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 |
|---|---|---|---|---|---|---|---|---|
| Stephens Ranch Wind Energy LLC | Commercial | 1 | 943.8 GWh | Aug 2026 | - | |||
| Starvation Solar I LLC | Independent Power Producer | 1 | 23.9 GWh | Dec 2025 | - | |||
| Star Peak Geothermal LLC | Independent Power Producer | 1 | 47.7 GWh | Dec 2025 | - | |||
| SPS Atwell Island LLC | Independent Power Producer | 1 | 35.3 GWh | Dec 2025 | - | |||
| Spectrum Solar LLC | Independent Power Producer | 1 | 11.3 GWh | Dec 2025 | - | |||
| South Boston Energy LLC | Cooperative | 1 | 392.4 GWh | Dec 2025 | - | |||
| Solar Oasis LLC | Independent Power Producer | 1 | 55.4 GWh | Dec 2025 | - | |||
| Snow Mountain Hydro LLC | Independent Power Producer | 4 | 39.2 GWh | Dec 2025 | - | |||
| Silver Star I Power Partners LLC | Independent Power Producer | 1 | 221.4 GWh | Dec 2025 | - | |||
| Shepherds Flat Wind LLC | Independent Power Producer | 3 | 2.1 TWh | Aug 2026 | - | |||
| Sentinel Peak Resources California LLC | Industrial | 3 | 89.5 GWh | Dec 2025 | - | |||
| Seneca Sustainable Energy LLC | Industrial | 1 | 131.1 GWh | Dec 2025 | - | |||
| Scout Clean Energy LLC | Independent Power Producer | 1 | 678.0 GWh | Aug 2026 | - | |||
| Santa CRUZ Energy LLC | Independent Power Producer | 1 | 9.6 GWh | Dec 2025 | - | |||
| Salt Creek Wind LLC | Independent Power Producer | 1 | 452.0 GWh | Aug 2026 | - | |||
| Siskiyou Power Authority | Yreka, CA | Municipally-Owned Utility | 1 | 24.4 GWh | Dec 2025 | - | ||
| Shipley Choice, LLC | York, PA | - | - | - | Oct 2025 | $1.88M | $2.12M | |
| Shady Oaks Wind 2, LLC | Windsor Locks, CT | Independent Power Producer | 1 | 318.5 GWh | Aug 2026 | Oct 2025 | $1.60M | |
| Sage Draw Wind, LLC | Wilson, TX | Independent Power Producer | 1 | 1.3 TWh | Aug 2026 | - | ||
| South Atlantic Services Inc | Wilmington, NC | Industrial | 1 | 2.3 GWh | Dec 2025 | - | ||
| Surbrook Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 20.0 GWh | Dec 2025 | - | ||
| Stoneheart Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 4.2 GWh | Dec 2025 | - | ||
| Sol Orchard Imperial 1, LLC | Wilmington, DE | Independent Power Producer | 1 | 47.4 GWh | Dec 2025 | - | ||
| Shipsterns Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 41.7 GWh | Dec 2025 | - | ||
| Sunenergy1-Scotland Neck, LLC | Westport, CT | Independent Power Producer | 1 | 5.4 GWh | Dec 2025 | - | ||
| Sugar Run Solar, LLC | Westport, CT | Independent Power Producer | 1 | 8.8 GWh | Dec 2025 | - | ||
| Signal Street Operating, LLC | Westport, CT | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Silverstreet Hydro | Westfield, MA | Independent Power Producer | 2 | 4.9 GWh | Dec 2025 | - | ||
| Sappi North America, Inc. | Westbrook, ME | - | - | - | Sep 2025 | $265.71k | ||
| Semass Partnership | West Wareham, MA | Commercial | 1 | 587.7 GWh | Aug 2026 | Mar 2025 | ||
| Solid Waste Authority Of Palm Beach Co | West Palm Beach, FL | Political Subdivision | 2 | 924.2 GWh | Aug 2026 | - | ||
| Southeastern Chester County Refuse AUTH | West Grove, PA | Municipally-Owned Utility | 1 | 2.0 GWh | Dec 2025 | - | ||
| Stored Solar J&We | West Enfield, ME | Independent Power Producer | 2 | 53.5 GWh | Jan 2026 | Mar 2023 | ||
| Sol Systems | Washington, DC | Independent Power Producer | 31 | 808.0 GWh | Aug 2026 | - | ||
| Sidney, LLC | Washington, DC | - | - | - | Oct 2025 | $190.51k | ||
