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 Power Co | Atlanta, GA | Investor-Owned Utility | 53 | 48.1 TWh | Mar 2026 | Sep 2025 | $195.58M | $6.65M |
| Salt River Project | Phoenix, AZ | Political Subdivision | 21 | 30.4 TWh | Mar 2026 | Oct 2025 | $51.30M | $124.41M |
| STP Nuclear Operating Co | Wadsworth, TX | Municipally-Owned Utility | 1 | 23.3 TWh | Mar 2026 | - | ||
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 16 | 19.4 TWh | Mar 2026 | Sep 2025 | $40.06M | $10.95M |
| South Carolina Public Service Authority | Moncks Corner, SC | State-Owned Utility | 16 | 18.0 TWh | Mar 2026 | Oct 2025 | $332.56M | $45.75M |
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 16 | 17.1 TWh | Mar 2026 | Oct 2025 | $231.47M | $98.95M |
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.6 TWh | Mar 2026 | Oct 2025 | $3.95M | $60.58M |
| System Energy Resources, Inc | Jackson, MS | Investor-Owned Utility | 1 | 11.2 TWh | Mar 2026 | Sep 2025 | $144.80M | |
| Sacramento Municipal UTIL DIST | Sacramento, CA | Political Subdivision | 17 | 7.9 TWh | Mar 2026 | - | ||
| South Field Energy, LLC | Boston, MA | Independent Power Producer | 1 | 7.9 TWh | Mar 2026 | Oct 2025 | $73.20M | |
| Sithe/Independence LLC | Irving, TX | Independent Power Producer | 1 | 7.0 TWh | Mar 2026 | Oct 2025 | $38.34M | |
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 6.6 TWh | Mar 2026 | Oct 2025 | $370.58M | $970.69M |
| Sierra Pacific Power Co | Reno, NV | Investor-Owned Utility | 14 | 6.2 TWh | Mar 2026 | Oct 2025 | $5.93M | $30.30M |
| St Joseph Energy Center LLC | Needham, MA | Independent Power Producer | 1 | 5.9 TWh | Mar 2026 | Oct 2025 | $42.63M | |
| South Houston Green Power LLC | Texas City, TX | Industrial | 3 | 4.7 TWh | Mar 2026 | - | ||
| Springdale Energy LLC | Springdale, PA | Independent Power Producer | 2 | 4.6 TWh | Mar 2026 | Sep 2025 | $45.05M | |
| Stanton Clean Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 3.8 TWh | Mar 2026 | Sep 2025 | $7.76M | |
| Seward Generating LLC | Latrobe, PA | Independent Power Producer | 1 | 3.6 TWh | Mar 2026 | - | ||
| Sweeny Cogeneration LLC | Houston, TX | Industrial | 1 | 3.5 TWh | Mar 2026 | - | ||
| Sunedison LLC | Belmont, CA | Independent Power Producer | 16 | 3.0 TWh | Mar 2026 | - | ||
| South Carolina Genertg Co, Inc | Cayce, SC | Investor-Owned Utility | 1 | 2.6 TWh | Mar 2026 | - | ||
| Sewaren Generating Station | Sewaren, NJ | Independent Power Producer | 1 | 2.3 TWh | Mar 2026 | - | ||
| South Point Energy Center LLC | Houston, TX | Independent Power Producer | 1 | 2.3 TWh | Mar 2026 | Oct 2025 | $11.22M | $0 |
| Sunrise Power Co LLC | Fellows, CA | Independent Power Producer | 1 | 2.2 TWh | Feb 2026 | Oct 2025 | $18.85M | $1.28M |
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.2 TWh | Mar 2026 | Oct 2025 | $33.22M | $8.35M |
| Salem Harbor Power Development LP | Salem, MA | Independent Power Producer | 2 | 1.8 TWh | Mar 2026 | Sep 2025 | $31.83M | |
| Shell Chemical Appalachia LLC | Houston, TX | Industrial | 1 | 1.8 TWh | Mar 2026 | Oct 2025 | $9.18M | $134.98k |
| Sunflower Electric Power Corp | Hays, KS | Cooperative | 8 | 1.6 TWh | Mar 2026 | Oct 2025 | $15.65M | $1.48M |
| San Miguel Electric Coop, Inc | Jourdanton, TX | Cooperative | 1 | 1.4 TWh | Feb 2026 | - | ||
| Seven Cowboy Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 1.3 TWh | Mar 2026 | Oct 2025 | $1.72M | |
| Sage Draw Wind, LLC | Wilson, TX | Independent Power Producer | 1 | 1.3 TWh | Mar 2026 | - | ||
