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 |
|---|---|---|---|---|---|---|---|---|
| Shell Energy North America (US), L.P. | Houston, TX | - | - | - | Oct 2025 | $2.25B | $298.44M | |
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 4.9 TWh | May 2026 | Oct 2025 | $370.58M | $970.69M |
| South Carolina Public Service Authority | Moncks Corner, SC | State-Owned Utility | 16 | 19.7 TWh | May 2026 | Oct 2025 | $332.56M | $45.75M |
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 18 | 17.1 TWh | May 2026 | Oct 2025 | $231.47M | $98.95M |
| Southern Power Co | Atlanta, GA | Investor-Owned Utility | 53 | 48.1 TWh | May 2026 | Sep 2025 | $195.58M | $6.65M |
| Southern Company Services, Inc. (As Agent) | Birmingham, AL | - | - | - | Oct 2025 | $146.97M | $6.27M | |
| System Energy Resources, Inc | Jackson, MS | Investor-Owned Utility | 1 | 11.4 TWh | May 2026 | Sep 2025 | $144.80M | |
| San Diego Gas & Electric Co | San Diego, CA | Investor-Owned Utility | 19 | 1.5 TWh | May 2026 | Oct 2025 | $142.85M | $219.97M |
| Susquehanna Nuclear, LLC | Houston, TX | - | - | - | Oct 2025 | $119.45M | ||
| South Field Energy, LLC | Boston, MA | Independent Power Producer | 1 | 8.7 TWh | May 2026 | Oct 2025 | $73.20M | |
| Southern Electric Generating Company | Birmingham, AL | - | - | - | Sep 2025 | $70.70M | ||
| South Carolina Generating Company, Inc. | Richmond, VA | - | - | - | Oct 2025 | $59.52M | ||
| Salt River Project | Phoenix, AZ | Political Subdivision | 22 | 27.5 TWh | May 2026 | Oct 2025 | $51.30M | $124.41M |
| Springdale Energy LLC | Springdale, PA | Independent Power Producer | 2 | 5.0 TWh | May 2026 | Sep 2025 | $45.05M | |
| Sempra Gas & Power Marketing, LLC | San Diego, CA | - | - | - | Oct 2025 | $43.05M | $28.40M | |
| St Joseph Energy Center LLC | New Carlisle, IN | Cooperative | 1 | 6.1 TWh | May 2026 | Oct 2025 | $42.63M | |
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 16 | 19.4 TWh | May 2026 | Sep 2025 | $40.06M | $10.95M |
| Seward Generation, LLC | Latrobe, PA | - | - | - | Oct 2025 | $38.85M | ||
| Sithe/Independence LLC | Irving, TX | Independent Power Producer | 1 | 7.0 TWh | May 2026 | Oct 2025 | $38.34M | |
| Solar Star California XIX, LLC | Rosamond, CA | Independent Power Producer | 1 | 985.6 GWh | May 2026 | Sep 2025 | $36.35M | |
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.0 TWh | May 2026 | Oct 2025 | $33.22M | $8.35M |
| Salem Harbor Power Development LP | Salem, MA | Independent Power Producer | 2 | 1.7 TWh | May 2026 | Sep 2025 | $31.83M | |
| Silver State Solar Power South, LLC | Juno Beach, FL | Independent Power Producer | 1 | 707.2 GWh | May 2026 | Sep 2025 | $27.93M | |
| Solar Star California XX, LLC | Rosamond, CA | Independent Power Producer | 1 | 818.4 GWh | May 2026 | Sep 2025 | $27.41M | |
| Solar Partners XI, LLC | Birmingham, AL | - | - | - | Sep 2025 | $26.21M | ||
| Sentinel Energy Center LLC | Desert Hot Springs, CA | Independent Power Producer | 1 | 132.3 GWh | May 2026 | Oct 2025 | $22.72M | |
| South Fork Wind, LLC | Minneapolis, MN | Independent Power Producer | 1 | 58.6 GWh | Dec 2025 | Sep 2025 | $22.46M | |
| Shawville Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Oct 2025 | $21.86M | |
| Sustaining Power Solutions LLC | Houston, TX | - | - | - | Oct 2025 | $21.86M | ||
| Seneca Generation LLC | Warren, PA | Independent Power Producer | 1 | -366.7 GWh | May 2026 | Oct 2025 | $20.14M | |
| Seattle City Light | Seattle, WA | - | - | - | Oct 2025 | $19.08M | $6.77M | |
