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 |
|---|---|---|---|---|---|---|---|---|
| Prospero Energy Project, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 850.0 GWh | May 2025 | - | ||
| PNY Bess LLC | Boston, MA | - | - | - | Jul 2025 | $499.63k | ||
| Pleasantdale Road Solar, LLC | Boston, MA | Independent Power Producer | 1 | 1.4 GWh | Dec 2024 | - | ||
| Plainfield Solar LLC | Boston, MA | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Peterson Road Solar, LLC | Boston, MA | Independent Power Producer | 1 | 4.6 GWh | Dec 2024 | - | ||
| Pendleton Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 7.7 GWh | Dec 2024 | - | ||
| Owlville Creek Solar, LLC | Boston, MA | Independent Power Producer | 1 | 8.5 GWh | Dec 2024 | - | ||
| Owlville Creek Solar 2, LLC | Boston, MA | Independent Power Producer | 1 | 7.5 GWh | Dec 2023 | - | ||
| Orsted Wind Power North America LLC | Boston, MA | Independent Power Producer | 3 | 490.8 GWh | May 2025 | - | ||
| Orchard Ranch Solar, LLC | Boston, MA | Independent Power Producer | 1 | 49.3 GWh | May 2025 | - | ||
| Olney Solar II, LLC | Boston, MA | Independent Power Producer | 1 | 4.6 GWh | Dec 2024 | - | ||
| Old Frontier Solar III PV, LLC | Boston, MA | Independent Power Producer | 1 | 4.1 GWh | Dec 2024 | - | ||
| Off Airport Road - West, LLC | Boston, MA | Independent Power Producer | 1 | 6.9 GWh | Dec 2024 | - | ||
| Oe Il Solar 3, LLC | Boston, MA | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| Niagara Wind Power LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Jul 2025 | $849.42k | |
| Niagara Depot Solar, LLC | Boston, MA | Independent Power Producer | 1 | 5.2 GWh | Dec 2024 | - | ||
| Nexamp Peak, LLC | Boston, MA | Independent Power Producer | 1 | 2.3 GWh | Dec 2024 | - | ||
| Newfield Solar LLC | Boston, MA | Independent Power Producer | 1 | 8.5 GWh | Dec 2024 | - | ||
| New Hampshire Hydro Associates | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| MWRA Charlestown | Boston, MA | State-Owned Utility | 1 | 1.3 GWh | Dec 2024 | - | ||
| Mustang Hills, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 312.4 GWh | Dec 2024 | Jun 2025 | $7.78M | |
| Murphy Flat Power, LLC | Boston, MA | Independent Power Producer | 1 | 44.6 GWh | May 2025 | - | ||
| Montague Road Solar, LLC | Boston, MA | Independent Power Producer | 1 | 4.9 GWh | Dec 2024 | - | ||
| Monson Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| MILO CSG, LLC | Boston, MA | Independent Power Producer | 1 | 7.1 GWh | Dec 2024 | - | ||
| Milford Wind Corridor Stage II LLC | Boston, MA | Independent Power Producer | 1 | 191.9 GWh | May 2025 | - | ||
| Milford Wind Corridor Phase II, LLC | Boston, MA | - | - | - | Jun 2025 | $2.73M | $25.16k | |
| Milford Wind Corridor Phase I, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 417.9 GWh | May 2025 | - | ||
| Milford Wind Corridor Phase I LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Jun 2025 | $4.26M | $47.33k |
| Meadow Creek Project Company LLC | Boston, MA | - | - | - | Jun 2025 | $7.43M | ||
| Matep LLC | Boston, MA | Commercial | 1 | 369.6 GWh | Dec 2023 | Jun 2025 | $12.51M | $4.72M |
| Massachusetts Water Res AUTH | Boston, MA | State-Owned Utility | 3 | 3.7 GWh | Dec 2024 | - | ||
| Marlborough Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Maine DG Solar Pittsfield, LLC | Boston, MA | Independent Power Producer | 1 | 8.7 GWh | Dec 2024 | - | ||
| Maine DG Solar Monmouth, LLC | Boston, MA | Independent Power Producer | 1 | 9.6 GWh | Dec 2024 | - | ||
| Maine DG Solar Harmony, LLC | Boston, MA | Independent Power Producer | 1 | 9.2 GWh | Dec 2024 | - | ||
| Maine DG Solar Baldwin, LLC | Boston, MA | Independent Power Producer | 1 | 10.1 GWh | Dec 2024 | - | ||
| Maine DG Solar Augusta, LLC | Boston, MA | Independent Power Producer | 1 | 4.8 GWh | Dec 2024 | - | ||
| LR Wheatfield Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 8.6 GWh | Dec 2024 | - | ||
| Long Plain Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| Livermore Falls CSG, LLC | Boston, MA | Independent Power Producer | 1 | 5.5 GWh | Dec 2024 | - | ||
| Little Falls Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Little Falls Solar | Boston, MA | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Little Bear Solar 5, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 135.6 GWh | May 2025 | - | ||
| Little Bear Solar 5, LLC | Boston, MA | - | - | - | Jun 2025 | $1.03M | ||
| Little Bear Solar 4, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 50.3 GWh | May 2025 | - | ||
| Little Bear Solar 4, LLC | Boston, MA | - | - | - | Jun 2025 | $651.57k | ||
| Little Bear Solar 3, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 28.3 GWh | Dec 2024 | - | ||
| Little Bear Solar 3, LLC | Boston, MA | - | - | - | Jun 2025 | $320.81k | ||
