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 |
|---|---|---|---|---|---|---|---|---|
| Selkirk Cogen Partners LP | Selkirk, NY | Independent Power Producer | 1 | - | Sep 2024 | Oct 2025 | $7.24M | |
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.9 TWh | Dec 2025 | Oct 2025 | $3.95M | $60.58M |
| Sempra Gas & Power Marketing, LLC | San Diego, CA | - | - | - | Oct 2025 | $43.05M | $28.40M | |
| Seneca Generation LLC | Warren, PA | Independent Power Producer | 1 | -387.2 GWh | Dec 2025 | Oct 2025 | $20.14M | |
| Sentinel Energy Center LLC | Desert Hot Springs, CA | Independent Power Producer | 1 | 143.4 GWh | Dec 2025 | Oct 2025 | $22.72M | |
| SEPV Cuyama, LLC | LOS Angeles, CA | Independent Power Producer | 1 | 3.2 GWh | Dec 2024 | Oct 2025 | $3.32k | $2.01M |
| SEPV Sierra, LLC | Losangeles, CA | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | Oct 2025 | $63.30k | $4.56M |
| Settlers Trail Wind Farm, LLC | Chicago, IL | - | - | - | Oct 2025 | $2.00M | ||
| Seven Cowboy Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 1.3 TWh | Dec 2025 | Oct 2025 | $1.72M | |
| Seward Generation, LLC | Latrobe, PA | - | - | - | Oct 2025 | $38.85M | ||
| SFE Energy, Inc. | Mississauga, ON | - | - | - | Oct 2025 | $19.83M | $22.64M | |
| Shady Hills Power Co LLC | Shady Hills, FL | Independent Power Producer | 1 | 498.7 GWh | Dec 2025 | Oct 2025 | $5.79M | |
| Shady Oaks Wind 2, LLC | Windsor Locks, CT | Independent Power Producer | 1 | 352.5 GWh | Dec 2025 | Oct 2025 | $1.60M | |
| Shawnee Power, LLC | Chicago, IL | Independent Power Producer | 1 | -212.4 MWh | Dec 2024 | Oct 2025 | $275.39k | |
| Shawville Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.1 TWh | Dec 2025 | Oct 2025 | $21.86M | |
| Sheldon Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $2.94M | ||
| Shell Chemical Appalachia LLC | Houston, TX | Industrial | 1 | 1.7 TWh | Dec 2025 | Oct 2025 | $9.18M | $134.98k |
| Shell Energy North America (US), L.P. | Houston, TX | - | - | - | Oct 2025 | $2.25B | $298.44M | |
| Shiloh III Lessee, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $11.65M | ||
| Shiloh IV Lessee, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $9.73M | ||
| Shiloh Wind Project 2, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $10.41M | ||
| Shipley Choice, LLC | York, PA | - | - | - | Oct 2025 | $1.88M | $2.12M | |
| Sidney, LLC | Washington, DC | - | - | - | Oct 2025 | $190.51k | ||
| Sierra Estrella Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -45.5 GWh | Dec 2025 | Oct 2025 | $10.97M | |
| Sierra Pacific Power Co | Reno, NV | Investor-Owned Utility | 14 | 6.2 TWh | Dec 2025 | Oct 2025 | $5.93M | $30.30M |
| Sithe/Independence LLC | Irving, TX | Independent Power Producer | 1 | 7.0 TWh | Dec 2025 | Oct 2025 | $38.34M | |
| Skipjack Solar Center, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Oct 2025 | $5.48M | |
| Slate Creek Wind Project, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $2.71M | ||
| Smartenergy Holdings, LLC | New York, NY | - | - | - | Oct 2025 | $2.34M | $14.41M | |
| Smoky Hills Wind Farm, LLC | Andover, MA | - | - | - | Oct 2025 | $1.91M | ||
| Smoky Hills Wind Project II LLC | Andover, MA | Independent Power Producer | 1 | 455.6 GWh | Dec 2024 | Oct 2025 | $2.85M | |
| Socivolta Inc. | Montreal, QC | - | - | - | Oct 2025 | $19.12M | ||
