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 |
|---|---|---|---|---|---|---|---|---|
| Westlands Solar Farms, LLC | Tempe, AZ | Independent Power Producer | - | 39.5 GWh | Dec 2023 | - | ||
| Blue Renewable Energy IMS, LLC | Tempe, AZ | Independent Power Producer | - | 12.6 GWh | Dec 2023 | - | ||
| Arizona State University FDM | Tempe, AZ | Commercial | 1 | 1.2 GWh | Dec 2024 | - | ||
| Windstar Energy LLC | Tehachapi, CA | Independent Power Producer | - | - | Dec 2013 | Sep 2025 | $10.19M | |
| Kingman Energy Corp | Tehachapi, CA | Independent Power Producer | - | 4.1 GWh | Feb 2026 | - | ||
| Wind Stream Operations LLC | Techachapi, CA | Independent Power Producer | 4 | 39.6 GWh | Dec 2024 | - | ||
| Energia Sierra Juarez U.S., LLC | Tecate, BC | - | - | - | Oct 2025 | $13.37M | ||
| Georgia-Pacific Wood Products LLC | Taylorsville, MS | Industrial | 1 | 59.1 GWh | Dec 2024 | - | ||
| City Of Taunton | Taunton, MA | Municipally-Owned Utility | 2 | 134.8 GWh | Dec 2024 | - | ||
| A & N Electric Coop | Tasley, VA | Cooperative | 2 | 316.5 MWh | Dec 2024 | - | ||
| Regeneron Pharmaceuticals Inc. | Tarrytown, NY | Commercial | 1 | 2.1 GWh | Dec 2024 | - | ||
| Taos Mesa Energy Facility, LLC | Taos, NM | Cooperative | 1 | 40.8 GWh | Feb 2026 | - | ||
| Angel Fire Energy Facility, LLC | Taos, NM | Cooperative | 1 | 14.9 GWh | Dec 2024 | - | ||
| Tampa Electric Co | Tampa, FL | Investor-Owned Utility | 46 | 21.7 TWh | Feb 2026 | Oct 2025 | $3.56M | $37.45M |
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.7 TWh | Feb 2026 | Oct 2025 | $3.95M | $60.58M |
| S.J. Energy Partners, Inc. | Tampa, FL | - | - | - | Oct 2025 | $7.45k | $222.98k | |
| Ntherm,LLC | Tampa, FL | - | - | - | Oct 2025 | $324.37k | ||
| Nordic Energy Services, LLC | Tampa, FL | - | - | - | Oct 2025 | $3.08M | $2.13M | |
| MSS Energy Holdings, LLC (D.B.A. Calibrant Energy) | Tampa, FL | Commercial | 2 | 969.0 MWh | Dec 2024 | - | ||
| Hillsborough County | Tampa, FL | Municipally-Owned Utility | 1 | 225.1 GWh | Feb 2026 | - | ||
| City Of Tampa | Tampa, FL | Municipally-Owned Utility | 1 | 96.4 GWh | Feb 2026 | - | ||
| City Of Tallahassee - (FL) | Tallahassee, FL | Municipally-Owned Utility | 4 | 3.2 TWh | Feb 2026 | Sep 2025 | $1.33M | |
| Luning Energy LLC | Tahoe VIsta, CA | - | - | - | Sep 2025 | $1.49M | ||
| Frederickson Power LP | Tacoma, WA | Independent Power Producer | 1 | 1.9 TWh | Dec 2024 | Oct 2025 | $4.23M | $69.27k |
| City Of Tacoma - (Wa) | Tacoma, WA | Municipally-Owned Utility | 8 | 2.5 TWh | Feb 2026 | Jul 2024 | ||
| Crane Solar Project, LLC | Syracuse, NY | Independent Power Producer | 1 | 430.3 GWh | Feb 2026 | - | ||
| NRG Energy Inc | Sweetwater, TX | Independent Power Producer | 1 | 279.8 GWh | Dec 2024 | Sep 2025 | $137.08k | |
| Village Of Swanton - (VT) | Swanton, VT | Municipally-Owned Utility | 1 | 51.4 GWh | Dec 2024 | - | ||
| Diamond Shamrock Refining Company LP | Sunray, TX | Industrial | 1 | 129.7 GWh | Dec 2024 | - | ||
| Sunnyvale City Of WPCP | Sunnyvale, CA | Municipally-Owned Utility | 1 | 10.4 GWh | Dec 2024 | - | ||
| Clean Focus Yield, LLC | Sunnyvale, CA | Independent Power Producer | 13 | 52.1 GWh | Dec 2024 | - | ||
| CF Jersey Gardens Owner Two LLC | Sunnyvale, CA | Commercial | 1 | 3.0 GWh | Dec 2024 | - | ||
| Bloom Energy | Sunnyvale, CA | Commercial | 77 | 907.7 GWh | Dec 2024 | - | ||
| Sunnyside Cogeneration Assoc | Sunnyside, UT | Independent Power Producer | 1 | 191.8 GWh | Jan 2026 | Aug 2025 | $1.12M | |
| Elektron Power LLC | Sunderland, MD | - | - | - | Sep 2025 | $6.42k | ||
| WPPI Energy | Sun Prairie, WI | Municipally-Owned Utility | 2 | 11.0 GWh | Dec 2024 | Oct 2025 | $53.67M | $44.97M |
| City Of Sumner - (Ia) | Sumner, IA | Municipally-Owned Utility | 1 | 242.6 MWh | Dec 2024 | - | ||
| Nautilus Solar WPU LLC | Summit, NJ | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Nautilus Solar Solutions | Summit, NJ | Independent Power Producer | 126 | 446.7 GWh | Feb 2026 | - | ||
| Goose Haven Energy Center | Suisun, CA | Independent Power Producer | 1 | 13.1 GWh | Dec 2024 | Oct 2025 | $0 | |
| Gilroy Energy Center For Riverview | Suisun, CA | Independent Power Producer | 3 | 39.6 GWh | Dec 2024 | Jul 2025 | $11.28M | |
| Creed Energy Center LLC | Suisun, CA | Independent Power Producer | 1 | 6.5 GWh | Dec 2024 | Oct 2025 | $0 | |
