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 |
|---|---|---|---|---|---|---|---|---|
| S.C. Johnson & Son, Inc. | Racine, WI | Industrial | 1 | 39.5 GWh | Sep 2025 | - | ||
| Sabic Ip MT. Vernon, LLC | Mount Vernon, IN | Industrial | 1 | 385.7 GWh | Sep 2025 | - | ||
| Sac County Wind | Juno Beach, FL | Independent Power Producer | 1 | 338.4 GWh | Sep 2025 | Sep 2025 | $1.91M | |
| Sacramento Municipal UTIL DIST | Sacramento, CA | Political Subdivision | 17 | 7.9 TWh | Sep 2025 | - | ||
| Sage Draw Wind, LLC | Wilson, TX | Independent Power Producer | 1 | 1.2 TWh | Sep 2025 | - | ||
| Saguaro Power Co | Henderson, NV | Independent Power Producer | 1 | 322.8 GWh | Sep 2025 | Oct 2025 | $1.63M | |
| Saint Agnes Medical Center | Fresno, CA | Commercial | 1 | 35.2 GWh | Sep 2025 | - | ||
| Saint Energy Storage II LLC | Juno Beach, FL | Independent Power Producer | 1 | -17.6 GWh | Sep 2025 | Sep 2025 | $2.69M | |
| Saint Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 312.3 GWh | Sep 2025 | Sep 2025 | $2.41M | |
| Salem Harbor Power Development LP | Salem, MA | Independent Power Producer | 2 | 1.7 TWh | Sep 2025 | Sep 2025 | $31.83M | |
| Salinas River Cogeneration Co | Bakersfield, CA | Industrial | 1 | 281.0 GWh | Sep 2025 | Sep 2015 | ||
| Salt City Solar LLC | Houston, TX | Independent Power Producer | 1 | 114.7 GWh | Sep 2025 | Sep 2025 | $1.42M | |
| Salt River Project | Phoenix, AZ | Political Subdivision | 21 | 30.4 TWh | Sep 2025 | Oct 2025 | $51.30M | $124.41M |
| San Diego Gas & Electric Co | San Diego, CA | Investor-Owned Utility | 19 | 1.2 TWh | Sep 2025 | Oct 2025 | $142.85M | $219.97M |
| San Diego State University | San Diego, CA | State-Owned Utility | 1 | 57.8 GWh | Sep 2025 | - | ||
| San Isabel Solar, LLC | New York, NY | Independent Power Producer | 1 | 77.7 GWh | Sep 2025 | Sep 2025 | $1.01M | |
| San Jose/Santa Clara Water P C | San Jose, CA | Municipally-Owned Utility | 1 | 89.7 GWh | Sep 2025 | - | ||
| San Jose State University FCLTS Dev &Ops | San Jose, CA | State-Owned Utility | 1 | 37.6 GWh | Sep 2025 | - | ||
| San Juan Solar I, LLC | New York, NY | Independent Power Producer | 1 | 434.5 GWh | Sep 2025 | - | ||
| San Miguel Electric Coop, Inc | Jourdanton, TX | Cooperative | 1 | 1.5 TWh | Sep 2025 | - | ||
| Sanford Airport Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 96.9 GWh | Sep 2025 | Sep 2025 | $2.06M | |
| Santa Paula Energy Storage, LLC | Aliso VIejo, CA | Independent Power Producer | 1 | -2.0 GWh | Sep 2025 | Sep 2025 | $277.00k | |
| Santa Rosa Energy Center LLC | Pace, FL | Independent Power Producer | 1 | 1.3 TWh | Sep 2025 | Sep 2025 | $3.98M | |
| Sappi Cloquet LLC | Cloquet, MN | Industrial | 1 | 492.6 GWh | Sep 2025 | - | ||
| Sappi Fine Paper North America-Somerset | Boston, MA | Industrial | 1 | 624.0 GWh | Sep 2025 | - | ||
| Scatter Wash Energy Storage, LLC | Phoenix, AZ | Independent Power Producer | 2 | -20.9 GWh | Sep 2025 | Sep 2025 | $12.37M | |
| Schuylkill Energy Resource Inc | Pottsville, PA | Independent Power Producer | 1 | 729.4 GWh | Sep 2025 | Oct 2025 | $6.04M | |
| Scout Clean Energy LLC | Independent Power Producer | 1 | 654.0 GWh | Sep 2025 | - | |||
| Se Aragorn, LLC | San Carlos, CA | Independent Power Producer | 1 | 387.0 GWh | Sep 2025 | - | ||
| Se Athos I, LLC | San Carlos, CA | Independent Power Producer | 1 | 770.0 GWh | Sep 2025 | Sep 2025 | $4.73M | |
| Se Athos II, LLC | San Carlos, CA | Independent Power Producer | 1 | 619.9 GWh | Sep 2025 | Sep 2025 | $3.79M | |
| Se Juno, LLC | San Carlos, CA | Independent Power Producer | 1 | 842.2 GWh | Sep 2025 | - | ||
