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 | 39.6 GWh | Aug 2026 | - | ||
| Sabic Ip MT. Vernon, LLC | Mount Vernon, IN | Industrial | 1 | 633.0 GWh | Aug 2026 | - | ||
| Sac County Wind | Juno Beach, FL | Independent Power Producer | 1 | 337.8 GWh | Aug 2026 | Sep 2025 | $1.91M | |
| Sacramento Municipal UTIL DIST | Sacramento, CA | Political Subdivision | 17 | 7.6 TWh | Aug 2026 | - | ||
| Sage Draw Wind, LLC | Wilson, TX | Independent Power Producer | 1 | 1.3 TWh | Aug 2026 | - | ||
| Saguaro Power Co | Henderson, NV | Independent Power Producer | 1 | 208.6 GWh | Aug 2026 | Oct 2025 | $1.63M | |
| Saint Agnes Medical Center | Fresno, CA | Commercial | 1 | 35.2 GWh | Aug 2026 | - | ||
| Saint Energy Storage II LLC | Juno Beach, FL | Independent Power Producer | 1 | -22.6 GWh | Aug 2026 | Sep 2025 | $2.69M | |
| Saint Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 302.6 GWh | Aug 2026 | Sep 2025 | $2.41M | |
| Salem Harbor Power Development LP | Salem, MA | Independent Power Producer | 2 | 1.5 TWh | Aug 2026 | Sep 2025 | $31.83M | |
| Salinas River Cogeneration Co | Bakersfield, CA | Industrial | 1 | 278.0 GWh | Aug 2026 | Sep 2015 | ||
| Salt City Solar LLC | Houston, TX | Independent Power Producer | 1 | 115.3 GWh | Aug 2026 | Sep 2025 | $1.42M | |
| Salt Creek Wind LLC | Independent Power Producer | 1 | 452.0 GWh | Aug 2026 | - | |||
| Salt River Project | Phoenix, AZ | Political Subdivision | 22 | 27.5 TWh | Aug 2026 | Oct 2025 | $51.30M | $124.41M |
| San Diego Gas & Electric Co | San Diego, CA | Investor-Owned Utility | 19 | 1.5 TWh | Aug 2026 | Oct 2025 | $142.85M | $219.97M |
| San Isabel Solar, LLC | New York, NY | Independent Power Producer | 1 | 73.0 GWh | Aug 2026 | Sep 2025 | $1.01M | |
| San Jose/Santa Clara Water P C | San Jose, CA | Municipally-Owned Utility | 1 | 81.8 GWh | Aug 2026 | - | ||
| San Jose State University FCLTS Dev &Ops | San Jose, CA | State-Owned Utility | 1 | 38.3 GWh | Aug 2026 | - | ||
| San Juan Solar I, LLC | New York, NY | Independent Power Producer | 1 | 579.6 GWh | Aug 2026 | - | ||
| San Miguel Electric Coop, Inc | Jourdanton, TX | Cooperative | 1 | 1.4 TWh | Aug 2026 | - | ||
| Sanford Airport Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 99.5 GWh | Aug 2026 | Sep 2025 | $2.06M | |
| Santa Paula Energy Storage, LLC | Aliso VIejo, CA | Independent Power Producer | 1 | -2.3 GWh | Aug 2026 | Sep 2025 | $277.00k | |
| Santa Rosa Energy Center LLC | Pace, FL | Independent Power Producer | 1 | 1.4 TWh | Aug 2026 | Sep 2025 | $3.98M | |
| Santa Teresa Solar | New York, NY | Independent Power Producer | 1 | 99.1 GWh | Aug 2026 | - | ||
| Sappi Cloquet LLC | Cloquet, MN | Industrial | 1 | 500.6 GWh | Aug 2026 | - | ||
| Sappi Fine Paper North America-Somerset | Boston, MA | Industrial | 1 | 620.7 GWh | Aug 2026 | - | ||
| Scatter Wash Energy Storage, LLC | Phoenix, AZ | Independent Power Producer | 2 | -48.2 GWh | Aug 2026 | Sep 2025 | $12.37M | |
| Schuylkill Energy Resource Inc | Pottsville, PA | Independent Power Producer | 1 | 716.2 GWh | Aug 2026 | Oct 2025 | $6.04M | |
| Scout Clean Energy LLC | Independent Power Producer | 1 | 678.0 GWh | Aug 2026 | - | |||
| Se Aragorn, LLC | San Carlos, CA | Independent Power Producer | 1 | 383.6 GWh | Aug 2026 | - | ||
| Se Athos I, LLC | San Carlos, CA | Independent Power Producer | 1 | 747.1 GWh | Aug 2026 | Sep 2025 | $4.73M | |
| Se Athos II, LLC | San Carlos, CA | Independent Power Producer | 1 | 570.7 GWh | Aug 2026 | Sep 2025 | $3.79M | |
| Se Juno, LLC | San Carlos, CA | Independent Power Producer | 1 | 835.6 GWh | Aug 2026 | - | ||
| Se Titan, LLC | San Carlos, CA | Independent Power Producer | 1 | 627.0 GWh | Aug 2026 | - | ||
