10 Biggest Renewable Energy Companies in the World

These giants could benefit from global trends to go green and a new U.S. act

Renewable energy, once a niche segment of the broader energy industry, is growing rapidly to become an important source of power in many regions and nations across the globe. Companies within the sector provide a variety of clean energy including solar, wind, hydroelectric, geothermal, and biomass. The largest renewable energy companies are headquartered in Spain and Denmark, but other big players are based in China, the U.S., and Canada.

These are the 10 biggest renewable energy companies by 12-month trailing (TTM) revenue. Some companies outside the U.S. report profits semi-annually, so the 12-month trailing data may be older than it is for companies that report quarterly. This list is limited to companies that are publicly traded in the U.S. or Canada, either directly or through ADRs. All figures are as of Dec. 15, 2022.

Some of the stocks below are only traded over-the-counter (OTC) in the U.S., not on exchanges. OTC stocks often carry higher trading costs than equities listed on exchanges. This can lower or even outweigh potential returns.

Key Takeaways

  • Once a niche segment, renewable energy is rapidly becoming an important source of power around the world.
  • The largest renewable energy companies are headquartered in Spain and Denmark, but other players among the Top Ten are based in China, the U.S., and Canada.
  • The $1.2 Trillion Infrastructure Investment and Jobs Act, signed into law on Nov. 15, 2021, could well benefit many of these companies, as it authorizes spending for many clean-energy initiatives.

1. General Electric Co. (GE)

  • Revenue (TTM): $75.07 billion
  • Net Income (TTM): -$5.84 billion
  • Market Cap: $89.02 billion
  • 1-Year Trailing Total Return: -11.09%
  • Exchange: New York Stock Exchange

General Electric is one of the largest American multinational corporations. It is also one of the Fortune 500 companies. GE operates in multiple industries, including health care and aviation. But is it best known for its innovations in power and renewable energy. In fact, it is one of the key players in green energy solutions. It has made key strides in the development of wind turbines and energy-efficient software.

2. Iberdrola SA (IBDRY)

  • Revenue (TTM): $53 billion
  • Net Income (TTM): $4.99 billion
  • Market Cap: $71.81 billion
  • 1-Year Trailing Total Return: 12.07%
  • Exchange: OTC

Iberdrola is a Spain-based multinational electric utility company. The company engages in the generation, distribution, and trading of electricity. It specializes in clean energy, including onshore and offshore wind, pumped hydro, solar photovoltaic, and battery storage. Iberdrola operates in the U.S., U.K., Spain, Mexico, and Brazil and has an international presence in Portugal, Greece, Japan, and Australia, to name a few.

3. Constellation Energy Corp. (CEG)

  • Revenue (TTM): $22.64 billion
  • Net Income (TTM): -$151 million
  • Market Cap: $29.71 billion
  • 1-Year Trailing Total Return: 113.65%
  • Exchange: Nasdaq

Constellation Energy is headquartered in Baltimore but has offices across the United States. It provides a variety of energy sources, including electrical, nuclear, and natural gas services. The company's client base includes business, residential, and public sector customers. According to its website, Constellation is the largest carbon-free energy producer in the United States.

4. NextEra Energy (NEE)

  • Revenue (TTM): $19.84 billion
  • Net Income (TTM): $3.83 billion
  • Market Cap: $172.98 billion
  • 1-Year Trailing Total Return: -1.28%
  • Exchange: New York Stock Exchange

NextEra is a diverse company that provides wholesale power generation while operating power plants. Its customers include retail and municipal electricity providers, industrial corporations, and power cooperatives. The company invests billions in renewable energy sources and is one of the world's largest wind and solar energy generators. This is in conjunction with other energy sources in its portfolio, such as nuclear power and natural gas.

5. Vestas Wind Systems A/S (VWDRY)

  • Revenue (TTM): $15.46 billion
  • Net Income (TTM): -$1.09 billion
  • Market Cap: $29.58 billion
  • 1-Year Trailing Total Return: 0%
  • Exchange: OTC

Vestas Wind Systems is a Denmark-based wind energy company. It develops, manufactures, and installs wind turbines. The company also operates a service segment that provides service contracts, spare parts, and related activities. The company has installed wind turbines in scores of countries across the globe.