| Se Titan, LLC | San Carlos, CA | Independent Power Producer | 1 | 624.4 GWh | Sep 2025 | - | ||
| Seadrift Coke L P | Port Lavaca, TX | Industrial | 1 | 31.9 GWh | Sep 2025 | - | ||
| Searcy Solar, LLC | Juno Beach, FL | Investor-Owned Utility | 1 | 223.0 GWh | Sep 2025 | - | ||
| Searles Valley Minerals Operations Inc. | Trona, CA | Industrial | 2 | 274.5 GWh | Sep 2025 | - | ||
| Sebree Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 41.5 GWh | Sep 2025 | Sep 2025 | ||
| Selmer North Solar I, LLC | Nashville, TN | Independent Power Producer | 1 | 30.3 GWh | Sep 2025 | - | ||
| Selmer North Solar II, LLC | Nashville, TN | Independent Power Producer | 1 | 15.7 GWh | Sep 2025 | - | ||
| Semass Partnership | West Wareham, MA | Commercial | 1 | 621.0 GWh | Sep 2025 | Mar 2025 | ||
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.8 TWh | Sep 2025 | Oct 2025 | $3.95M | $60.58M |
| Seneca Energy II | Oakfield, NY | Independent Power Producer | 2 | 160.5 GWh | Sep 2025 | - | ||
| Seneca Generation LLC | Warren, PA | Independent Power Producer | 1 | -397.7 GWh | Sep 2025 | Oct 2025 | $20.14M | |
| Sentinel Energy Center LLC | Desert Hot Springs, CA | Independent Power Producer | 1 | 179.5 GWh | Sep 2025 | Oct 2025 | $22.72M | |
| SEPG MGA, LLC | Kathleen, GA | Independent Power Producer | 1 | 180.0 GWh | Sep 2025 | - | ||
| Sequitur Renewables, LLC | Boston, MA | Independent Power Producer | 6 | 249.6 GWh | Sep 2025 | - | ||
| Serrano Solar, LLC | Boston, MA | Independent Power Producer | 1 | 250.5 GWh | Sep 2025 | Sep 2025 | $10.95M | |
| Seven Cowboy Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 1.2 TWh | Sep 2025 | Oct 2025 | $1.72M | |
| Seward Generating LLC | Latrobe, PA | Independent Power Producer | 1 | 2.7 TWh | Sep 2025 | - | ||
| Sewaren Generating Station | Sewaren, NJ | Independent Power Producer | 1 | 2.2 TWh | Sep 2025 | - | ||
| Shadow Wolf Energy | Santa Clarita, CA | Independent Power Producer | 1 | 2.6 GWh | Sep 2025 | - | ||
| Shady Hills Power Co LLC | Shady Hills, FL | Independent Power Producer | 1 | 547.2 GWh | Sep 2025 | Oct 2025 | $5.79M | |
| Shady Oaks Wind 2, LLC | Windsor Locks, CT | Independent Power Producer | 1 | 355.5 GWh | Sep 2025 | Oct 2025 | $1.60M | |
| Shallow Basket Energy, LLC | Minnetonka, MN | Independent Power Producer | 1 | 68.2 GWh | Sep 2025 | - | ||
| Shamrock Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 938.0 GWh | Sep 2025 | - | ||
| Shannon Wind LLC | Greenwich, CT | Independent Power Producer | 1 | 475.0 GWh | Sep 2025 | - | ||
| Shasta Sustainable Resource Management, Inc. | Anderson, CA | Independent Power Producer | 1 | 307.3 GWh | Sep 2025 | Sep 2025 | $8.31M | |
| SHAW Creek Solar | Juno Beach, FL | Independent Power Producer | 1 | 177.2 GWh | Sep 2025 | Sep 2025 | $1.75M | |
| Shawville Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.2 TWh | Sep 2025 | Oct 2025 | $21.86M | |
| Shell Chemical Appalachia LLC | Houston, TX | Industrial | 1 | 1.7 TWh | Sep 2025 | Oct 2025 | $9.18M | $134.98k |
| Sholes Wind Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 753.1 GWh | Sep 2025 | - | ||
| Shoshone Irrigation District | Powell, WY | Political Subdivision | 1 | 10.5 GWh | Sep 2025 | - | ||
| Sierra Estrella Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -46.8 GWh | Sep 2025 | Oct 2025 | $10.97M | |
| Sierra Pacific Power Co | Reno, NV | Investor-Owned Utility | 14 | 6.2 TWh | Sep 2025 | Oct 2025 | $5.93M | $30.30M |
| Signal Hill Petroleum, Inc | Signal Hill, CA | Industrial | 1 | 42.7 GWh | Sep 2025 | - | ||
