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 |
|---|---|---|---|---|---|---|---|---|
| Tranquillity Solar 1, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Whiteside Solar 1, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| US Air Force | Sagamore, MA | Federally-Owned Utility | 1 | 6.6 GWh | Dec 2025 | - | ||
| St Paul Cogeneration LLC | Saint Paul, MN | Independent Power Producer | 1 | 162.3 GWh | Dec 2024 | Aug 2025 | $3.30M | |
| Newberry Solar 1 LLC | Saint-Augustine-De-Desmaures, QB | Independent Power Producer | 1 | 1.4 GWh | Dec 2023 | - | ||
| Salem Harbor Power Development LP | Salem, MA | Independent Power Producer | 2 | 1.9 TWh | Dec 2025 | Sep 2025 | $31.83M | |
| City Of Salem Public Works | Salem, OR | Municipally-Owned Utility | 1 | 7.2 GWh | Dec 2024 | - | ||
| City Of Salem - (Va) | Salem, VA | Municipally-Owned Utility | 3 | 268.1 MWh | Dec 2025 | - | ||
| Monterey CNTY Water Res Agency | Salinas, CA | Municipally-Owned Utility | 1 | 18.2 GWh | Dec 2024 | - | ||
| Antelope DSR 3, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $922.25k | |
| Antelope Expansion 1B, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $599.15k | |
| Antelope Expansion 2, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $3.90M | |
| Antelope Expansion 3a, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $524.14k | |
| Antelope Expansion 3B, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $134.45k | |
| Appaloosa Solar I, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $5.13M | |
| Clover Creek Solar, LLC | Salt Lake City, UT | Independent Power Producer | 1 | - | - | Sep 2025 | $1.95M | |
| East Line Solar, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $1.96M | |
| Lateral 10 Ventures | Salt Lake City, UT | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Lightning Dock Geothermal Hi-01, LLC | Salt Lake City, UT | Independent Power Producer | 1 | 61.9 GWh | Dec 2025 | - | ||
| Patua Acquisition Company, LLC | Salt Lake City, UT | Independent Power Producer | 1 | 145.1 GWh | Dec 2024 | Sep 2025 | $2.02M | |
| Pleinmont Solar 1 LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $1.96M | |
| Pleinmont Solar 2 LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $6.12M | |
| Prevailing Wind Park, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $4.25M | |
| Richmond Spider Solar LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $429.03k | |
| Riverhead Solar Farm LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $1.96M | |
| San Pablo Raceway, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $3.08M | |
| Skipjack Solar Center, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Oct 2025 | $5.48M | |
| Tesoro Refng Marketing Co MNTN Region | Salt Lake City, UT | Industrial | 1 | 216.3 GWh | Dec 2025 | - | ||
| The University Of Utah | Salt Lake City, UT | State-Owned Utility | 1 | 51.5 GWh | Dec 2025 | - | ||
| Utah Associated Mun Power SYS | Salt Lake City, UT | Political Subdivision | 4 | 1.1 TWh | Dec 2025 | - | ||
| West Line Solar, LLC | Salt Lake City, UT | Independent Power Producer | 1 | 286.9 GWh | Dec 2024 | Sep 2025 | $2.03M | |
| Pennsylvania Renewable Resources | Saltsburg, PA | Independent Power Producer | 1 | 49.9 GWh | Dec 2024 | - | ||
| City Of San Antonio - (TX) | San Antonio, TX | Municipally-Owned Utility | 15 | 23.4 TWh | Dec 2025 | - | ||
| OCI Energy LLC | San Antonio, TX | Independent Power Producer | 5 | 101.7 GWh | Dec 2024 | - | ||
| Organic Energy Solutions, Inc. | San Bernardino, CA | Independent Power Producer | 1 | 4.9 GWh | Dec 2024 | - | ||
| Se Aragorn, LLC | San Carlos, CA | Independent Power Producer | 1 | 378.3 GWh | Dec 2025 | - | ||
| Se Athos I, LLC | San Carlos, CA | Independent Power Producer | 1 | 739.8 GWh | Dec 2025 | Sep 2025 | $4.73M | |
| Se Athos II, LLC | San Carlos, CA | Independent Power Producer | 1 | 593.8 GWh | Dec 2025 | Sep 2025 | $3.79M | |
| Se Juno, LLC | San Carlos, CA | Independent Power Producer | 1 | 810.4 GWh | Dec 2025 | - | ||
| Se Titan, LLC | San Carlos, CA | Independent Power Producer | 1 | 613.2 GWh | Dec 2025 | - | ||
| Morris Ridge Solar Energy Center, LLC | San Diego,, CA | Independent Power Producer | 1 | 321.5 GWh | Dec 2025 | Sep 2025 | $3.72M | |
| Arrow Canyon Solar LLC | San Diego, CA | Independent Power Producer | 1 | 625.6 GWh | Dec 2025 | Sep 2025 | $6.90M | |
| Avenal Park LLC | San Diego, CA | - | - | - | Sep 2025 | $754.76k | ||
| Avenal Solar Holdings LLC | San Diego, CA | Independent Power Producer | 3 | 75.9 GWh | Dec 2024 | - | ||