| YAVI Energy LLC | Sudbury, MA | Independent Power Producer | - | - | Dec 2017 | Oct 2025 | $204.18k | |
| FPC Services Inc. | Sublette, IL | Independent Power Producer | 1 | 7.9 GWh | Dec 2024 | - | ||
| City Of Sturgis - (Mi) | Sturgis, MI | Municipally-Owned Utility | 2 | 8.1 GWh | Dec 2024 | Jul 2020 | ||
| Industrial Assets, Inc. | Studio City, CA | - | - | - | Oct 2025 | $1.02M | ||
| Regenerate Stratton LLC | Stratton, ME | - | - | - | Sep 2025 | $1.44M | ||
| Regenerate Livermore Falls LLC | Stratton, ME | - | - | - | Sep 2025 | $2.83M | ||
| Reenergy Stratton LLC | Stratton, ME | Independent Power Producer | 1 | 216.1 GWh | Dec 2024 | Sep 2023 | ||
| Sikorsky Aircraft Corporation | Stratford, CT | Industrial | 1 | 58.5 GWh | Dec 2024 | - | ||
| McCallum Enterprises I LP | Stratford, CT | Independent Power Producer | 1 | 25.2 GWh | Dec 2024 | - | ||
| Town Of Stowe- (VT) | Stowe, VT | Municipally-Owned Utility | 1 | 1.3 GWh | Dec 2024 | - | ||
| Hamilton Wind Energy LLC | Story City, IA | Independent Power Producer | 1 | 5.5 GWh | Dec 2024 | - | ||
| University Of Connecticut | Storrs, CT | State-Owned Utility | 1 | 121.2 GWh | Feb 2026 | - | ||
| Doccs Greenhaven | Stormville, NY | Independent Power Producer | 1 | 6.5 GWh | Dec 2024 | - | ||
| Nissequoque Cogen Partners | Stonybrook, NY | Independent Power Producer | 1 | 337.8 GWh | Dec 2024 | - | ||
| Avalon Hydropower LLC | Stoneville, NC | Independent Power Producer | 1 | 3.3 GWh | Feb 2026 | - | ||
| City Of Stockton Mud | Stockton, CA | Municipally-Owned Utility | 1 | 3.5 GWh | Dec 2024 | - | ||
| Stillwater Utilities Authority | Stillwater, OK | Municipally-Owned Utility | 3 | 146.1 GWh | Dec 2024 | Sep 2025 | $6.92M | |
| NRG Arthur Kill Operations Inc | Staten Island, NY | Independent Power Producer | 1 | 2.1 TWh | Feb 2026 | - | ||
| Strandness Garden LLC | Starbuck, MN | Independent Power Producer | 1 | 1.6 GWh | Dec 2024 | - | ||
| Stanford University Power LLC | Stanford, CA | - | - | - | Oct 2025 | $1.27M | $1.99M | |
| U S Power Generating Company LLC | Stamford, CT | Independent Power Producer | 3 | 962.0 GWh | Dec 2024 | - | ||
| Thomson Corp | Stamford, CT | Commercial | 1 | 464.0 MWh | Feb 2026 | - | ||
| Stamford Health Tully Health Center | Stamford, CT | Commercial | 1 | 5.0 GWh | Dec 2024 | - | ||
| Roseton Generating LLC | Stamford, CT | - | - | - | Oct 2025 | $21.82M | ||
| Power Holding LLC | Stamford, CT | - | - | - | Sep 2025 | $8.37M | ||
| Panda Solar NC 9, LLC | Stamford, CT | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| Panda Solar NC 8, LLC | Stamford, CT | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Panda Solar NC 7 , LLC | Stamford, CT | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Panda Solar NC 6, LLC | Stamford, CT | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Panda Solar NC 5, LLC | Stamford, CT | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Panda Solar NC 4, LLC | Stamford, CT | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Panda Solar NC 3, LLC | Stamford, CT | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Panda Solar NC 2, LLC | Stamford, CT | Independent Power Producer | 1 | 3.8 GWh | Dec 2024 | - | ||
| Panda Solar NC 11, LLC | Stamford, CT | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Panda Solar NC 10, LLC | Stamford, CT | Independent Power Producer | 1 | 4.4 GWh | Dec 2024 | - | ||
| Panda Solar NC 1, LLC | Stamford, CT | Independent Power Producer | 1 | 1.9 GWh | Dec 2024 | - | ||
| Oak Solar LLC | Stamford, CT | Independent Power Producer | 1 | 266.5 GWh | Feb 2026 | Oct 2025 | $3.41M | |
| Green Street Power Partners | Stamford, CT | Commercial | 39 | 159.4 GWh | Dec 2024 | - | ||
| Generation Bridge II Connecticut, LLC | Stamford, CT | Investor-Owned Utility | 2 | 3.8 TWh | Feb 2026 | - | ||
| GB II New York LLC | Stamford, CT | Independent Power Producer | 1 | 3.7 TWh | Feb 2026 | Oct 2025 | $72.87M | |
| Freepoint Commodities LLC | Stamford, CT | Independent Power Producer | 2 | - | - | Oct 2025 | $3.69M | $3.69M |
| FPS Coxsackie Solar LLC | Stamford, CT | Independent Power Producer | 1 | 8.7 GWh | Dec 2024 | - | ||
| Engelhart CTP (US) LLC | Stamford, CT | - | - | - | Oct 2025 | $2.88M | ||
| Danske Commodities US LLC | Stamford, CT | - | - | - | Sep 2025 | $11.51M | ||
| Cubico USA, LLC | Stamford, CT | Independent Power Producer | 8 | 1.2 TWh | Feb 2026 | - | ||
