fiscal obstacles

There are a few budgetary constraints such as fund allocation, and budgets that are not released on time to fulfill the requirement of developing the renewable sector.

The initial unit capital costs of renewable projects are very high compared to fossil fuels, and this leads to financing challenges and initial burden.

There are uncertainties related to the assessment of resources, lack of technology awareness, and high-risk perceptions which lead to financial barriers for the developers.

The subsidies and incentives are not transparent, and the ministry might reconsider subsidies for renewable energy because there was a sharp fall in tariffs in 2018.

Power purchase agreements (PPA) signed between the power purchaser and power generators on pre-determined fixed tariffs are higher than the current bids (Economic survey 2017–2018 and union budget on the 01.02.2019). For example, solar power tariff dropped to 2.44 INR (0. 04 USD) per unit in May 2017, wind power INR 3.46 per unit in February 2017, and 2.64 INR per unit in October 2017.

Investors feel that there is a risk in the renewable sector as this sector has lower gross returns even though these returns are relatively high within the market standards.

There are not many developers who are interested in renewable projects. While newly established developers (small and local developers) do not have much of an institutional track record or financial input, which are needed to develop the project (high capital cost). Even moneylenders consider it risky and are not ready to provide funding. Moneylenders look exclusively for contractors who have much experience in construction, well-established suppliers with proven equipment and operators who have more experience.

If the performance of renewable projects, which show low-performance, faces financial obstacles, they risks the lack of funding of renewable projects.

Financial institutions such as government banks or private banks do not have much understanding or expertise in renewable energy projects, and this imposes financial barriers to the projects.

Delay in payment by the SERCs to the developers imposes debt burden on the small and local developers because moneylenders always work with credit enhancement mechanisms or guarantee bonds signed between moneylenders and the developers.

Market obstacles

Subsidies are adequately provided to conventional fossil fuels, sending the wrong impression that power from conventional fuels is of a higher priority than that from renewables (unfair structure of subsidies)

There are four renewable markets in India, the government market (providing budgetary support to projects and purchase the output of the project), the government-driven market (provide budgetary support or fiscal incentives to promote renewable energy), the loan market (taking loan to finance renewable based applications), and the cash market (buying renewable-based applications to meet personal energy needs by individuals). There is an inadequacy in promoting the loan market and cash market in India.

The biomass market is facing a demand-supply gap which results in a continuous and dramatic increase in biomass prices because the biomass supply is unreliable (and, as there is no organized market for fuel), and the price fluctuations are very high. The type of biomass is not the same in all the states of India, and therefore demand and price elasticity is high for biomass.

Renewable power was calculated based on cost-plus methods (adding direct material cost, direct labor cost, and product overhead cost). This does not include environmental cost and shields the ecological benefits of clean and green energy.

There is an inadequate evacuation infrastructure and insufficient integration of the grid, which affects the renewable projects. SERCs are not able to use all generated power to meet the needs because of the non-availability of a proper evacuation infrastructure. This has an impact on the project, and the SERCs are forced to buy expensive power from neighbor states to fulfill needs.

Extending transmission lines is not possible/not economical for small size projects, and the seasonality of generation from such projects affect the market.

There are few limitations in overall transmission plans, distribution CapEx plans, and distribution licenses for renewable power. Power evacuation infrastructure for renewable energy is not included in the plans.

Even though there is an increase in capacity for the commercially deployed renewable energy technology, there is no decline in capital cost. This cost of power also remains high. The capital cost quoted by the developers and providers of equipment is too high due to exports of machinery, inadequate built up capacity, and cartelization of equipment suppliers (suppliers join together to control prices and limit competition).

There is no adequate supply of land, for wind, solar, and solar thermal power plants, which lead to poor capacity addition in many states.

Technological obstacles

Every installation of a renewable project contributes to complex risk challenges from environmental uncertainties, natural disasters, planning, equipment failure, and profit loss.

MNRE issued the standardization of renewable energy projects policy on the 11th of December 2017 (testing, standardization, and certification). They are still at an elementary level as compared to international practices. Quality assurance processes are still under starting conditions. Each success in renewable energy is based on concrete action plans for standards, testing and certification of performance.

The quality and reliability of manufactured components, imported equipment, and subsystems is essential, and hence quality infrastructure should be established. There is no clear document related to testing laboratories, referral institutes, review mechanism, inspection, and monitoring.

There are not many R&D centers for renewables. Methods to reduce the subsidies and invest in R&D lagging; manufacturing facilities are just replicating the already available technologies. The country is dependent on international suppliers for equipment and technology. Spare parts are not manufactured locally and hence they are scarce.

Awareness, education, and training obstacles

There is an unavailability of appropriately skilled human resources in the renewable energy sector. Furthermore, it faces an acute workforce shortage.

After installation of renewable project/applications by the suppliers, there is no proper follow-up or assistance for the workers in the project to perform maintenance. Likewise, there are not enough trained and skilled persons for demonstrating, training, operation, and maintenance of the plant.

