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.J. Energy Partners, Inc. | Tampa, FL | - | - | - | Oct 2025 | $7.45k | $222.98k | |
| Sagebrush Ess II, LLC | New York, NY | - | - | - | Oct 2025 | $5.24M | ||
| Sagebrush Ess, LLC | Mojave, CA | Independent Power Producer | - | - | - | Oct 2025 | $2.66M | |
| Saguaro Power Co | Henderson, NV | Independent Power Producer | 1 | 322.8 GWh | Sep 2025 | Oct 2025 | $1.63M | |
| 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 Gorgonio Farms Inc | Redondo Beach, CA | Independent Power Producer | 2 | 87.0 GWh | Dec 2024 | Oct 2025 | $839.90k | |
| San Gorgonio Westwinds II, LLC | New York, NY | - | - | - | Oct 2025 | $2.50M | ||
| San Gorgonio Westwinds II - Windustries, LLC | New York, NY | - | - | - | Oct 2025 | $590.04k | ||
| Sandy Ridge Wind 2, LLC | Oakville, ON | - | - | - | Oct 2025 | $2.14M | ||
| Sandy Ridge Wind, LLC | Oakville, ON | - | - | - | Oct 2025 | $1.07M | ||
| Sapphire Sky Wind Energy LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $6.11M | ||
| Sayreville Power Generation LP | Sayreville, NJ | Independent Power Producer | 2 | 546.7 GWh | Dec 2024 | Oct 2025 | $13.05M | |
| Schuylkill Energy Resource Inc | Pottsville, PA | Independent Power Producer | 1 | 729.4 GWh | Sep 2025 | Oct 2025 | $6.04M | |
| Scott-Ii Solar LLC | Richmond, VA | - | - | - | Oct 2025 | $616.15k | ||
| Scrubgrass Reclamation Co. LP. | Kennerdell, PA | Independent Power Producer | 1 | 105.5 GWh | Dec 2024 | Oct 2025 | $2.71M | |
| Seattle City Light | Seattle, WA | - | - | - | Oct 2025 | $19.08M | $6.77M | |
| Selkirk Cogen Partners LP | Selkirk, NY | Independent Power Producer | 1 | 3.3 GWh | Sep 2024 | Oct 2025 | $7.24M | |
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.8 TWh | Sep 2025 | Oct 2025 | $3.95M | $60.58M |
| Sempra Gas & Power Marketing, LLC | San Diego, CA | - | - | - | Oct 2025 | $43.05M | $28.40M | |
| 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 | |
| SEPV Cuyama, LLC | LOS Angeles, CA | Independent Power Producer | 1 | 3.2 GWh | Dec 2024 | Oct 2025 | $3.32k | $2.01M |
| SEPV Sierra, LLC | Losangeles, CA | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | Oct 2025 | $63.30k | $4.56M |
| Settlers Trail Wind Farm, LLC | Chicago, IL | - | - | - | Oct 2025 | $2.00M | ||
| Seven Cowboy Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 1.2 TWh | Sep 2025 | Oct 2025 | $1.72M | |
| Seward Generation, LLC | Latrobe, PA | - | - | - | Oct 2025 | $38.85M | ||
| SFE Energy, Inc. | Mississauga, ON | - | - | - | Oct 2025 | $19.83M | $22.64M | |
| 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 | |
| Shawnee Power, LLC | Chicago, IL | Independent Power Producer | 1 | -212.4 MWh | Dec 2024 | Oct 2025 | $275.39k | |
| Shawville Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.2 TWh | Sep 2025 | Oct 2025 | $21.86M | |
| Sheldon Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $2.94M | ||
| Shell Chemical Appalachia LLC | Houston, TX | Industrial | 1 | 1.7 TWh | Sep 2025 | Oct 2025 | $9.18M | $134.98k |
| Shell Energy North America (US), L.P. | Houston, TX | - | - | - | Oct 2025 | $2.25B | $298.44M | |
| Shiloh III Lessee, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $11.65M | ||
| Shiloh IV Lessee, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $9.73M | ||
| Shiloh Wind Project 2, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $10.41M | ||
| Shipley Choice, LLC | York, PA | - | - | - | Oct 2025 | $1.88M | $2.12M | |
| Sidney, LLC | Washington, DC | - | - | - | Oct 2025 | $190.51k | ||
| 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 |
| Sithe/Independence LLC | Irving, TX | Independent Power Producer | 1 | 6.6 TWh | Sep 2025 | Oct 2025 | $38.34M | |
| Skipjack Solar Center, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Oct 2025 | $5.48M | |
| Slate Creek Wind Project, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $2.71M | ||
| Smartenergy Holdings, LLC | New York, NY | - | - | - | Oct 2025 | $2.34M | $14.41M | |
| Smoky Hills Wind Farm, LLC | Andover, MA | - | - | - | Oct 2025 | $1.91M | ||
| Smoky Hills Wind Project II LLC | Andover, MA | Independent Power Producer | 1 | 455.6 GWh | Dec 2024 | Oct 2025 | $2.85M | |
| Socivolta Inc. | Montreal, QC | - | - | - | Oct 2025 | $19.12M | ||
| Sol Madison Solar, LLC | Louisville, CO | - | - | - | Oct 2025 | $2.09M | ||
| Somerset Windpower LLC | Juno Beach, FL | Independent Power Producer | - | - | Dec 2017 | Oct 2025 | $44.77k | |
| Sonoran West Solar Holdings 2, LLC | Houston, TX | - | - | - | Oct 2025 | $5.40M | ||