| Seneca Generation LLC | Warren, PA | Independent Power Producer | 1 | -365.6 GWh | Aug 2026 | Oct 2025 | $20.14M | |
| Syracuse, L.L.C. | Warner Robins, GA | - | - | - | Oct 2025 | $1.66M | $53.30k | |
| Sunflower County Solar Project, LLC | Walnut Creek, CA | Independent Power Producer | 1 | 165.9 GWh | Aug 2026 | - | ||
| STP Nuclear Operating Co | Wadsworth, TX | Municipally-Owned Utility | 1 | 22.2 TWh | Aug 2026 | - | ||
| Solano Irrigation District | Vacaville, CA | Political Subdivision | 1 | 41.7 GWh | Dec 2025 | - | ||
| San Antonio Regional Hospital | Upland, CA | Commercial | 1 | 13.6 GWh | Dec 2025 | - | ||
| Stephentown Spindle, LLC | Tyngsboro, MA | - | - | - | Oct 2025 | $264.26k | ||
| Shorock Hydro Inc | Twin Falls, ID | Independent Power Producer | 1 | 705.0 MWh | Dec 2025 | - | ||
| Southwestern Power Administration | Tulsa, OK | - | - | - | Oct 2025 | $1.59M | $4.24M | |
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 16 | 21.2 TWh | Aug 2026 | Sep 2025 | $40.06M | $10.19M |
| South Sutter Water District | Trowbridge, CA | Independent Power Producer | 1 | 14.2 GWh | Dec 2025 | - | ||
| Searles Valley Minerals Operations Inc. | Trona, CA | Industrial | 2 | 158.9 GWh | Aug 2026 | - | ||
| Sylvamo North America LLC | Ticonderoga, NY | Industrial | 1 | 225.6 GWh | Aug 2026 | - | ||
| Superstition Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -17.4 GWh | Aug 2026 | Oct 2025 | $4.24M | |
| Sierra Estrella Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -40.8 GWh | Aug 2026 | Oct 2025 | $10.97M | |
| South Houston Green Power LLC | Texas City, TX | Industrial | 3 | 4.7 TWh | Aug 2026 | - | ||
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.5 TWh | Aug 2026 | Oct 2025 | $3.95M | $60.58M |
| S.J. Energy Partners, Inc. | Tampa, FL | - | - | - | Oct 2025 | $7.45k | $222.98k | |
| Sunnyside Cogeneration Assoc | Sunnyside, UT | Independent Power Producer | 1 | 23.0 GWh | Jan 2026 | Aug 2025 | $1.12M | |
| Sikorsky Aircraft Corporation | Stratford, CT | Industrial | 1 | 70.1 GWh | Dec 2025 | - | ||
| Stillwater Utilities Authority | Stillwater, OK | Municipally-Owned Utility | 3 | 118.5 GWh | Dec 2025 | Sep 2025 | $6.92M | |
| Strandness Garden LLC | Starbuck, MN | Independent Power Producer | 1 | 1.6 GWh | Dec 2025 | - | ||
| Stanford University Power LLC | Stanford, CA | - | - | - | Oct 2025 | $1.27M | $1.99M | |
| Stamford Health Tully Health Center | Stamford, CT | Commercial | 1 | 5.5 GWh | Dec 2025 | - | ||
| Salt Creek Township Solar, LLC | St. Louis, MO | - | - | - | Sep 2025 | $1.52M | ||
| St. Cloud Hydroelectric Generation Facility | St. Cloud, MN | Municipally-Owned Utility | 1 | 49.0 GWh | Dec 2025 | - | ||
| Solutia Inc-Indian | St Louis, MO | Industrial | 1 | 11.9 GWh | Aug 2026 | - | ||
| Springer Electric Coop, Inc | Springer, NM | Cooperative | 1 | 2.3 GWh | Dec 2025 | Sep 2025 | $3.71M | |
| Springdale Energy LLC | Springdale, PA | Independent Power Producer | 2 | 5.0 TWh | Aug 2026 | Sep 2025 | $45.05M | |
| Spring Valley Pub Utils COMM | Spring Valley, MN | Municipally-Owned Utility | 1 | 242.7 MWh | Dec 2025 | - | ||
| Spartanburg Commissioners PW | Spartanburg, SC | Municipally-Owned Utility | 1 | 533.0 MWh | Aug 2026 | - | ||
| Southbridge Recycling And Disposal Park | Southbridge, MA | Independent Power Producer | 1 | 10.7 GWh | Dec 2025 | - | ||
| State Correctnl Inst Laurel Highlands | Somerset, PA | State-Owned Utility | 1 | 9.1 GWh | Dec 2025 | - | ||
