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 |
|---|---|---|---|---|---|---|---|---|
| Southern Minnesota Beet Sugar | Renville, MN | Industrial | 1 | 28.8 GWh | Dec 2025 | - | ||
| Southern Minnesota Mun P AGNY | Rochester, MN | Political Subdivision | 5 | 53.6 GWh | Dec 2024 | - | ||
| Southern Sky Renewable Energy Berkley, LLC | Jersey City, NJ | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| Southwick Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| SP Butler Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.95M | ||
| SP Cimarron I, LLC | Birmingham, AL | - | - | - | Sep 2025 | $2.27M | ||
| SP Decatur Parkway Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.54M | ||
| SP Pawpaw Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $1.15M | ||
| SP Sandhills Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $5.32M | ||
| SP Solar 5, LLC | Asheville, NC | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Spanish Fork Wind Park 2, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 47.6 GWh | Dec 2025 | - | ||
| Spanish Peaks Solar LLC | Boulder, CO | Independent Power Producer | 1 | 348.5 GWh | Dec 2025 | Sep 2025 | $2.23M | |
| Spark Energy, LLC | Houston, TX | - | - | - | Oct 2025 | $70.59k | ||
| Sparta Energy, Inc | Birmingham, AL | - | - | - | Sep 2025 | $803.52k | ||
| Sparta Solar, LLC | Austin, TX | Independent Power Producer | 1 | 484.4 GWh | Dec 2025 | - | ||
| Spartanburg Commissioners PW | Spartanburg, SC | Municipally-Owned Utility | 1 | 1.8 GWh | Dec 2025 | - | ||
| Spearville 3, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $1.41M | ||
| Spectrum Nevada Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.30M | ||
| Spectrum Solar LLC | Independent Power Producer | 1 | 10.7 GWh | Dec 2024 | - | |||
| Speedway Solar, LLC | New York, NY | Independent Power Producer | 1 | 214.1 GWh | Dec 2025 | Sep 2025 | ||
| SPG Il Brush Creek I Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| SPG Il Hurricane Creek Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 4.1 GWh | Dec 2024 | - | ||
| Spica Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Spinning Spur Wind LLC | Phoenix, AZ | - | - | - | Oct 2025 | $3.89M | ||
| SPPW1, LLC | Omaha, NE | Independent Power Producer | 1 | 27.4 GWh | Dec 2024 | - | ||
| Spreckels Sugar Company | Brawley, CA | Industrial | 1 | 21.5 GWh | Dec 2024 | - | ||
| Spring Canyon Energy II LLC | Houston, TX | - | - | - | Sep 2025 | $877.79k | ||
| Spring Canyon Energy III LLC | Houston, TX | - | - | - | Sep 2025 | $822.66k | ||
| Spring Canyon Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $1.59M | ||
| Spring Canyon Expansion LLC | Scottsdale, AZ | Independent Power Producer | 1 | 95.6 GWh | Dec 2024 | - | ||
| Spring Hope Solar 2, LLC | El Segundo, CA | Independent Power Producer | 1 | 8.9 GWh | Dec 2024 | - | ||
| Spring Hope Solar 3, LLC | Asheville, NC | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Spring Street Solar 1, LLC | Princeton, NJ | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| Spring Valley Wind LLC | Houston, TX | - | - | - | Sep 2025 | $8.89M | ||
| Springdale Energy LLC | Springdale, PA | Independent Power Producer | 2 | 4.6 TWh | Dec 2025 | Sep 2025 | $45.05M | |
| Spruance Operating Services, LLC | Richmond, VA | - | - | - | Oct 2025 | $995.59k | ||
| SPS Atwell Island LLC | Independent Power Producer | 1 | 34.8 GWh | Dec 2024 | - | |||
| SR Ailey, LLC | Nashville, TN | Independent Power Producer | 1 | 200.4 GWh | Dec 2025 | Sep 2025 | $1.74M | |
| SR Arlington II, LLC | Nashville, TN | - | - | - | Sep 2025 | $1.75M | ||
| SR Arlington II MT, LLC | Nashville, TN | Independent Power Producer | 1 | 241.7 GWh | Dec 2025 | - | ||
| SR Arlington, LLC | Nashville, TN | Independent Power Producer | 1 | 45.9 GWh | Dec 2024 | Sep 2025 | $421.27k | |
| SR Baxley, LLC | Nashville, TN | Independent Power Producer | 1 | 60.7 GWh | Dec 2025 | Sep 2025 | $436.50k | |
| SR Bell Buckle, LLC | Nashville, TN | Independent Power Producer | 1 | 71.9 GWh | Dec 2025 | Sep 2025 | $417.67k | |
| SR Bolivar, LLC | Nashville, TN | Independent Power Producer | 1 | 6.7 GWh | Dec 2024 | - | ||
| SR Byhalia, LLC | Nashville, TN | Independent Power Producer | 1 | 10.6 GWh | Dec 2024 | - | ||
| SR Camden, LLC | Nashville, TN | Independent Power Producer | 1 | 27.2 GWh | Dec 2025 | - | ||