There is inadequate knowledge in renewables, and no awareness programs are available to the general public. The lack of awareness about the technologies is a significant obstacle in acquiring vast land for constructing the renewable plant. Moreover, people using agriculture lands are not prepared to give their land to construct power plants because most Indians cultivate plants.

The renewable sector depends on the climate, and this varying climate also imposes less popularity of renewables among the people.

The per capita income is low, and the people consider that the cost of renewables might be high and they might not be able to use renewables.

The storage system increases the cost of renewables, and people believe it too costly and are not ready to use them.

The environmental benefits of renewable technologies are not clearly understood by the people and negative perceptions are making renewable technologies less prevalent among them.

Environmental obstacles

A single wind turbine does not occupy much space, but many turbines are placed five to ten rotor diameters from each other, and this occupies more area, which include roads and transmission lines.

In the field of offshore wind, the turbines and blades are bigger than onshore wind turbines, and they require a substantial amount of space. Offshore installations affect ocean activities (fishing, sand extraction, gravel extraction, oil extraction, gas extraction, aquaculture, and navigation). Furthermore, they affect fish and other marine wildlife.

Wind turbines influence wildlife (birds and bats) because of the collisions with them and due to air pressure changes caused by wind turbines and habitat disruption. Making wind turbines motionless during times of low wind can protect birds and bats but is not practiced.

Sound (aerodynamic, mechanical) and visual impacts are associated with wind turbines. There is poor practice by the wind turbine developers regarding public concerns. Furthermore, there are imperfections in surfaces and sound—absorbent material which decrease the noise from turbines. The shadow flicker effect is not taken as severe environmental impact by the developers.

Sometimes wind turbine material production, transportation of materials, on-site construction, assembling, operation, maintenance, dismantlement, and decommissioning may be associated with global warming, and there is a lag in this consideration.

Large utility-scale solar plants require vast lands that increase the risk of land degradation and loss of habitat.

The PV cell manufacturing process includes hazardous chemicals such as 1-1-1 Trichloroethene, HCL, H 2 SO 4 , N 2 , NF, and acetone. Workers face risks resulting from inhaling silicon dust. The manufacturing wastes are not disposed of properly. Proper precautions during usage of thin-film PV cells, which contain cadmium—telluride, gallium arsenide, and copper-indium-gallium-diselenide are missing. These materials create severe public health threats and environmental threats.

Hydroelectric power turbine blades kill aquatic ecosystems (fish and other organisms). Moreover, algae and other aquatic weeds are not controlled through manual harvesting or by introducing fish that can eat these plants.

Discussion and recommendations based on the research

Policy and regulation advancements.

The MNRE should provide a comprehensive action plan or policy for the promotion of the renewable sector in its regulatory framework for renewables energy. The action plan can be prepared in consultation with SERCs of the country within a fixed timeframe and execution of the policy/action plan.

The central and state government should include a “Must run status” in their policy and follow it strictly to make use of renewable power.

A national merit order list for renewable electricity generation will reduce power cost for the consumers. Such a merit order list will help in ranking sources of renewable energy in an ascending order of price and will provide power at a lower cost to each distribution company (DISCOM). The MNRE should include that principle in its framework and ensure that SERCs includes it in their regulatory framework as well.

SERCs might be allowed to remove policies and regulatory uncertainty surrounding renewable energy. SERCs might be allowed to identify the thrust areas of their renewable energy development.

There should be strong initiatives from municipality (local level) approvals for renewable energy-based projects.

Higher market penetration is conceivable only if their suitable codes and standards are adopted and implemented. MNRE should guide minimum performance standards, which incorporate reliability, durability, and performance.

A well-established renewable energy certificates (REC) policy might contribute to an efficient funding mechanism for renewable energy projects. It is necessary for the government to look at developing the REC ecosystem.

The regulatory administration around the RPO needs to be upgraded with a more efficient “carrot and stick” mechanism for obligated entities. A regulatory mechanism that both remunerations compliance and penalizes for non-compliance may likely produce better results.

RECs in India should only be traded on exchange. Over-the-counter (OTC) or off-exchange trading will potentially allow greater participation in the market. A REC forward curve will provide further price determination to the market participants.

The policymakers should look at developing and building the REC market.

Most states have defined RPO targets. Still, due to the absence of implemented RPO regulations and the inadequacy of penalties when obligations are not satisfied, several of the state DISCOMs are not complying completely with their RPO targets. It is necessary that all states adhere to the RPO targets set by respective SERCs.

The government should address the issues such as DISCOM financials, must-run status, problems of transmission and evacuation, on-time payments and payment guarantees, and deemed generation benefits.

Proper incentives should be devised to support utilities to obtain power over and above the RPO mandated by the SERC.

The tariff orders/FiTs must be consistent and not restricted for a few years.