| Little Bear Solar 1, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 95.1 GWh | May 2025 | - | ||
| Lenox Renewables, LLC | Boston, MA | Independent Power Producer | 1 | 5.5 GWh | Dec 2024 | - | ||
| 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 | - | ||
| Kingfisher Wind LLC | Boston, MA | Independent Power Producer | 1 | 910.9 GWh | May 2025 | Jul 2025 | $1.88M | |
| Keycon Operating LLC | Boston, MA | Independent Power Producer | 2 | 7.5 TWh | May 2025 | - | ||
| Kearsarge Wilmington LLC | Boston, MA | Independent Power Producer | 1 | 2.3 GWh | Dec 2024 | - | ||
| Kearsarge William Way LLC | Boston, MA | Independent Power Producer | 1 | 7.7 GWh | Dec 2024 | - | ||
| Kearsarge Westerly LLC | Boston, MA | Independent Power Producer | 1 | 6.8 GWh | Dec 2024 | - | ||
| Kearsarge West Shore Solar LLC | Boston, MA | Independent Power Producer | 1 | 9.2 GWh | Dec 2024 | - | ||
| Kearsarge Uxbridge LLC | Boston, MA | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| Kearsarge Upper Union LLC | Boston, MA | Independent Power Producer | 1 | 1.7 GWh | Dec 2024 | - | ||
| Kearsarge Solar LLC | Boston, MA | Independent Power Producer | 6 | 21.5 GWh | Dec 2024 | - | ||
| Kearsarge Smithfield LLC | Boston, MA | Independent Power Producer | 1 | 14.3 GWh | Dec 2024 | - | ||
| Kearsarge SKSC2 LLC | Boston, MA | Independent Power Producer | 1 | 6.0 GWh | Dec 2024 | - | ||
| Kearsarge SKSC1 LLC | Boston, MA | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Kearsarge Oppenheim LLC | Boston, MA | Independent Power Producer | 1 | 2.3 GWh | Dec 2024 | - | ||
| Kearsarge Onset LLC | Boston, MA | Independent Power Producer | 2 | 3.6 GWh | Dec 2024 | - | ||
| Kearsarge Montague LLC | Boston, MA | Independent Power Producer | 2 | 10.8 GWh | Dec 2024 | - | ||
| Kearsarge Ludlow LLC | Boston, MA | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Kearsarge Johnstown 2 LLC | Boston, MA | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Kearsarge Johnstown 1 LLC | Boston, MA | Independent Power Producer | 1 | 2.4 GWh | Dec 2024 | - | ||
| Kearsarge Haverhill LLC | Boston, MA | Independent Power Producer | 1 | 4.2 GWh | Dec 2024 | - | ||
| Kearsarge Granby LLC | Boston, MA | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| Kearsarge Gill LLC | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Kearsarge GB LLC | Boston, MA | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Kearsarge Fogland LLC | Boston, MA | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Kearsarge East Providence LLC | Boston, MA | Independent Power Producer | 1 | 3.2 GWh | Dec 2024 | - | ||
| Kearsarge Concord II LLC | Boston, MA | Independent Power Producer | 1 | 7.1 GWh | Dec 2024 | - | ||
| Kearsarge Beverly LLC | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2023 | - | ||
| Kearsarge Bellingham LLC | Boston, MA | Independent Power Producer | 1 | 5.0 GWh | Dec 2024 | - | ||
| Kearsarge Amesbury LLC | Boston, MA | Independent Power Producer | 1 | 5.6 GWh | Dec 2024 | - | ||
| Kearsarge Acushnet LLC | Boston, MA | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Iron Springs Solar, LLC | Boston, MA | Independent Power Producer | - | - | - | Jun 2025 | $2.31M | |
| Il West Hallock Project1, LLC | Boston, MA | Independent Power Producer | 1 | 5.0 GWh | Dec 2024 | - | ||
| Il Sidney Project1, LLC | Boston, MA | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| Idaho Wind Partners 1 LLC | Boston, MA | Independent Power Producer | 11 | 605.5 GWh | Dec 2024 | - | ||
| Howard Wind LLC | Boston, MA | |Independent Power Producer | 1 | 120.9 GWh | Dec 2024 | Jul 2025 | $6.04M | |
| Holyoke Bess LLC | Boston, MA | - | - | - | Jul 2025 | $233.67k | ||
| Hatfield Renewables, LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2024 | - | ||
| Harvest Gold Solar Power, LLC | Boston, MA | Independent Power Producer | 1 | 153.4 GWh | May 2025 | Feb 2025 | $660.26k | |
| Harbor Road Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2024 | - | ||
| 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 | 6.3 GWh | Dec 2024 | - | ||
| Hadley 2 Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Griffin Road Solar 2, LLC | Boston, MA | Independent Power Producer | 1 | 2.4 GWh | Dec 2024 | - | ||
| Grays Ferry Cogeneration Partnership | Boston, MA | - | - | - | Jul 2025 | $14.70M | ||
| Granite Mountain Solar West, LLC | Boston, MA | Independent Power Producer | - | - | - | Jun 2025 | $1.23M | |
| Granite Mountain Solar East LLC | Boston, MA | Independent Power Producer | - | - | - | Jun 2025 | $2.04M | |
| Granby Solar, LLC | Boston, MA | Independent Power Producer | 1 | 6.3 GWh | Dec 2024 | - | ||
| Golden Hills Solar, LLC | Boston, MA | Independent Power Producer | 1 | 8.1 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% |