Directory of Electric Companies in the United States
| Company Name | Company Location | Utility Type | Power Plants | EIA Annual Generation | EIA Latest Generation | FERC Lastest Date | FERC 2025Q2 Seller Transactions | FERC 2025Q2 Buyer Transactions |
|---|---|---|---|---|---|---|---|---|
| Augusta Solar LLC | Independent Power Producer | 1 | 4.2 GWh | Dec 2025 | - | |||
| Argos Solar LLC | Independent Power Producer | - | 3.3 GWh | Dec 2024 | - | |||
| Angiola East LLC | Independent Power Producer | 1 | 11.0 GWh | May 2026 | - | |||
| Ampersand Gilman Hydro LP | Independent Power Producer | 1 | 2.2 GWh | Dec 2025 | - | |||
| AMOR IX LLC | Independent Power Producer | 1 | 118.1 GWh | May 2026 | - | |||
| Ameresco Vasco Road LLC | Independent Power Producer | 1 | 35.6 GWh | Dec 2025 | - | |||
| Ameresco San Joaquin LLC | Independent Power Producer | 2 | 27.6 GWh | Dec 2025 | - | |||
| Ameresco Forward LLC | Independent Power Producer | 1 | 34.4 GWh | Dec 2025 | - | |||
| Ameresco Butte County LLC | Independent Power Producer | 1 | 16.2 GWh | Dec 2025 | - | |||
| Amadeus Wind LLC | Independent Power Producer | 1 | 758.0 GWh | May 2026 | - | |||
| APN Starfirst, LP | Wyomissing, PA | - | - | - | Oct 2025 | $172.13k | ||
| American Powernet Management, LP | Wyomissing, PA | - | - | - | Oct 2025 | $12.77M | $7.82M | |
| Ameresco Select Inc | Windsor Locks, CT | State-Owned Utility | 2 | 12.3 GWh | Dec 2025 | - | ||
| Altavista Solar, LLC | Windsor Locks, CT | Independent Power Producer | 1 | 176.8 GWh | May 2026 | Sep 2025 | $2.14M | |
| Ahlstrom Power Windsor Locks LLC | Windsor Locks, CT | Independent Power Producer | 1 | 157.2 GWh | May 2026 | - | ||
| Angola Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 4.1 GWh | Dec 2025 | - | ||
| ACC Renewable Resources | Williams, CA | Independent Power Producer | 1 | 24.7 GWh | Dec 2025 | - | ||
| Aulander Holloman Solar, LLC | Westport, CT | Independent Power Producer | 1 | 190.3 GWh | May 2026 | Oct 2025 | $2.84M | |
| Albemarle Beach Solar, LLC | Westport, CT | Independent Power Producer | 1 | 247.9 GWh | May 2026 | Oct 2025 | $3.98M | |
| American Sugar Refining Inc. | West Palm Beach, FL | |Independent Power Producer | 3 | 54.8 GWh | May 2026 | - | ||
| Astra Wind LLC | Washington, DC | Independent Power Producer | 1 | 586.9 GWh | May 2026 | - | ||
| Artemis Solar LLC | Washington, DC | Independent Power Producer | - | 5.8 GWh | Dec 2024 | - | ||
| Architect Of The Capitol, Capitol Power Plant | Washington, DC | Commercial | 1 | 58.4 GWh | Dec 2025 | - | ||
| Agway Energy Services, LLC | Washington, DC | - | - | - | Oct 2025 | $69.30k | ||
| Agilitas Energy, Inc. | Wakefield, MA | Independent Power Producer | 28 | 112.3 GWh | Dec 2025 | - | ||
| Alpaugh North, LLC | Valhalla, NY | - | - | - | Aug 2025 | $1.93M | ||
| Alpaugh 50, LLC | Valhalla, NY | - | - | - | Aug 2025 | $5.24M | ||
| Abundant Solar Power Inc. | Toronto, ON | Independent Power Producer | 5 | 1.4 GWh | Nov 2025 | - | ||
| Ar Searcy Project Company, LLC | The Woodlands, TX | - | - | - | Sep 2025 | $1.79M | ||
| Arizona State University FDM | Tempe, AZ | Commercial | 1 | 2.0 GWh | Dec 2025 | - | ||
| A & N Electric Coop | Tasley, VA | Cooperative | 2 | 313.1 MWh | Dec 2025 | - | ||
| Angel Fire Energy Facility, LLC | Taos, NM | Cooperative | 1 | 15.4 GWh | Dec 2025 | - | ||
| Atlantic Health System | Summit, NJ | Commercial | 2 | 43.9 GWh | Dec 2025 | - | ||
| Avalon Hydropower LLC | Stoneville, NC | Independent Power Producer | 1 | 2.9 GWh | May 2026 | - | ||
| Arthur Kill Power, LLC | Staten Island, NY | Independent Power Producer | 1 | 1.7 TWh | May 2026 | Sep 2025 | $56.70M | |
| Astoria Generating Company, L.P. | Stamford, CT | Independent Power Producer | 3 | 962.0 GWh | Dec 2025 | Oct 2025 | $80.24M | |
| Altus Power America Management, LLC | Stamford, CT | Independent Power Producer | 242 | 861.9 GWh | May 2026 | - | ||
| AETS OPCO Holdings LLC | Stamford, CT | Independent Power Producer | 11 | 64.8 GWh | Dec 2025 | - | ||
| Altona Solar, LLC | St. Louis, MO | - | - | - | Sep 2025 | $1.03M | ||
| AFTW Holdings, LLC | St. Louis Park, MN | Independent Power Producer | - | 12.5 GWh | Dec 2024 | - | ||
| Anheuser-Busch Inc | St Louis, MO | Industrial | 3 | 119.9 GWh | May 2026 | - | ||
| Associated Electric Coop, Inc | Springfield, MO | Cooperative | 11 | 27.0 TWh | May 2026 | Oct 2025 | $102.40M | $35.00M |
| Avista Corp | Spokane, WA | Investor-Owned Utility | 14 | 7.2 TWh | Mar 2026 | Oct 2025 | $54.87M | $32.57M |
| Atood Solar III LLC | Spartanburg, SC | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | - | ||