Transmission requirements

The developers are worried that transmission facilities are not keeping pace with the power generation. Bays at the nearest substations are occupied, and transmission lines are already carrying their full capacity. This is due to the lack of coordination between MNRE and the Power Grid Corporation of India (PGCIL) and CEA. Solar Corporation of India (SECI) is holding auctions for both wind and solar projects without making sure that enough evacuation facilities are available. There is an urgent need to make evacuation plans.

The solution is to develop numerous substations and transmission lines, but the process will take considerably longer time than the currently under-construction projects take to get finished.

In 2017–2018, transmission lines were installed under the green energy corridor project by the PGCIL, with 1900 circuit km targeted in 2018–2019. The implementation of the green energy corridor project explicitly meant to connect renewable energy plants to the national grid. The budget allocation of INR 6 billion for 2018–2019 should be increased to higher values.

The mismatch between MNRE and PGCIL, which are responsible for inter-state transmission, should be rectified.

State transmission units (STUs) are responsible for the transmission inside the states, and their fund requirements to cover the evacuation and transmission infrastructure for renewable energy should be fulfilled. Moreover, STUs should be penalized if they fail to fulfill their responsibilities.

The coordination and consultation between the developers (the nodal agency responsible for the development of renewable energy) and STUs should be healthy.

Financing the renewable sector

The government should provide enough budget for the clean energy sector. China’s annual budget for renewables is 128 times higher than India’s. In 2017, China spent USD 126.6 billion (INR 9 lakh crore) compared to India’s USD 10.9 billion (INR 75500 crore). In 2018, budget allocations for grid interactive wind and solar have increased but it is not sufficient to meet the renewable target.

The government should concentrate on R&D and provide a surplus fund for R&D. In 2017, the budget allotted was an INR 445 crore, which was reduced to an INR 272.85 crore in 2016. In 2017–2018, the initial allocation was an INR 144 crore that was reduced to an INR 81 crore during the revised estimates. Even the reduced amounts could not be fully used, there is an urgent demand for regular monitoring of R&D and the budget allocation.

The Goods and Service Tax (GST) that was introduced in 2017 worsened the industry performance and has led to an increase in costs and poses a threat to the viability of the ongoing projects, ultimately hampering the target achievement. These GST issues need to be addressed.

Including the renewable sector as a priority sector would increase the availability of credit and lead to a more substantial participation by commercial banks.

Mandating the provident funds and insurance companies to invest the fixed percentage of their portfolio into the renewable energy sector.

Banks should allow an interest rebate on housing loans if the owner is installing renewable applications such as solar lights, solar water heaters, and PV panels in his house. This will encourage people to use renewable energy. Furthermore, income tax rebates also can be given to individuals if they are implementing renewable energy applications.

Improvement in manufacturing/technology

The country should move to domestic manufacturing. It imports 90% of its solar cell and module requirements from Malaysia, China, and Taiwan, so it is essential to build a robust domestic manufacturing basis.

India will provide “safeguard duty” for merely 2 years, and this is not adequate to build a strong manufacturing basis that can compete with the global market. Moreover, safeguard duty would work only if India had a larger existing domestic manufacturing base.

The government should reconsider the safeguard duty. Many foreign companies desiring to set up joint ventures in India provide only a lukewarm response because the given order in its current form presents inadequate safeguards.

There are incremental developments in technology at regular periods, which need capital, and the country should discover a way to handle these factors.

To make use of the vast estimated renewable potential in India, the R&D capability should be upgraded to solve critical problems in the clean energy sector.

A comprehensive policy for manufacturing should be established. This would support capital cost reduction and be marketed on a global scale.

The country should initiate an industry-academia partnership, which might promote innovative R&D and support leading-edge clean power solutions to protect the globe for future generations.

Encourage the transfer of ideas between industry, academia, and policymakers from around the world to develop accelerated adoption of renewable power.

Awareness about renewables

Social recognition of renewable energy is still not very promising in urban India. Awareness is the crucial factor for the uniform and broad use of renewable energy. Information about renewable technology and their environmental benefits should reach society.

The government should regularly organize awareness programs throughout the country, especially in villages and remote locations such as the islands.

The government should open more educational/research organizations, which will help in spreading knowledge of renewable technology in society.

People should regularly be trained with regard to new techniques that would be beneficial for the community.

Sufficient agencies should be available to sell renewable products and serve for technical support during installation and maintenance.

Development of the capabilities of unskilled and semiskilled workers and policy interventions are required related to employment opportunities.

An increase in the number of qualified/trained personnel might immediately support the process of installations of renewables.

Renewable energy employers prefer to train employees they recruit because they understand that education institutes fail to give the needed and appropriate skills. The training institutes should rectify this issue. Severe trained human resources shortages should be eliminated.

Upgrading the ability of the existing workforce and training of new professionals is essential to achieve the renewable goal.

Hybrid utilization of renewables

The country should focus on hybrid power projects for an effective use of transmission infrastructure and land.

