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 |
|---|---|---|---|---|---|---|---|---|
| Ameresco Janesville LLC | Framingham, MA | Independent Power Producer | 1 | 9.9 GWh | Dec 2024 | - | ||
| Ameresco Jefferson City LLC | Framingham, MA | Independent Power Producer | 1 | 21.9 GWh | Dec 2024 | - | ||
| Ameresco Johnson Canyon LLC | Framingham, MA | Independent Power Producer | 1 | 9.6 GWh | Dec 2024 | - | ||
| Ameresco Keller Canyon LLC | Framingham, MA | Independent Power Producer | 1 | 21.8 GWh | Dec 2024 | - | ||
| Ameresco Ox Mountain Energy LLC | Framingham, MA | Independent Power Producer | 1 | 87.9 GWh | Sep 2025 | - | ||
| Ameresco San Joaquin LLC | Independent Power Producer | 2 | 33.6 GWh | Dec 2024 | - | |||
| Ameresco Santa CRUZ Energy LLC | Framingham, MA | Independent Power Producer | 1 | 18.2 GWh | Dec 2024 | - | ||
| Ameresco Select Inc | Windsor Locks, CT | State-Owned Utility | 2 | 12.9 GWh | Dec 2024 | - | ||
| Ameresco Stafford LLC | Framingham, MA | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | May 2019 | ||
| Ameresco Vasco Road LLC | Independent Power Producer | 1 | 35.2 GWh | Dec 2024 | - | |||
| American Bituminous Power LP | Grant Town, WV | Independent Power Producer | 1 | 669.8 GWh | Dec 2024 | - | ||
| American Crystal Sugar Co | Moorhead, MN | Industrial | 5 | 278.2 GWh | Dec 2024 | - | ||
| American Mun Power-Ohio, Inc | Columbus, OH | Municipally-Owned Utility | 48 | 5.6 TWh | Sep 2025 | - | ||
| American Sugar Refining Inc. | West Palm Beach, FL | |Independent Power Producer | 3 | 59.9 GWh | Sep 2025 | - | ||
| Amethyst Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Amherst College | Amherst, MA | Commercial | 1 | 7.4 GWh | Dec 2024 | - | ||
| Amherst Community Solar LLC | Houston, TX | Independent Power Producer | 1 | 7.9 GWh | Dec 2024 | - | ||
| AMOR IX LLC | Independent Power Producer | 1 | 128.7 GWh | Sep 2025 | - | |||
| Amp Ma Dudley | Denver, CO | Independent Power Producer | 1 | 4.5 GWh | Dec 2024 | - | ||
| Amp Ma Joe Jenny | Denver, CO | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| Ampersand Chasm Hydro LLC | Chateaugay, NY | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| Ampersand Gilman Hydro LP | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | |||
| Ampersand Long Falls Hydro, LLC | Carthage, NY | Independent Power Producer | 1 | 881.0 MWh | Dec 2023 | - | ||
| Ampersand Moretown Hydro LLC | Boston, MA | Independent Power Producer | 1 | 2.6 GWh | Dec 2023 | - | ||
| Ampersand Ogdensburg Hydro, LLC | Boston, MA | Independent Power Producer | 1 | 4.7 GWh | Dec 2023 | - | ||
| Anaergia | Carlsbad, CA | Independent Power Producer | 2 | 343.9 MWh | Dec 2024 | - | ||
| Anaheim Public Utilities | Anaheim, CA | Municipally-Owned Utility | 1 | 2.9 GWh | Dec 2024 | Aug 2025 | ||
| Anderson Solar Farm, LLC | Jersey City, NJ | Independent Power Producer | 1 | 4.1 GWh | Dec 2024 | - | ||
| Andromeda Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 8.6 GWh | Dec 2024 | - | ||
| Angel Fire Energy Facility, LLC | Taos, NM | Cooperative | 1 | 14.9 GWh | Dec 2024 | - | ||
| Angelo Solar, LLC | Charlottesville, VA | Independent Power Producer | 1 | 405.2 GWh | Sep 2025 | - | ||
| Angola Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Anheuser-Busch Inc | St Louis, MO | Industrial | 3 | 122.6 GWh | Sep 2025 | - | ||
| Aniak Light & Power Co Inc | Aniak, AK | Investor-Owned Utility | 1 | 2.1 GWh | Dec 2024 | - | ||
| Annadale Community Clean Energy Projects LLC | New York, NY | Independent Power Producer | 2 | 63.6 GWh | Dec 2024 | - | ||
| Annapolis Solar Park, LLC | Irvington, NY | Independent Power Producer | 1 | 22.5 GWh | Dec 2024 | - | ||
| ANP Blackstone Energy Company LLC | Blackstone, MA | Independent Power Producer | 1 | 3.1 TWh | Sep 2025 | Mar 2021 | ||
| Antares Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 5.4 GWh | Dec 2024 | - | ||
| Antelope Creek Solar, LLC | New York, NY | Independent Power Producer | 1 | 641.0 MWh | Dec 2024 | - | ||
| Anthony VIneyards, Inc. | Bakersfield, CA | Industrial | 1 | 3.2 GWh | Dec 2024 | - | ||
| Antlia Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Ap North Lake I, LP | San Francisco, CA | Independent Power Producer | 1 | 40.9 GWh | Dec 2024 | - | ||
| Ap Solar 2, LLC | New York, NY | Independent Power Producer | 1 | 426.4 GWh | Sep 2025 | - | ||
| Ap Sunray LLC | Dover, DE | Independent Power Producer | 1 | 475.2 GWh | Sep 2025 | - | ||
