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 2025Q1 Seller Transactions | FERC 2025Q1 Buyer Transactions |
|---|---|---|---|---|---|---|---|---|
| Gemini Solar | Oakland, CA | Independent Power Producer | 1 | 2.1 TWh | Apr 2025 | - | ||
| Milford Solar LLC | Oakland, CA | Independent Power Producer | 1 | 15.2 GWh | Apr 2025 | - | ||
| Orion Energy Group LLC | Oakland, CA | Commercial | 2 | 832.4 GWh | Dec 2024 | - | ||
| Prairie Mist Solar Project, LLC | Oakland, CA | Independent Power Producer | 1 | 105.9 GWh | Apr 2025 | Mar 2025 | $1.45M | |
| Sonoran West Solar Holdings LLC | Oakland, CA | Independent Power Producer | 1 | - | - | Apr 2025 | $5.53M | $8.52k |
| Messalonskee Stream Hydro LLC | Oakland, ME | Independent Power Producer | 3 | 23.6 GWh | Dec 2024 | Aug 2014 | ||
| Western Plains Wind, LLC | Oakley, KS | Industrial | 1 | 13.3 GWh | Dec 2024 | - | ||
| Algonquin Hydro Holdings Corp. | Oakville, ON | - | - | - | Jun 2025 | $22.50k | ||
| Algonquin Power Sanger LLC | Oakville, ON | Independent Power Producer | 10 | 4.3 TWh | Apr 2025 | Jan 2025 | ||
| Clearlight Energy Services LLC | Oakville, ON | - | - | - | Jun 2025 | $16.23M | $16.23M | |
| Clearlight Energy SKIC 10 Solar, LLC | Oakville, ON | - | - | - | Mar 2025 | $237.72k | ||
| Deerfield Wind Energy, LLC | Oakville, ON | Independent Power Producer | 1 | 495.9 GWh | Apr 2025 | Jun 2025 | $7.01M | |
| Great Bay Solar I LLC | Oakville, ON | Independent Power Producer | 1 | 140.1 GWh | Apr 2025 | Mar 2025 | $1.73M | |
| Great Bay Solar II, LLC | Oakville, ON | - | - | - | Mar 2025 | $617.41k | ||
| GSG 6, LLC | Oakville, ON | - | - | - | Jun 2025 | $2.03M | ||
| Minonk Wind, LLC | Oakville, ON | - | - | - | Jun 2025 | $6.53M | ||
| New Market Solar | Oakville, ON | Independent Power Producer | 1 | 68.6 GWh | Apr 2025 | - | ||
| New Market Solar Projectco 1, LLC | Oakville, ON | - | - | - | Mar 2025 | $506.62k | ||
| New Market Solar Projectco 2, LLC | Oakville, ON | - | - | - | Mar 2025 | $1.65M | ||
| Odell Wind Farm, LLC | Oakville, ON | - | - | - | Mar 2025 | $6.92M | ||
| Sandy Ridge Wind 2, LLC | Oakville, ON | - | - | - | Apr 2025 | $4.71M | ||
| Sandy Ridge Wind, LLC | Oakville, ON | - | - | - | Apr 2025 | $2.27M | ||
| City Of Oberlin - (Oh) | Oberlin, OH | Municipally-Owned Utility | 1 | 661.9 MWh | Dec 2024 | - | ||
| Oberlin College | Oberlin, OH | Commercial | 1 | 2.7 GWh | Dec 2024 | - | ||
| Gilead Sciences Inc. | Oceanside, CA | Independent Power Producer|Industrial | 3 | 6.9 GWh | Dec 2024 | - | ||
| Oconto Electric Cooperative | Oconto Falls, WI | Cooperative | 1 | 6.0 GWh | Dec 2024 | Mar 2025 | $2.52M | |
| Quail Run Energy Partners, LP | Odessa, TX | Independent Power Producer | 1 | 3.3 TWh | Dec 2024 | - | ||
| Altagas Brush Energy Inc. | Ogdensburg, NY | - | - | - | Jun 2025 | $1.60M | ||
| Covanta Lake Inc | Okahumpka, FL | Independent Power Producer | 1 | 87.1 GWh | Apr 2025 | - | ||
| Oklahoma Gas & Electric Co | Oklahoma City, OK | Investor-Owned Utility | 22 | 17.6 TWh | Apr 2025 | Jul 2025 | $140.34M | $9.50M |
| Ecogy Delaware II LLC. | Old Greenwich, CT | Independent Power Producer | 1 | 2.2 GWh | Dec 2024 | - | ||
| Ecogy Pennsylvania Systems LLC | Old Greenwich, CT | Independent Power Producer | 1 | 2.1 GWh | Dec 2023 | - | ||
| Wolf Run Energy LLC | Omaha, ME | Independent Power Producer | 1 | 50.3 GWh | Dec 2024 | Jul 2025 | $817.43k | |
| ACM Solar, LLC. | Omaha, NE | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Alpaca Energy LLC | Omaha, NE | Independent Power Producer | 1 | 36.5 GWh | Dec 2024 | Jul 2025 | $927.59k | |