| Seadrift Coke L P | Port Lavaca, TX | Industrial | 1 | 38.6 GWh | Aug 2026 | - | ||
| Searcy Solar, LLC | Juno Beach, FL | Investor-Owned Utility | 1 | 194.1 GWh | Aug 2026 | - | ||
| Searles Valley Minerals Operations Inc. | Trona, CA | Industrial | 2 | 158.9 GWh | Aug 2026 | - | ||
| Sebree Solar, LLC | Juno Beach, FL | Independent Power Producer | 2 | 531.4 GWh | Aug 2026 | Sep 2025 | ||
| Selmer North Solar I, LLC | Nashville, TN | Independent Power Producer | 1 | 32.5 GWh | Aug 2026 | - | ||
| Selmer North Solar II, LLC | Nashville, TN | Independent Power Producer | 1 | 16.3 GWh | Aug 2026 | - | ||
| Semass Partnership | West Wareham, MA | Commercial | 1 | 587.7 GWh | Aug 2026 | Mar 2025 | ||
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.5 TWh | Aug 2026 | Oct 2025 | $3.95M | $60.58M |
| Seneca Generation LLC | Warren, PA | Independent Power Producer | 1 | -365.6 GWh | Aug 2026 | Oct 2025 | $20.14M | |
| Sentinel Energy Center LLC | Desert Hot Springs, CA | Independent Power Producer | 1 | 241.8 GWh | Aug 2026 | Oct 2025 | $22.72M | |
| SEPG MGA, LLC | Kathleen, GA | Independent Power Producer | 1 | 195.3 GWh | Aug 2026 | - | ||
| Sequitur Renewables, LLC | Boston, MA | Independent Power Producer | 6 | 330.5 GWh | Aug 2026 | - | ||
| Sequoia 1 Solar Project | Houston, TX | Independent Power Producer | 1 | 703.0 GWh | Aug 2026 | - | ||
| Serrano Solar, LLC | Boston, MA | Independent Power Producer | 1 | 452.4 GWh | Aug 2026 | Sep 2025 | $10.95M | |
| Seven Cowboy Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 1.4 TWh | Aug 2026 | Oct 2025 | $1.72M | |
| Seward Generating LLC | Latrobe, PA | Independent Power Producer | 1 | 3.5 TWh | Aug 2026 | - | ||
| Shadow Wolf Energy | Santa Clarita, CA | Independent Power Producer | 1 | 5.0 GWh | Aug 2026 | - | ||
| Shady Hills Power Co LLC | Shady Hills, FL | Independent Power Producer | 1 | 437.0 GWh | Aug 2026 | Oct 2025 | $5.79M | |
| Shady Oaks Wind 2, LLC | Windsor Locks, CT | Independent Power Producer | 1 | 318.5 GWh | Aug 2026 | Oct 2025 | $1.60M | |
| Shallow Basket Energy, LLC | Minnetonka, MN | Independent Power Producer | 1 | 419.4 GWh | Aug 2026 | - | ||
| Shamrock Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 911.8 GWh | Aug 2026 | - | ||
| Shasta Sustainable Resource Management, Inc. | Anderson, CA | Independent Power Producer | 1 | 315.2 GWh | Aug 2026 | Sep 2025 | $8.31M | |
| SHAW Creek Solar | Juno Beach, FL | Independent Power Producer | 1 | 177.0 GWh | Aug 2026 | Sep 2025 | $1.75M | |
| Shawville Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.5 TWh | Aug 2026 | Oct 2025 | $21.86M | |
| Shell Chemical Appalachia LLC | Monaca, PA | Industrial | 1 | 1.9 TWh | Aug 2026 | Oct 2025 | $9.18M | $134.98k |
| Shepherds Flat Wind LLC | Independent Power Producer | 3 | 2.1 TWh | Aug 2026 | - | |||
| Sholes Wind Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 695.9 GWh | Aug 2026 | - | ||
| Sierra Estrella Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -40.8 GWh | Aug 2026 | Oct 2025 | $10.97M | |
| Sierra Pacific Power Co | Reno, NV | Investor-Owned Utility | 14 | 6.3 TWh | Aug 2026 | Oct 2025 | $5.93M | $30.30M |
| Signal Hill Petroleum, Inc | Signal Hill, CA | Industrial | 1 | 42.9 GWh | Aug 2026 | - | ||
| Sigurd Solar LLC | New York, NY | Independent Power Producer | 1 | 228.7 GWh | Aug 2026 | Sep 2025 | $1.73M | |
| Silver Peak Solar, LLC | Irvine, CA | Independent Power Producer | 1 | -44.1 GWh | Aug 2026 | Sep 2025 | $969.61k | |
| Silver State Solar Power North, LLC | Primm, NV | Independent Power Producer | 1 | 123.4 GWh | Aug 2026 | Sep 2025 | $4.90M | |