India should consider battery storage in hybrid projects, which support optimizing the production and the power at competitive prices as well as a decrease of variability.

Formulate mandatory standards and regulations for hybrid systems, which are lagging in the newly announced policies (wind-solar hybrid policy on 14.05.2018).

The hybridization of two or more renewable systems along with the conventional power source battery storage can increase the performance of renewable technologies.

Issues related to sizing and storage capacity should be considered because they are key to the economic viability of the system.

Fiscal and financial incentives available for hybrid projects should be increased.

The renewable sector suffers notable obstacles. Some of them are inherent in every renewable technology; others are the outcome of a skewed regulative structure and marketplace. The absence of comprehensive policies and regulation frameworks prevent the adoption of renewable technologies. The renewable energy market requires explicit policies and legal procedures to enhance the attention of investors. There is a delay in the authorization of private sector projects because of a lack of clear policies. The country should take measures to attract private investors. Inadequate technology and the absence of infrastructure required to establish renewable technologies should be overcome by R&D. The government should allow more funds to support research and innovation activities in this sector. There are insufficiently competent personnel to train, demonstrate, maintain, and operate renewable energy structures and therefore, the institutions should be proactive in preparing the workforce. Imported equipment is costly compared to that of locally manufactured; therefore, generation of renewable energy becomes expensive and even unaffordable. Hence, to decrease the cost of renewable products, the country should become involve in the manufacturing of renewable products. Another significant infrastructural obstacle to the development of renewable energy technologies is unreliable connectivity to the grid. As a consequence, many investors lose their faith in renewable energy technologies and are not ready to invest in them for fear of failing. India should work on transmission and evacuation plans.

Inadequate servicing and maintenance of facilities and low reliability in technology decreases customer trust in some renewable energy technologies and hence prevent their selection. Adequate skills to repair/service the spare parts/equipment are required to avoid equipment failures that halt the supply of energy. Awareness of renewable energy among communities should be fostered, and a significant focus on their socio-cultural practices should be considered. Governments should support investments in the expansion of renewable energy to speed up the commercialization of such technologies. The Indian government should declare a well-established fiscal assistance plan, such as the provision of credit, deduction on loans, and tariffs. The government should improve regulations making obligations under power purchase agreements (PPAs) statutorily binding to guarantee that all power DISCOMs have PPAs to cover a hundred percent of their RPO obligation. To accomplish a reliable system, it is strongly suggested that renewables must be used in a hybrid configuration of two or more resources along with conventional source and storage devices. Regulatory authorities should formulate the necessary standards and regulations for hybrid systems. Making investments economically possible with effective policies and tax incentives will result in social benefits above and beyond the economic advantages.

Availability of data and materials

Not applicable.

Abbreviations

Accelerated depreciation

Billion units

Central Electricity Authority of India

Central electricity regulatory commission

Central financial assistance

Expression of interest

Foreign direct investment

Feed-in-tariff

Ministry of new and renewable energy

Research and development

Renewable purchase obligations

State electricity regulatory

Small hydropower

Terawatt hours

Waste to energy

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The authors gratefully acknowledge the support provided by the Research Consultancy Institute (RCI) and the department of Electrical and Computer Engineering of Effat University, Saudi Arabia.

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Kumar. J, C.R., Majid, M.A. Renewable energy for sustainable development in India: current status, future prospects, challenges, employment, and investment opportunities. Energ Sustain Soc 10 , 2 (2020). https://doi.org/10.1186/s13705-019-0232-1

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Emily Ghosh: Working at SpaceX, and Researching Renewable Energy Technologies for a Cleaner Environment

By Chloe Cramutola

They tasked her to build a vacuum chamber she knew nothing about –– but she realized the project paired her love for physics with hands-on learning. 

“I had to figure out how to fix it, and I was given a lot of autonomy as a freshman,” said Emily Ghosh, a doctoral candidate who started her PhD in 2022 at Boston University’s Materials Science and Engineering division. “I had really good lab mentors. So they made it easy to feel like I could figure it out.”

Ghosh grew up in Boston, so she spent most of her life near BU. In 2016, she graduated from the university with her bachelor’s in physics and a minor in astronomy. It took her one academic year, from 2018-2019, to receive her master’s degree in MSE.

She developed her skills in physics in her undergraduate years, researching alongside Dr. Karl Ludwig . After working with the vacuum chamber, Ghosh realized she could do more with applied physics.

“I just really liked physics,” she said. “I had a really good high school teacher in physics. And when you have a really good teacher, and they make a subject so fun, and you fall in love with it that way.”

From 2019-2022, Ghosh worked at Space Exploration Technologies Corp., or SpaceX.

Some of her duties included propulsion engineering and additive manufacturing, where she worked primarily with metal additive, alloy development, qualification and failure analysis for crew missions.

“It’s really fast paced, and you get to learn a lot,” said Ghosh. “You get to learn from a lot of people, you get thrown into difficult problems where you have to learn how to fix things. And it was definitely hard, but rewarding.”