| Aga Tag Solar III LLC | Spartanburg, SC | Independent Power Producer | 1 | 320.0 MWh | Jul 2025 | - | ||
| Alphastruxure Service Co LP | Somerville, MA | Independent Power Producer | 1 | 3.3 GWh | Dec 2025 | - | ||
| Alliance NYGT, LLC | Sherrill, NY | Independent Power Producer | 2 | 1.4 GWh | Dec 2025 | Oct 2025 | $1.85M | |
| Armstrong Power LLC | Shelocta, PA | Independent Power Producer | 1 | 1.2 TWh | May 2026 | Oct 2025 | $18.05M | |
| Amazon Energy LLC | Seattle, WA | - | - | - | Oct 2025 | $116.08M | $144.61M | |
| Avalon Solar Partners, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $2.56M | ||
| Aries Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 7.0 GWh | Dec 2025 | - | ||
| ARGO Navis Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 4.6 GWh | Dec 2025 | - | ||
| Arevon Energy, Inc. | Scottsdale, AZ | Independent Power Producer | 41 | 2.8 TWh | May 2026 | - | ||
| Arevon Asset Management | Scottsdale, AZ | Independent Power Producer | 1 | 198.4 GWh | May 2026 | - | ||
| Antlia Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| Antares Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 5.5 GWh | Dec 2025 | - | ||
| Andromeda Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 8.6 GWh | Dec 2025 | - | ||
| ALTA Wind XI, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 270.5 GWh | Dec 2025 | Sep 2025 | $9.26M | |
| ALTA Wind X, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 378.0 GWh | Dec 2025 | Sep 2025 | $13.54M | |
| ALTA Wind V, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 267.9 GWh | Dec 2025 | Sep 2025 | $11.18M | |
| ALTA Wind IV, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 176.7 GWh | Dec 2025 | Sep 2025 | $7.32M | |
| ALTA Wind III, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 337.0 GWh | Dec 2025 | Sep 2025 | $13.71M | |
| ALTA Wind II, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 336.0 GWh | Dec 2025 | Sep 2025 | $13.55M | |
| ALTA Wind I, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 424.3 GWh | Dec 2025 | Sep 2025 | $16.96M | |
| Alpine Bess LLC | Scottsdale, AZ | Independent Power Producer | 1 | 122.6 GWh | Dec 2025 | - | ||
| Adams Community Solar Garden LLC | Scottsdale, AZ | Independent Power Producer | 1 | 2.9 GWh | Dec 2025 | - | ||
| Adams Community Solar Garden III LLC | Scottsdale, AZ | Independent Power Producer | 1 | 3.0 GWh | Dec 2025 | - | ||
| Allie L.L.C. | Schenectady, NY | Independent Power Producer | 1 | 2.2 GWh | Dec 2025 | - | ||
| ADP Boulevard Solar Project 2021, LLC | Schenectady, NY | Independent Power Producer | 1 | 1.5 GWh | Dec 2025 | - | ||
| ASD Wallum Ma Solar LLC | Sandwich, MA | Independent Power Producer | 1 | 9.8 GWh | Dec 2024 | - | ||
| Arthur Solar 2, LLC | San Francisco, CA | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Arica Solar, LLC | San Francisco, CA | Independent Power Producer | 1 | 823.9 GWh | May 2026 | Oct 2025 | $11.48M | |
| Arche Energy Project, LLC | San Francisco, CA | - | - | - | Sep 2025 | $2.25M | ||
| Ap North Lake I, LP | San Francisco, CA | Independent Power Producer | 1 | 47.8 GWh | Dec 2025 | - | ||
| Avenal Solar Holdings LLC | San Diego, CA | Independent Power Producer | 3 | 79.5 GWh | Dec 2025 | - | ||
| Avenal Park, LLC | San Diego, CA | - | - | - | Sep 2025 | $754.76k | ||
| Arrow Canyon Solar LLC | San Diego, CA | Independent Power Producer | 1 | 665.6 GWh | May 2026 | Sep 2025 | $6.90M | |
| Appaloosa Solar I, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $5.13M | |
| Antelope Expansion 3B, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $134.45k | |
| Antelope Expansion 3a, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $524.14k | |
| Antelope Expansion 2, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $3.90M | |
| Antelope Expansion 1B, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $599.15k | |
| Antelope DSR 3, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $922.25k | |
| All World Machinery Supply, Inc. | Roscoe, IL | Industrial | 1 | 3.2 GWh | Dec 2025 | - | ||
| Altagas Ripon Energy Inc. | Ripon, CA | Independent Power Producer | 1 | 1.1 GWh | Apr 2026 | Oct 2025 | $5.08k | |
| Alpha Value Solar, LLC | Raleigh, NC | Independent Power Producer | - | 9.4 GWh | Dec 2024 | - | ||
| Agriwind Holdings, LLC | Quincy, MA | Independent Power Producer | 1 | 18.6 GWh | Dec 2025 | - | ||
| Archer Energy, LLC | Powell, OH | - | - | - | Oct 2025 | $3.05M | $2.90M | |
| Antrim Wind Energy LLC | Portsmouth, NH | Independent Power Producer | 1 | 80.7 GWh | May 2026 | Oct 2025 | $993.36k | $117.79k |