| Sunrise Power Co LLC | Fellows, CA | Independent Power Producer | 1 | 2.3 TWh | May 2026 | Oct 2025 | $18.85M | $1.28M |
| Sun Streams Expansion, LLC | Boston, MA | Independent Power Producer | 1 | 814.4 GWh | May 2026 | Sep 2025 | $18.72M | |
| Sunflower Electric Power Corp | Hays, KS | Cooperative | 8 | 2.2 TWh | May 2026 | Oct 2025 | $15.65M | $1.48M |
| Solar Partners VIII, LLC | Princeton, NJ | - | - | - | Sep 2025 | $13.84M | ||
| Solar Partners I, LLC | Princeton, NJ | - | - | - | Sep 2025 | $13.78M | ||
| Sayreville Power Generation LP | Sayreville, NJ | Independent Power Producer | 2 | 888.8 GWh | Dec 2025 | Oct 2025 | $13.05M | |
| Sonoran Solar Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.2 TWh | May 2026 | Sep 2025 | $13.02M | |
| SG2 Imperial Valley LLC | Birmingham, AL | - | - | - | Sep 2025 | $12.71M | ||
| Scatter Wash Energy Storage, LLC | Phoenix, AZ | Independent Power Producer | 2 | -48.9 GWh | May 2026 | Sep 2025 | $12.37M | |
| Solar Star California XIii, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $11.99M | ||
| Shiloh III Lessee, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $11.65M | ||
| Solar Partners II, LLC | Princeton, NJ | - | - | - | Sep 2025 | $11.32M | ||
| South Point Energy Center LLC | Houston, TX | Independent Power Producer | 1 | 2.6 TWh | May 2026 | Oct 2025 | $11.22M | $0 |
| Sierra Estrella Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -43.5 GWh | May 2026 | Oct 2025 | $10.97M | |
| Serrano Solar, LLC | Boston, MA | Independent Power Producer | 1 | 470.8 GWh | May 2026 | Sep 2025 | $10.95M | |
| Sun Streams PVS, LLC | Boston, MA | Independent Power Producer | 1 | 476.0 GWh | May 2026 | Sep 2025 | $10.77M | |
| Shiloh Wind Project 2, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $10.41M | ||
| Sunlight Storage, LLC | Juno Beach, FL | Independent Power Producer | 2 | -102.1 GWh | May 2026 | Sep 2025 | $10.35M | |
| Spotlight Power LLC | Houston, TX | - | - | - | Oct 2025 | $10.00M | $8.91M | |
| Shiloh IV Lessee, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $9.73M | ||
| Shell Chemical Appalachia LLC | Monaca, PA | Industrial | 1 | 1.8 TWh | May 2026 | Oct 2025 | $9.18M | $134.98k |
| Spring Valley Wind LLC | Houston, TX | - | - | - | Sep 2025 | $8.89M | ||
| Shasta Sustainable Resource Management, Inc. | Anderson, CA | Independent Power Producer | 1 | 314.7 GWh | May 2026 | Sep 2025 | $8.31M | |
| Stanton Clean Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 3.8 TWh | May 2026 | Sep 2025 | $7.76M | |
| Sonoran West Solar Holdings LLC | Oakland, CA | Independent Power Producer | 1 | - | - | Oct 2025 | $7.36M | $85.24k |
| Selkirk Cogen Partners LP | Darien, CT | Independent Power Producer | 1 | 342.9 GWh | Oct 2025 | Oct 2025 | $7.24M | |
| Sagebrush Power Partners, LLC | Houston, TX | Independent Power Producer | 1 | 283.3 GWh | Dec 2025 | Sep 2025 | $7.06M | |
| Star Point Wind Project LLC | Portland, OR | - | - | - | Sep 2025 | $6.75M | $362.75k | |
| Shiloh I Wind Project, LLC | Portland, OR | - | - | - | Sep 2025 | $6.68M | ||
| Sun Streams, LLC | Houston, TX | - | - | - | Sep 2025 | $6.23M | ||
| SR Toombs, LLC | Nashville, TN | - | - | - | Sep 2025 | $6.22M | ||
| Sapphire Sky Wind Energy LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $6.11M | ||
| Schuylkill Energy Resource Inc | Pottsville, PA | Independent Power Producer | 1 | 726.3 GWh | May 2026 | Oct 2025 | $6.04M | |
| Sierra Pacific Power Co | Reno, NV | Investor-Owned Utility | 14 | 6.3 TWh | May 2026 | Oct 2025 | $5.93M | $30.30M |