She had the opportunity to help develop the qualification process, where designs have to be approved, she said, and certain properties must be met to prove that the component will survive.

“It’s a relatively new process,” Ghosh said. “So [just] making sure that there’s a standard way to identify when a part is ready to fly, or when it’s not ready to fly… my team got to do that.”

After working at SpaceX, Ghosh realized she shouldn’t get bogged down in the details.

“The main thing I learned was to make sure you have the big picture in mind,” Ghosh said. “It can get really easy to get stuck in the little details… but for the immediate problem at hand, you’ve got to think ‘big picture’ and find the thing that’s most important to tackle and work your way from there.”

Ghosh is now focused on progressing her PhD thesis, which involves solid oxide electrolysis cells, or SOECs. She conducts her research with the help of MSE Associate Division Head Soumendra Basu , Professor Uday Pal and Professor Srikanth Gopalan .

SOECs, Ghosh explained, take water and split them into hydrogen and oxygen when electricity is used.

If the cells are worked in reverse, the hydrogen and oxygen can actually be used to make electricity. In that case, the cells are reversible solid oxide cells, RSOCs. These cells are important for renewable energies, she said, because hydrogen or electricity can be made and used for energy storage in renewable energy systems.

Most renewable energy is from wind or solar sources, but the problem arises when a lot is being produced at the wrong time.

“So you’re producing wind and solar energy during the day, but you’re not really producing much, specifically with solar, during the nighttime because it’s dark,” she said. “But you actually need all the electricity during the night.

Ghosh explained that SOECs are helpful because they allow for the storage of energy within the chemical bonds.

“Then when you need the energy back, you can reverse the cell and dump out all the electricity when you need it,” she added.

This is also helpful, she said, because of the production of hydrogen, which can replace fossil fuels

Right now, Ghosh’s work is looking at and understanding how RSOCs degrade over time. She asks questions like, “What can we do or add to the system to make their lifetime longer and their efficiency higher?” and “How does that actually affect the degradation of the cells?”

“There’s certain things that are known about how the cells degrade, but not the actual mechanisms by which they happen,” she said. “So that’s what my research is right now. Investigating mechanisms of degradation.”

While she is focusing on renewable energy on Earth, her interest in space and astronomy keeps her wondering, “How do you develop more renewable energies for space travel?”

Still, she said she’ll continue working on the ground her feet stand on –– making energy more accessible for everyday people.

“That’s actually why I liked working at the national labs too, because I think they really care more about trying to develop systems that are… accessible,” said Ghosh. “You can have all these different topics that are really fancy and they’re very niche, but at the end of the day, something needs to be available to the common person.”

From 2016-2018, Ghosh also worked at the Lawrence Berkeley National Laboratory and the National Energy Technology Laboratory.

“It’s really fun working at national labs,” she said. “It’s really different from academia because you get to contextualize what you’re working on [in real-world applications].”

When she’s not researching, she’s teaching and mentoring. 

As an undergraduate Learning Assistant, Ghosh taught electromagnetism classes for engineers and pre-med students.

“As a sophomore college student, that was a little bit terrifying, but I really liked it,” she said. “And I kept teaching for that, and that kind of went into the mentorship program that we started in the physics department.”

Before she started the physics mentorship program, she said, there was little guidance for how to navigate physics along with the transition from high school to college.

“In a classroom, it’s really hard but key to have the push to make it equal –– to give everybody that opportunity and have everything be equitable,” she said. “If that means trying to have different ways of conveying that information to students, that is really important.”

Now, Ghosh grades and runs discussion sections for the Kinetics and Materials class as a Supplemental Instructor.

She is also the president of the BU Materials Science and Engineering Graduate Students Association. After finding that the program was on hiatus, she decided to bring it back to life –– to show others what the division is all about.

It is the student chapter for two of the main research and professional organizations in Boston, Materials Research Society and American Society of Materials International. Ghosh is also on the board for the professional ASM International Boston chapter. 

She strives to connect students with research and industry professionals and BU MSE alumni through MSE-GSA and ASM Boston.

“I really love the idea of having a community where you don’t feel alone and where you feel supported,” she said. “We are a small [division], we’re tight-knit, so let’s give people a chance to know about things, and not isolate ourselves from the rest of the school.”

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BHP is betting big on a renewable energy future, and it has Anglo American's copper mines in its sights

Analysis BHP is betting big on a renewable energy future, and it has Anglo American's copper mines in its sights

There's a barely concealed hint of danger in the Arizona desert that newcomers ignore at their peril.

An arid country, with soaring temperatures in summer and bitterly cold winds in winter, it is seared into the American psyche as the notorious scene of the 1881 shootout at the OK Corral, when Wyatt Earp survived a gunfight that left three men dead.

In more recent times, given its lack of rain, it has become famous as a massive graveyard for aircraft.