| BCSB, LLC | Omaha, NE | Independent Power Producer | 2 | 3.1 GWh | Dec 2024 | - | ||
| Beaver Dam Energy LLC | Omaha, NE | Independent Power Producer | 1 | 47.1 GWh | Dec 2024 | Jul 2025 | $1.52M | |
| Bessp1, LLC. | Omaha, NE | Independent Power Producer | 1 | 10.1 GWh | Dec 2024 | - | ||
| Big Sandy Peaker Plant LLC | Omaha, NE | Independent Power Producer | - | - | Dec 2015 | Jul 2025 | $5.33M | |
| Bluestem LLC | Omaha, NE | Independent Power Producer | 1 | 10.7 GWh | Dec 2024 | - | ||
| CCC Hastings Renewable Energy, LLC | Omaha, NE | Independent Power Producer | 1 | 7.1 GWh | Dec 2024 | - | ||
| City Of Omaha | Omaha, NE | Municipally-Owned Utility | 2 | 18.0 GWh | Apr 2025 | - | ||
| Clear Creek Wind, LLC | Omaha, NE | Independent Power Producer | 1 | 493.0 GWh | Apr 2025 | - | ||
| Cordova Energy Co LLC | Omaha, NE | Independent Power Producer | 1 | 1.2 TWh | Dec 2024 | Jul 2025 | $10.61M | |
| Creston Ridge II, LLC | Omaha, NE | Independent Power Producer | 1 | 31.5 GWh | Dec 2024 | - | ||
| Creston Ridge, LLC | Omaha, NE | Independent Power Producer | 1 | 26.6 GWh | Dec 2024 | - | ||
| Crete Energy Venture LLC | Omaha, NE | Independent Power Producer | 1 | 43.6 GWh | Dec 2024 | Apr 2025 | $10.94M | |
| Csolar IV South LLC | Omaha, NE | Independent Power Producer | 1 | 281.7 GWh | Dec 2024 | Jun 2025 | $7.16M | |
| Csolar IV West LLC | Omaha, NE | Independent Power Producer | 1 | 393.1 GWh | Dec 2024 | Jun 2025 | $6.65M | |
| Cuming County Renewables. LLC | Omaha, NE | Independent Power Producer | 1 | 9.9 GWh | Dec 2024 | - | ||
| High Desert Power Project LLC | Omaha, NE | Independent Power Producer | - | - | Dec 2015 | Mar 2025 | $32.79M | $245.25k |
| Kiowa Power Partners LLC | Omaha, NE | Independent Power Producer | 1 | 5.4 TWh | Apr 2025 | Apr 2025 | $23.34M | |
| Lincoln Generating Facility LLC | Omaha, NE | Independent Power Producer | 1 | 9.5 GWh | Dec 2024 | Apr 2025 | $2.11M | |
| Milan Energy LLC | Omaha, NE | Independent Power Producer | 1 | 42.8 GWh | Dec 2024 | Jul 2025 | $1.46M | |
| Nobles 2 Power Partners, LLC | Omaha, NE | Independent Power Producer | 1 | 992.6 GWh | Apr 2025 | Jun 2025 | $5.80M | |
| Omaha Public Power District | Omaha, NE | Political Subdivision | 11 | 8.3 TWh | Apr 2025 | Jul 2025 | $89.65M | $41.57M |
| Oxbow Creek Energy LLC | Omaha, NE | Independent Power Producer | 1 | 46.2 GWh | Dec 2024 | Jul 2025 | $810.27k | |
| Perennial Wind, LLC | Omaha, NE | Independent Power Producer | 1 | 32.9 GWh | Dec 2024 | - | ||
| Polk County Renewables, LLC | Omaha, NE | Independent Power Producer | 1 | 12.5 GWh | Dec 2024 | - | ||
| Roundtop Energy LLC | Omaha, NE | Independent Power Producer | 1 | 34.9 GWh | Dec 2024 | Jul 2025 | $715.71k | |
| Seward Wind LLC | Omaha, NE | Independent Power Producer | 1 | 8.0 GWh | Dec 2024 | - | ||
| SPPW1, LLC | Omaha, NE | Independent Power Producer | 1 | 27.4 GWh | Dec 2024 | - | ||
| Tenaska Alabama Partners LP | Omaha, NE | Independent Power Producer | 1 | 1.9 TWh | Apr 2025 | Mar 2025 | $10.22M | |
| Tenaska Clear Creek Wind, LLC | Omaha, NE | - | - | - | Jun 2025 | $4.30M | ||
| Tenaska Frontier Partners Ltd | Omaha, NE | Independent Power Producer | 1 | 4.0 TWh | Feb 2025 | Mar 2025 | $13.96M | |
| Tenaska Gateway Partners Ltd | Omaha, NE | Independent Power Producer | 1 | 1.9 TWh | Apr 2025 | Mar 2025 | $18.42M | |
| Tenaska Georgia Partners LP | Omaha, NE | Independent Power Producer | 1 | 30.8 GWh | Apr 2025 | Jun 2025 | $15.34M | |