| Snowbird Corporation | Snowbird, UT | Independent Power Producer | 1 | 15.9 GWh | Dec 2025 | - | ||
| Signal Hill Petroleum, Inc | Signal Hill, CA | Industrial | 1 | 42.9 GWh | Aug 2026 | - | ||
| Short Hills Mall | Short Hills, NJ | Commercial | 1 | 3.8 GWh | Dec 2025 | - | ||
| Samchully Power & Utilities 1 LLC | Shorewood, MN | - | - | - | Sep 2025 | $2.83M | ||
| Shoreham Solar Commons | Shoreham, NY | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $2.51M | |
| Sterling Power Partners LP | Sherrill, NY | Independent Power Producer | 1 | 22.7 GWh | Dec 2025 | Sep 2025 | $855.42k | |
| Sunbury Generation LP | Shamokin Dam, PA | Independent Power Producer | 1 | 1.4 GWh | Dec 2025 | Oct 2025 | $536.49k | |
| Shady Hills Power Co LLC | Shady Hills, FL | Independent Power Producer | 1 | 437.0 GWh | Aug 2026 | Oct 2025 | $5.79M | |
| Solar Star Prime 3, LLC | Seattle, WA | Independent Power Producer | 1 | 8.7 GWh | Dec 2025 | - | ||
| Seattle City Light | Seattle, WA | - | - | - | Oct 2025 | $19.08M | $6.77M | |
| Sunrise Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 7.8 GWh | Dec 2025 | - | ||
| Spica Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| Solar Star California Xxxii, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 12.1 GWh | Dec 2025 | - | ||
| Solar Star California XIii, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $11.99M | ||
| Svihel Community Solar LLC | Schenectady, NY | Independent Power Producer | 1 | 1.8 GWh | Dec 2025 | - | ||
| Studenski Community Solar LLC | Schenectady, NY | Independent Power Producer | 1 | 1.6 GWh | Dec 2025 | - | ||
| Shapham Place Solar Project 2020 LLC | Schenectady, NY | Independent Power Producer | 1 | 1.2 GWh | Dec 2025 | - | ||
| Shoreham Energy LLC | Schaumburg, IL | Independent Power Producer | - | - | Dec 2023 | Sep 2025 | $2.33M | |
| Sayreville Power Generation LP | Sayreville, NJ | Independent Power Producer | 2 | 888.8 GWh | Dec 2025 | Oct 2025 | $13.05M | |
| Sabert Corporation | Sayreville, NJ | Commercial | 1 | 1.3 GWh | Dec 2025 | - | ||
| Sutter Santa Rosa Solar LLC | Santa Rosa, CA | Independent Power Producer | 1 | 2.2 GWh | Dec 2025 | - | ||
| Sonoma County Junior College District | Santa Rosa, CA | State-Owned Utility | 1 | 1.7 GWh | Dec 2025 | - | ||
| St. Matthews Solar, LLC | Santa Monica, CA | Independent Power Producer | - | 19.6 GWh | Dec 2024 | - | ||
| Shoe Creek Solar, LLC | Santa Monica, CA | Independent Power Producer | - | - | - | Sep 2025 | $2.27M | |
| Shadow Wolf Energy | Santa Clarita, CA | Independent Power Producer | 1 | 5.0 GWh | Aug 2026 | - | ||
| Stenner Creek Solar LLC | San LUIS Obispo, CA | Independent Power Producer | 1 | 10.1 GWh | Dec 2025 | - | ||
| Skyhigh 2 Solar | San LUIS Obispo, CA | Independent Power Producer | 16 | 89.7 GWh | Dec 2025 | - | ||
| Solar Star Prime 6, LLC | San Jose, CA | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| Solar Star Prime 2, LLC | San Jose, CA | Independent Power Producer | 1 | 7.4 GWh | Dec 2025 | - | ||
| Solar Star Prime 1 LLC | San Jose, CA | Independent Power Producer | 2 | 4.0 GWh | Dec 2025 | - | ||
| San Jose State University FCLTS Dev &Ops | San Jose, CA | State-Owned Utility | 1 | 38.3 GWh | Aug 2026 | - | ||
| San Jose/Santa Clara Water P C | San Jose, CA | Municipally-Owned Utility | 1 | 81.8 GWh | Aug 2026 | - |
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% |