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 |
|---|---|---|---|---|---|---|---|---|
| Sunvest Solar LLC | Pewaukee, WI | Independent Power Producer | 9 | 26.4 GWh | Dec 2025 | - | ||
| Superstition Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -17.4 GWh | Aug 2026 | Oct 2025 | $4.24M | |
| Surbrook Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 20.0 GWh | Dec 2025 | - | ||
| Susquehanna Nuclear, LLC | Houston, TX | - | - | - | Oct 2025 | $119.45M | ||
| Sustaining Power Solutions LLC | Houston, TX | - | - | - | Oct 2025 | $21.86M | ||
| Sutter Santa Rosa Solar LLC | Santa Rosa, CA | Independent Power Producer | 1 | 2.2 GWh | Dec 2025 | - | ||
| Sutton Solar 2, LLC | Boston, MA | Independent Power Producer | 1 | 1.3 GWh | Dec 2025 | - | ||
| Sutton Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.3 GWh | Dec 2025 | - | ||
| SV CSG Afton I, LLC | Annapolis, MD | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| SV CSG Baileyville 1 LLC | Pewaukee, WI | Independent Power Producer | 1 | 4.7 GWh | Dec 2025 | - | ||
| SV CSG Baileyville 2 LLC | Pewaukee, WI | Independent Power Producer | 1 | 4.5 GWh | Dec 2025 | - | ||
| SV CSG Barrass Farms II LLC | Pewaukee, WI | Investor-Owned Utility | 1 | 4.9 GWh | Dec 2025 | - | ||
| SV CSG Gardner 1 LLC | Arlington, VA | Independent Power Producer | 1 | 4.4 GWh | Dec 2025 | - | ||
| SV CSG Lily Lake 2 LLC | Clearwater, FL | Independent Power Producer | 1 | 1.6 GWh | Dec 2025 | - | ||
| SV CSG Prophetstown 1, LLC | Prophetstown, IL | Independent Power Producer | 1 | 370.0 MWh | Dec 2025 | - | ||
| SV CSG South Dekalb 1 LLC | Pewaukee, WI | Independent Power Producer | 1 | 4.8 GWh | Dec 2025 | - | ||
| SV CSG South Dekalb 2 LLC | Geneva, IL | Independent Power Producer | 1 | 4.8 GWh | Dec 2025 | - | ||
| Svihel Community Solar LLC | Schenectady, NY | Independent Power Producer | 1 | 1.8 GWh | Dec 2025 | - | ||
| Swamp Fox Solar, LLC | Charlotte, NC | Independent Power Producer | - | 24.0 GWh | Dec 2024 | Sep 2025 | $313.61k | |
| Swan Garden LLC | Minneapolis, MN | Independent Power Producer | 1 | 2.2 GWh | Dec 2025 | - | ||
| Swansboro Solar, LLC | Calgary, AB | Independent Power Producer | 1 | 6.7 GWh | Dec 2025 | - | ||
| Sweeny Cogeneration LLC | Houston, TX | Industrial | 1 | 3.2 TWh | Aug 2026 | - | ||
| Sweet Tea Solar, LLC | Calgary, AB | Independent Power Producer | 1 | 6.2 GWh | Dec 2025 | - | ||
| Sweetland Wind Farm, LLC | Boulder, CO | Independent Power Producer | 1 | 921.8 GWh | Aug 2026 | Oct 2025 | $887.22k | |
| Sweetwater Solar LLC | Irvine, CA | Independent Power Producer | - | - | Dec 2023 | Sep 2025 | $2.44M | |
| SWG Arapahoe, LLC | Denver, CO | Independent Power Producer | 1 | 425.5 GWh | Aug 2026 | Jun 2025 | $3.88M | |
| Swiftwater Solar, LLC | Newark, NJ | - | - | - | Sep 2025 | $177.46k | ||
| Switched On, LLC | Las Vegas, NV | - | - | - | Sep 2025 | $49.88k | $54.74k | |
| Sycamore Cogeneration Co | Bakersfield, CA | Industrial | 1 | 146.5 GWh | Aug 2026 | Sep 2015 | ||
| Sycamore Energy LLC | Lockport, NY | Independent Power Producer | 1 | 25.4 GWh | Dec 2025 | - | ||
| Sylvamo Corporation - Eastover | Eastover, SC | Industrial | 1 | 588.4 GWh | Aug 2026 | - | ||
| Sylvamo North America LLC | Ticonderoga, NY | Industrial | 1 | 225.6 GWh | Aug 2026 | - | ||
| Syncarpha Alethea I, LLC | New York, NY | Independent Power Producer | 1 | 3.8 GWh | Dec 2025 | - | ||
| Syncarpha Blandford, LLC | New York, NY | Independent Power Producer | 1 | 8.3 GWh | Dec 2025 | - | ||
| Syncarpha Bondsville, LLC | New York, NY | Independent Power Producer | 1 | 6.3 GWh | Dec 2025 | - | ||
| Syncarpha Eagle Nest I, LLC | New York, NY | Independent Power Producer | 1 | 2.2 GWh | Dec 2025 | - | ||
| Syncarpha El RITO I, LLC | New York, NY | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| Syncarpha Halifax, LLC | New York, NY | Independent Power Producer | 1 | 2.9 GWh | Dec 2025 | - | ||
| Syncarpha Hancock I, LLC | New York, NY | Independent Power Producer | 1 | 2.7 GWh | Dec 2025 | - | ||
| Syncarpha Hancock II, LLC | New York, NY | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Syncarpha Hancock III, LLC | New York, NY | Independent Power Producer | 1 | 1.5 GWh | Dec 2025 | - | ||
| Syncarpha Leicester, LLC | New York, NY | Independent Power Producer | 1 | 4.6 GWh | Dec 2025 | - | ||
| Syncarpha Lexington, LLC | New York, NY | Independent Power Producer | 1 | 2.6 GWh | Dec 2025 | - | ||
| Syncarpha Massachusetts, LLC | New York, NY | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Syncarpha Millbury, LLC | New York, NY | Independent Power Producer | 1 | 8.4 GWh | Dec 2025 | - | ||