| Apex Generating Station | Las Vegas, NV | Municipally-Owned Utility | 1 | 1.4 TWh | Sep 2025 | - | ||
| Apex Power Generation Corp. | Oroville, CA | Industrial | 1 | 672.3 MWh | Dec 2024 | - | ||
| Apollo Energy Corp | Foster City, CA | Independent Power Producer | 2 | 123.0 GWh | Sep 2025 | - | ||
| Appaloosa Run Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 756.5 GWh | Sep 2025 | - | ||
| Apple Grove Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 30.3 GWh | Dec 2024 | - | ||
| Apple, Inc | Cupertino, CA | Commercial | 9 | 285.2 GWh | Dec 2024 | Sep 2025 | $2.79M | |
| Appleseed Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 41.6 GWh | Sep 2025 | Sep 2025 | ||
| Appomattox River Associates LP | Lewiston, ME | Independent Power Producer | 1 | 10.8 GWh | Dec 2024 | - | ||
| Aqua America Inc | BRYN MAWR, PA | Independent Power Producer | 2 | 2.8 GWh | Dec 2023 | - | ||
| Arcadia Solar, LLC | New York, NY | Independent Power Producer | 3 | 9.0 GWh | Dec 2024 | - | ||
| Archer Daniels Midland Co | Decatur, IL | Industrial | 16 | 3.0 TWh | Sep 2025 | - | ||
| Architect Of The Capitol, Capitol Power Plant | Washington, DC | Commercial | 1 | 58.2 GWh | Dec 2024 | - | ||
| Arco Products Co-Watson | Carson, CA | Independent Power Producer | 1 | 2.5 TWh | Sep 2025 | - | ||
| Arctaris Saddleback Solar, LLC | Boston, MA | Independent Power Producer | 1 | 5.3 GWh | Dec 2024 | - | ||
| Arevon Asset Management | Scottsdale, AZ | Independent Power Producer | 3 | 208.4 GWh | Sep 2025 | - | ||
| Arevon Energy, Inc. | Scottsdale, AZ | Independent Power Producer | 41 | 2.8 TWh | Sep 2025 | - | ||
| ARGO Navis Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 4.9 GWh | Dec 2024 | - | ||
| Argonne National Laboratory | Lemont, IL | Federally-Owned Utility | 1 | 51.5 GWh | Dec 2024 | - | ||
| Argos Solar LLC | Independent Power Producer | 1 | 3.3 GWh | Dec 2024 | - | |||
| Aries Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 7.0 GWh | Dec 2024 | - | ||
| Arizona Electric PWR Coop Inc | Cochise, AZ | Cooperative | 3 | 2.6 TWh | Sep 2025 | Oct 2025 | $7.78M | |
| Arizona State University FDM | Tempe, AZ | Commercial | 1 | 1.2 GWh | Dec 2024 | - | ||
| Arkalon Ethanol LLC | Liberal, KS | Industrial | 1 | 12.5 GWh | Dec 2024 | - | ||
| Arkansas River Power Authority | Lamar, CO | Political Subdivision | 1 | 5.8 GWh | Dec 2024 | Sep 2025 | $1.21M | |
| Arlington Energy Center II | Juno Beach, FL | Independent Power Producer | 2 | 1.0 TWh | Sep 2025 | - | ||
| Artemis Solar LLC | Irvington, NY | Independent Power Producer | 2 | 5.8 GWh | Dec 2024 | - | ||
| ASA Clayton Ny Solar I LLC | Denver, CO | Independent Power Producer | 1 | 738.0 MWh | Dec 2024 | - | ||
| ASA Dekalb Ny Solar I LLC | Denver, CO | Independent Power Producer | 1 | 6.7 GWh | Dec 2024 | - | ||
| ASA Dekalb Ny Solar II LLC | Denver, CO | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| ASA Dekalb Ny Solar III LLC | Denver, CO | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| ASA Gouverneur Ny Solar I LLC | Denver, CO | Independent Power Producer | 1 | 1.2 GWh | Dec 2024 | - | ||
| ASA Gouverneur Ny Solar II LLC | Denver, CO | Independent Power Producer | 1 | 2.8 GWh | Dec 2024 | - | ||
| ASA Volney Ny Solar I LLC | Denver, CO | Independent Power Producer | 1 | 6.6 GWh | Dec 2024 | - | ||
| Ascend Performance Materials | Cantonment, FL | Industrial | 2 | 698.4 GWh | Sep 2025 | - | ||
| ASD Cotuit Ma Solar LLC | Denver, CO | Independent Power Producer | 1 | 2.3 GWh | Dec 2024 | - | ||
| ASD Wallum Ma Solar LLC | Sandwich, MA | Independent Power Producer | 1 | 9.8 GWh | Dec 2024 | - | ||
| Ash Creek | Oakland, CA | Independent Power Producer | 1 | 282.7 GWh | Sep 2025 | - | ||
| Ash Mesa Solar, LLC | El Segundo, CA | Independent Power Producer | 1 | 17.3 GWh | Dec 2024 | - | ||
| Ashby Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.2 GWh | Dec 2024 | - | ||
| Ashley Solar Farm, LLC | Boston, MA | Independent Power Producer | 1 | 7.2 GWh | Dec 2024 | - | ||
| Aspenall Energies (Delaware), LLC | Minneapolis, MN | Independent Power Producer | 1 | 29.0 GWh | Dec 2024 | - | ||
| Astra Wind LLC | Washington, DC | Independent Power Producer | 1 | 581.3 GWh | Sep 2025 | - | ||
| Astrazeneca Pharmaceuticals | Newark, DE | Industrial | 1 | 5.6 GWh | Dec 2024 | - | ||
| Atalco Gramercy LLC | Gramercy, LA | Industrial | 1 | 226.9 GWh | Dec 2024 | - | ||
| Athens Energy, LLC | Athens, ME | Independent Power Producer | 1 | 63.1 GWh | Dec 2024 | Apr 2018 | ||
