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 | May 2026 | Sep 2025 | $195.58M | $6.65M |
| Salt River Project | Phoenix, AZ | Political Subdivision | 22 | 27.5 TWh | May 2026 | Oct 2025 | $51.30M | $124.41M |
| STP Nuclear Operating Co | Wadsworth, TX | Municipally-Owned Utility | 1 | 22.5 TWh | May 2026 | - | ||
| South Carolina Public Service Authority | Moncks Corner, SC | State-Owned Utility | 16 | 19.7 TWh | May 2026 | Oct 2025 | $332.56M | $45.75M |
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 16 | 19.4 TWh | May 2026 | Sep 2025 | $40.06M | $10.95M |
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 18 | 17.1 TWh | May 2026 | Oct 2025 | $231.47M | $98.95M |
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.6 TWh | May 2026 | Oct 2025 | $3.95M | $60.58M |
| System Energy Resources, Inc | Jackson, MS | Investor-Owned Utility | 1 | 11.4 TWh | May 2026 | Sep 2025 | $144.80M | |
| South Field Energy, LLC | Boston, MA | Independent Power Producer | 1 | 8.7 TWh | May 2026 | Oct 2025 | $73.20M | |
| Sacramento Municipal UTIL DIST | Sacramento, CA | Political Subdivision | 17 | 7.6 TWh | May 2026 | - | ||
| Sithe/Independence LLC | Irving, TX | Independent Power Producer | 1 | 7.0 TWh | May 2026 | Oct 2025 | $38.34M | |
| Sierra Pacific Power Co | Reno, NV | Investor-Owned Utility | 14 | 6.3 TWh | May 2026 | Oct 2025 | $5.93M | $30.30M |
| St Joseph Energy Center LLC | New Carlisle, IN | Cooperative | 1 | 6.1 TWh | May 2026 | Oct 2025 | $42.63M | |
| Springdale Energy LLC | Springdale, PA | Independent Power Producer | 2 | 5.0 TWh | May 2026 | Sep 2025 | $45.05M | |
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 4.9 TWh | May 2026 | Oct 2025 | $370.58M | $970.69M |
| South Houston Green Power LLC | Texas City, TX | Industrial | 3 | 4.7 TWh | May 2026 | - | ||
| Stanton Clean Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 3.8 TWh | May 2026 | Sep 2025 | $7.76M | |
| Seward Generating LLC | Latrobe, PA | Independent Power Producer | 1 | 3.4 TWh | May 2026 | - | ||
| Sweeny Cogeneration LLC | Houston, TX | Industrial | 1 | 3.4 TWh | May 2026 | - | ||
| Sunedison LLC | Belmont, CA | Independent Power Producer | 14 | 3.0 TWh | May 2026 | - | ||
| South Carolina Genertg Co, Inc | Cayce, SC | Investor-Owned Utility | 1 | 2.7 TWh | May 2026 | - | ||
| South Point Energy Center LLC | Houston, TX | Independent Power Producer | 1 | 2.6 TWh | May 2026 | Oct 2025 | $11.22M | $0 |
| Sunrise Power Co LLC | Fellows, CA | Independent Power Producer | 1 | 2.3 TWh | May 2026 | Oct 2025 | $18.85M | $1.28M |
| Sunflower Electric Power Corp | Hays, KS | Cooperative | 8 | 2.2 TWh | May 2026 | Oct 2025 | $15.65M | $1.48M |
| Shepherds Flat Wind LLC | Independent Power Producer | 3 | 2.0 TWh | May 2026 | - | |||
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.0 TWh | May 2026 | Oct 2025 | $33.22M | $8.35M |
| Shell Chemical Appalachia LLC | Monaca, PA | Industrial | 1 | 1.8 TWh | May 2026 | Oct 2025 | $9.18M | $134.98k |
| Salem Harbor Power Development LP | Salem, MA | Independent Power Producer | 2 | 1.7 TWh | May 2026 | Sep 2025 | $31.83M | |
| Sunstrong Management, LLC | Houston, TX | Independent Power Producer|Investor-Owned Utility | 109 | 1.7 TWh | May 2026 | - | ||
| San Diego Gas & Electric Co | San Diego, CA | Investor-Owned Utility | 19 | 1.5 TWh | May 2026 | Oct 2025 | $142.85M | $219.97M |
| San Miguel Electric Coop, Inc | Jourdanton, TX | Cooperative | 1 | 1.4 TWh | Feb 2026 | - | ||
| Skeleton Creek Energy Center | Juno Beach, FL | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Sep 2025 | ||
| Seven Cowboy Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Oct 2025 | $1.72M | |
| Santa Rosa Energy Center LLC | Pace, FL | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Sep 2025 | $3.98M | |
| Shawville Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Oct 2025 | $21.86M | |
| Strata Manager, LLC | Durham, NC | Independent Power Producer | 162 | 1.3 TWh | May 2026 | - | ||
| Sage Draw Wind, LLC | Wilson, TX | Independent Power Producer | 1 | 1.3 TWh | May 2026 | - | ||
| Sonoran Solar Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.2 TWh | May 2026 | Sep 2025 | $13.02M | |
| Soldier Creek Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | May 2026 | Sep 2025 | $3.65M | |
| South Texas Electric Coop, Inc | Nursery, TX | Cooperative | 3 | 1.0 TWh | May 2026 | Apr 2025 | $187.20k | |
| Solar Star California XIX, LLC | Rosamond, CA | Independent Power Producer | 1 | 985.6 GWh | May 2026 | Sep 2025 | $36.35M | |
| Shell Wind Energy Inc. | Houston, TX | Independent Power Producer | 4 | 951.0 GWh | Dec 2025 | - | ||
| Safe Harbor | Queensbury, NY | Independent Power Producer | 1 | 947.4 GWh | Dec 2025 | - | ||
