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10 Biggest Renewable Energy Companies

IBDRY, VWDRY, and GCTAY lead the 10 biggest renewable energy companies list

Renewable energy, once a niche segment of the broader energy industry, is growing rapidly to become an important source of energy in many regions and nations across the globe. Companies within the sector provide clean and renewable 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 instead of quarterly, 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. Data is courtesy of, unless otherwise noted.1 All figures are as of September 11.


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


#1 Iberdrola SA (IBDRY)

  • Revenue (TTM): $38.3 billion
  • Net Income (TTM): $4.0 billion
  • Market Cap: $77.9 billion
  • 1-Year Trailing Total Return: 27.9%
  • 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 wind, mini-hydro, solar thermal, photovoltaic, and biomass. Iberdrola operates in the U.S., U.K., Spain, Portugal, and Latin America.


#2 Vestas Wind Systems A/S (VWDRY)

  • Revenue (TTM): $15.6 billion
  • Net Income (TTM): $563.2 million
  • Market Cap: $29.4 billion
  • 1-Year Trailing Total Return: 91.6%
  • Exchange: OTC

Vestas 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.


#3 Siemens Gamesa Renewable Energy SA (GCTAY)

  • Revenue (TTM): $10.6 billion
  • Net Income (TTM): -$830.5 million
  • Market Cap: $17.4 billion
  • 1-Year Trailing Total Return: 81.7%
  • Exchange: OTC

Siemens Gamesa is a Spain-based wind engineering company. It sells onshore and offshore wind turbines, turbine gearboxes, off-grid, and other related equipment. It also provides maintenance and reconditioning services. The company serves customers across the globe and has installed products and technology in over 90 countries.


#4 Orsted A/S (DNNGY)

  • Revenue (TTM): $6.4 billion
  • Net Income (TTM): $850.3 million
  • Market Cap: $57.6 billion
  • 1-Year Trailing Total Return: 45.1%
  • Exchange: OTC

Orsted is a Denmark-based multinational power company focused on providing renewable energy solutions. The company’s wind power segment develops, constructs, and operates offshore wind farms. Its bioenergy and thermal power segment operates combined heat and power plants. Orsted also distributes and sells power and gas in wholesale and retail markets throughout Denmark, Sweden, German, and the U.K.


#5 JinkoSolar Holding Co. Ltd. (JKS)

  • Revenue (TTM): $4.6 billion
  • Net Income (TTM): $163.1 million
  • Market Cap: $945.4 million
  • 1-Year Trailing Total Return: 6.9%
  • Exchange: New York Stock Exchange

JinkoSolar 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.


#6 Canadian Solar Inc. (CSIQ)

  • Revenue (TTM): $3.2 billion
  • Net Income (TTM): $257.3 million
  • Market Cap: $1.7 billion
  • 1-Year Trailing Total Return: 30.5%
  • 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.


#7 First Solar Inc. (FSLR)

  • Revenue (TTM): $3.1 billion
  • Net Income (TTM): $98.8 million
  • Market Cap: $7.4 billion
  • 1-Year Trailing Total Return: 12.0%
  • Exchange: NASDAQ

First Solar is a solar energy company. It designs and manufactures photovoltaic solar power systems and solar modules. The company uses a thin-film semiconductor technology to manufacture solar modules that convert sunlight into electricity. First Solar serves customers globally.


#8 Brookfield Renewable Partners LP (BEP.UN.TO)

  • Revenue (TTM): $2.9 billion (CAD$3.8 billion)2
  • Net Income (TTM): -$34.3 million (-CAD$45.1 million)2
  • Market Cap: $8.2 billion (CAD$10.8 billion)2
  • 1-Year Trailing Total Return: 57.2%
  • Exchange: Toronto 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 Renewable Energy Group Inc. (REGI)

  • Revenue (TTM): $2.6 billion
  • Net Income (TTM): $563.3 million
  • Market Cap: $1.6 billion
  • 1-Year Trailing Total Return: 175.8%
  • Exchange: NASDAQ

Renewable Energy Group is a biodiesel production company. It produces and trades biofuel and renewable chemicals. The company processes waste and virgin vegetable oils, animal fats, and other feedstocks and methanol into biomass-based diesel. It also offers services for managing the construction of biomass-based diesel production facilities and the ongoing operations of third-party plants.


#10 SunPower Corp. (SPWR)

  • Revenue (TTM): $1.9 billion
  • Net Income (TTM): $8.4 million
  • Market Cap: $1.8 billion
  • 1-Year Trailing Total Return: 32.5%
  • Exchange: NASDAQ

SunPower is a solar energy company. It designs and manufactures solar panels and systems. The company provides solar energy solutions, including turn-key engineering, procurement, and construction. It also supplies equipment to resellers, and commercial and residential end-customers throughout the world.


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