| Tenaska Pennsylvania Partners, LLC | Omaha, NE | Independent Power Producer | 1 | 7.1 TWh | Apr 2025 | Jul 2025 | $96.47M | |
| Tenaska VIrginia Partners LP | Omaha, NE | Independent Power Producer | 1 | 5.1 TWh | Apr 2025 | Jul 2025 | $65.91M | |
| Usace-Omaha | Omaha, NE | Federally-Owned Utility | 6 | 8.5 TWh | Dec 2024 | - | ||
| Valentine Wind, LLC | Omaha, NE | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Tower Kleber Ltd Partnership | Onaway, MI | Independent Power Producer | 1 | 5.2 GWh | Dec 2024 | - | ||
| New-INDY Ontario LLC | Ontario, CA | Commercial | 1 | 244.8 GWh | Apr 2025 | Jul 2025 | $488.43k | |
| Harbec Energy | Ontario, NY | Industrial | 1 | 655.1 MWh | Dec 2024 | - | ||
| R.E. Ginna Nuclear Power Plant, LLC | Ontario, NY | Independent Power Producer | - | - | Dec 2014 | Apr 2025 | $90.89M | |
| Hayhurst Texas Solar | Ontario | Independent Power Producer | 1 | 64.7 GWh | Dec 2024 | - | ||
| City Of Orangeburg - (SC) | Orangeburg, SC | Municipally-Owned Utility | 4 | 2.3 GWh | Dec 2024 | - | ||
| Jamison Solar Farm | Orangeburg, SC | State-Owned Utility | 1 | 2.0 GWh | Dec 2024 | - | ||
| Central Maine Power Company | Orange, CT | - | - | - | Jun 2025 | $20.78M | $72.92M | |
| United Illuminating Co | Orange, CT | Investor-Owned Utility | 3 | 74.5 GWh | Apr 2025 | Jun 2025 | $60.03M | $113.91M |
| Temple-Inland Corp | Orange, TX | Commercial|Industrial | 1 | 681.0 GWh | Apr 2025 | - | ||
| Oregon Clean Energy Center | Oregon, OH | Independent Power Producer | 1 | 5.9 TWh | Apr 2025 | Jul 2025 | $83.42M | |
| Toledo Refining Company | Oregon, OH | Industrial | 1 | 489.9 MWh | Jan 2025 | - | ||
| Walleye Power, LLC | Oregon, OH | Independent Power Producer | 1 | 971.9 GWh | Dec 2023 | Jul 2025 | $11.11M | |
| Central Utah Water Conservancy District | OREM, UT | Political Subdivision | 1 | 53.0 GWh | Dec 2024 | - | ||
| Cataract Coast, LLC | Orinda, CA | - | - | - | Jun 2025 | $215.41k | $659.58k | |
| Florida Municipal Power Agency | Orlando, FL | Municipally-Owned Utility | 2 | 1.1 TWh | Dec 2024 | Jul 2025 | $10.93M | $5.49M |
| Orlando Cogen Ltd LP | Orlando, FL | Independent Power Producer | - | 1.1 TWh | Dec 2023 | - | ||
| Orlando Utilities COMM | Orlando, FL | Municipally-Owned Utility | 5 | 4.3 TWh | Apr 2025 | Jun 2025 | $12.94M | |
| Apex Power Generation Corp. | Oroville, CA | Independent Power Producer | 1 | 672.3 MWh | Dec 2024 | - | ||
| Butte-Glenn Community College District | Oroville, CA | State-Owned Utility | 1 | 6.6 GWh | Dec 2024 | - | ||
| South Feather Water And Power Agency | Oroville, CA | Political Subdivision | 4 | 443.5 GWh | Dec 2024 | - | ||
| City Of Orrville - (Oh) | Orrville, OH | Municipally-Owned Utility | 1 | 15.9 GWh | Aug 2024 | - | ||
| City Of Osage - (Ia) | Osage, IA | Municipally-Owned Utility | 1 | 6.0 GWh | Dec 2024 | - | ||
| NRG Energy Services | Osceola, AR | Commercial|Independent Power Producer | 5 | 4.6 TWh | Apr 2025 | - | ||
| Winnebago County | Oshkosh, WI | Municipally-Owned Utility | 1 | 9.8 GWh | Dec 2024 | - | ||
| Oswego City Of | Oswego, NY | Municipally-Owned Utility | 1 | 29.4 GWh | Dec 2024 | - | ||
| Oswego County | Oswego, NY | Municipally-Owned Utility | 1 | 8.8 GWh | Dec 2024 | - | ||
| Oswego Harbor Power | Oswego, NY | Independent Power Producer | 1 | 45.8 GWh | Jan 2025 | Mar 2025 | $14.72M | |
| Air Force Civil Engineer Center | OTIS ANG Base, MA | Federally-Owned Utility | 1 | 10.4 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 | May 2025 | Nuclear |
