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 |
|---|---|---|---|---|---|---|---|---|
| Somerville Solar, LLC | New York, NY | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| U S Power Generating Company LLC | Stamford, CT | Independent Power Producer | 3 | 962.0 GWh | Dec 2024 | - | ||
| UIL Distributed Resources, LLC | New Haven, CT | Independent Power Producer | 1 | 19.4 GWh | Dec 2024 | Sep 2025 | $442.55k | |
| Ulster Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.6 GWh | Dec 2024 | - | ||
| Ulysses Solar, LLC | Irvington, NY | Independent Power Producer | 1 | 1.6 GWh | Dec 2024 | - | ||
| Umbriel Solar, LLC | Boston, MA | Independent Power Producer | 1 | 334.9 GWh | Dec 2025 | Sep 2025 | $3.71M | |
| Union Falls Hydro Power LP | Montreal, QB | Independent Power Producer | 1 | 13.0 GWh | Dec 2024 | - | ||
| Tropico, LLC | Pasadena, CA | Independent Power Producer | - | - | Dec 2019 | Sep 2025 | $996.99k | |
| Trent Wind Farm LLC | Trent, TX | Independent Power Producer | 1 | 563.6 GWh | Dec 2024 | - | ||
| Sophie Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 8.0 GWh | Dec 2024 | - | ||
| TRES Bahias Solar Power, LLC | Boston, MA | Independent Power Producer | 1 | 461.1 GWh | Dec 2025 | - | ||
| TRES Power VIctoria LLC | Victoria, TX | Independent Power Producer | 2 | 103.5 GWh | Dec 2024 | - | ||
| Sonoran West Solar Holdings LLC | Oakland, CA | Independent Power Producer | 1 | - | - | Oct 2025 | $7.36M | $85.24k |
| Trigen-Cinergy Solutions College Park | College Park, MD | Independent Power Producer | 1 | 89.8 GWh | Dec 2024 | - | ||
| Trinity Hills Wind Farm LLC | Charlotte, NC | Independent Power Producer | 1 | 826.7 GWh | Dec 2025 | - | ||
| Triton College | River Grove, IL | Independent Power Producer | 1 | 373.0 MWh | Dec 2025 | - | ||
| Trona Solar III LLC | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | |||
| Sonoran Solar Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | Dec 2025 | Sep 2025 | $13.02M | |
| Turtle Creek Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 783.1 GWh | Dec 2025 | Oct 2025 | $5.46M | |
| Troutdale Grid, LLC | Juno Beach, FL | Independent Power Producer | 1 | -36.9 GWh | Dec 2025 | Sep 2025 | $9.21M | |
| Troy Energy LLC | Luckey, OH | Independent Power Producer | 1 | 1.0 TWh | Dec 2024 | Sep 2025 | $20.93M | |
| Truman Solar, LLC | St. Louis Park, MN | Independent Power Producer | 1 | 23.5 GWh | Dec 2024 | - | ||
| Tuana Springs Energy, LLC | Baltimore, MD | Independent Power Producer | 1 | 30.9 GWh | Dec 2025 | Sep 2025 | $616.81k | |
| Tulare Solar Center, LLC | Reno, NV | Independent Power Producer | 1 | 141.9 GWh | Dec 2025 | Sep 2025 | $1.11M | |
| Tulsa LFG LLC | Independent Power Producer | 1 | 18.7 GWh | Dec 2024 | - | |||
| Tumbleweed Energy Storage, LLC | Walnut Creek, CA | Independent Power Producer | 1 | -26.9 GWh | Dec 2025 | Sep 2025 | $4.43M | |
| Tungsten Mountain | Fallon, NV | Independent Power Producer | 1 | 308.4 GWh | Dec 2025 | - | ||
| Somonauk Road Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 4.4 GWh | Dec 2024 | - | ||
| Solar Star California Xxxii, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 18.2 GWh | Dec 2024 | - | ||
| Solar Star New Jersey VI LLC | Depere, WI | Independent Power Producer | 1 | 1.4 GWh | Dec 2024 | - | ||
| University Park Energy LLC | University Park, IL | Independent Power Producer | 1 | 76.4 GWh | Dec 2024 | Sep 2025 | $5.01M | $55.25k |
| Solar Star Colorado III, LLC | Richmond, CA | Independent Power Producer | 1 | 124.1 GWh | Dec 2024 | Sep 2025 | $2.31M | |
| UPC Power Solutions | Chicago, IL | Independent Power Producer | 8 | 48.1 GWh | Dec 2024 | - | ||