| Sigurd Solar LLC | New York, NY | Independent Power Producer | 1 | 215.7 GWh | Sep 2025 | Sep 2025 | $1.73M | |
| Silver Peak Solar, LLC | Irvine, CA | Independent Power Producer | 1 | -21.9 GWh | Sep 2025 | Sep 2025 | $969.61k | |
| Silver State Solar Power North, LLC | Primm, NV | Independent Power Producer | 1 | 124.0 GWh | Sep 2025 | Sep 2025 | $4.90M | |
| Silver State Solar Power South, LLC | Juno Beach, FL | Independent Power Producer | 1 | 736.4 GWh | Sep 2025 | Sep 2025 | $27.93M | |
| Silver State South Storage, LLC | Primm, NV | Independent Power Producer | 1 | -27.7 GWh | Sep 2025 | Sep 2025 | $5.14M | |
| Simcoe Solar | Scottsdale, AZ | Independent Power Producer | 1 | 53.2 GWh | Sep 2025 | - | ||
| Simplot Leasing Corp | Boise, ID | Industrial | 1 | 72.1 GWh | Sep 2025 | - | ||
| Simplot Phosphates LLC | Rock Springs, WY | Industrial | 1 | 108.8 GWh | Sep 2025 | - | ||
| Sithe/Independence LLC | Irving, TX | Independent Power Producer | 1 | 6.6 TWh | Sep 2025 | Oct 2025 | $38.34M | |
| Skeleton Creek Energy Center | Juno Beach, FL | Independent Power Producer | 1 | 892.0 GWh | Sep 2025 | Sep 2025 | ||
| Sky Ranch Solar And Storage | Juno Beach, FL | Independent Power Producer | 1 | 551.2 GWh | Sep 2025 | - | ||
| Sloughhouse Solar, LLC | New York, NY | Independent Power Producer | 1 | 35.6 GWh | Sep 2025 | Sep 2025 | ||
| Socore Energy LLC | Chicago, IL | Independent Power Producer | 78 | 234.5 GWh | Sep 2025 | - | ||
| Sol Systems | Washington, DC | Independent Power Producer | 28 | 509.6 GWh | Sep 2025 | - | ||
| Solaireholman 1, LLC | San Francisco, CA | Independent Power Producer | 1 | 118.5 GWh | Sep 2025 | - | ||
| Solar Star California XIX, LLC | Rosamond, CA | Independent Power Producer | 1 | 975.8 GWh | Sep 2025 | Sep 2025 | $36.35M | |
| Solar Star California XX, LLC | Rosamond, CA | Independent Power Producer | 1 | 778.7 GWh | Sep 2025 | Sep 2025 | $27.41M | |
| Soldier Creek Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | Sep 2025 | Sep 2025 | $3.65M | |
| Solid Waste Authority Of Palm Beach Co | West Palm Beach, FL | Political Subdivision | 2 | 936.9 GWh | Sep 2025 | - | ||
| Sonoco Products Co | Hartsville, SC | |Industrial | 2 | 69.1 GWh | Sep 2025 | - | ||
| Sonoran Solar Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.2 TWh | Sep 2025 | Sep 2025 | $13.02M | |
| South Carolina Genertg Co, Inc | Cayce, SC | Investor-Owned Utility | 1 | 2.5 TWh | Sep 2025 | - | ||
| South Carolina Public Service Authority | Moncks Corner, SC | State-Owned Utility | 16 | 18.0 TWh | Sep 2025 | Oct 2025 | $332.56M | $45.75M |
| South Field Energy, LLC | Boston, MA | Independent Power Producer | 1 | 8.8 TWh | Sep 2025 | Oct 2025 | $73.20M | |
| South Houston Green Power LLC | Texas City, TX | Industrial | 3 | 4.7 TWh | Sep 2025 | - | ||
| South Point Energy Center LLC | Houston, TX | Independent Power Producer | 1 | 2.2 TWh | Sep 2025 | Oct 2025 | $11.22M | $0 |
| South Texas Electric Coop, Inc | Nursery, TX | Cooperative | 3 | 845.1 GWh | Sep 2025 | Apr 2025 | $187.20k | |
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 6.6 TWh | Sep 2025 | Oct 2025 | $370.58M | $970.69M |
| Southern Illinois Power Coop | Marion, IL | Cooperative | 1 | 835.2 GWh | Sep 2025 | Oct 2025 | $3.69M | |
| Southern Illinois University Carbondale | Carbondale, IL | State-Owned Utility | 1 | 9.8 GWh | Sep 2025 | - | ||
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.2 TWh | Sep 2025 | Oct 2025 | $33.22M | $8.35M |
| Southern Minnesota Beet Sugar | Renville, MN | Industrial | 1 | 25.5 GWh | Sep 2025 | - | ||
| Southern Power Co | Atlanta, GA | Investor-Owned Utility | 52 | 48.1 TWh | Sep 2025 | Sep 2025 | $195.58M | $6.65M |