It was in this harsh land almost three decades ago that BHP set its sights on a bold copper play, snapping up Magma Copper for a surprisingly rich $3.2 billion.

The 1996 purchase was a disaster. Within three years it would cost the company its entire outlay and, along with several other poorly timed decisions that resulted in heavy write-downs, the jobs of chairman Jerry Ellis and then chief executive John Prescott.

By the turn of the century, BHP was on its knees. Commodity prices were trending ever lower and the dotcom boom had relegated the company, and by proxy the nation, into a second-tier "old world" economy status.

The new millennium brought forth a new era. China's sudden transition from agrarian poverty to manufacturing powerhouse to global superpower required just what BHP produced by the shipload. Iron ore and energy.

That helped transform BHP into the world's biggest miner and, by definition, Australia's biggest company.

Now, the mining giant is embarking on a new era. To achieve its ends, it has launched an audacious $60 billion takeover of Anglo American, the London-based miner with operations spanning the globe.

It may be best known for its diamonds. But BHP chief Mike Henry has his mind set on a far richer prize; the company's South American copper mines.

Show me the copper

Despite the Arizona disaster, BHP never gave up on copper. It owns a majority slice of Escondida, one of the world's biggest copper mines, not far from two of Anglo American's huge operations in Chile.

For the past few years, it has been scouring the globe for what it terms "tier one" copper operations – large mines with a long life span.

Why? Because The Big Australian long ago embraced the concept of a low emissions future.

Back in 2010, former boss Marius Kloppers even urged the Gillard government to implement a carbon price , at a time when the then opposition openly questioned whether global warming was real.

As the urgency around the energy transition has gathered pace, BHP has shied away from the race for more exotic "critical minerals" such as lithium and rare earths.

Instead, it intends to capitalise on the switch to a cleaner atmosphere by chasing something far more basic.

Copper, the third most widely used metal after iron and aluminium, has been a staple for humanity for thousands of years. Long referred to as Doctor Copper – because it is a barometer of economic health – it could well be the metal most in demand during the next few decades.

At least that's what Mr Henry is banking on. A surge this year has seen the metal's price heading back towards record levels, possibly breaking through $US5 per pound in the next few months.

The sudden urge to alleviate a climate disaster and the adoption of more ambitious zero emissions targets by developed nations will require a ramping up in clean energy production and transmission. Add to that, the boom in artificial intelligence and the race for domination in electric vehicles.

All require copper.

The scale of last week's takeover offer may have been unexpected, but BHP's latest move shouldn't have come as a complete surprise.

As a prelude to the ANZAC Day assault on Anglo American, the company last year forked out $6.4 billion for copper and nickel producer OZ Minerals, hinting that copper supply would be unable to meet demand in coming years.

What happened to the fossil fuel?

Deals like this don't happen overnight. They can be years in the planning.

Last week's sudden assault on Anglo American was merely the second phase in a carefully executed strategy to embrace the future.

Former prime minister Tony Abbott has long labelled climate change as "absolute crap" , a sentiment reinforced by the unedifying spectacle of then treasurer Scott Morrison brandishing a lump of coal in parliament and ridiculing his opponents who suffered from "coalaphobia".

But even back then, BHP most likely was planning an exit from fossil fuels.

In the past three years, it has punted almost all its steaming coal mines – the coal used for generating electricity – and offloaded more than $15 billion worth of oil and gas assets to Woodside Petroleum.

While these sale transactions do nothing to alleviate climate change pressure as the old mines and wells will continue to operate under the new owners, it is clear the company sees them having a limited life span.

The world's biggest miner no longer sees a future for fossil fuels and instead is banking on renewables, battery-powered vehicles and electrification.

Another era, another transformation

As a corporation, BHP has made some mighty big punts. Most of them have been transformational. A few, like the Magma Copper deal in Arizona, were disastrous.

Since the ANZAC Day announcement, investors have wiped around 4 per cent from the value of the company.

If they were concerned about the scale of the original offer, given Anglo American has rejected the first approach, there are concerns it may overreach with a counter offer.

It's worth remembering though that back in 2008, it stumped up $60 billion to take out Rio Tinto. That deal never got across the line after being knocked back twice by competition regulators across the globe.

Then there was the $60 billion bid for Potash Corp of Saskatchewan which failed after being spurned by the Canadian government.

But it has a long history of reinvention. From its beginnings in 1885 in outback New South Wales, it catapulted itself into an industrial powerhouse with steelworks in Newcastle, Port Kembla and Whyalla. It discarded them in 2002.

It bought General Electric's global coal operations in 1984, becoming a leading coal exporter, expanded into gold and then later offloaded it.

For Anglo American directors, last week's offer must have delivered a sigh of relief. A serial underperformer for years, it has activist funds circling and, as one wag put it recently, it may produce diamonds and platinum but its share price performs like lead.

Still, while the deal may make sense, it clearly has investors concerned. Commodity prices can be fickle and huge debt-driven purchases can bring even the mightiest undone.