| Solar Star Colorado II LLC | Richmond, CA | Independent Power Producer | 1 | 11.4 GWh | Dec 2024 | - | ||
| Solar Star Coastal Pirate, LLC | Houston, TX | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| Upton County Solar 2 LLC | Irving, TX | Independent Power Producer | 1 | 408.7 GWh | Dec 2025 | - | ||
| Upton Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| Urban Grid Solar | Houston, TX | Independent Power Producer | 13 | 643.8 GWh | Dec 2025 | - | ||
| Ursa Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 8.2 GWh | Dec 2024 | - | ||
| US Geothermal, Inc. | Boise, ID | Independent Power Producer | 2 | 289.5 GWh | Dec 2024 | - | ||
| Solar Star Prime 1 LLC | San Jose, CA | Independent Power Producer | 2 | 3.6 GWh | Dec 2024 | - | ||
| Solar Star California XXXI, LLC | Richmond, CA | Independent Power Producer | 1 | 13.4 GWh | Dec 2024 | - | ||
| USF Essex Lessor, LLC | New York, NY | Independent Power Producer | 6 | 56.5 GWh | Dec 2024 | - | ||
| USF Surry LLC | New York, NY | Independent Power Producer | 8 | 47.7 GWh | Dec 2024 | - | ||
| USG Nevada LLC | Boise, ID | Independent Power Producer | 2 | 91.8 GWh | Dec 2024 | Sep 2025 | $1.69M | |
| Solar Star California XX, LLC | Rosamond, CA | Independent Power Producer | 1 | 755.1 GWh | Dec 2025 | Sep 2025 | $27.41M | |
| Solar Star California XL, LLC | Austin, TX | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $2.42M | |
| Solar Star California XIX, LLC | Rosamond, CA | Independent Power Producer | 1 | 938.2 GWh | Dec 2025 | Sep 2025 | $36.35M | |
| Solar Star California Lxxviii, LLC | Richmond, CA | Independent Power Producer | 1 | 3.3 GWh | Dec 2024 | - | ||
| Solar Star California II LLC | Depere, WI | Independent Power Producer | 2 | 3.6 GWh | Dec 2024 | - | ||
| UXI CSG Venture 1 8301 LLC | Seattle, WA | Independent Power Producer | 1 | 3.8 GWh | Dec 2024 | - | ||
| Soldier Creek Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | Dec 2025 | Sep 2025 | $3.65M | |
| Transalta Centralia Gen LLC | Centralia, WA | Independent Power Producer | 2 | 3.2 TWh | Dec 2025 | Oct 2025 | $51.05M | |
| Unison Energy LLC | Greenwich, CT | Independent Power Producer | 1 | 23.6 GWh | Dec 2024 | - | ||
| SOLV Energy, LLC | San Diego, CA | Independent Power Producer | 1 | 23.3 GWh | Dec 2024 | - | ||
| United States Solar Corporation | Fairfield, CT | Independent Power Producer | 60 | 115.0 GWh | Dec 2024 | - | ||
| Soluga Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 6.4 GWh | Dec 2024 | - | ||
| United Therapeutics Corporation | Silver Spring, MD | Independent Power Producer | 1 | 4.4 GWh | Dec 2024 | - | ||
| Soltage VUL 1600 Chemung, LLC | Jersey City, NJ | Independent Power Producer | 1 | 2.1 GWh | Dec 2024 | - | ||
| Solriver Capital LLC | Denver, CO | Independent Power Producer | 28 | 193.0 GWh | Dec 2024 | - | ||
| Solops 371 Hoes LLC | Baltimore, MD | Independent Power Producer | 1 | 1.9 GWh | Dec 2024 | - | ||
| Solitude Solar Russell County RD 21 Microgrid, LLC | Houston, TX | Independent Power Producer | 1 | 589.0 MWh | Dec 2024 | - | ||
| University Of Colorado | Boulder, CO | Independent Power Producer | 1 | 256.2 MWh | Jan 2025 | - | ||
| Somerset Windpower LLC | Juno Beach, FL | Independent Power Producer | - | - | Dec 2017 | Oct 2025 | $44.77k | |
| Solarenewal LLC | San Francisco, CA | Independent Power Producer | 3 | 5.2 GWh | Dec 2024 | - | ||
| Solar Star Urbana Landfill East, LLC | Boston, MA | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| Solar Star Urbana Landfill Central, LLC | Boston, MA | Independent Power Producer | 1 | 3.8 GWh | Dec 2024 | - | ||