| Stephens Ranch Wind Energy LLC | Commercial | 1 | 936.9 GWh | May 2026 | - | |||
| Solid Waste Authority Of Palm Beach Co | West Palm Beach, FL | Political Subdivision | 2 | 936.0 GWh | May 2026 | - | ||
| Shamrock Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 910.9 GWh | May 2026 | - | ||
| Sayreville Power Generation LP | Sayreville, NJ | Independent Power Producer | 2 | 888.8 GWh | Dec 2025 | Oct 2025 | $13.05M | |
| Sierra Pacific Industries | Anderson, CA | Commercial | 11 | 876.9 GWh | Dec 2025 | - | ||
| Southern Illinois Power Coop | Marion, IL | Cooperative | 1 | 869.5 GWh | May 2026 | Oct 2025 | $3.69M | |
| Sunflower Energy Center, LLC | Chicago, IL | Independent Power Producer | 1 | 845.7 GWh | May 2026 | Oct 2025 | $781.76k | |
| Se Juno, LLC | San Carlos, CA | Independent Power Producer | 1 | 835.1 GWh | May 2026 | - | ||
| Sweetland Wind Farm, LLC | Boulder, CO | Independent Power Producer | 1 | 833.2 GWh | May 2026 | Oct 2025 | $887.22k | |
| Solar Star California XX, LLC | Rosamond, CA | Independent Power Producer | 1 | 818.4 GWh | May 2026 | Sep 2025 | $27.41M | |
| Sun Streams Expansion, LLC | Boston, MA | Independent Power Producer | 1 | 814.4 GWh | May 2026 | Sep 2025 | $18.72M | |
| Se Athos I, LLC | San Carlos, CA | Independent Power Producer | 1 | 775.8 GWh | May 2026 | Sep 2025 | $4.73M | |
| Schuylkill Energy Resource Inc | Pottsville, PA | Independent Power Producer | 1 | 726.3 GWh | May 2026 | Oct 2025 | $6.04M | |
| Sholes Wind Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 719.6 GWh | May 2026 | - | ||
| Silver State Solar Power South, LLC | Juno Beach, FL | Independent Power Producer | 1 | 707.2 GWh | May 2026 | Sep 2025 | $27.93M | |
| Scout Clean Energy LLC | Independent Power Producer | 1 | 681.9 GWh | May 2026 | - | |||
| Suncoke Energy, Inc. | Knoxville, TN | Commercial | 3 | 677.7 GWh | Dec 2025 | - | ||
| Shell Chemical LP | Geismar, LA | Independent Power Producer|Industrial | 2 | 643.4 GWh | Dec 2025 | Sep 2025 | $883.16k | |
| Sabic Ip MT. Vernon, LLC | Mount Vernon, IN | Industrial | 1 | 625.4 GWh | May 2026 | - | ||
| Sun Valley Solar LLC | Abbott, TX | Independent Power Producer | 1 | 621.0 GWh | May 2026 | - | ||
| SR Toombs I, LLC | Nashville, TN | Independent Power Producer | 1 | 618.1 GWh | May 2026 | - | ||
| Se Athos II, LLC | San Carlos, CA | Independent Power Producer | 1 | 616.5 GWh | May 2026 | Sep 2025 | $3.79M | |
| Sappi Fine Paper North America-Somerset | Boston, MA | Industrial | 1 | 615.1 GWh | May 2026 | - | ||
| Sugar Creek Wind One LLC | Charlottesville, VA | Independent Power Producer | 1 | 613.2 GWh | May 2026 | Oct 2025 | $3.88M | |
| Se Titan, LLC | San Carlos, CA | Independent Power Producer | 1 | 611.0 GWh | May 2026 | - | ||
| Sylvamo Corporation - Eastover | Eastover, SC | Industrial | 1 | 597.3 GWh | May 2026 | - | ||
| Semass Partnership | West Wareham, MA | Commercial | 1 | 596.1 GWh | May 2026 | Mar 2025 | ||
| Stampede Solar Project LLC | Andover, MA | Independent Power Producer | 1 | 590.6 GWh | May 2026 | - | ||
| Sherbino II Wind Farm LLC | Charlotte, NC | Independent Power Producer | 1 | 583.1 GWh | Dec 2025 | - | ||
| San Juan Solar I, LLC | New York, NY | Independent Power Producer | 1 | 576.0 GWh | May 2026 | - | ||
| Sky Ranch Solar And Storage | Juno Beach, FL | Independent Power Producer | 1 | 552.2 GWh | May 2026 | - | ||
| Sparta Solar, LLC | Austin, TX | Independent Power Producer | 1 | 525.4 GWh | May 2026 | - | ||
| Sappi Cloquet LLC | Cloquet, MN | Industrial | 1 | 488.1 GWh | May 2026 | - | ||
| Shannon Wind LLC | Greenwich, CT | Independent Power Producer | 1 | 477.9 GWh | May 2026 | - | ||
| Sun Streams PVS, LLC | Boston, MA | Independent Power Producer | 1 | 476.0 GWh | May 2026 | Sep 2025 | $10.77M | |
| Serrano Solar, LLC | Boston, MA | Independent Power Producer | 1 | 470.8 GWh | May 2026 | Sep 2025 | $10.95M | |
| Sol Systems | Washington, DC | Independent Power Producer | 31 | 456.1 GWh | May 2026 | - | ||
| Shady Hills Power Co LLC | Shady Hills, FL | Independent Power Producer | 1 | 446.7 GWh | May 2026 | Oct 2025 | $5.79M | |
| Saranac Power Partners LP | Plattsburgh, NY | Independent Power Producer | 1 | 446.2 GWh | Dec 2025 | Sep 2025 | $3.29M | |
| Scrubgrass Reclamation Co. LP. | Kennerdell, PA | Independent Power Producer | 1 | 438.9 GWh | Dec 2025 | Oct 2025 | $2.71M | |
| SR Russellville, LLC | Nashville, TN | Independent Power Producer | 1 | 423.5 GWh | May 2026 | - | ||
| South Feather Water And Power Agency | Oroville, CA | Political Subdivision | 4 | 417.1 GWh | Dec 2025 | - | ||
| Steele Flats Wind Project LLC | Juno Beach, FL | Independent Power Producer | 1 | 397.0 GWh | May 2026 | Dec 2024 | ||
