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 |
|---|---|---|---|---|---|---|---|---|
| Sparta Energy, Inc | Birmingham, AL | - | - | - | Sep 2025 | $803.52k | ||
| Spartan Renewable Energy, Inc. | Cadillac, MI | - | - | - | Sep 2025 | $132.65k | $1.56M | |
| Spectrum Nevada Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.30M | ||
| Speedway Solar, LLC | New York, NY | Independent Power Producer | 1 | 432.7 GWh | Aug 2026 | Sep 2025 | ||
| 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 Valley Wind LLC | Houston, TX | - | - | - | Sep 2025 | $8.89M | ||
| Springdale Energy LLC | Springdale, PA | Independent Power Producer | 2 | 5.0 TWh | Aug 2026 | Sep 2025 | $45.05M | |
| Springer Electric Coop, Inc | Springer, NM | Cooperative | 1 | 2.3 GWh | Dec 2025 | Sep 2025 | $3.71M | |
| SR Ailey, LLC | Nashville, TN | Independent Power Producer | 1 | 201.2 GWh | Aug 2026 | Sep 2025 | $1.74M | |
| SR Arlington II, LLC | Nashville, TN | - | - | - | Sep 2025 | $1.75M | ||
| SR Arlington, LLC | Nashville, TN | Independent Power Producer | 1 | 48.8 GWh | Dec 2025 | Sep 2025 | $421.27k | |
| SR Baxley, LLC | Nashville, TN | Independent Power Producer | 1 | 56.5 GWh | Aug 2026 | Sep 2025 | $436.50k | |
| SR Bell Buckle, LLC | Nashville, TN | Independent Power Producer | 1 | 78.5 GWh | Aug 2026 | Sep 2025 | $417.67k | |
| SR Canadaville, LLC | Nashville, TN | Independent Power Producer | 1 | 36.8 GWh | Dec 2025 | Sep 2025 | $298.26k | |
| SR Cedar Springs, LLC | Nashville, TN | Independent Power Producer | 1 | 181.2 GWh | Aug 2026 | Sep 2025 | $1.29M | |
| SR Clay, LLC | Nashville, TN | Independent Power Producer | 1 | 250.6 GWh | Aug 2026 | Sep 2025 | $2.19M | |
| SR Desoto I, LLC | Nashville, TN | Independent Power Producer | 1 | 311.6 GWh | Aug 2026 | Sep 2025 | $2.38M | |
| SR Desoto II, LLC | Nashville, TN | Independent Power Producer | 1 | 165.6 GWh | Aug 2026 | Sep 2025 | $1.48M | |
| SR Desoto III, LLC | Nashville, TN | Independent Power Producer | 1 | 145.8 GWh | Aug 2026 | Sep 2025 | $1.52M | |
| SR Hazlehurst III, LLC | Nashville, TN | Independent Power Producer | 1 | 73.2 GWh | Aug 2026 | Sep 2025 | $861.87k | |
| SR Hazlehurst, LLC | Nashville, TN | Independent Power Producer | 1 | 32.7 GWh | Dec 2025 | Sep 2025 | $636.71k | |
| SR Litchfield, LLC | Nashville, TN | Independent Power Producer | 1 | 26.4 GWh | Dec 2025 | Sep 2025 | $420.40k | |
| SR Lumpkin, LLC | Nashville, TN | Independent Power Producer | 1 | 234.6 GWh | Aug 2026 | Sep 2025 | $1.66M | |
| SR McKellar, LLC | Nashville, TN | Independent Power Producer | 1 | 148.2 GWh | Aug 2026 | Sep 2025 | $793.18k | |
| SR McNeal, LLC | Nashville, TN | Independent Power Producer | 1 | 58.8 GWh | Aug 2026 | Sep 2025 | $503.70k | |
| SR Meridian III, LLC | Nashville, TN | Independent Power Producer | 1 | 132.0 GWh | Aug 2026 | Sep 2025 | $1.57M | |
| SR Millington, LLC | Nashville, TN | Independent Power Producer | 1 | 112.8 GWh | Aug 2026 | Sep 2025 | $1.07M | |
| SR Perry, LLC | Nashville, TN | Independent Power Producer | 1 | 166.3 GWh | Aug 2026 | Sep 2025 | $1.40M | |
| SR Platte, LLC | Nashville, TN | Independent Power Producer | 1 | 35.5 GWh | Dec 2025 | Sep 2025 | $513.75k | |
| SR Rattlesnake, LLC | Nashville, TN | Independent Power Producer | 1 | 16.1 GWh | Dec 2025 | Sep 2025 | $191.84k | |
| SR Snipesville II, LLC | Nashville, TN | Independent Power Producer | 1 | 263.0 GWh | Aug 2026 | Sep 2025 | $1.86M | |
| SR Snipesville III, LLC | Nashville, TN | Independent Power Producer | 1 | 266.7 GWh | Aug 2026 | Sep 2025 | $2.58M | |