Whichever way you look at it, BHP has slapped down climate change deniers with a $60 billion bet on a renewable energy future.

Ultimately, it's all about money. Survival demands adaptation and allowing facts to trump ideology. BHP has opted for yet another transformation, this time for an energy transition.

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A pretty big deal: Microsoft and Brookfield to develop 10.5 GW of renewables in ‘largest ever’ corporate PPA

Canada’s Brookfield Asset Management and Microsoft have announced the signing of a global renewable energy framework agreement outlining plans to develop more than 10.5 gigawatts of new renewable energy capacity. This agreement is almost eight times larger than the biggest single corporate power purchase agreement (PPA) ever signed.

The agreement is meant to contribute to Microsoft’s goal of having 100% of its electricity consumption matched by zero-carbon energy purchases by 2030, with the demand for cloud services growing. Having contracted almost one GW of renewable capacity to date outside of the agreement, the agreement builds on the existing collaboration, the companies said.

The agreement will not only focus on wind and solar but also “new or impactful carbon-free energy generation technologies,” which were not expanded upon by the companies.

According to the Financial Times, which first broke the news , the new capacity could cost an estimated $10 billion. Per BNEF tracked data and the Financial Times, the largest PPA signed between two separate independent parties is 1.3 GW, between mining company Rio Tinto and an Australian solar farm.

The companies say the agreement provides a pathway for Brookfield to deliver over 10.5 GW of new renewable energy capacity between 2026 and 2030 in the U.S. and Europe. The agreement includes the potential to increase its scope to deliver additional renewable energy capacity within the U.S. and Europe, and beyond to Asia-Pacific, India, and Latin America, and the companies say it provides an incentive for Brookfield to build a large portfolio of new renewable energy projects over the coming years.

Join us at GridTECH Connect California , June 24-26, 2024, in Newport Beach, CA! With some of the most ambitious sustainability and clean energy goals in the country, California is at the cutting edge of the energy transition while confronting its most cumbersome roadblocks. From electric vehicles to battery storage, microgrids, community solar, and everything in between, attendees will collaborate to advance interconnection procedures and policies in California.

“As the global trend of digitalization and the adoption of AI continues to drive growth in demand for electricity, we are thrilled to collaborate with Microsoft to support their customer demand with the build-out of over 10.5 gigawatts of renewable energy capacity,” said Connor Teskey, CEO of Brookfield Renewable and President of Brookfield Asset Management. “This first-of-its-kind agreement, which is almost eight times larger than the largest single corporate PPA ever signed, is a testament to our ability to reliably deliver clean power solutions at scale to our corporate partners and accelerate the energy transition.”

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Steven Rinella of ‘MeatEater’ serves up cougar, criticizes opening public lands for renewable energy

The star of the netflix series worries biden’s new incentives will take away wildlife habitat with little to show for it..

(Chris Gill | MeatEater) Steven Rinella hunts for mountain goat in Montana snow in 2020 for a Season 10 episode of his Netflix hunting and cooking show "MeatEater."

Cougar meat tastes like pork, using dogs to tree bears isn’t cruel and renewable energy is the next big threat to wildlife habitat.

Steven Rinella, the star of the hunting-centric Netflix television series “MeatEater” and a podcast by the same name, made an appearance in Utah on Monday. He didn’t come to bag any big game, but he did shoot straight.

“I think that humans are kind of playing God,” he told The Tribune, “when they declare that certain native wildlife should not be on a landscape.”

Rinella made a stop at the Union Events Center on Monday to promote his newest book, “The MeatEater Outdoor Cookbook.” During the talk in front of a crowd of about 600 and in an interview, Rinella espoused his beliefs on the intersection of hunting and wildlife management.

Rinella has been hunting nearly all his life. His popular “MeatEater” show, which focuses on cooking wild game almost as much as tracking it, is in its 10th season. It follows him and often guest hunters — including Joe Rogan — to a variety of locales, from a bear hunt in the Alaskan wilderness to the pursuit of fox squirrels in his native Michigan and a wild pig roast in New Zealand. Following his mantra of “Live to hunt, and hunt to live,” his cookbook includes recipes like beaver confit toast and smoked moose-nose hash.

Yet Rinella has never fired his rifle or shot his bow in Utah.

(Seth Morris | MeatEater) Steven Rinella shows off the antlers of a moose he hunted in Alaska last year for a season of his Netflix hunting and cooking show "MeatEater."

He said he has tried for 17 years to get a permit, applying for swan, deer and elk tags in that time. The permitting system heavily favors locals, however, and therefore puts Rinella, who lives in Montana with his wife and three kids, at a disadvantage.

“Utah,” he said, “is not a part of my hunting repertoire.”

Admittedly no expert on the state’s hunting policies, Rinella, 49, still had some opinions on general practices. For example, he has no problems with hunting animals he said are often held up as “sacred predators.” They include, among others, bears, wolves, coyotes and mountain lions. But, he said, it needs to be done in a sustainable way that keeps populations in check without depleting them.

