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 |
|---|---|---|---|---|---|---|---|---|
| Maine DG Solar Baldwin, LLC | Boston, MA | Independent Power Producer | 1 | 10.0 GWh | Dec 2025 | - | ||
| Maine DG Solar Augusta, LLC | Boston, MA | Independent Power Producer | 1 | 5.0 GWh | Dec 2025 | - | ||
| LR Wheatfield Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 8.6 GWh | Dec 2025 | - | ||
| Long Plain Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| Livermore Falls CSG, LLC | Boston, MA | Independent Power Producer | 1 | 4.6 GWh | Dec 2025 | - | ||
| Little Falls Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| Little Falls Solar | Boston, MA | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| Little Bear Solar 5, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 121.6 GWh | May 2026 | - | ||
| Little Bear Solar 5, LLC | Boston, MA | - | - | - | Sep 2025 | $1.73M | ||
| Little Bear Solar 4, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 40.0 GWh | May 2026 | - | ||
| Little Bear Solar 4, LLC | Boston, MA | - | - | - | Sep 2025 | $286.92k | ||
| Little Bear Solar 3, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 21.8 GWh | Dec 2025 | - | ||
| Little Bear Solar 3, LLC | Boston, MA | - | - | - | Sep 2025 | $194.59k | ||
| Little Bear Solar 1, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 71.4 GWh | May 2026 | - | ||
| Lenox Renewables, LLC | Boston, MA | Independent Power Producer | 1 | 5.7 GWh | Dec 2025 | - | ||
| Lansing Renewables, LLC | Boston, MA | Independent Power Producer | 1 | 8.2 GWh | Dec 2024 | - | ||
| Lakota Ridge, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 18.2 GWh | Dec 2024 | - | ||
| Lake Wilson Solar, LLC | Boston, MA | Independent Power Producer | 1 | 1.5 GWh | Dec 2025 | - | ||
| Lake Lilian Solar, LLC | Boston, MA | Independent Power Producer | 1 | 2.0 GWh | Dec 2025 | - | ||
| Kingfisher Wind LLC | Boston, MA | Independent Power Producer | 1 | 945.2 GWh | May 2026 | Oct 2025 | $1.51M | |
| Keycon Operating LLC | Boston, MA | Independent Power Producer | 2 | 9.3 TWh | May 2026 | - | ||
| Kearsarge Wilmington LLC | Boston, MA | Independent Power Producer | 1 | 2.2 GWh | Dec 2025 | - | ||
| Kearsarge William Way LLC | Boston, MA | Independent Power Producer | 1 | 7.6 GWh | Dec 2025 | - | ||
| Kearsarge Westerly LLC | Boston, MA | Independent Power Producer | 1 | 7.0 GWh | Dec 2025 | - | ||
| Kearsarge West Shore Solar LLC | Boston, MA | Independent Power Producer | 1 | 9.2 GWh | Dec 2025 | - | ||
| Kearsarge Uxbridge LLC | Boston, MA | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| Kearsarge Upper Union LLC | Boston, MA | Independent Power Producer | 1 | 1.6 GWh | Dec 2025 | - | ||
| Kearsarge Solar LLC | Boston, MA | Independent Power Producer | 6 | 20.3 GWh | Dec 2025 | - | ||
| Kearsarge Smithfield LLC | Boston, MA | Independent Power Producer | 1 | 14.6 GWh | Dec 2025 | - | ||
| Kearsarge SKSC2 LLC | Boston, MA | Independent Power Producer | 1 | 5.8 GWh | Dec 2025 | - | ||
| Kearsarge SKSC1 LLC | Boston, MA | Independent Power Producer | 1 | 5.7 GWh | Dec 2025 | - | ||
| Kearsarge Riverpark I LLC | Boston, MA | Independent Power Producer | 2 | -243.0 MWh | Dec 2025 | Sep 2025 | $136.03k | |
| Kearsarge Oppenheim LLC | Boston, MA | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | - | ||
| Kearsarge Onset LLC | Boston, MA | Independent Power Producer | 2 | 3.3 GWh | Dec 2025 | - | ||
| Kearsarge Montague LLC | Boston, MA | Independent Power Producer | 2 | 10.1 GWh | Dec 2025 | - | ||
| Kearsarge Ludlow LLC | Boston, MA | Independent Power Producer | 1 | 5.8 GWh | Dec 2025 | - | ||
| Kearsarge Johnstown 2 LLC | Boston, MA | Independent Power Producer | 1 | 3.2 GWh | Dec 2025 | - | ||
| Kearsarge Johnstown 1 LLC | Boston, MA | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | - | ||
| Kearsarge Haverhill LLC | Boston, MA | Independent Power Producer | 1 | 4.1 GWh | Dec 2025 | - | ||
| Kearsarge Granby LLC | Boston, MA | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| Kearsarge Gill LLC | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Kearsarge GB LLC | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Kearsarge Fogland LLC | Boston, MA | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| Kearsarge East Providence LLC | Boston, MA | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| Kearsarge Concord II LLC | Boston, MA | Independent Power Producer | 1 | 6.9 GWh | Dec 2025 | - | ||
| Kearsarge Beverly LLC | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Kearsarge Bellingham LLC | Boston, MA | Independent Power Producer | 1 | 4.8 GWh | Dec 2025 | - | ||
| Kearsarge Amesbury LLC | Boston, MA | Independent Power Producer | 1 | 5.2 GWh | Dec 2025 | - | ||
| Kearsarge Acushnet LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2025 | - | ||
| Iron Springs Solar, LLC | Boston, MA | Independent Power Producer | - | - | - | Sep 2025 | $3.38M | |