| Sol Madison Solar, LLC | Louisville, CO | - | - | - | Oct 2025 | $2.09M | ||
| Somerset Windpower LLC | Juno Beach, FL | Independent Power Producer | - | - | Dec 2017 | Oct 2025 | $44.77k | |
| Sonoran West Solar Holdings 2, LLC | Houston, TX | - | - | - | Oct 2025 | $5.40M | ||
| Sonoran West Solar Holdings LLC | Oakland, CA | Independent Power Producer | 1 | - | - | Oct 2025 | $7.36M | $85.24k |
| Sooner Wind, LLC | Juno Beach, FL | - | - | - | Oct 2025 | $49.87k | ||
| South Bay Energy Corp. | Brooklyn, NY | - | - | - | Oct 2025 | $339.35k | $285.26k | |
| South Carolina Generating Company, Inc. | Richmond, VA | - | - | - | Oct 2025 | $59.52M | ||
| South Carolina Public Service Authority | Moncks Corner, SC | State-Owned Utility | 16 | 18.0 TWh | Dec 2025 | Oct 2025 | $332.56M | $45.75M |
| South Field Energy, LLC | Boston, MA | Independent Power Producer | 1 | 8.0 TWh | Dec 2025 | Oct 2025 | $73.20M | |
| South Point Energy Center LLC | Houston, TX | Independent Power Producer | 1 | 2.3 TWh | Dec 2025 | Oct 2025 | $11.22M | $0 |
| Southampton Solar, LLC | Richmond, VA | - | - | - | Oct 2025 | $2.34M | ||
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 6.6 TWh | Dec 2025 | Oct 2025 | $370.58M | $970.69M |
| Southern Company Services, Inc. (As Agent) | Birmingham, AL | - | - | - | Oct 2025 | $146.97M | $6.27M | |
| Southern Illinois Power Coop | Marion, IL | Cooperative | 1 | 839.1 GWh | Dec 2025 | Oct 2025 | $3.69M | |
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.2 TWh | Dec 2025 | Oct 2025 | $33.22M | $8.35M |
| Southwestern Power Administration | Tulsa, OK | - | - | - | Oct 2025 | $1.59M | $4.24M | |
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 16 | 17.1 TWh | Dec 2025 | Oct 2025 | $231.47M | $98.95M |
| Spark Energy, LLC | Houston, TX | - | - | - | Oct 2025 | $70.59k | ||
| Spartacus Energy Services, LLC | Birmingham, AL | - | - | - | Oct 2025 | $165.02k | $166.38k | |
| Spearville 3, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $1.41M | ||
| Spinning Spur Wind LLC | Phoenix, AZ | - | - | - | Oct 2025 | $3.89M | ||
| Spotlight Power LLC | Houston, TX | - | - | - | Oct 2025 | $10.00M | $8.91M | |
| Spring Energy RRH, LLC | Brooklyn, NY | - | - | - | Oct 2025 | $241.97k | $189.89k | |
| Spruance Operating Services, LLC | Richmond, VA | - | - | - | Oct 2025 | $995.59k | ||
| St Joseph Energy Center LLC | Needham, MA | Independent Power Producer | 1 | 5.9 TWh | Dec 2025 | Oct 2025 | $42.63M | |
| Stanford University Power LLC | Stanford, CA | - | - | - | Oct 2025 | $1.27M | $1.99M | |
| Stephentown Spindle, LLC | Tyngsboro, MA | - | - | - | Oct 2025 | $264.26k | ||
| Stoneray Power Partners, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $2.04M | ||
| Stony Creek Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $3.50M | ||
| Stony Creek Wind Farm Ny | Chicago, IL | Independent Power Producer | - | - | Dec 2016 | Oct 2025 | $3.95M | |
| Storm Lake Power Partners II, LLC | Duluth, MN | - | - | - | Oct 2025 | $182.63k | ||
| Strauss Wind LLC | Carlsbad, CA | Independent Power Producer | 1 | 243.5 GWh | Dec 2025 | Oct 2025 | $1.92M | |
| Stream Energy Pennsylvania, LLC | Princeton, NJ | - | - | - | Oct 2025 | $2.47M | ||
| Stryker 22, L.L.C. | Reno, NV | Independent Power Producer | 1 | -5.3 GWh | Dec 2025 | Oct 2025 | $1.78M | |