| Syncarpha North Adams, LLC | New York, NY | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| Syncarpha Northampton, LLC | New York, NY | Independent Power Producer | 1 | 5.1 GWh | Dec 2025 | - | ||
| Syncarpha Northbridge I, LLC | New York, NY | Independent Power Producer | 1 | 9.0 GWh | Dec 2025 | - | ||
| Syncarpha Northbridge II, LLC | New York, NY | Independent Power Producer | 1 | 7.9 GWh | Dec 2025 | - | ||
| Syncarpha Palmer, LLC | New York, NY | Independent Power Producer | 1 | 7.6 GWh | Dec 2025 | - | ||
| Syncarpha Puddon I, LLC | New York, NY | Independent Power Producer | 1 | 8.8 GWh | Dec 2025 | - | ||
| Syncarpha Puddon II, LLC | New York, NY | Independent Power Producer | 1 | 9.0 GWh | Dec 2025 | - | ||
| Syncarpha Questa I, LLC | New York, NY | Independent Power Producer | 1 | 3.9 GWh | Dec 2025 | - | ||
| Syncarpha Still River, LLC | New York, NY | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| Syncarpha Taos I, LLC | New York, NY | Independent Power Producer | 1 | 8.1 GWh | Dec 2025 | - | ||
| Syncarpha Tewksbury, LLC | New York, NY | Independent Power Producer | 1 | 4.1 GWh | Dec 2025 | - | ||
| Syncarpha Westminster, LLC | New York, NY | Independent Power Producer | 1 | 6.0 GWh | Dec 2025 | - | ||
| Syracuse, L.L.C. | Warner Robins, GA | - | - | - | Oct 2025 | $1.66M | $53.30k | |
| System Energy Resources, Inc | Jackson, MS | Investor-Owned Utility | 1 | 11.7 TWh | Aug 2026 | Sep 2025 | $144.80M |
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 | Aug 2026 | Nuclear |
| Barry | Bucks, Alabama | 14 TWh | Jan 1954 | Aug 2026 | Natural Gas : 96.4% Bituminous Coal : 3.6% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Aug 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Aug 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Aug 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | Aug 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Aug 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Aug 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Aug 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | Aug 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Aug 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Aug 2026 | Natural Gas : 69.9% Bituminous Coal : 29.9% |
| Diablo Canyon | Avila Beach, California | 19 TWh | Apr 1985 | Aug 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Aug 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Aug 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Aug 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 12 TWh | Sep 1974 | Aug 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 19 TWh | Feb 1941 | Aug 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Aug 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Aug 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Aug 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Aug 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Aug 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Aug 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Aug 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Aug 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Aug 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Aug 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Aug 2026 | Subbituminous Coal : 75.1% Bituminous Coal : 15.7% Petroleum Coke : 9.0% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Aug 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Aug 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Aug 2026 | Lignite Coal : 99.3% Natural Gas : 0.7% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Aug 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Aug 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Aug 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Aug 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Aug 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Aug 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Aug 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 18 TWh | Jun 1981 | Aug 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Aug 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Aug 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | Aug 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Aug 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Aug 2026 | Nuclear : 64.7% Natural Gas : 35.3% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Aug 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Aug 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Aug 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Aug 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Aug 2026 | Natural Gas : 99.9% |