| Il West Hallock Project1, LLC | Boston, MA | Independent Power Producer | 1 | 4.7 GWh | Dec 2025 | - | ||
| Il Sidney Project1, LLC | Boston, MA | Independent Power Producer | 1 | 4.7 GWh | Dec 2025 | - | ||
| Idaho Wind Partners 1 LLC | Boston, MA | Independent Power Producer | 11 | 534.5 GWh | Dec 2025 | - | ||
| Howard Wind LLC | Boston, MA | |Independent Power Producer | - | 120.9 GWh | Dec 2024 | Oct 2025 | $2.65M | |
| Holyoke Bess LLC | Boston, MA | - | - | - | Oct 2025 | $203.60k | ||
| Hatfield Renewables, LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2025 | - | ||
| Harvest Gold Solar Power, LLC | Boston, MA | Independent Power Producer | 1 | 209.0 GWh | May 2026 | Sep 2025 | $2.62M | |
| Harbor Road Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Hales Mills Solar, LLC | Boston, MA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Hadley 3 Solar, LLC (South) | Boston, MA | Independent Power Producer | 2 | 6.1 GWh | Dec 2025 | - | ||
| Hadley 2 Solar, LLC | Boston, MA | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Griffin Road Solar 2, LLC | Boston, MA | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | - | ||
| Grays Ferry Cogeneration Partnership | Boston, MA | - | - | - | Oct 2025 | $7.26M | ||
| Granite Mountain Solar West, LLC | Boston, MA | Independent Power Producer | - | - | - | Sep 2025 | $2.12M | |
| Granite Mountain Solar East LLC | Boston, MA | Independent Power Producer | - | - | - | Sep 2025 | $3.05M | |
| Granby Solar, LLC | Boston, MA | Independent Power Producer | 1 | 6.1 GWh | Dec 2025 | - | ||
| Golden Hills Solar, LLC | Boston, MA | Independent Power Producer | 1 | 7.7 GWh | Dec 2025 | - | ||
| French Road Solar II, LLC | Boston, MA | Independent Power Producer | 1 | 4.6 GWh | Dec 2025 | - | ||
| Foster Solar, LLC | Boston, MA | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| Fitchburg Renewables, LLC | Boston, MA | Independent Power Producer | 1 | 6.3 GWh | Dec 2025 | - | ||
| Finger Lakes Solar I, LLC | Boston, MA | Independent Power Producer | 1 | 3.3 GWh | Dec 2025 | - | ||
| Farley Road Solar, LLC | Boston, MA | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| Evergreen Wind Power LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Sep 2025 | $2.69M | |
| Evergreen Wind Power III LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Sep 2025 | $2.52M | |
| Evergreen Wind Power II LLC | Boston, MA | Independent Power Producer | - | - | - | Sep 2025 | $7.05M | |
| Evergreen Wind, LLC | Boston, MA | Independent Power Producer | 26 | 2.1 TWh | May 2026 | - | ||
| Erie Wind LLC | Boston, MA | Independent Power Producer | - | - | - | Oct 2025 | $404.21k | |
| Electric Avenue Lunenburg Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 2.6 GWh | Dec 2025 | - | ||
| El Campo Wind, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 902.7 GWh | May 2026 | - | ||
| Edwardsville Solar II, LLC | Boston, MA | Independent Power Producer | 1 | 4.2 GWh | Dec 2025 | - | ||
| Dudley Solar, LLC | Boston, MA | Independent Power Producer | 1 | 2.9 GWh | Dec 2025 | - | ||
| Double Black Diamond Solar Power, LLC | Boston, MA | - | - | - | Sep 2025 | $25.52M | ||
| Double Back Diamond Solar Power, LLC | Boston, MA | Independent Power Producer | 1 | 1.1 TWh | May 2026 | - | ||
| Dodge Renewables 2, LLC | Boston, MA | Independent Power Producer | 1 | 2.2 GWh | Dec 2025 | - | ||
| Dodge Renewables 1, LLC | Boston, MA | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | - | ||
| Devonshire Energy LLC | Boston, MA | - | - | - | Oct 2025 | $253.99k | ||
| Dartmouth Farms Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.9 GWh | Dec 2025 | - | ||
| Cutlass Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 189.8 GWh | May 2026 | - | ||
| Cricket Valley Energy Center LLC | Boston, MA | Independent Power Producer | 1 | 6.5 TWh | May 2026 | Oct 2025 | $55.20M | |
| Cream Street Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| Clay FC, LLC | Boston, MA | Independent Power Producer | 1 | 4.0 GWh | Dec 2025 | - | ||
| Clark Road Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 8.3 GWh | Dec 2025 | - | ||
| Citizens Imperial Solar LLC | Boston, MA | - | - | - | Oct 2025 | $683.51k | ||
| Citizens Enterprises Corporation | Boston, MA | Independent Power Producer | 26 | 208.7 GWh | May 2026 | - | ||
| Chester Woods Point Solar, LLC | Boston, MA | Independent Power Producer | 1 | 4.2 GWh | Dec 2025 | - | ||
| Charlton Solar I, LLC | Boston, MA | Independent Power Producer | 1 | 5.5 GWh | Dec 2025 | - | ||
| Castle Gap Wind Power, LLC | Boston, MA | Independent Power Producer | 1 | 670.4 GWh | May 2026 | - | ||
| Carroll County Energy LLC | Boston, MA | Independent Power Producer | 1 | 6.0 TWh | May 2026 | Oct 2025 | $62.39M | |
| Canandaigua Power Partners LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Oct 2025 | $2.04M | |
| Canandaigua Power Partners II LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Oct 2025 | $888.72k |
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 |