| SR Canadaville, LLC | Nashville, TN | Independent Power Producer | 1 | 36.1 GWh | Dec 2024 | Sep 2025 | $298.26k | |
| SR Cedar Springs, LLC | Nashville, TN | Independent Power Producer | 1 | 173.6 GWh | Dec 2025 | Sep 2025 | $1.29M | |
| SR Clarksville II, LLC | Nashville, TN | Independent Power Producer | 1 | 8.7 GWh | Dec 2024 | - | ||
| SR Clarksville, LLC | Nashville, TN | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| SR Clay, LLC | Nashville, TN | Independent Power Producer | 1 | 233.4 GWh | Dec 2025 | Sep 2025 | $2.19M | |
| SR Clinch, LLC | Nashville, TN | Independent Power Producer | 2 | 19.0 GWh | Dec 2024 | - | ||
| SR Desoto I, LLC | Nashville, TN | Independent Power Producer | 1 | 323.8 GWh | Dec 2025 | Sep 2025 | $2.38M | |
| SR Desoto II, LLC | Nashville, TN | Independent Power Producer | 1 | 161.3 GWh | Dec 2025 | Sep 2025 | $1.48M | |
| SR Desoto III, LLC | Nashville, TN | Independent Power Producer | 1 | 136.4 GWh | Dec 2025 | Sep 2025 | $1.52M | |
| SR Enterprise South, LLC | Nashville, TN | Independent Power Producer | 1 | 13.1 GWh | Dec 2025 | - | ||
| SR Franklin, LLC | Nashville, TN | Independent Power Producer | 1 | 5.0 GWh | Dec 2024 | - | ||
| SR Greenville I, LLC | Nashville, TN | Independent Power Producer | 1 | 10.4 GWh | Dec 2024 | - | ||
| SR Greenville II, LLC | Nashville, TN | Independent Power Producer | 1 | 9.8 GWh | Dec 2024 | - | ||
| SR Hazlehurst III, LLC | Nashville, TN | Independent Power Producer | 1 | 77.8 GWh | Dec 2025 | Sep 2025 | $861.87k | |
| SR Hazlehurst, LLC | Nashville, TN | Independent Power Producer | 1 | 33.7 GWh | Dec 2024 | Sep 2025 | $636.71k | |
| SR Houston Holdings, LLC | Nashville, TN | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| SR Innovation, LLC | Nashville, TN | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| SR Jackson II, LLC | Nashville, TN | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| SR Jenkins, LLC | Nashville, TN | Independent Power Producer | 1 | 32.0 GWh | Dec 2024 | - | ||
| SR Jonesborough II, LLC | Nashville, TN | Independent Power Producer | 1 | 7.5 GWh | Dec 2025 | - | ||
| SR Kersey II, LLC | Nashville, TN | Independent Power Producer | 1 | 2.3 GWh | Dec 2024 | - | ||
| SR Kersey, LLC | Nashville, TN | Independent Power Producer | 1 | 8.0 GWh | Dec 2024 | - | ||
| SR Lambert I, LLC | Nashville, TN | Independent Power Producer | 1 | 10.6 GWh | Dec 2025 | - | ||
| SR Lambert II, LLC | Nashville, TN | Independent Power Producer | 1 | 10.7 GWh | Dec 2025 | - | ||
| SR Litchfield, LLC | Nashville, TN | Independent Power Producer | 1 | - | - | Sep 2025 | $420.40k | |
| SR Lumpkin, LLC | Nashville, TN | Independent Power Producer | 1 | 247.1 GWh | Dec 2025 | Sep 2025 | $1.66M | |
| SR Marion, LLC | Nashville, TN | Independent Power Producer | 1 | 1.7 GWh | Dec 2024 | - | ||
| SR Mavericks, LLC | Nashville, TN | Independent Power Producer | 1 | 15.9 GWh | Dec 2024 | - | ||
| SR McKellar, LLC | Nashville, TN | Independent Power Producer | 1 | 144.1 GWh | Dec 2025 | Sep 2025 | $793.18k | |
| SR McNeal, LLC | Nashville, TN | Independent Power Producer | 1 | 56.0 GWh | Dec 2025 | Sep 2025 | $503.70k | |
| SR Meridian II, LLC | Nashville, TN | Independent Power Producer | 1 | 7.2 GWh | Dec 2025 | - | ||
| SR Meridian III, LLC | Nashville, TN | Independent Power Producer | 1 | 124.5 GWh | Dec 2025 | Sep 2025 | $1.57M | |
| SR Millington, LLC | Nashville, TN | Independent Power Producer | 1 | 97.1 GWh | Dec 2025 | Sep 2025 | $1.07M | |
| SR North Stonington, LLC | Nashville, TN | Independent Power Producer | 1 | 13.2 GWh | Dec 2024 | - | ||
| SR Panola I, LLC | Nashville, TN | Independent Power Producer | 1 | 4.4 GWh | Dec 2024 | - | ||
| SR Panola II, LLC | Nashville, TN | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| SR Paris, LLC | Nashville, TN | Independent Power Producer | 1 | 14.4 GWh | Dec 2024 | - | ||
| SR Perry, LLC | Nashville, TN | Independent Power Producer | 1 | 165.2 GWh | Dec 2025 | Sep 2025 | $1.40M | |
| SR Platte, LLC | Nashville, TN | Independent Power Producer | 1 | 35.9 GWh | Dec 2024 | Sep 2025 | $513.75k | |
| SR Rattlesnake, LLC | Nashville, TN | Independent Power Producer | 1 | 16.0 GWh | Dec 2024 | Sep 2025 | $191.84k | |
| SR Russellville, LLC | Nashville, TN | Independent Power Producer | 1 | 357.4 GWh | Dec 2025 | - | ||
| SR Skylark B, LLC | Nashville, TN | Independent Power Producer | 1 | 4.2 GWh | Dec 2024 | - | ||
