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 |
|---|---|---|---|---|---|---|---|---|
| Panda Solar NC 7 , LLC | Stamford, CT | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Panda Solar NC 8, LLC | Stamford, CT | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Panda Solar NC 9, LLC | Stamford, CT | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| Power Holding LLC | Stamford, CT | - | - | - | Sep 2025 | $8.37M | ||
| Roseton Generating LLC | Stamford, CT | - | - | - | Oct 2025 | $21.82M | ||
| Stamford Health Tully Health Center | Stamford, CT | Commercial | 1 | 5.0 GWh | Dec 2024 | - | ||
| U S Power Generating Company LLC | Stamford, CT | Independent Power Producer | 3 | 962.0 GWh | Dec 2024 | - | ||
| Stanford University Power LLC | Stanford, CA | - | - | - | Oct 2025 | $1.27M | $1.99M | |
| Strandness Garden LLC | Starbuck, MN | Independent Power Producer | 1 | 1.6 GWh | Dec 2024 | - | ||
| NRG Arthur Kill Operations Inc | Staten Island, NY | Independent Power Producer | 1 | 1.9 TWh | Mar 2026 | - | ||
| Stillwater Utilities Authority | Stillwater, OK | Municipally-Owned Utility | 3 | 146.1 GWh | Dec 2024 | Sep 2025 | $6.92M | |
| City Of Stockton Mud | Stockton, CA | Municipally-Owned Utility | 1 | 3.5 GWh | Dec 2024 | - | ||
| Avalon Hydropower LLC | Stoneville, NC | Independent Power Producer | 1 | 3.2 GWh | Mar 2026 | - | ||
| Nissequoque Cogen Partners | Stonybrook, NY | Independent Power Producer | 1 | 337.8 GWh | Dec 2024 | - | ||
| Doccs Greenhaven | Stormville, NY | Independent Power Producer | 1 | 6.5 GWh | Dec 2024 | - | ||
| University Of Connecticut | Storrs, CT | State-Owned Utility | 1 | 122.0 GWh | Mar 2026 | - | ||
| Hamilton Wind Energy LLC | Story City, IA | Independent Power Producer | 1 | 5.5 GWh | Dec 2024 | - | ||
| Town Of Stowe- (VT) | Stowe, VT | Municipally-Owned Utility | 1 | 1.3 GWh | Dec 2024 | - | ||
| McCallum Enterprises I LP | Stratford, CT | Independent Power Producer | 1 | 25.2 GWh | Dec 2024 | - | ||
| Sikorsky Aircraft Corporation | Stratford, CT | Industrial | 1 | 58.5 GWh | Dec 2024 | - | ||
| Reenergy Stratton LLC | Stratton, ME | Independent Power Producer | 1 | 216.1 GWh | Dec 2024 | Sep 2023 | ||
| Regenerate Livermore Falls LLC | Stratton, ME | - | - | - | Sep 2025 | $2.83M | ||
| Regenerate Stratton LLC | Stratton, ME | - | - | - | Sep 2025 | $1.44M | ||
| Industrial Assets, Inc. | Studio City, CA | - | - | - | Oct 2025 | $1.02M | ||
| City Of Sturgis - (Mi) | Sturgis, MI | Municipally-Owned Utility | 2 | 8.1 GWh | Dec 2024 | Jul 2020 | ||
| FPC Services Inc. | Sublette, IL | Independent Power Producer | 1 | 7.9 GWh | Dec 2024 | - | ||
| YAVI Energy LLC | Sudbury, MA | Independent Power Producer | - | - | Dec 2017 | Oct 2025 | $204.18k | |
| Creed Energy Center LLC | Suisun, CA | Independent Power Producer | 1 | 6.5 GWh | Dec 2024 | Oct 2025 | $0 | |
| Gilroy Energy Center For Riverview | Suisun, CA | Independent Power Producer | 3 | 39.6 GWh | Dec 2024 | Jul 2025 | $11.28M | |
| Goose Haven Energy Center | Suisun, CA | Independent Power Producer | 1 | 13.1 GWh | Dec 2024 | Oct 2025 | $0 | |
| Nautilus Solar Solutions | Summit, NJ | Independent Power Producer | 126 | 446.7 GWh | Mar 2026 | - | ||
| Nautilus Solar WPU LLC | Summit, NJ | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| City Of Sumner - (Ia) | Sumner, IA | Municipally-Owned Utility | 1 | 242.6 MWh | Dec 2024 | - | ||
| WPPI Energy | Sun Prairie, WI | Municipally-Owned Utility | 2 | 11.0 GWh | Dec 2024 | Oct 2025 | $53.67M | $44.97M |
| Elektron Power LLC | Sunderland, MD | - | - | - | Sep 2025 | $6.42k | ||
| Sunnyside Cogeneration Assoc | Sunnyside, UT | Independent Power Producer | 1 | 161.7 GWh | Jan 2026 | Aug 2025 | $1.12M | |
| CF Jersey Gardens Owner Two LLC | Sunnyvale, CA | Commercial | 1 | 3.0 GWh | Dec 2024 | - | ||
| Clean Focus Yield, LLC | Sunnyvale, CA | Independent Power Producer | 13 | 52.1 GWh | Dec 2024 | - | ||
| Sunnyvale City Of WPCP | Sunnyvale, CA | Municipally-Owned Utility | 1 | 10.4 GWh | Dec 2024 | - | ||
| Diamond Shamrock Refining Company LP | Sunray, TX | Industrial | 1 | 129.7 GWh | Dec 2024 | - | ||
| Village Of Swanton - (VT) | Swanton, VT | Municipally-Owned Utility | 1 | 51.4 GWh | Dec 2024 | - | ||
| Crane Solar Project, LLC | Syracuse, NY | Independent Power Producer | 1 | 436.2 GWh | Mar 2026 | - | ||