| Big Beau Solar, LLC | San Diego, CA | Independent Power Producer | 1 | 377.3 GWh | Dec 2025 | Oct 2025 | $3.30M | |
| Boswell Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 1.2 TWh | Dec 2025 | Sep 2025 | $7.46M | |
| Bull Creek Wind LLC | San Diego, CA | Independent Power Producer | 1 | 288.5 GWh | Dec 2024 | - | ||
| Calpeak Power - Border LLC | San Diego, CA | Independent Power Producer | - | - | Dec 2013 | Oct 2025 | $1.12M | |
| Calpeak Power - Enterprise LLC | San Diego, CA | Independent Power Producer | - | - | Dec 2013 | Oct 2025 | $1.04M | |
| Calpeak Power, LLC | San Diego, CA | Independent Power Producer | 6 | 67.5 GWh | Dec 2025 | Oct 2025 | $4.32M | $4.32M |
| Calpeak Power - Panoche LLC | San Diego, CA | Independent Power Producer | - | - | Dec 2013 | Oct 2025 | $1.19M | |
| Calpeak Power - VACA Dixon LLC | San Diego, CA | Independent Power Producer | - | - | Dec 2013 | Oct 2025 | $970.94k | |
| Calpine Community Energy, LLC | San Diego, CA | - | - | - | Oct 2025 | $11.85M | $23.49M | |
| Calpine Energy Solutions, LLC | San Diego, CA | - | - | - | Oct 2025 | $109.93M | $233.66M | |
| City Of San Diego | San Diego, CA | Municipally-Owned Utility | 3 | 33.3 GWh | Dec 2025 | - | ||
| Coachella Wind Holdings, LLC | San Diego, CA | Independent Power Producer | - | - | Dec 2021 | Oct 2025 | $714.89k | |
| Colton Solar One, LLC | San Diego, CA | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Colton Solar Two, LLC | San Diego, CA | Independent Power Producer | 1 | 1.1 GWh | Dec 2024 | - | ||
| Department Of The Navy | San Diego, CA | Federally-Owned Utility | 1 | 22.9 GWh | Dec 2025 | - | ||
| Desert Harvest II LLC | San Diego, CA | Independent Power Producer | 1 | 190.9 GWh | Dec 2025 | Oct 2025 | $2.23M | |
| Desert Harvest, LLC | San Diego, CA | Independent Power Producer | 1 | 243.4 GWh | Dec 2025 | Oct 2025 | $2.95M | |
| EDF Renewable Asset Holdings, Inc. | San Diego, CA | Independent Power Producer | 37 | 12.5 TWh | Dec 2025 | - | ||
| Ee Waianae Solar Project LLC | San Diego, CA | Independent Power Producer | 1 | 63.6 GWh | Dec 2025 | - | ||
| Eurus Combine Hills I LLC | San Diego, CA | Independent Power Producer | 1 | 76.6 GWh | Dec 2024 | Sep 2025 | $878.77k | |
| Eurus Combine Hills II LLC | San Diego, CA | Independent Power Producer | 1 | 173.8 GWh | Dec 2024 | Sep 2025 | $3.86M | |
| Foard City Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 1.2 TWh | Dec 2025 | - | ||
| Glaciers Edge Wind Project LLC | San Diego, CA | Commercial | - | - | - | Oct 2025 | $1.46M | |
| Griffin Trail Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 753.7 GWh | Dec 2025 | - | ||
| Hale Kuawehi Solar LLC | San Diego, CA | Independent Power Producer | 1 | 65.0 GWh | Dec 2025 | - | ||
| Hillcrest Solar I, LLC | San Diego, CA | Independent Power Producer | 1 | 374.5 GWh | Dec 2025 | Sep 2025 | $3.76M | |
| Horseshoe Bend Hydroelectric Co | San Diego, CA | Independent Power Producer | 1 | 43.1 GWh | Dec 2024 | - | ||
| King Creek Wind Farm 1, LLC | San Diego, CA | Independent Power Producer | 1 | 603.5 GWh | Dec 2025 | - | ||
| King Creek Wind Farm 2, LLC | San Diego, CA | Independent Power Producer | 1 | 694.2 GWh | Dec 2025 | - | ||
| Kyocera International, Inc | San Diego, CA | Industrial | 1 | 10.0 GWh | Dec 2024 | - | ||
| Las Majadas Wind Farm, LLC | San Diego, CA | Independent Power Producer | 1 | 913.7 GWh | Dec 2025 | - | ||
| Malaga Power, LLC | San Diego, CA | - | - | - | Oct 2025 | $4.25M | ||
| Maverick Solar 4, LLC | San Diego, CA | Independent Power Producer | 1 | 280.8 GWh | Dec 2025 | Oct 2025 | $3.96M | |
| Maverick Solar 6, LLC | San Diego, CA | Independent Power Producer | 1 | 271.1 GWh | Dec 2025 | Oct 2025 | $3.61M | |
| Maverick Solar 7, LLC | San Diego, CA | Independent Power Producer | 1 | 369.7 GWh | Dec 2025 | Oct 2025 | $3.10M | |
| Maverick Solar LLC | San Diego, CA | Independent Power Producer | 2 | 388.8 GWh | Dec 2025 | Oct 2025 | $3.87M | |
| Midway Peaking LLC | San Diego, CA | Independent Power Producer | - | - | Dec 2013 | Oct 2025 | $3.24M | |
| Milligan 1 Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 1.1 TWh | Dec 2025 | Oct 2025 | $6.42M | |
| Mountain Air Projects, LLC | San Diego, CA | Independent Power Producer | 6 | 388.6 GWh | Dec 2024 | - | ||
| MRP Pacifica Marketing LLC | San Diego, CA | - | - | - | Sep 2025 | $884.96k | $3.03M | |
| Oasis ALTA, LLC | San Diego, CA | Independent Power Producer | - | - | - | Oct 2025 | $818.48k | |
| Painted Hills Wind Holdings, LLC | San Diego, CA | Independent Power Producer | - | - | Dec 2021 | Oct 2025 | $2.53M | |