| Avangrid Power LLC | Portland, OR | Independent Power Producer | 90 | 22.3 TWh | May 2026 | Oct 2025 | $124.30M | $36.03M |
| Avangrid Arizona Renewables, LLC | Portland, OR | - | - | - | Sep 2025 | $3.44M | ||
| Allegany Generating Station, LLC | Portageville, NY | Independent Power Producer | 1 | 40.7 GWh | Dec 2025 | Sep 2025 | $1.15M | |
| Altagas Blythe Operations Inc | Port Huron, MI | Independent Power Producer | 1 | 348.8 GWh | May 2026 | - | ||
| Arlington Valley Solar Energy II LLC | Pleasanton, CA | Independent Power Producer | - | - | Dec 2019 | Sep 2025 | $12.32M | |
| Arlington Valley LLC | Pleasanton, CA | Independent Power Producer | 1 | 3.5 TWh | May 2026 | Sep 2025 | $30.75M | $9.17M |
| AGC Division Of APGI Inc | Pittsburgh, PA | Investor-Owned Utility | 1 | 3.3 TWh | May 2026 | - | ||
| Apple Blossom Wind, LLC | Pigeon, MI | Independent Power Producer | 1 | 266.5 GWh | May 2026 | Oct 2025 | $2.58M | |
| Arizona Public Service Co | Phoenix, AZ | Investor-Owned Utility | 30 | 55.3 TWh | May 2026 | Oct 2025 | $24.68M | $234.49M |
| AES Pike County Energy Storage | Petersburg, IN | Investor-Owned Utility | 1 | - | Jan 2026 | Sep 2025 | $2.41M | |
| Alabama River Cellulose LLC | Perdue Hill, AL | Industrial | 2 | 794.9 GWh | May 2026 | - |
Top Power Plants in United States
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Arkansas Nuclear One | Russellville, Arkansas | 14 TWh | Nov 1974 | May 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | May 2026 | Natural Gas : 97.1% Bituminous Coal : 2.9% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | May 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | May 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | May 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | May 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | May 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | May 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | May 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | May 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | May 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | May 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | May 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | May 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | May 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | May 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | May 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | May 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | May 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | May 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | May 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | May 2026 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | May 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | May 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 18 TWh | Dec 1983 | May 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | May 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | May 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | May 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | May 2026 | Subbituminous Coal : 75.2% Bituminous Coal : 15.7% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | May 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | May 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | May 2026 | Lignite Coal : 99.1% Natural Gas : 0.9% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | May 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | May 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | May 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | May 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | May 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | May 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | May 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 17 TWh | Jun 1981 | May 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | May 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | May 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | May 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | May 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | May 2026 | Nuclear : 64.2% Natural Gas : 35.8% |
| Union Power Station | El Dorado, Arkansas | 12 TWh | Dec 2002 | May 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | May 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | May 2026 | Subbituminous Coal : 81.6% Natural Gas : 18.4% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | May 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | May 2026 | Natural Gas |