| Shawville Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.3 TWh | Mar 2026 | Oct 2025 | $21.86M | |
| Santa Rosa Energy Center LLC | Pace, FL | Independent Power Producer | 1 | 1.2 TWh | Mar 2026 | Sep 2025 | $3.98M | |
| San Diego Gas & Electric Co | San Diego, CA | Investor-Owned Utility | 19 | 1.2 TWh | Mar 2026 | Oct 2025 | $142.85M | $219.97M |
| Sonoran Solar Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.2 TWh | Mar 2026 | Sep 2025 | $13.02M | |
| Safe Harbor | Queensbury, NY | Independent Power Producer | 1 | 1.2 TWh | Dec 2024 | - | ||
| Skeleton Creek Energy Center | Juno Beach, FL | Independent Power Producer | 1 | 1.2 TWh | Mar 2026 | Sep 2025 | ||
| Soldier Creek Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | Mar 2026 | Sep 2025 | $3.65M | |
| Solar Star California XIX, LLC | Rosamond, CA | Independent Power Producer | 1 | 967.3 GWh | Mar 2026 | Sep 2025 | $36.35M | |
| Stephens Ranch Wind Energy LLC | Commercial | 1 | 963.5 GWh | Mar 2026 | - | |||
| Shamrock Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 957.1 GWh | Mar 2026 | - | ||
| Solid Waste Authority Of Palm Beach Co | West Palm Beach, FL | Political Subdivision | 2 | 938.8 GWh | Mar 2026 | - | ||
| Shell Wind Energy Inc. | Houston, TX | Independent Power Producer | 5 | 938.2 GWh | Dec 2024 | - | ||
| Sierra Pacific Industries | Anderson, CA | Commercial | 11 | 913.6 GWh | Dec 2024 | - | ||
| Sunflower Energy Center, LLC | Chicago, IL | Independent Power Producer | 1 | 862.5 GWh | Mar 2026 | Oct 2025 | $781.76k | |
| South Texas Electric Coop, Inc | Nursery, TX | Cooperative | 3 | 845.1 GWh | Mar 2026 | Apr 2025 | $187.20k | |
| Southern Illinois Power Coop | Marion, IL | Cooperative | 1 | 840.7 GWh | Mar 2026 | Oct 2025 | $3.69M | |
| Sweetland Wind Farm, LLC | Boulder, CO | Independent Power Producer | 1 | 831.8 GWh | Mar 2026 | Oct 2025 | $887.22k | |
| Se Juno, LLC | San Carlos, CA | Independent Power Producer | 1 | 816.8 GWh | Mar 2026 | - | ||
| Sun Streams Expansion, LLC | Boston, MA | Independent Power Producer | 1 | 789.8 GWh | Mar 2026 | Sep 2025 | $18.72M | |
| Solar Star California XX, LLC | Rosamond, CA | Independent Power Producer | 1 | 785.1 GWh | Mar 2026 | Sep 2025 | $27.41M | |
| Se Athos I, LLC | San Carlos, CA | Independent Power Producer | 1 | 747.6 GWh | Mar 2026 | Sep 2025 | $4.73M | |
| Suncoke Energy, Inc. | Knoxville, TN | Commercial | 3 | 732.6 GWh | Dec 2024 | - | ||
| Sholes Wind Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 730.7 GWh | Mar 2026 | - | ||
| Silver State Solar Power South, LLC | Juno Beach, FL | Independent Power Producer | 1 | 728.3 GWh | Mar 2026 | Sep 2025 | $27.93M | |
| Schuylkill Energy Resource Inc | Pottsville, PA | Independent Power Producer | 1 | 723.6 GWh | Mar 2026 | Oct 2025 | $6.04M | |
| Scout Clean Energy LLC | Independent Power Producer | 1 | 717.4 GWh | Mar 2026 | - | |||
| Sol Systems | Washington, DC | Independent Power Producer | 30 | 715.6 GWh | Mar 2026 | - | ||
| Sugar Creek Wind One LLC | Charlottesville, VA | Independent Power Producer | 1 | 642.7 GWh | Mar 2026 | Oct 2025 | $3.88M | |
| Shell Chemical LP | Geismar, LA | Independent Power Producer|Industrial | 2 | 638.4 GWh | Dec 2024 | Sep 2025 | $883.16k | |
| Sun Valley Solar LLC | Abbott, TX | Independent Power Producer | 1 | 615.2 GWh | Mar 2026 | - | ||
| SR Toombs I, LLC | Nashville, TN | Independent Power Producer | 1 | 612.8 GWh | Mar 2026 | - | ||