| Safe Harbor Water Power Corp | Conestoga, PA | Investor-Owned Utility | - | - | Dec 2011 | Sep 2025 | $5.89M | |
| Shady Hills Power Co LLC | Shady Hills, FL | Independent Power Producer | 1 | 446.7 GWh | May 2026 | Oct 2025 | $5.79M | |
| Skipjack Solar Center, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Oct 2025 | $5.48M | |
| Sonoran West Solar Holdings 2, LLC | Houston, TX | - | - | - | Oct 2025 | $5.40M | ||
| SP Sandhills Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $5.32M | ||
| Sagebrush Ess II, LLC | New York, NY | - | - | - | Oct 2025 | $5.24M | ||
| San Juan Solar 1, LLC | New York, NY | - | - | - | Sep 2025 | $5.24M | ||
| Stanton Energy Reliability Center, LLC | Sacramento, CA | - | - | - | Sep 2025 | $5.15M | ||
| Silver State South Storage, LLC | Primm, NV | Independent Power Producer | 1 | -47.0 GWh | May 2026 | Sep 2025 | $5.14M | |
| Silver State Solar Power North, LLC | Primm, NV | Independent Power Producer | 1 | 125.0 GWh | May 2026 | Sep 2025 | $4.90M | |
| Se Athos I, LLC | San Carlos, CA | Independent Power Producer | 1 | 775.8 GWh | May 2026 | Sep 2025 | $4.73M | |
| Summer Energy Midwest, LLC | Houston, TX | - | - | - | Oct 2025 | $4.70M | ||
| Streator-Cayuga Ridge Wind Power LLC | Portland, OR | - | - | - | Sep 2025 | $4.53M | ||
| Superstition Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -17.4 GWh | May 2026 | Oct 2025 | $4.24M | |
| Steamboat Hills LLC | Reno, NV | - | - | - | Sep 2025 | $4.16M | ||
| South Cheyenne Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $4.14M | ||
| Solar Alpine LLC | Houston, TX | - | - | - | Sep 2025 | $4.08M | ||
| Storey Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 332.9 GWh | May 2026 | Sep 2025 | $4.06M | |
| Stanton Battery Energy Storage, LLC | Sacramento, CA | - | - | - | Sep 2025 | $3.99M | ||
| Santa Rosa Energy Center LLC | Pace, FL | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Sep 2025 | $3.98M | |
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.6 TWh | May 2026 | Oct 2025 | $3.95M | $60.58M |
| SP Butler Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.95M | ||
| Stony Creek Wind Farm Ny | Chicago, IL | Independent Power Producer | - | - | Dec 2016 | Oct 2025 | $3.95M | |
| Solverde 1, LLC | Louisville, CO | - | - | - | Sep 2025 | $3.92M | ||
| Spinning Spur Wind LLC | Phoenix, AZ | - | - | - | Oct 2025 | $3.89M | ||
| Sugar Creek Wind One LLC | Charlottesville, VA | Independent Power Producer | 1 | 613.2 GWh | May 2026 | Oct 2025 | $3.88M | |
| Shelby County Energy Center, LLC | Neoga, IL | Independent Power Producer | 1 | 204.7 GWh | Dec 2025 | Sep 2025 | $3.88M | |
| SWG Arapahoe, LLC | Denver, CO | Independent Power Producer | 1 | 384.6 GWh | May 2026 | Jun 2025 | $3.88M | |
| Se Athos II, LLC | San Carlos, CA | Independent Power Producer | 1 | 616.5 GWh | May 2026 | Sep 2025 | $3.79M | |
| Seneca Energy, II LLC | Oakfield, NY | - | - | - | Sep 2025 | $3.76M | ||
| Soldier Creek Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | May 2026 | Sep 2025 | $3.65M | |
| Sunshine Valley Solar LLC | San Francisco, CA | Independent Power Producer | - | - | - | Sep 2025 | $3.64M | |
| SP Decatur Parkway Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.54M | ||
| Stony Creek Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $3.50M | ||
| St Paul Cogeneration LLC | Saint Paul, MN | Independent Power Producer | 1 | 88.0 GWh | Dec 2025 | Aug 2025 | $3.30M |
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 |