| Spanish Peaks Solar LLC | Boulder, CO | Independent Power Producer | 1 | 391.5 GWh | May 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 | May 2026 | Jun 2025 | $3.88M | |
| Sequoia 1 Solar Project | Houston, TX | Independent Power Producer | 1 | 380.9 GWh | May 2026 | - | ||
| Speedway Solar, LLC | New York, NY | Independent Power Producer | 1 | 379.1 GWh | May 2026 | Sep 2025 | ||
| Se Aragorn, LLC | San Carlos, CA | Independent Power Producer | 1 | 366.9 GWh | May 2026 | - | ||
| Salt Creek Wind LLC | Independent Power Producer | 1 | 360.0 GWh | May 2026 | - | |||
| Sun Streams 2, LLC | Boston, MA | Independent Power Producer | 1 | 348.6 GWh | May 2026 | Sep 2025 | $1.57M | |
| Selkirk Cogen Partners LP | Darien, CT | Independent Power Producer | 1 | 342.9 GWh | Oct 2025 | Oct 2025 | $7.24M | |
| Sac County Wind | Juno Beach, FL | Independent Power Producer | 1 | 342.4 GWh | May 2026 | Sep 2025 | $1.91M | |
| Storey Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 332.9 GWh | May 2026 | Sep 2025 | $4.06M | |
| Sequitur Renewables, LLC | Boston, MA | Independent Power Producer | 6 | 330.5 GWh | May 2026 | - | ||
| Sebree Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 328.6 GWh | May 2026 | Sep 2025 | ||
| Shady Oaks Wind 2, LLC | Windsor Locks, CT | Independent Power Producer | 1 | 326.6 GWh | May 2026 | Oct 2025 | $1.60M |
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 | May 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | May 2026 | Natural Gas : 97.1% Bituminous Coal : 2.9% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | May 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | May 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | May 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | May 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | May 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | May 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | May 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | May 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | May 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | May 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | May 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | May 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | May 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | May 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | May 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | May 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | May 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | May 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | May 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | May 2026 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | May 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | May 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 18 TWh | Dec 1983 | May 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | May 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | May 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | May 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | May 2026 | Subbituminous Coal : 75.2% Bituminous Coal : 15.7% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | May 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | May 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | May 2026 | Lignite Coal : 99.1% Natural Gas : 0.9% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | May 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | May 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | May 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | May 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | May 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | May 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | May 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 17 TWh | Jun 1981 | May 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | May 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | May 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | May 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | May 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | May 2026 | Nuclear : 64.2% Natural Gas : 35.8% |
| Union Power Station | El Dorado, Arkansas | 12 TWh | Dec 2002 | May 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | May 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | May 2026 | Subbituminous Coal : 81.6% Natural Gas : 18.4% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | May 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | May 2026 | Natural Gas |