Two days before the end of the 2023 general legislative session, state lawmakers agreed to allow year-round hunting of mountain lions in Utah. Hunters do not need a special permit, can use any weapon that is not automatic and face no limit to the number of cats they can kill. A conservation group has since filed a lawsuit to reverse the policy changes, which it says could lead to the extinction of cougars within the state in three years.

Rinella understandably did not want to step into the midst of that conflict. He did say, however, that he believes hunting mountain lions can be good for everyone — as long as proper guardrails are in place.

“It’s been demonstrated that we can have large predators on a landscape and manage them in a way that’s compatible, with limited harvests for hunters,” he said. “So hunters win, predators win and the general public that wants to know there are large predators on the landscape, they win. To me, it’s a great place to land.”

Similarly, Rinella has no problem with the state’s practice of allowing dogs and baiting to be used in bear hunts as long as it’s done in accordance with the law. He pointed out that dogs aren’t that dissimilar to wolves and other natural predators of bears and that Native Americans have used dogs and bait to hunt bears for centuries.

(MeatEater) Steven Rinella shows off a fox squirrel he shot in Michigan for an episode of his Netflix hunting and cooking show "MeatEater." Rinella included a fox squirrel recipe in his new cookbook "MeatEater Outdoor Cooking."

Rinella is keen on leaning on history to inform future wildlife management policies. It’s why he believes federal wilderness areas should remain off-limits to electric bikes and why states were “prescient” when they banned hunting with drones. The use of drones, he said, would make hunters more efficient but then would also cut down on the number of people who would have the opportunity to hunt each season. And e-bikes open the door to other motorized vehicles.

Drones and e-bikes are just a couple of inventions that have increasingly tilted the odds toward hunters. During the question-and-answer portion of Monday’s show, panelists — among whom were Utah-based hunting influencers Casey Butler and Brian McElrea — were asked what has been the most noticeable change to hunting in their lifetimes. All gave variations of the same response: technology.

“An increase in technology, remote trail cameras and all that stuff,” Ryan Callaghan, director of conservation for “MeatEater,” said. “Site imaging when you’re fishing — all of that has greatly changed the game.”

Looking forward, however, Rinella said he fears the most pressing issue for hunters and fishers won’t be new inventions, but rather an age-old struggle: the reduction in wildlife habitat and hunting grounds. Heavy on his mind at the moment is a rule President Joe Biden’s administration finalized two weeks ago that promotes the development of clean energy sources on federal land . The rule reduces right of way fees for renewable energy projects on public lands by up to 80% and streamlines their application reviews.

In addition, the Bureau of Land Management recently closed public comment on what is being called the Western Solar Plan . The plan could open between 8 million and 55 million acres of BLM land to solar energy development.

“The biggest threat to public lands right now,” he said, “is renewable energy.”

Rinella is no climate change denier. In fact, he has historically been a strong proponent of renewable energy. However, he said, no guarantees exist that the United States will be able to reduce its carbon emissions enough to slow or halt climate change, especially since other countries contribute to the problem. If the effort doesn’t work, he reasoned, the U.S. will have carved into wilderness land and resources that animals could otherwise use to survive the stressful changes to their environment.

China is currently the world’s largest producer of carbon emissions, according to Statista. The U.S. is the runner-up, producing half as much as China but still roughly 15-17% of the world’s carbon emissions.

“To take away our habitats in the hopes that we might have a chance of mitigating some of this global issue?” Rinella told The Tribune. “It just makes me nervous.”

Rinella also voiced that opinion in a recent episode of the “MeatEater” podcast. As a rebuttal, Callaghan pointed out that in addition to slowing climate change, the public could gain back the 23 million acres of public land that are already tied up in oil and gas leases.

“Why would we not transition to building renewable infrastructure?” he asked. “Why would we stick with fossil fuels when we have the opportunity to build infrastructure, to build utility scale projects that produce renewable energy with no carbon emissions?

“There’s always trade-offs.”

A decision on how many acres the BLM will open up is expected by the end of the year.

Rinella said he finds it interesting how the issue of renewable energy on public lands has suddenly put people who were fighting side-by-side for environmental conservation at odds with one another. But he knows exactly where he stands on the issue: He’s against ceding pristine wildlife habitat to any kind of development, even when it’s designed to try to save the planet.

“I don’t think, like, ‘Someday there’ll be no roads.’ That doesn’t keep me up at night,” he said. “But what keeps me up at night is running out of wild places.”

Above all else, Rinella wants to protect the places where he can hunt mule deer and elk and the occasional cougar or black bear without worrying about putting the population off-balance. Then he can grill up the meat, from leg to liver, into a meal for his family.

And, for anyone wondering, if cougar meat tastes like pork, Rinella said, then bear is more like beef. And, according to his new cookbook, it’s perfect for Sichuan skewers and bear-grease biscuits.

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