| City Of Tacoma - (Wa) | Tacoma, WA | Municipally-Owned Utility | 8 | 2.5 TWh | Mar 2026 | Jul 2024 | ||
| Frederickson Power LP | Tacoma, WA | Independent Power Producer | 1 | 1.9 TWh | Dec 2024 | Oct 2025 | $4.23M | $69.27k |
| Luning Energy LLC | Tahoe VIsta, CA | - | - | - | Sep 2025 | $1.49M | ||
| City Of Tallahassee - (FL) | Tallahassee, FL | Municipally-Owned Utility | 4 | 3.2 TWh | Mar 2026 | Sep 2025 | $1.33M | |
| City Of Tampa | Tampa, FL | Municipally-Owned Utility | 1 | 99.4 GWh | Mar 2026 | - | ||
| Hillsborough County | Tampa, FL | Municipally-Owned Utility | 1 | 235.4 GWh | Mar 2026 | - | ||
| MSS Energy Holdings, LLC (D.B.A. Calibrant Energy) | Tampa, FL | Commercial | 2 | 969.0 MWh | Dec 2024 | - | ||
| Nordic Energy Services, LLC | Tampa, FL | - | - | - | Oct 2025 | $3.08M | $2.13M | |
| Ntherm,LLC | Tampa, FL | - | - | - | Oct 2025 | $324.37k | ||
| S.J. Energy Partners, Inc. | Tampa, FL | - | - | - | Oct 2025 | $7.45k | $222.98k | |
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.6 TWh | Mar 2026 | Oct 2025 | $3.95M | $60.58M |
| Tampa Electric Co | Tampa, FL | Investor-Owned Utility | 46 | 21.7 TWh | Mar 2026 | Oct 2025 | $3.56M | $37.45M |
| Angel Fire Energy Facility, LLC | Taos, NM | Cooperative | 1 | 14.9 GWh | Dec 2024 | - | ||
| Taos Mesa Energy Facility, LLC | Taos, NM | Cooperative | 1 | 42.3 GWh | Mar 2026 | - | ||
| Regeneron Pharmaceuticals Inc. | Tarrytown, NY | Commercial | 1 | 2.1 GWh | Dec 2024 | - | ||
| A & N Electric Coop | Tasley, VA | Cooperative | 2 | 316.5 MWh | Dec 2024 | - | ||
| City Of Taunton | Taunton, MA | Municipally-Owned Utility | 2 | 134.8 GWh | Dec 2024 | - | ||
| Georgia-Pacific Wood Products LLC | Taylorsville, MS | Industrial | 1 | 59.1 GWh | Dec 2024 | - | ||
| Energia Sierra Juarez U.S., LLC | Tecate, BC | - | - | - | Oct 2025 | $13.37M | ||
| Wind Stream Operations LLC | Techachapi, CA | Independent Power Producer | 4 | 39.6 GWh | Dec 2024 | - | ||
| Kingman Energy Corp | Tehachapi, CA | Independent Power Producer | - | 6.0 GWh | Mar 2026 | - | ||
| Windstar Energy LLC | Tehachapi, CA | Independent Power Producer | - | - | Dec 2013 | Sep 2025 | $10.19M | |
| Arizona State University FDM | Tempe, AZ | Commercial | 1 | 1.2 GWh | Dec 2024 | - | ||
| Hallador Power Company, LLC | Terra Haute, IN | Independent Power Producer | 1 | 4.8 TWh | Mar 2026 | Oct 2025 | $50.47M | |
| South Houston Green Power LLC | Texas City, TX | Industrial | 3 | 4.7 TWh | Mar 2026 | - | ||
| Northern Wasco County Pud | The Dalles, OR | Political Subdivision | 2 | 117.4 GWh | Dec 2024 | Dec 2021 | ||
| Ar Searcy Project Company, LLC | The Woodlands, TX | - | - | - | Sep 2025 | $1.79M | ||
| Bowline, LLC | The Woodlands, TX | Independent Power Producer | 1 | 1.9 TWh | Mar 2026 | Sep 2025 | $20.09M | |
| Chalk Point Power, LLC | The Woodlands, TX | Independent Power Producer | 1 | 2.2 TWh | Mar 2026 | Oct 2025 | $67.00M | |
| Cranberry Point Energy Storage LLC | The Woodlands, TX | Independent Power Producer | 1 | -14.0 GWh | Mar 2026 | Sep 2025 | $2.71M | |
| Dickerson Power, LLC | The Woodlands, TX | Independent Power Producer | 1 | 273.3 GWh | Mar 2026 | Oct 2025 | $12.44M | |
| EAM Nelson Holding, LLC | The Woodlands, TX | - | - | - | Sep 2025 | $3.84M | $2.27M | |
| ECO Services Corp. | The Woodlands, TX | Industrial | 3 | 73.3 GWh | Dec 2024 | - | ||
| Ector County Generation, LLC | The Woodlands, TX | Independent Power Producer | 1 | 652.1 GWh | Dec 2024 | - | ||
| Ellwood Power, LLC | The Woodlands, TX | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | Sep 2025 | $1.18M | $66.15k |
| Entergy Power, LLC | The Woodlands, TX | - | - | - | Oct 2025 | $4.19M | ||
| Entergy Texas Inc. | The Woodlands, TX | Investor-Owned Utility | 11 | 13.2 TWh | Mar 2026 | Oct 2025 | $190.90M | $47.84M |
| EWO Marketing, LLC | The Woodlands, TX | - | - | - | Sep 2025 | $11.38M | $3.84M | |
| Jicarilla Solar 1 LLC | The Woodlands, TX | - | - | - | Sep 2025 | $650.49k | ||
| Jicarilla Storage 1 LLC | The Woodlands, TX | - | - | - | Sep 2025 | $199.40k | ||
| Mass Solar, LLC | The Woodlands, TX | Independent Power Producer | 4 | 20.3 GWh | Dec 2024 | - | ||
| MS Sunflower Project Company, LLC | The Woodlands, TX | - | - | - | Sep 2025 | $1.87M | ||
| PHR Holdings LLC | The Woodlands, TX | Independent Power Producer | 1 | 109.6 GWh | Mar 2026 | - | ||