| SR Snipesville, LLC | Nashville, TN | Independent Power Producer | 1 | 193.6 GWh | Aug 2026 | Sep 2025 | $2.22M | |
| SR South Loving, LLC | Nashville, TN | Independent Power Producer | 1 | 62.5 GWh | Aug 2026 | Sep 2025 | $1.45M | |
| SR Terrell, LLC | Nashville, TN | Independent Power Producer | 1 | 175.5 GWh | Aug 2026 | Sep 2025 | $1.78M | |
| SR Toombs, LLC | Nashville, TN | - | - | - | Sep 2025 | $6.22M | ||
| SR Turkey Creek, LLC | Nashville, TN | Independent Power Producer | 1 | 116.2 GWh | Aug 2026 | Sep 2025 | $994.09k | |
| St. James Solar, LLC | New York, NY | Independent Power Producer | 1 | 52.6 GWh | Dec 2025 | Sep 2025 | $653.45k | |
| Stanly Solar, LLC | Asheville, NC | Independent Power Producer | - | 104.6 GWh | Dec 2024 | Sep 2025 | $811.94k | |
| Stanton Battery Energy Storage, LLC | Sacramento, CA | - | - | - | Sep 2025 | $3.99M | ||
| Stanton Clean Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 3.7 TWh | Aug 2026 | Sep 2025 | $7.76M | |
| Stanton Energy Reliability Center, LLC | Sacramento, CA | - | - | - | Sep 2025 | $5.15M | ||
| Star Point Wind Project LLC | Portland, OR | - | - | - | Sep 2025 | $6.75M | $362.75k | |
| Steamboat Hills LLC | Reno, NV | - | - | - | Sep 2025 | $4.16M | ||
| Steel Solar, LLC | New York, NY | Independent Power Producer | 1 | 207.3 GWh | Aug 2026 | Sep 2025 | $2.39M | |
| Sterling Power Partners LP | Sherrill, NY | Independent Power Producer | 1 | 22.7 GWh | Dec 2025 | Sep 2025 | $855.42k | |
| Stetson Holdings, LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Sep 2025 | $1.97M | |
| Stillwater Utilities Authority | Stillwater, OK | Municipally-Owned Utility | 3 | 118.5 GWh | Dec 2025 | Sep 2025 | $6.92M | |
| Stillwater Wind, LLC | Houston, TX | - | - | - | Sep 2025 | $1.71M | ||
| Stored Solar, LLC | New York, NY | - | - | - | Sep 2025 | $288.16k | ||
| Storey Bend Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 201.4 GWh | Aug 2026 | Sep 2025 | $1.88M | |
| Storey Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 324.6 GWh | Aug 2026 | Sep 2025 | $4.06M | |
| Storm Lake Power Partners I LLC | Duluth, MN | - | - | - | Sep 2025 | $282.67k | ||
| Stream Energy New York, LLC | Princeton, NJ | - | - | - | Sep 2025 | $3.08k | ||
| Streator-Cayuga Ridge Wind Power LLC | Portland, OR | - | - | - | Sep 2025 | $4.53M | ||
| Stuttgart Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 166.3 GWh | Aug 2026 | Sep 2025 | $2.27M | |
| Sugar Solar, LLC | Asheville, NC | Independent Power Producer | - | 110.3 GWh | Dec 2024 | Sep 2025 | $1.19M | |
| Summer Solar LLC | Louisville, CO | - | - | - | Sep 2025 | $1.22M | ||
| Sun City Project LLC | San Diego, CA | - | - | - | Sep 2025 | $2.55M | ||
| Sun Streams 2, LLC | Boston, MA | Independent Power Producer | 1 | 344.2 GWh | Aug 2026 | Sep 2025 | $1.57M | |
| Sun Streams Expansion, LLC | Boston, MA | Independent Power Producer | 1 | 810.8 GWh | Aug 2026 | Sep 2025 | $18.72M | |
| Sun Streams, LLC | Houston, TX | - | - | - | Sep 2025 | $6.23M | ||
| Sun Streams PVS, LLC | Boston, MA | Independent Power Producer | 1 | 462.3 GWh | Aug 2026 | Sep 2025 | $10.77M | |
| SUNE Beacon Site 2, LLC | Palm Beach Gardens, FL | Independent Power Producer | 1 | 113.3 GWh | Aug 2026 | Sep 2025 | $2.22M | |
| SUNE Beacon Site 5, LLC | Palm Beach Gardens, FL | Independent Power Producer | 1 | 90.1 GWh | Aug 2026 | Sep 2025 | $1.80M | |
| Sunflower Wind Project | Boston, MA | Investor-Owned Utility | - | - | Dec 2018 | Sep 2025 | $2.58M | |
| Sunlight Road Solar, LLC | New York, NY | Independent Power Producer | 1 | 127.3 GWh | Aug 2026 | Sep 2025 | $1.24M | |