| Peregrine Energy Storage, LLC | San Diego, CA | Independent Power Producer | 1 | -10.8 GWh | Dec 2025 | Oct 2025 | $542.58k | |
| Phoebe Energy Project, LLC | San Diego, CA | Independent Power Producer | 1 | 588.6 GWh | Dec 2025 | - | ||
| PIO PICO Energy Center LLC | San Diego, CA | Independent Power Producer | 1 | 69.6 GWh | Dec 2024 | Sep 2025 | $14.35M | |
| Powerflex | San Diego, CA | Commercial | 15 | 44.1 GWh | Dec 2024 | - | ||
| Qualcomm Incorporated | San Diego, CA | Commercial | 3 | 27.9 GWh | Nov 2025 | - | ||
| Salka Cabazon Wind LLC | San Diego, CA | Independent Power Producer | 1 | 8.2 GWh | Dec 2024 | Sep 2025 | $277.55k | |
| San Diego Gas & Electric Co | San Diego, CA | Investor-Owned Utility | 19 | 1.2 TWh | Dec 2025 | Oct 2025 | $142.85M | $219.97M |
| San Diego State University | San Diego, CA | State-Owned Utility | 1 | 56.9 GWh | Dec 2025 | - | ||
| Sand Drag LLC | San Diego, CA | - | - | - | Sep 2025 | $2.36M | ||
| Sempra Gas & Power Marketing, LLC | San Diego, CA | - | - | - | Oct 2025 | $43.05M | $28.40M | |
| SOLV Energy, LLC | San Diego, CA | Independent Power Producer | 1 | 23.3 GWh | Dec 2024 | - | ||
| Summit Water Nexus, Mount Holly, LLC | San Diego, CA | Independent Power Producer | 1 | 1.3 GWh | Dec 2024 | - | ||
| Sun City Project LLC | San Diego, CA | - | - | - | Sep 2025 | $2.55M | ||
| 0HAM Wham8 Solar, LLC | San Francisco, CA | Independent Power Producer | 1 | 14.9 GWh | Dec 2024 | - |
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 | Dec 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Dec 2025 | Natural Gas : 94.9% Bituminous Coal : 5.1% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Dec 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Dec 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Dec 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Dec 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Dec 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Dec 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Dec 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Dec 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Dec 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Dec 2025 | Natural Gas : 74.9% Bituminous Coal : 24.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Dec 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Dec 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Dec 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Dec 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Dec 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Dec 2025 | Nuclear |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Dec 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Dec 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Dec 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Dec 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Dec 2025 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Dec 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Dec 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Dec 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Dec 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Dec 2025 | Subbituminous Coal : 74.7% Bituminous Coal : 16.0% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Dec 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Dec 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Dec 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Dec 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Dec 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Dec 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Dec 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Dec 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Dec 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Dec 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Dec 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Dec 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Dec 2025 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Dec 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Dec 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 21 TWh | Mar 1967 | Dec 2025 | Nuclear : 68.7% Natural Gas : 31.3% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Dec 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 16 TWh | May 1958 | Dec 2025 | Subbituminous Coal : 83.3% Natural Gas : 16.7% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 16 TWh | Apr 1996 | Dec 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Dec 2025 | Natural Gas : 99.9% |