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 15 | 19.4 TWh | Sep 2025 | Sep 2025 | $40.06M | $10.95M |
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 16 | 17.1 TWh | Sep 2025 | Oct 2025 | $231.47M | $98.95M |
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 | Sep 2025 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Sep 2025 | Natural Gas : 92.7% Bituminous Coal : 7.3% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Sep 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | Sep 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Sep 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 29 TWh | Jul 1974 | Sep 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Sep 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Sep 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Sep 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Sep 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Sep 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Sep 2025 | Natural Gas : 78.9% Bituminous Coal : 20.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Sep 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Sep 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Sep 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Sep 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Sep 2025 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Sep 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Sep 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Sep 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Sep 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Sep 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Sep 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Sep 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 14 TWh | Nov 1977 | Sep 2025 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Sep 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | Sep 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Sep 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Sep 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 16 TWh | Nov 1975 | Sep 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Sep 2025 | Subbituminous Coal : 74.0% Bituminous Coal : 16.6% Petroleum Coke : 9.2% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Sep 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Sep 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 23 TWh | Jun 1973 | Sep 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Sep 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Sep 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Sep 2025 | Nuclear |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 17 TWh | May 1971 | Sep 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Sep 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | Sep 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 12 TWh | Jun 1981 | Sep 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Sep 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 17 TWh | Apr 1976 | Sep 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | Sep 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Sep 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Sep 2025 | Nuclear : 67.7% Natural Gas : 32.3% |
| Vogtle | Waynesboro, Georgia | 36 TWh | Apr 1987 | Sep 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Sep 2025 | Subbituminous Coal : 83.7% Natural Gas : 16.3% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Sep 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Sep 2025 | Natural Gas : 99.9% |