| Se Titan, LLC | San Carlos, CA | Independent Power Producer | 1 | 610.5 GWh | Mar 2026 | - | ||
| Sherbino II Wind Farm LLC | Charlotte, NC | Independent Power Producer | 1 | 609.5 GWh | Dec 2024 | - | ||
| Sabic Ip MT. Vernon, LLC | Mount Vernon, IN | Industrial | 1 | 608.2 GWh | Mar 2026 | - | ||
| Sylvamo Corporation - Eastover | Eastover, SC | Industrial | 1 | 605.1 GWh | Mar 2026 | - | ||
| Sappi Fine Paper North America-Somerset | Boston, MA | Industrial | 1 | 604.6 GWh | Mar 2026 | - | ||
| Semass Partnership | West Wareham, MA | Commercial | 1 | 603.6 GWh | Mar 2026 | Mar 2025 | ||
| Se Athos II, LLC | San Carlos, CA | Independent Power Producer | 1 | 595.6 GWh | Mar 2026 | Sep 2025 | $3.79M | |
| Stampede Solar Project LLC | Andover, MA | Independent Power Producer | 1 | 573.8 GWh | Mar 2026 | - | ||
| Sayreville Power Generation LP | Sayreville, NJ | Independent Power Producer | 2 | 546.7 GWh | Dec 2024 | Oct 2025 | $13.05M | |
| Sky Ranch Solar And Storage | Juno Beach, FL | Independent Power Producer | 1 | 540.9 GWh | Mar 2026 | - | ||
| San Juan Solar I, LLC | New York, NY | Independent Power Producer | 1 | 539.4 GWh | Mar 2026 | - | ||
| Sparta Solar, LLC | Austin, TX | Independent Power Producer | 1 | 529.8 GWh | Mar 2026 | - | ||
| Sun Streams PVS, LLC | Boston, MA | Independent Power Producer | 1 | 500.4 GWh | Mar 2026 | Sep 2025 | $10.77M | |
| Shannon Wind LLC | Greenwich, CT | Independent Power Producer | 1 | 487.6 GWh | Mar 2026 | - | ||
| Sappi Cloquet LLC | Cloquet, MN | Industrial | 1 | 475.7 GWh | Mar 2026 | - | ||
| Shady Hills Power Co LLC | Shady Hills, FL | Independent Power Producer | 1 | 464.5 GWh | Mar 2026 | Oct 2025 | $5.79M | |
| Smoky Hills Wind Project II LLC | Andover, MA | Independent Power Producer | 1 | 455.6 GWh | Dec 2024 | Oct 2025 | $2.85M | |
| South Feather Water And Power Agency | Oroville, CA | Political Subdivision | 4 | 443.5 GWh | Dec 2024 | - | ||
| Serrano Solar, LLC | Boston, MA | Independent Power Producer | 1 | 408.1 GWh | Mar 2026 | Sep 2025 | $10.95M | |
| SR Russellville, LLC | Nashville, TN | Independent Power Producer | 1 | 407.5 GWh | Mar 2026 | - | ||
| Steele Flats Wind Project LLC | Juno Beach, FL | Independent Power Producer | 1 | 403.6 GWh | Mar 2026 | Dec 2024 | ||
| Spanish Peaks Solar LLC | Boulder, CO | Independent Power Producer | 1 | 391.0 GWh | Mar 2026 | Sep 2025 | $2.23M | |
| South Boston Energy LLC | Cooperative | 1 | 385.3 GWh | Dec 2024 | - | |||
| SWG Arapahoe, LLC | Denver, CO | Independent Power Producer | 1 | 384.6 GWh | Mar 2026 | Jun 2025 | $3.88M | |
| Saranac Power Partners LP | Plattsburgh, NY | Independent Power Producer | 1 | 384.6 GWh | Dec 2024 | Sep 2025 | $3.29M | |
| Se Aragorn, LLC | San Carlos, CA | Independent Power Producer | 1 | 362.9 GWh | Mar 2026 | - | ||
| Shady Oaks Wind 2, LLC | Windsor Locks, CT | Independent Power Producer | 1 | 356.8 GWh | Mar 2026 | Oct 2025 | $1.60M | |
| Sun Streams 2, LLC | Boston, MA | Independent Power Producer | 1 | 354.0 GWh | Mar 2026 | Sep 2025 | $1.57M | |
| Sac County Wind | Juno Beach, FL | Independent Power Producer | 1 | 348.2 GWh | Mar 2026 | Sep 2025 | $1.91M | |
| SR Desoto I, LLC | Nashville, TN | Independent Power Producer | 1 | 329.7 GWh | Mar 2026 | Sep 2025 | $2.38M | |
| Storey Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 327.5 GWh | Mar 2026 | Sep 2025 | $4.06M | |
| Saint Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 306.3 GWh | Mar 2026 | Sep 2025 | $2.41M | |