| Sunlight Storage, LLC | Juno Beach, FL | Independent Power Producer | 2 | -107.6 GWh | Aug 2026 | Sep 2025 | $10.35M | |
| Sunnybrook Farm Solar, LLC | Houston, TX | Independent Power Producer | 1 | 99.0 GWh | Aug 2026 | Sep 2025 | $1.28M | |
| Sunray Energy 2, LLC | Boise, ID | Independent Power Producer | 1 | 57.4 GWh | Dec 2025 | Sep 2025 | $1.09M | |
| Sunray Energy 3 LLC | Boise, ID | Independent Power Producer | 1 | 39.0 GWh | Dec 2025 | Sep 2025 | $625.42k | |
| Sunshine Gas Producers LLC | Detroit, MI | Investor-Owned Utility | 1 | 133.9 GWh | Jul 2026 | Sep 2025 | $2.93M | |
| Sunshine Valley Solar LLC | San Francisco, CA | Independent Power Producer | - | - | - | Sep 2025 | $3.64M | |
| Swamp Fox Solar, LLC | Charlotte, NC | Independent Power Producer | - | 24.0 GWh | Dec 2024 | Sep 2025 | $313.61k | |
| Sweetwater Solar LLC | Irvine, CA | Independent Power Producer | - | - | Dec 2023 | Sep 2025 | $2.44M | |
| Swiftwater Solar, LLC | Newark, NJ | - | - | - | Sep 2025 | $177.46k | ||
| System Energy Resources, Inc | Jackson, MS | Investor-Owned Utility | 1 | 11.7 TWh | Aug 2026 | Sep 2025 | $144.80M | |
| Talen Montana LLC | Colstrip, MT | Independent Power Producer | 2 | 8.9 TWh | Aug 2026 | Sep 2025 | $7.59M | $411.28k |
| Tallbear Seville LLC | Charlotte, NC | - | - | - | Sep 2025 | $1.15M | ||
| Taloga Wind LLC | Princeton, NJ | Independent Power Producer | 1 | 202.4 GWh | Dec 2025 | Sep 2025 | $2.25M | |
| Taylor Creek Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 193.5 GWh | Aug 2026 | Sep 2025 | $1.90M | |
| Techren Solar I LLC | Boise, ID | Independent Power Producer | 1 | 240.2 GWh | Aug 2026 | Sep 2025 | $2.71M | |
| Techren Solar II LLC | Boise, ID | Independent Power Producer | 1 | 500.7 GWh | Aug 2026 | Sep 2025 | $5.25M | |
| Techren Solar III LLC | Boise, ID | Independent Power Producer | 1 | 55.8 GWh | Aug 2026 | Sep 2025 | $574.82k | |
| Techren Solar IV LLC | Boise, ID | Independent Power Producer | 1 | 62.0 GWh | Aug 2026 | Sep 2025 | $623.89k | |
| Techren Solar V LLC | Boise, ID | Independent Power Producer | 1 | 128.8 GWh | Aug 2026 | Sep 2025 | $1.15M | |
| Telocaset Wind Power Partners | Union, OR | Independent Power Producer | 1 | 334.5 GWh | Dec 2025 | Sep 2025 | $5.13M | |
| Tenaska Alabama Partners LP | Omaha, NE | Independent Power Producer | - | 1.8 TWh | Dec 2024 | Sep 2025 | $15.80M | |
| Tenaska Clear Creek Wind, LLC | Omaha, NE | - | - | - | Sep 2025 | $3.00M | ||
| Tenaska Georgia Partners LP | Omaha, NE | Independent Power Producer | 1 | 208.5 GWh | Aug 2026 | Sep 2025 | $15.67M | |
| Three Buttes Windpower, LLC | Charlotte, NC | - | - | - | Sep 2025 | $3.38M | ||
| Three Corners Solar, LLC | Boston, MA | Independent Power Producer | 1 | 218.5 GWh | Aug 2026 | Sep 2025 | $5.65M | |
| Three Peaks Power LLC | Houston, TX | Independent Power Producer | - | - | Dec 2023 | Sep 2025 | $2.83M | |
| Thunder Wolf Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 549.5 GWh | Aug 2026 | Sep 2025 | $5.20M | |
| Tilton Energy LLC | Tilton, IL | Independent Power Producer | 1 | 60.6 GWh | Dec 2025 | Sep 2025 | $1.77M | |
| Timber Road Solar Park | Houston, TX | Independent Power Producer | 1 | 104.4 GWh | Aug 2026 | Sep 2025 | $1.18M | |
| Titan Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 176.1 GWh | Aug 2026 | Sep 2025 | $1.43M | |
| Titan Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 109.6 GWh | Aug 2026 | Sep 2025 | $960.20k |
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% |