The $1.2 Trillion Infrastructure Investment and Jobs Act, signed into law by President Joe Biden, Nov. 15, 2021, $65 billion to update power lines and provide clean energy, $7.5 billion for a nationwide network of electric vehicle charging stations, and $7.5 billion for electric school buses.


6. Jinko Solar Holding Co. Ltd. (JKS)

  • Revenue (TTM): $10.58 billion
  • Net Income (TTM): $27.95 million
  • Market Cap: $2.50 billion
  • 1-Year Trailing Total Return: 10.31%
  • Exchange: New York Stock Exchange

Jinko Solar is a China-based solar power company. It manufactures solar energy products, including silicon ingots and wafers, solar cells, and solar modules. The company also provides solar system integration services. Jinko sells its products to customers in the U.S., Europe, Asia, Africa, and Latin America.

7. Canadian Solar Inc. (CSIQ)

  • Revenue (TTM): $7.03 billion
  • Net Income (TTM): $188.1 million
  • Market Cap: $2.26 billion
  • 1-Year Trailing Total Return: 13.62%
  • Exchange: Nasdaq

Canadian Solar is a Canada-based solar energy company. It designs and manufactures solar photovoltaic modules and provides energy solutions. The company also operates solar power projects and offers operation and maintenance services. Canadian Solar serves customers in more than 160 countries.

8. Brookfield Renewable Corp. (BEPC)

  • Revenue (TTM): $4.76 billion
  • Net Income (TTM): $887.55 million
  • Market Cap: $7.50 billion
  • 1-Year Trailing Total Return: 3.92%
  • Exchange: New York Stock Exchange

Brookfield Renewable is a Canada-based limited partnership that owns and operates renewable power assets. The company owns a portfolio of renewable power-generating facilities throughout the world. It is primarily focused on hydroelectric power operations, but also owns and operates wind, solar, distributed generation, and storage facilities.

9. Daqo New Energy Corp. (DQ)

  • Revenue (TTM): $4.14 biilion
  • Net Income (TTM): $1.63 billion
  • Market Cap: $3.46 billion
  • 1-Year Trailing Total Return: 10.16%
  • Exchange: New York Stock Exchange

Daqo New Energy provides the solar PV industry with high-purity polysilicon, calling itself one of the world's low-cost producers. Manufacturing takes place in Xinjiang, China, with a production capacity of 70,000 metric tons. Once produced, Daqo's polysilicon is used to make solutions for solar power, such as cells and wafers. Founded in 2008, Daqo New Energy is headquartered in Shanghai.

10. Algonquin Power & Utilities Corp. (AQN)

  • Revenue (TTM): $3.35 billion
  • Net Income (TTM): $39.31 million
  • Market Cap: $6.59 billion
  • 1-Year Trailing Total Return: -42.19%
  • Exchange: Toronto Stock Exchange

Based in Oakville, Ontario, Canada, Algonquin Power & Utilities provides rate-regulated utility and renewable energy services to more than one million consumers across North America. Services include natural gas, water, and electricity. This is done through Liberty, Algonquin's operating business. It also invests in clean and renewable energy sources, including solar, wind, hydro, and thermal. The company boasts more than $16 million in assets globally.

Article Sources
Investopedia requires writers to use primary sources to support their work. These include white papers, government data, original reporting, and interviews with industry experts. We also reference original research from other reputable publishers where appropriate. You can learn more about the standards we follow in producing accurate, unbiased content in our editorial policy.
  1. International Monetary Fund. "Markets: Exchange or Over-the-Counter."

  2. National Conference of State Legislatures. "Infrastructure Investment and Jobs Act: Implementation and Key Resources."

  3. General Electric. "Fortune 500."

  4. GE. "About Us."

  5. Iberdrola. "The Utility of the Future."

  6. Constellation. "A Leader in The Clean Energy Transition."

  7. NextEra Energy. "Who We Are."

  8. Vestas. "This is Vestas."

  9. Congress.gov. "H.R. 3684 - Infrastructure Investment and Jobs Act."

  10. Jinko Solar. "About Us: Company."

  11. Canadian Solar. "About Us."

  12. Brookfield. "Overview."

  13. Daqo New Energy. "Company Introduction."

  14. Algonquin. "Who We Are."

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