| Barry | Bucks, Alabama | 14 TWh | Jan 1954 | May 2025 | Natural Gas : 93.4% Bituminous Coal : 6.6% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | May 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | May 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | May 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 29 TWh | Jul 1974 | May 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | May 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | May 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | May 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | May 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | May 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | May 2025 | Natural Gas : 77.9% Bituminous Coal : 21.9% |
| Diablo Canyon | Avila Beach, California | 19 TWh | Apr 1985 | May 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | May 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | May 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | May 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 12 TWh | Sep 1974 | May 2025 | Bituminous Coal : 99.4% Distillate Fuel Oil : 0.6% |
| Ghent | Ghent, Kentucky | 11 TWh | Jan 1974 | May 2025 | Bituminous Coal : 99.9% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | May 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 12 TWh | Jun 1985 | May 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | May 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | May 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | May 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | May 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 18 TWh | Sep 1978 | May 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 14 TWh | Nov 1977 | May 2025 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | May 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | May 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | May 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | May 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 16 TWh | Nov 1975 | May 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | May 2025 | Subbituminous Coal : 74.4% Bituminous Coal : 15.9% Petroleum Coke : 9.5% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | May 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | May 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | May 2025 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | May 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | May 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 11 TWh | May 2012 | May 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 17 TWh | May 1971 | May 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | May 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | May 2025 | Water |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | May 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | May 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | May 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | May 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | May 2025 | Nuclear : 67.4% Natural Gas : 32.6% |
| Vogtle | Waynesboro, Georgia | 35 TWh | Apr 1987 | May 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | May 2025 | Subbituminous Coal : 83.3% Natural Gas : 16.7% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | May 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | May 2025 | Natural Gas : 99.9% |