List of the 100 largest renewable energy investors in the United States [2025]

Description

List of 5 renewable energy investors in the United States

The role of renewable energy in securing the future of our planet and addressing the climate crisis is of paramount importance. In light of this understanding, investment firms are becoming more conscious of their responsibilities and are actively engaged in the transition towards a sustainable future through the development of emission-free energy sources. Trying to diversify their portfolio, these companies are increasingly focusing on incorporating a variety of renewable energy projects. These projects include onshore wind farms, photovoltaic solar parks, and hydropower. Additionally, the firms are exploring less conventional areas such as biomass, hydrogen, and offshore wind farms. Further energy storage presents a significant area of focus for many investment companies. As a result of these investments, the current energy supply is being progressively shifted towards renewable sources. In the following, we will present five renewable energy investors in the United States.

1) NextEra Energy (Juno Beach, Florida, United States)

With $20 billion in investments in renewable energy in 2019, NextEra Energy is one of the largest utility investors in the United States and is headquartered in Juno Beach, Florida. As a publicly-traded company (NYSE: NEE) it invests in offshore wind, solar, and energy storage projects across North America. Since its founding in 1984, NextEra Energy’s investment portfolio has reached a total capacity of over 21 GW with 150 wind and solar energy centers in various states throughout the United States and Canada.

Update: A joint development agreement has been announced by Entergy and NextEra Energy Resources LLC. The agreement will facilitate the accelerated development of up to 4.5 gigawatts (GW) of new solar generation and energy storage projects.

2) Greenbacker Capital (New York City, New York, United States)

The New York-based investment manager Greenbacker Capital was founded in 2011 and, since then, has carried out investments summing up to $1.460 billion. The company’s investment portfolio comprises onshore wind, solar, and storage projects across North America. Greenbacker Capital’s investments have generated an installed capacity of 250 MW of renewable energy. Recently, the company acquired a wind farm in California that will provide 57.5 MW of clean energy to households.

Update: In Q3 2023, the company acquired three solar projects in southwestern Colorado from OneEnergy Renewables. Currently, it has more than 115MWdc of solar energy projects in Colorado, aiming to expand further. Moreover, Greenbacker Capital acquired four solar farms in Minnesota and in Wisconsin from OneEnergy Renewables as well.

3) MidAmerican Energy (Des Moines, Iowa, United States)

MidAmerican Energy is a utility investor based in Des Moines, Iowa. In the last twenty-five years, the company has carried out investments of $1300 million. These investments are in wind and solar energy and are mostly in Iowa, but also in Illinois, South Dakota, and Nebraska. In 2020, 83.6% of the company’s Iowa customers used energy created through renewable energy sources.

Update: MidAmerican is responsible for the generation of energy savings for a considerable number of cities in the state of Iowa. A total of $112,635 in grant funding will be distributed to 55 Iowa cities by the company as part of its “Trees Please!” program.

4) Alliant Energy (Madison, Wisconsin, United States)

The Midwest energy provider is a publicly traded (NASDAQ: LNT) utility investor and is based in Madison, Wisconsin. With 4,000 employees, the company serves more than 950,000 households. Since its establishment in 1917, Alliant Energy has invested in onshore wind, solar energy, and storage projects, summing up to a portfolio with an installed capacity of 1800 MW of renewable energy. Moreover, Alliant Energy has $17 billion in assets under management.

Update: In development since 2022, Alliant Energy has completed its Wautoma Solar Project, a 99 MW solar array in the Waushara County town of Dakota, US.

5) LS Power Development, LLC (New York, United States)

The New York-based LS Power Development is a development, investment and operating company focused on the energy infrastructure sector. The company was founded in 1990, and since then, LS Power has developed and invested in projects combining a combined portfolio of 13 GW. The investment manager has over $13 billion in equity capital and invests in the North American power and energy infrastructure sector, such as onshore wind farms, solar parks or energy storage projects.

Update: LS Power has announced its agreement with Algonquin Power & Utilities Corp. to acquire its significant renewable energy business. The business consists primarily of solar and wind assets situated across the United States and Canada. These include 44 operational assets with a collective generating capacity exceeding 3,000 MW, in addition to an 8,000 MW pipeline of solar, wind, battery energy storage and renewable natural gas projects at various stages of development.

Research for our directory of American investors with a renewable energy portfolio

The list of American renewable energy investors underlies an ongoing research process: our team screens transactions, analyzes new projects, and cooperates with various investors and project developers in the renewables industry. Through our state-of-the-art crawler technology, the list is updated and extended multiple times per year. All entries that are included in the list can also be retrieved through our online database.

Included columns in our renewable investor database

The list includes all publicly available information or data points shared by the investors themselves. Specific information, such as installed capacity, is only included when stated on the website.

• • Company data (Company Name, Legal form, Country of origin)
  • Contact details (City, Address, Postcode, URL, E-Mail, Phone, Management)
  • Area of investment (Onshore Wind, Offshore Wind, Solar, Hydro, Tidal, Hydrogen projects, Geothermal, Energy storage, Biomass)
  • Type of Investor (Asset-/Investmentmanager, Family Office, Utility, IPP)
  • Special Focus (PPAs, Repowering)
  • Further information (Regional Focus, Founding year, installed capacity in MW)

The interconnection between renewable energy investors and developers

Investors and developers in the renewable energy sector have a close and interdependent relationship. Developers take the lead in identifying, designing, and constructing renewable energy projects, such as wind farms, solar parks, and battery storage facilities. Investors, on the other side, provide the capital needed to fund these initiatives, whether during the development stage or once the projects are operational. To offer a broader perspective, we also include a list of the largest renewable energy developers in the United States.

Image Sources: Chuttersnap & insung yoon via Unsplash (20.09.2023)