| Repsol Renewables Na | The Woodlands, TX | Independent Power Producer | 14 | 2.4 TWh | Mar 2026 | - | ||
| Sierra Estrella Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -43.6 GWh | Mar 2026 | Oct 2025 | $10.97M | |
| Superstition Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -17.7 GWh | Mar 2026 | Oct 2025 | $4.24M | |
| Morris Energy Operations Company, LLC | The Woodland, TX | Independent Power Producer | 2 | 64.4 GWh | Dec 2024 | - | ||
| City Of Thief River Falls | Theif River Falls, MN | Municipally-Owned Utility | 1 | 2.9 GWh | Dec 2024 | - | ||
| Backbone Mountain Windpower, LLC | Thomas, WV | Independent Power Producer | - | - | Dec 2017 | Oct 2025 | $950.28k | |
| Calleguas Mun Water District | Thousand Oaks, CA | Municipally-Owned Utility | 2 | 4.2 GWh | Dec 2024 | - | ||
| GCC Trident LLC | Three Forks, MT | Industrial | 1 | 3.7 GWh | Dec 2024 | - | ||
| Sylvamo North America LLC | Ticonderoga, NY | Industrial | 1 | 229.3 GWh | Mar 2026 | - | ||
| Clean Water Services | Tigard, OR | Municipally-Owned Utility | 1 | 8.5 GWh | Mar 2026 | - | ||
| Tilton Energy LLC | Tilton, IL | Independent Power Producer | 1 | 69.3 GWh | Dec 2024 | Sep 2025 | $1.77M | |
| Janssen Pharmaceutical Co | Titusville, NJ | Industrial | 4 | 18.8 GWh | Dec 2024 | - | ||
| Tiverton Power LLC | Tiverton, RI | Independent Power Producer | 1 | 1.7 TWh | Dec 2024 | Sep 2025 | $20.48M | |
| Cot/Division Of Water Reclamation | Toledo, OH | Municipally-Owned Utility | 2 | 668.6 MWh | Dec 2024 | - | ||
| Toledo Zoological Society | Toledo, OH | Commercial | 1 | 1.5 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 | Mar 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Mar 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Mar 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Mar 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Mar 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Mar 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Mar 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | Mar 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Mar 2026 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Mar 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Mar 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Mar 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Mar 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Mar 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Mar 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Mar 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Mar 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Mar 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Mar 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Mar 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Mar 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Mar 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Mar 2026 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Mar 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Mar 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Mar 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Mar 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Mar 2026 | Subbituminous Coal : 75.0% Bituminous Coal : 16.0% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Mar 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Mar 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Mar 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Mar 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Mar 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Mar 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Mar 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 16 TWh | Nov 1972 | Mar 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Mar 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Mar 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | Mar 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Mar 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Mar 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Mar 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Mar 2026 | Nuclear : 68.1% Natural Gas : 31.9% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Mar 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Mar 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Mar 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Mar 2026 | Natural Gas |