| Shasta Sustainable Resource Management, Inc. | Anderson, CA | Independent Power Producer | 1 | 303.9 GWh | Mar 2026 | Sep 2025 | $8.31M | |
| Speedway Solar, LLC | New York, NY | Independent Power Producer | 1 | 292.7 GWh | Mar 2026 | Sep 2025 | ||
| Sagebrush Power Partners, LLC | Houston, TX | Independent Power Producer | 1 | 283.3 GWh | Dec 2024 | Sep 2025 | $7.06M | |
| Standard Solar | Rockville, MD | Independent Power Producer | 90 | 277.1 GWh | Dec 2024 | - | ||
| Smoky Hills Wind Farm I LLC | Andover, MA | Independent Power Producer | 1 | 275.8 GWh | Dec 2024 | - | ||
| Salinas River Cogeneration Co | Bakersfield, CA | Industrial | 1 | 275.6 GWh | Mar 2026 | Sep 2015 |
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 | Mar 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Mar 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Mar 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Mar 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Mar 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Mar 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Mar 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | Mar 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Mar 2026 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Mar 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Mar 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Mar 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Mar 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Mar 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Mar 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Mar 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Mar 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Mar 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Mar 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Mar 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Mar 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Mar 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Mar 2026 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Mar 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Mar 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Mar 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Mar 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Mar 2026 | Subbituminous Coal : 75.0% Bituminous Coal : 16.0% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Mar 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Mar 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Mar 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Mar 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Mar 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Mar 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Mar 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 16 TWh | Nov 1972 | Mar 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Mar 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Mar 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | Mar 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Mar 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Mar 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Mar 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Mar 2026 | Nuclear : 68.1% Natural Gas : 31.9% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Mar 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Mar 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Mar 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Mar 2026 | Natural Gas |