| Solar Star River SLB, LLC | Austin, TX | Independent Power Producer | 4 | 24.1 GWh | Dec 2024 | - | ||
| Solar Star Prime 6, LLC | San Jose, CA | Independent Power Producer | 1 | 3.2 GWh | Dec 2024 | - | ||
| Solar Star Prime 5, LLC | Houston, TX | Independent Power Producer | 1 | 2.7 GWh | Dec 2024 | - | ||
| Solar Star Prime 4 LLC | Austin, TX | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Solar Star Prime 3, LLC | Seattle, WA | Independent Power Producer | 1 | 7.9 GWh | Dec 2024 | - | ||
| Solar Star Prime 2, LLC | San Jose, CA | Independent Power Producer | 1 | 7.1 GWh | Dec 2024 | - | ||
| University Of Notre Dame | Notre Dame, IN | Independent Power Producer | 2 | 105.2 GWh | Dec 2025 | - | ||
| Three Peaks Power LLC | Houston, TX | Independent Power Producer | - | 138.9 GWh | Dec 2023 | Sep 2025 | $2.83M | |
| The Hankin Group | Exton, PA | Independent Power Producer | 1 | 1.9 GWh | Dec 2024 | - | ||
| Southeastern Solar Farm Fund, LLC | Atlanta, GA | Independent Power Producer | 4 | 18.7 GWh | Dec 2024 | - | ||
| Southbridge Recycling And Disposal Park | Southbridge, MA | Independent Power Producer | 1 | 13.0 GWh | Dec 2024 | - | ||
| Theodore Drive Solar, LLC | Boston, MA | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| Thermo No 1 Be 01 LLC | Independent Power Producer | 2 | 63.4 GWh | Dec 2024 | - | |||
| Thigpen Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 7.7 GWh | Dec 2024 | - | ||
| Thomas Solar | El Segundo, CA | Independent Power Producer | 1 | 4.0 GWh | Dec 2024 | - | ||
| Thor Solar 1 CEI, LLC | Scottsdale, AZ | Independent Power Producer | 8 | 52.7 GWh | Dec 2024 | - | ||
| Three Bridge Farm, LLC | Asheville, NC | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Three Corners Solar, LLC | Boston, MA | Independent Power Producer | 1 | 193.7 GWh | Dec 2025 | Sep 2025 | $5.65M | |
| The Greater Light USA LLC | Galveston, TX | Independent Power Producer | 2 | 23.2 GWh | Dec 2024 | - | ||
| Threemile Canyon Wind I, LLC | Baltimore, MD | Independent Power Producer | 1 | 23.2 GWh | Dec 2024 | - | ||
| Thunder Ranch Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 896.0 GWh | Dec 2025 | Oct 2025 | $966.88k | |
| Thunder Wolf Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 573.4 GWh | Dec 2025 | Sep 2025 | $5.20M | |
| Thunderhead Solar, LLC | Jersey City, NJ | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Tibbits Energy Storage LLC | Austin, TX | Independent Power Producer | 1 | -7.8 GWh | Dec 2025 | Oct 2025 | $1.07M | |
| Tiber Montana LLC | Ivins, UT | Independent Power Producer | 1 | 39.4 GWh | Dec 2024 | May 2024 | ||
| South Street Solar, LLC | Beltsville, MD | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| TIG Sun Energy I LLC | North Charleston, SC | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| TIG Sun Energy IV, LLC | Cayce, SC | Independent Power Producer | 1 | 2.8 GWh | Dec 2024 | - | ||
| Tillamook Biogas, LLC Digester | Tillamook, OR | Independent Power Producer | 1 | 759.1 MWh | Dec 2023 | - | ||
| Tesoro Marketing & Refining Co. LLC (Martinez) | Findlay, OH | Independent Power Producer | 1 | 647.1 GWh | Dec 2025 | - | ||
| Tenaska Frontier Partners Ltd | Omaha, NE | Independent Power Producer | 1 | 3.9 TWh | Dec 2025 | Oct 2025 | $1.31M | |
| Tenaska Gateway Partners Ltd | Omaha, NE | Independent Power Producer | 1 | 5.0 TWh | Dec 2025 | Oct 2025 | $27.20M | |
| Tenaska Georgia Partners LP | Omaha, NE | Independent Power Producer | 1 | 82.6 GWh | Nov 2025 | Sep 2025 | $15.67M |
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% |