| Sugar Creek Wind One LLC | Charlottesville, VA | Independent Power Producer | 1 | 651.5 GWh | Dec 2025 | Oct 2025 | $3.88M | |
| Summer Energy Midwest, LLC | Houston, TX | - | - | - | Oct 2025 | $4.70M | ||
| Summit Farms Solar, LLC | Richmond, VA | - | - | - | Oct 2025 | $1.56M | ||
| Sun Mountain Solar 1, LLC | San Francisco, CA | - | - | - | Oct 2025 | $3.11M | ||
| Sunbury Generation LP | Shamokin Dam, PA | Independent Power Producer | 1 | 70.0 MWh | Dec 2024 | Oct 2025 | $536.49k | |
| Sunflower Electric Power Corp | Hays, KS | Cooperative | 8 | 1.6 TWh | Dec 2025 | Oct 2025 | $15.65M | $1.48M |
| Sunflower Energy Center, LLC | Chicago, IL | Independent Power Producer | 1 | 828.9 GWh | Dec 2025 | Oct 2025 | $781.76k | |
| Sunrise Power Co LLC | Fellows, CA | Independent Power Producer | 1 | 2.1 TWh | Dec 2025 | Oct 2025 | $18.85M | $1.28M |
| Sunsea Energy, LLC | Birmingham, AL | - | - | - | Oct 2025 | $39.36k | ||
| Superstition Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -17.1 GWh | Dec 2025 | Oct 2025 | $4.24M | |
| Susquehanna Nuclear, LLC | Houston, TX | - | - | - | Oct 2025 | $119.45M | ||
| Sustaining Power Solutions LLC | Houston, TX | - | - | - | Oct 2025 | $21.86M | ||
| Sweetland Wind Farm, LLC | Boulder, CO | Independent Power Producer | 1 | 836.5 GWh | Dec 2025 | Oct 2025 | $887.22k | |
| Syracuse, L.L.C. | Warner Robins, GA | - | - | - | Oct 2025 | $1.66M | $53.30k | |
| TAI Huntsville Solar, LLC | New York, NY | Independent Power Producer | 1 | 65.4 GWh | Dec 2025 | Oct 2025 | $820.85k | |
| TAIT Electric Generating Station, LLC | Washington, DC | - | - | - | Oct 2025 | $25.28M | ||
| Talen Energy Marketing, LLC | Houston, TX | - | - | - | Oct 2025 | $405.00M | $408.83M | |
| Tampa Electric Co | Tampa, FL | Investor-Owned Utility | 46 | 21.7 TWh | Dec 2025 | Oct 2025 | $3.56M | $37.45M |
| Tatanka Ridge Wind, LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $2.72M | ||
| Tatanka Wind Power, LLC | Chicago, IL | - | - | - | Oct 2025 | $1.50M | ||
| TBG Cogen Partners | Houston, TX | - | - | - | Oct 2025 | $2.36M | ||
| TEC Energy Inc. | Montreal, QC | - | - | - | Oct 2025 | $29.09M | ||
| Tecolote Wind LLC | Houston, TX | - | - | - | Oct 2025 | $16.60M | ||
| Tenaska Frontier Partners Ltd | Omaha, NE | Independent Power Producer | 1 | 3.9 TWh | Dec 2025 | Oct 2025 | $1.31M | |
| Tenaska Gateway Partners Ltd | Omaha, NE | Independent Power Producer | 1 | 5.0 TWh | Dec 2025 | Oct 2025 | $27.20M | |
| Tenaska Pennsylvania Partners, LLC | Omaha, NE | Independent Power Producer | 1 | 7.0 TWh | Dec 2025 | Oct 2025 | $65.81M | |
| Tenaska Power Services Co. | Irving, TX | - | - | - | Oct 2025 | $509.94M | $324.15M | |
| Tenaska VIrginia Partners LP | Omaha, NE | Independent Power Producer | 1 | 5.6 TWh | Dec 2025 | Oct 2025 | $83.44M | |
| Tennessee Valley Authority | Knoxville, TN | Federally-Owned Utility | 61 | 152.8 TWh | Dec 2025 | Oct 2025 | $2.18M | $275.07M |
| Terminus Hydroelectric, LLC | Bethesda, MD | - | - | - | Oct 2025 | $1.03M | ||
| Termoelectrica U.S., LLC | Mexicali, BC | - | - | - | Oct 2025 | $28.40M | ||
| Terra-Gen Mojave Windfarms, LLC | New York, NY | - | - | - | Oct 2025 | $725.39k | ||
| TGP Energy Management II, LLC | Mojave, CA | - | - | - | Oct 2025 | $752.42k | ||
| TGP Energy Management, LLC | Mojave, CA | - | - | - | Oct 2025 | $6.04M | $6.21M |
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% |