| SR Skylark C, LLC | Nashville, TN | Independent Power Producer | 1 | 2.4 GWh | Dec 2024 | - | ||
| SR Snipesville II, LLC | Nashville, TN | Independent Power Producer | 1 | 263.7 GWh | Dec 2025 | Sep 2025 | $1.86M | |
| SR Snipesville III, LLC | Nashville, TN | Independent Power Producer | 1 | 268.9 GWh | Dec 2025 | Sep 2025 | $2.58M | |
| SR Snipesville, LLC | Nashville, TN | Independent Power Producer | 1 | 216.5 GWh | Dec 2025 | Sep 2025 | $2.22M | |
| SR South Loving, LLC | Nashville, TN | Independent Power Producer | 1 | 66.4 GWh | Dec 2025 | Sep 2025 | $1.45M | |
| SR Terrell, LLC | Nashville, TN | Independent Power Producer | 1 | 182.1 GWh | Dec 2025 | Sep 2025 | $1.78M | |
| SR Toombs I, LLC | Nashville, TN | Independent Power Producer | 1 | 584.8 GWh | Dec 2025 | - | ||
| SR Toombs, LLC | Nashville, TN | - | - | - | Sep 2025 | $6.22M | ||
| SR Turkey Creek, LLC | Nashville, TN | Independent Power Producer | 1 | 109.7 GWh | Dec 2025 | Sep 2025 | $994.09k | |
| SR Washington I, LLC | Nashville, TN | Independent Power Producer | 1 | 20.6 GWh | Dec 2024 | - | ||
| SR White Pine, LLC | Nashville, TN | Independent Power Producer | 1 | 2.3 GWh | Dec 2024 | - | ||
| SRC P9 - LENA Solar, LLC | Clearwater, FL | Independent Power Producer | 1 | 3.7 GWh | Dec 2023 | - |
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 | Dec 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Dec 2025 | Natural Gas : 94.9% Bituminous Coal : 5.1% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Dec 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Dec 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Dec 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Dec 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Dec 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Dec 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Dec 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Dec 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Dec 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Dec 2025 | Natural Gas : 74.9% Bituminous Coal : 24.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Dec 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Dec 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Dec 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Dec 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Dec 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Dec 2025 | Nuclear |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Dec 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Dec 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Dec 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Dec 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Dec 2025 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Dec 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Dec 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Dec 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Dec 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Dec 2025 | Subbituminous Coal : 74.7% Bituminous Coal : 16.0% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Dec 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Dec 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Dec 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Dec 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Dec 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Dec 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Dec 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Dec 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Dec 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Dec 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Dec 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Dec 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Dec 2025 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Dec 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Dec 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 21 TWh | Mar 1967 | Dec 2025 | Nuclear : 68.7% Natural Gas : 31.3% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Dec 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 16 TWh | May 1958 | Dec 2025 | Subbituminous Coal : 83.3% Natural Gas : 16.7% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 16 TWh | Apr 1996 | Dec 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Dec 2025 | Natural Gas : 99.9% |