| Silver State Solar Power South, LLC | Juno Beach, FL | Independent Power Producer | 1 | 689.4 GWh | Aug 2026 | Sep 2025 | $27.93M | |
| Silver State South Storage, LLC | Primm, NV | Independent Power Producer | 1 | -44.0 GWh | Aug 2026 | Sep 2025 | $5.14M | |
| Simcoe Solar | Miami, FL | Independent Power Producer | 1 | 52.2 GWh | Aug 2026 | - | ||
| Simplot Leasing Corp | Boise, ID | Industrial | 1 | 84.4 GWh | Aug 2026 | - | ||
| Simplot Phosphates LLC | Rock Springs, WY | Industrial | 1 | 109.3 GWh | Aug 2026 | - | ||
| Sithe/Independence LLC | Irving, TX | Independent Power Producer | 1 | 7.4 TWh | Aug 2026 | Oct 2025 | $38.34M | |
| Skeleton Creek Energy Center | Juno Beach, FL | Independent Power Producer | 1 | 1.6 TWh | Aug 2026 | Sep 2025 | ||
| Sky Ranch Solar And Storage | Juno Beach, FL | Independent Power Producer | 1 | 560.0 GWh | Aug 2026 | - | ||
| Skysol Holdco LLC | Irvine, CA | Independent Power Producer | 1 | 142.0 GWh | Aug 2026 | - | ||
| Sloughhouse Solar, LLC | New York, NY | Independent Power Producer | 1 | 132.3 GWh | Aug 2026 | Sep 2025 | ||
| Socore Energy LLC | Chicago, IL | Independent Power Producer | 87 | 287.4 GWh | Aug 2026 | - | ||
| Sol Systems | Washington, DC | Independent Power Producer | 31 | 808.0 GWh | Aug 2026 | - | ||
| Solaireholman 1, LLC | San Francisco, CA | Independent Power Producer | 1 | 86.6 GWh | Aug 2026 | - | ||
| Solar PV Development NM 18 II LLC | New York, NY | Independent Power Producer | 1 | 182.1 GWh | Aug 2026 | - | ||
| Solar Star California XIX, LLC | Rosamond, CA | Independent Power Producer | 1 | 971.9 GWh | Aug 2026 | Sep 2025 | $36.35M | |
| Solar Star California XX, LLC | Rosamond, CA | Independent Power Producer | 1 | 842.3 GWh | Aug 2026 | Sep 2025 | $27.41M | |
| Soldier Creek Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | Aug 2026 | Sep 2025 | $3.65M | |
| Solid Waste Authority Of Palm Beach Co | West Palm Beach, FL | Political Subdivision | 2 | 924.2 GWh | Aug 2026 | - | ||
| Solutia Inc-Indian | St Louis, MO | Industrial | 1 | 11.9 GWh | Aug 2026 | - | ||
| Sonoco Products Co | Hartsville, SC | |Industrial | 2 | 72.1 GWh | Aug 2026 | - | ||
| Sonoran Solar Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | Aug 2026 | Sep 2025 | $13.02M | |
| South Carolina Genertg Co, Inc | Cayce, SC | Investor-Owned Utility | 1 | 2.7 TWh | Aug 2026 | - | ||
| South Carolina Public Service Authority | Moncks Corner, SC | State-Owned Utility | 16 | 19.7 TWh | Aug 2026 | Oct 2025 | $332.56M | $45.75M |
| South Field Energy, LLC | Boston, MA | Independent Power Producer | 1 | 8.7 TWh | Aug 2026 | Oct 2025 | $73.20M | |
| South Houston Green Power LLC | Texas City, TX | Industrial | 3 | 4.7 TWh | Aug 2026 | - | ||
| South Point Energy Center LLC | Houston, TX | Independent Power Producer | 1 | 3.2 TWh | Aug 2026 | Oct 2025 | $11.22M | $0 |
| South Texas Electric Coop, Inc | Nursery, TX | Cooperative | 3 | 1.0 TWh | Aug 2026 | Apr 2025 | $187.20k | |
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 4.9 TWh | Aug 2026 | Oct 2025 | $370.58M | $970.69M |
| Southern Illinois Power Coop | Marion, IL | Cooperative | 1 | 888.1 GWh | Aug 2026 | Oct 2025 | $3.69M | |
| Southern Illinois University Carbondale | Carbondale, IL | State-Owned Utility | 1 | 9.9 GWh | Aug 2026 | - | ||
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.0 TWh | Aug 2026 | Oct 2025 | $33.22M | $8.35M |
| Southern Power Co | Atlanta, GA | Investor-Owned Utility | 53 | 48.1 TWh | Aug 2026 | Sep 2025 | $195.58M | $6.65M |
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 16 | 21.2 TWh | Aug 2026 | Sep 2025 | $40.06M | $10.95M |
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% |