| Sonoran West Solar Holdings LLC | Oakland, CA | Independent Power Producer | 1 | - | - | Oct 2025 | $7.36M | $85.24k |
| Sooner Wind, LLC | Juno Beach, FL | - | - | - | Oct 2025 | $49.87k | ||
| South Bay Energy Corp. | Brooklyn, NY | - | - | - | Oct 2025 | $339.35k | $285.26k | |
| South Carolina Generating Company, Inc. | Richmond, VA | - | - | - | Oct 2025 | $59.52M | ||
| 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 Point Energy Center LLC | Houston, TX | Independent Power Producer | 1 | 2.2 TWh | Sep 2025 | Oct 2025 | $11.22M | $0 |
| Southampton Solar, LLC | Richmond, VA | - | - | - | Oct 2025 | $2.34M | ||
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 6.6 TWh | Sep 2025 | Oct 2025 | $370.58M | $970.69M |
| Southern Company Services, Inc. (As Agent) | Birmingham, AL | - | - | - | Oct 2025 | $146.97M | $6.27M | |
| Southern Illinois Power Coop | Marion, IL | Cooperative | 1 | 835.2 GWh | Sep 2025 | Oct 2025 | $3.69M | |
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.2 TWh | Sep 2025 | Oct 2025 | $33.22M | $8.35M |
| Southwestern Power Administration | Tulsa, OK | - | - | - | Oct 2025 | $1.59M | $4.24M | |
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 16 | 17.1 TWh | Sep 2025 | Oct 2025 | $231.47M | $98.95M |
| Spark Energy, LLC | Houston, TX | - | - | - | Oct 2025 | $70.59k | ||
| Spartacus Energy Services, LLC | Birmingham, AL | - | - | - | Oct 2025 | $165.02k | $166.38k | |
| Spearville 3, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $1.41M | ||
| Spinning Spur Wind LLC | Phoenix, AZ | - | - | - | Oct 2025 | $3.89M | ||
| Spotlight Power LLC | Houston, TX | - | - | - | Oct 2025 | $10.00M | $8.91M | |
| Spring Energy RRH, LLC | Brooklyn, NY | - | - | - | Oct 2025 | $241.97k | $189.89k | |
| Spruance Operating Services, LLC | Richmond, VA | - | - | - | Oct 2025 | $995.59k | ||
| St Joseph Energy Center LLC | Needham, MA | Independent Power Producer | 1 | 5.9 TWh | Sep 2025 | Oct 2025 | $42.63M | |
| Stanford University Power LLC | Stanford, CA | - | - | - | Oct 2025 | $1.27M | $1.99M | |
| Stephentown Spindle, LLC | Tyngsboro, MA | - | - | - | Oct 2025 | $264.26k | ||
| Stoneray Power Partners, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $2.04M | ||
| Stony Creek Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $3.50M | ||
| Stony Creek Wind Farm Ny | Chicago, IL | Independent Power Producer | - | - | Dec 2016 | Oct 2025 | $3.95M | |
| Storm Lake Power Partners II, LLC | Duluth, MN | - | - | - | Oct 2025 | $182.63k | ||
| Strauss Wind LLC | Carlsbad, CA | Independent Power Producer | 1 | 245.5 GWh | Sep 2025 | Oct 2025 | $1.92M | |
| Stream Energy Pennsylvania, LLC | Princeton, NJ | - | - | - | Oct 2025 | $2.47M | ||
| Stryker 22, L.L.C. | Reno, NV | Independent Power Producer | 1 | -5.8 GWh | Sep 2025 | Oct 2025 | $1.78M | |
| Sugar Creek Wind One LLC | Charlottesville, VA | Independent Power Producer | 1 | 671.1 GWh | Sep 2025 | Oct 2025 | $3.88M | |
| Summer Energy Midwest, LLC | Houston, TX | - | - | - | Oct 2025 | $4.70M | ||
| Summit Farms Solar, LLC | Richmond, VA | - | - | - | Oct 2025 | $1.56M | ||
| Sun Mountain Solar 1, LLC | San Francisco, CA | - | - | - | Oct 2025 | $3.11M | ||
| Sunbury Generation LP | Shamokin Dam, PA | Independent Power Producer | 1 | 70.0 MWh | Dec 2024 | Oct 2025 | $536.49k | |
| Sunflower Electric Power Corp | Hays, KS | Cooperative | 8 | 1.6 TWh | Sep 2025 | Oct 2025 | $15.65M | $1.48M |
| Sunflower Energy Center, LLC | Chicago, IL | Independent Power Producer | 1 | 826.7 GWh | Sep 2025 | Oct 2025 | $781.76k | |
| Sunrise Power Co LLC | Fellows, CA | Independent Power Producer | 1 | 2.1 TWh | Sep 2025 | Oct 2025 | $18.85M | $1.28M |
| Sunsea Energy, LLC | Birmingham, AL | - | - | - | Oct 2025 | $39.36k | ||
| Superstition Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -16.6 GWh | Sep 2025 | Oct 2025 | $4.24M | |
| Susquehanna Nuclear, LLC | Houston, TX | - | - | - | Oct 2025 | $119.45M | ||
| Sustaining Power Solutions LLC | Houston, TX | - | - | - | Oct 2025 | $21.86M | ||
| Sweetland Wind Farm, LLC | Boulder, CO | Independent Power Producer | 1 | 816.6 GWh | Sep 2025 | Oct 2025 | $887.22k | |
| Syracuse, L.L.C. | Warner Robins, GA | - | - | - | Oct 2025 | $1.66M | $53.30k | |
| Saavi Energy Solutions, LLC | MX, DF | - | - | - | Sep 2025 | $20.16M | ||
| Sac County Wind | Juno Beach, FL | Independent Power Producer | 1 | 338.4 GWh | Sep 2025 | Sep 2025 | $1.91M | |
| Safe Harbor Water Power Corp | Conestoga, PA | Investor-Owned Utility | - | - | Dec 2011 | Sep 2025 | $5.89M |
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% |