| Colice Hall Solar LLC | Stamford, CT | Independent Power Producer | 1 | 35.0 GWh | Dec 2024 | Oct 2025 | $470.93k | |
| Castleton Commodities Energy Trading LLC | Stamford, CT | - | - | - | Oct 2025 | $65.53M | $119.28k | |
| Castleton Commodities Energy Services LLC | Stamford, CT | - | - | - | Oct 2025 | $34.49M | $33.24M | |
| Altus Power America Management, LLC | Stamford, CT | Independent Power Producer | 179 | 861.9 GWh | Feb 2026 | - | ||
| AETS OPCO Holdings LLC | Stamford, CT | Independent Power Producer | 10 | 9.3 GWh | Dec 2024 | - | ||
| Town Of Stafford - (CT) | Stafford Springs, CT | Municipally-Owned Utility | 1 | 3.3 GWh | Dec 2024 | - | ||
| US Army Corps Of Engineers | St. Stephen, SC | Federally-Owned Utility | 1 | 265.5 GWh | Dec 2024 | - | ||
| Reworld Projects, LLC | St. Petersburg, FL | Commercial | 1 | 318.1 GWh | Feb 2026 | - | ||
| Duke Energy Florida, LLC | St. Petersburg, FL | Independent Power Producer|Investor-Owned Utility | 50 | 46.4 TWh | Feb 2026 | Sep 2025 | $17.46M | $17.05M |
| Titlow Garden LLC | St. Paul, MN | Independent Power Producer | 1 | 1.9 GWh | Dec 2024 | - | ||
| Preston Garden LLC | St. Paul, MN | Independent Power Producer | 1 | 785.0 MWh | Dec 2024 | - | ||
| MSC-Empire01, LLC | St. Paul, MN | Independent Power Producer | 1 | 2.0 GWh | Dec 2024 | - | ||
| Salt Creek Township Solar, LLC | St. Louis, MO | - | - | - | Sep 2025 | $1.52M |
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 | Feb 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Feb 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Feb 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Feb 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Feb 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Feb 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Feb 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Feb 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Feb 2026 | Nuclear |
| Catawba | York, South Carolina | 20 TWh | May 1985 | Feb 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Feb 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Feb 2026 | Natural Gas : 71.2% Bituminous Coal : 28.6% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Feb 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 17 TWh | Jul 1975 | Feb 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Feb 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Feb 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Feb 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Feb 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Feb 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Feb 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Feb 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Feb 2026 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Feb 2026 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Feb 2026 | Subbituminous Coal |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Feb 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Feb 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Feb 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Feb 2026 | Subbituminous Coal : 74.7% Bituminous Coal : 16.2% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Feb 2026 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Feb 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Feb 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Feb 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Feb 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Feb 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Feb 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Feb 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Feb 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Feb 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Feb 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Feb 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Feb 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Feb 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Feb 2026 | Nuclear : 67.9% Natural Gas : 32.1% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Feb 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Feb 2026 | Subbituminous Coal : 83.0% Natural Gas : 17.0% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Feb 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Feb 2026 | Natural Gas : 99.9% |