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 |
|---|---|---|---|---|---|---|---|---|
| Heritage Sustainable Energy, LLC | Independent Power Producer | 4 | 14.4 GWh | Dec 2025 | - | |||
| Howard County - Maryland | Municipally-Owned Utility | 1 | 271.7 MWh | Dec 2025 | - | |||
| Hydro Sierra Energy LLC | Independent Power Producer | 1 | 2.1 GWh | Dec 2025 | - | |||
| Hydrodynamics Inc | Independent Power Producer | 2 | 10.0 GWh | Dec 2025 | - | |||
| Industrial Energy Applications Inc | Independent Power Producer | 19 | 500.5 MWh | May 2026 | - | |||
| Langford Wind Power LLC | Independent Power Producer | 1 | 638.0 GWh | Dec 2025 | - | |||
| Leaf River Cellulose LLC | Industrial | 1 | 467.9 GWh | May 2026 | - | |||
| Listonburg Solar LLC | Independent Power Producer | 1 | 23.3 GWh | Dec 2025 | - | |||
| MEC Holdings LLC | Independent Power Producer | 1 | 2.8 TWh | Dec 2025 | - | |||
| Medway Grid LLC | Independent Power Producer | 1 | 19.5 GWh | May 2026 | - | |||
| MF Mesa Lane LLC | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | |||
| Midlothian Energy LLC | Independent Power Producer | 1 | 7.7 TWh | May 2026 | - | |||
| Mondu Solar LLC | Independent Power Producer | 1 | 21.6 GWh | May 2026 | - | |||
| Montevue Lane Solar LLC | Commercial | 1 | 20.5 GWh | Dec 2025 | - | |||
| Musselshell Wind Project LLC | Independent Power Producer|Investor-Owned Utility | 2 | 54.0 GWh | Dec 2024 | - | |||
| Niagara Mohawk Power Corp | 1 | - | Dec 2004 | Oct 2025 | $12.99M | $26.33M | ||
| Northbrook Lyons Falls LLC | Independent Power Producer | 3 | 37.5 GWh | Dec 2025 | - | |||
| NRG Energy Inc | Independent Power Producer | 1 | 293.3 GWh | Dec 2025 | - | |||
| NRG Solar Blythe II LLC | Independent Power Producer | 1 | 43.4 GWh | Dec 2025 | - | |||
| NTUA Generation - Utah, LLC | Independent Power Producer | 1 | 205.3 GWh | May 2026 | - | |||
| Orion Solar I LLC | Independent Power Producer | 1 | 28.7 GWh | Dec 2025 | - | |||
| PATU Wind Farm LLC | Independent Power Producer | 1 | 1.1 GWh | Dec 2025 | - | |||
| Pechin Solar LLC | Independent Power Producer | 1 | 24.7 GWh | Dec 2025 | - | |||
| Phelan Solar LLC | Independent Power Producer | 1 | 6.7 GWh | Dec 2025 | - | |||
| Pine Grove Solar LLC | Independent Power Producer | 1 | 1.8 GWh | Dec 2025 | - | |||
| Prairie Switch Wind LLC | Independent Power Producer | 1 | 560.8 GWh | May 2026 | - | |||
| Ridgeline Energy LLC | Independent Power Producer | 2 | 564.0 GWh | Dec 2025 | - | |||
| Rivanna Solar LLC | Independent Power Producer | 1 | 21.5 GWh | Dec 2025 | - | |||
| Robbins Lumber Inc | Industrial | 2 | 56.4 GWh | Dec 2024 | - | |||
| Salt Creek Wind LLC | Independent Power Producer | 1 | 360.0 GWh | May 2026 | - | |||
| Santa CRUZ Energy LLC | Independent Power Producer | 1 | 9.6 GWh | Dec 2025 | - | |||
| Scout Clean Energy LLC | Independent Power Producer | 1 | 681.9 GWh | May 2026 | - | |||
| Seneca Sustainable Energy LLC | Industrial | 1 | 131.1 GWh | Dec 2025 | - | |||
| Sentinel Peak Resources California LLC | Industrial | 3 | 89.5 GWh | Dec 2025 | - | |||
| Shepherds Flat Wind LLC | Independent Power Producer | 3 | 2.0 TWh | May 2026 | - | |||
| Silver Star I Power Partners LLC | Independent Power Producer | 1 | 221.4 GWh | Dec 2025 | - | |||
| Snow Mountain Hydro LLC | Independent Power Producer | 4 | 39.2 GWh | Dec 2025 | - | |||
| Solamerica Energy LLC | Independent Power Producer | 7 | 7.9 GWh | Dec 2025 | - | |||
| Solar Oasis LLC | Independent Power Producer | 1 | 55.4 GWh | Dec 2025 | - | |||
| South Boston Energy LLC | Cooperative | 1 | 385.3 GWh | Dec 2024 | - | |||
| Spectrum Solar LLC | Independent Power Producer | 1 | 11.3 GWh | Dec 2025 | - | |||
| SPS Atwell Island LLC | Independent Power Producer | 1 | 35.3 GWh | Dec 2025 | - | |||
| Star Peak Geothermal LLC | Independent Power Producer | 1 | 47.7 GWh | Dec 2025 | - | |||
| Starvation Solar I LLC | Independent Power Producer | 1 | 23.9 GWh | Dec 2025 | - | |||
| Stephens Ranch Wind Energy LLC | Commercial | 1 | 936.9 GWh | May 2026 | - | |||
| Taygete Energy Project LLC | Independent Power Producer | 1 | 585.8 GWh | May 2026 | - | |||
| Tesla Inc. | Commercial|Independent Power Producer | 87 | 262.8 GWh | Dec 2025 | - | |||
| TG Windfarm LLC | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | |||
| Thermo No 1 Be 01 LLC | Independent Power Producer | 2 | 61.7 GWh | Dec 2025 | - | |||
| Tofteland Windfarm LLC | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | |||
| Trona Solar III LLC | Independent Power Producer | 1 | 5.6 GWh | Dec 2025 | - | |||
| Tulsa LFG LLC | Independent Power Producer | 1 | 16.1 GWh | Dec 2025 | - | |||
| Twin Cities Hydro LLC | Independent Power Producer | 1 | 104.4 GWh | Dec 2025 | - | |||
| Westlands Almond LLC | Independent Power Producer | 1 | 51.2 GWh | Dec 2025 | - | |||
| Westridge Windfarm LLC | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | |||
| Wharton County Generation LLC | Independent Power Producer | 1 | 5.5 GWh | Dec 2025 | - | |||
| Whirlwind Energy LLC | Independent Power Producer | 1 | 112.4 GWh | Dec 2024 | - | |||
| Windcurrent Farms LLC | Independent Power Producer | 1 | 5.2 GWh | Dec 2025 | - | |||
| Wise County Power Company LLC | Independent Power Producer | 1 | 3.4 TWh | May 2026 | - |
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 |