As the world accelerates toward net-zero goals, renewable energy companies are playing a vital role in reshaping the global energy landscape. From wind giants in Europe to solar pioneers in Asia, these companies are investing billions in sustainable technologies that power cities, industries, and transportation.
Here are the top 10 companies leading the charge in renewable energy in 2025, ranked by their global impact, innovation, installed capacity, and contribution to the clean energy transition.
1. NextEra Energy (United States)
Headquarters: Florida, USA Focus: Wind, solar, battery storage, green hydrogen Installed renewable capacity: Over 35 GW
NextEra Energy remains the world’s largest producer of wind and solar power. Its subsidiary, NextEra Energy Resources, continues to dominate U.S. renewables. With aggressive investments in battery storage and emerging hydrogen technologies, NextEra is setting the standard for utility-scale clean energy innovation.
2. Iberdrola (Spain)
Headquarters: Bilbao, Spain Focus: Wind (onshore & offshore), solar, hydroelectric, green hydrogen Installed capacity: Over 40 GW
As one of the world’s greenest utilities, Iberdrola has built an extensive portfolio of renewable assets across Europe, the Americas, and Australia. It is a pioneer in offshore wind development, including landmark projects in the United Kingdom and the U.S. East Coast.
3. Ørsted (Denmark)
Headquarters: Fredericia, Denmark Focus: Offshore wind, hydrogen, power-to-X Key milestone: Over 10 GW in offshore wind
Once a fossil fuel company, Ørsted has reinvented itself as a global renewable powerhouse. It leads the world in offshore wind capacity and is investing heavily in green hydrogen and sustainable fuel projects across Europe and Asia.
4. Enel Green Power (Italy)
Headquarters: Rome, Italy Focus: Solar, wind, hydro, geothermal, storage Presence: Over 20 countries
A subsidiary of the Enel Group, Enel Green Power boasts one of the most diversified renewable portfolios globally. With strong R&D programs and large-scale investments in Latin America, Africa, and Europe, the company is a pillar of the global energy transition.
5. Brookfield Renewable Partners (Canada)
Headquarters: Toronto, Canada Focus: Hydropower, wind, solar, distributed generation Assets under management: $75+ billion
With operations in North America, South America, Europe, and Asia, Brookfield has become a major player in utility-scale renewables and storage. Its acquisition-driven model and long-term infrastructure expertise give it a strong edge in emerging markets.
6. Tesla, Inc. (United States)
Headquarters: Austin, Texas Focus: Solar energy, energy storage, virtual power plants Key products: Solar Roof, Powerwall, Megapack
While known for its electric vehicles, Tesla’s role in the clean energy space is growing fast. Its residential and grid-scale batteries (Powerwall, Megapack) and solar solutions are transforming how households and utilities generate and store power.
7. JinkoSolar (China)
Headquarters: Shanghai, China Focus: Solar PV manufacturing, utility-scale solar farms Global market share: Top 3 in solar module production
JinkoSolar is a solar manufacturing giant. With innovation in bifacial and n-type TOPCon technology, it is setting new efficiency standards. Its solar panels power millions of homes and businesses in over 100 countries.
8. Vestas Wind Systems (Denmark)
Headquarters: Aarhus, Denmark Focus: Wind turbine manufacturing and services Turbines installed: Over 160 GW globally
Vestas is the world’s leading wind turbine supplier, delivering high-efficiency machines for both onshore and offshore wind farms. Its advanced data platforms and maintenance services ensure the longevity and profitability of wind assets worldwide.
9. China Three Gorges Corporation
Headquarters: Beijing, China Focus: Hydropower, wind, solar Projects: World’s largest hydro plant (Three Gorges Dam)
Although known for hydropower, CTG has expanded aggressively into wind and solar. It is a central actor in China’s massive clean energy buildout and is increasingly present in international markets, including Brazil and Pakistan.
10. EDF Renewables (France)
Headquarters: Paris, France Focus: Wind, solar, energy storage, hybrid solutions Key regions: Europe, North America, Middle East
EDF Renewables is a global subsidiary of France’s national utility. It is actively developing hybrid energy solutions (solar + storage) and has become a significant offshore wind developer in Europe and North America.
Conclusion
The clean energy transformation is no longer a distant goal — it’s unfolding now. These ten companies are shaping the future of global energy, driving investments in renewable technologies, decarbonizing grids, and pushing the boundaries of what’s possible.
As governments push for net-zero targets and investors seek sustainable returns, the leaders of the renewable revolution will play an even greater role in reshaping the 21st-century energy economy.