| Atkinson Solar II LLC | Asheville, NC | Independent Power Producer | 1 | 4.0 GWh | Dec 2024 | - | ||
| Atood Solar III LLC | Spartanburg, SC | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Auburn Renewables, LLC | Auburn, IN | Independent Power Producer | 1 | 10.0 GWh | Dec 2024 | - | ||
| Audrey Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| August Wind Energy, LLC | Greenfield, IA | Independent Power Producer | 1 | 7.1 GWh | Dec 2024 | - | ||
| Augusta Canal Authority | Augusta, GA | Municipally-Owned Utility | 3 | 10.6 GWh | Sep 2025 | - | ||
| Augusta Solar LLC | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | |||
| Aurora Energy LLC | Fairbanks, AK | Independent Power Producer | 1 | 131.6 GWh | Dec 2024 | - | ||
| Austin Energy | Austin, TX | Municipally-Owned Utility | 8 | 2.5 TWh | Sep 2025 | - | ||
| Autoliv Asp, Inc. | Auburn Hills, MI | Industrial | 2 | 6.4 GWh | Dec 2024 | - | ||
| Auwahi Wind Energy LLC | Chicago, IL | Independent Power Producer | 1 | 92.9 GWh | Dec 2024 | - |
Top Power Plants in United States
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Arkansas Nuclear One | Russellville, Arkansas | 15 TWh | Nov 1974 | Sep 2025 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Sep 2025 | Natural Gas : 92.7% Bituminous Coal : 7.3% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Sep 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | Sep 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Sep 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 29 TWh | Jul 1974 | Sep 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Sep 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Sep 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Sep 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Sep 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Sep 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Sep 2025 | Natural Gas : 78.9% Bituminous Coal : 20.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Sep 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Sep 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Sep 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Sep 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Sep 2025 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Sep 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Sep 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Sep 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Sep 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Sep 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Sep 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Sep 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 14 TWh | Nov 1977 | Sep 2025 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Sep 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | Sep 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Sep 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Sep 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 16 TWh | Nov 1975 | Sep 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Sep 2025 | Subbituminous Coal : 74.0% Bituminous Coal : 16.6% Petroleum Coke : 9.2% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Sep 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Sep 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 23 TWh | Jun 1973 | Sep 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Sep 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Sep 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Sep 2025 | Nuclear |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 17 TWh | May 1971 | Sep 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Sep 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | Sep 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 12 TWh | Jun 1981 | Sep 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Sep 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 17 TWh | Apr 1976 | Sep 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | Sep 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Sep 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Sep 2025 | Nuclear : 67.7% Natural Gas : 32.3% |
| Vogtle | Waynesboro, Georgia | 36 TWh | Apr 1987 | Sep 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Sep 2025 | Subbituminous Coal : 83.7% Natural Gas : 16.3% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Sep 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Sep 2025 | Natural Gas : 99.9% |