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 |
|---|---|---|---|---|---|---|---|---|
| The Energy Authority, Inc. | Jacksonville, FL | - | - | - | Oct 2025 | $912.22M | $255.11M | |
| Talen Energy Marketing, LLC | Houston, TX | - | - | - | Oct 2025 | $405.00M | $408.83M | |
| TRI-State Generation And Transmission Association, Inc. | Westminster, CO | - | - | - | Oct 2025 | $309.00M | $68.23M | |
| Trafigura Trading LLC | Houston, TX | - | - | - | Oct 2025 | $85.18M | ||
| Tenaska VIrginia Partners LP | Omaha, NE | Independent Power Producer | 1 | 4.9 TWh | May 2026 | Oct 2025 | $83.44M | |
| Tenaska Pennsylvania Partners, LLC | Omaha, NE | Independent Power Producer | 1 | 7.0 TWh | May 2026 | Oct 2025 | $65.81M | |
| Tucson Electric Power Co | Tucson, AZ | Investor-Owned Utility | 13 | 8.4 TWh | May 2026 | Oct 2025 | $61.93M | $38.77M |
| Transalta Centralia Gen LLC | Centralia, WA | Independent Power Producer | 2 | 2.1 TWh | Jan 2026 | Oct 2025 | $51.05M | |
| Topaz Solar Farms LLC | Santa Margarita, CA | Independent Power Producer | 1 | 1.1 TWh | May 2026 | Sep 2025 | $42.73M | |
| Tenaska Gateway Partners Ltd | Omaha, NE | Independent Power Producer | 1 | 4.9 TWh | May 2026 | Oct 2025 | $27.20M | |
| TAIT Electric Generating Station, LLC | Washington, DC | - | - | - | Oct 2025 | $25.28M | ||
| Troy Energy LLC | Luckey, OH | Independent Power Producer | 1 | 1.4 TWh | Dec 2025 | Sep 2025 | $20.93M | |
| Tiverton Power LLC | Tiverton, RI | Independent Power Producer | 1 | 1.5 TWh | Dec 2025 | Sep 2025 | $20.48M | |
| The Narragansett Electric Company | Washington, DC | - | - | - | Oct 2025 | $18.73M | $70.21M | |
| Tecolote Wind LLC | Houston, TX | - | - | - | Oct 2025 | $16.60M | ||
| Tenaska Alabama Partners LP | Omaha, NE | Independent Power Producer | - | 1.8 TWh | Dec 2024 | Sep 2025 | $15.80M | |
| Tenaska Georgia Partners LP | Omaha, NE | Independent Power Producer | 1 | 122.9 GWh | May 2026 | Sep 2025 | $15.67M | |
| Troutdale Grid, LLC | Juno Beach, FL | Independent Power Producer | 1 | -33.8 GWh | May 2026 | Sep 2025 | $9.21M | |
| Townsite Solar, LLC | St Thomas, VI | Independent Power Producer | 1 | 518.1 GWh | May 2026 | Oct 2025 | $7.67M | $2.27M |
| Talen Montana LLC | Colstrip, MT | Independent Power Producer | 2 | 8.6 TWh | May 2026 | Sep 2025 | $7.59M | $411.28k |
| Triple H Wind Project, LLC | Houston, TX | - | - | - | Sep 2025 | $6.79M | ||
| Twin Ridges LLC | Pittsburgh, PA | - | - | - | Oct 2025 | $6.37M | ||
| Twin Eagle Resource Management, LLC | Spring, TX | - | - | - | Oct 2025 | $6.31M | $2.22M | |
| TULE Wind LLC | Portland, OR | - | - | - | Sep 2025 | $6.14M | ||
| Top Of The World Wind Energy, LLC | Charlotte, NC | - | - | - | Sep 2025 | $6.08M | ||
| TGP Energy Management, LLC | Mojave, CA | - | - | - | Oct 2025 | $6.04M | $6.21M | |
| Three Corners Solar, LLC | Boston, MA | Independent Power Producer | 1 | 212.6 GWh | May 2026 | Sep 2025 | $5.65M | |
| Tuscola Bay Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 386.7 GWh | May 2026 | Sep 2025 | $5.47M | |
| Turtle Creek Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 755.5 GWh | May 2026 | Oct 2025 | $5.46M | |
| Techren Solar II LLC | Boise, ID | Independent Power Producer | 1 | 495.9 GWh | May 2026 | Sep 2025 | $5.25M | |
| Think Energy, LLC | Greens Farms, CT | - | - | - | Oct 2025 | $5.22M | $10.67M | |
| Thunder Wolf Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 567.0 GWh | May 2026 | Sep 2025 | $5.20M | |
| Telocaset Wind Power Partners | Union, OR | Independent Power Producer | 1 | 334.5 GWh | Dec 2025 | Sep 2025 | $5.13M | |
| TYR Energy, LLC | Overland Park, KS | - | - | - | Sep 2025 | $4.63M | $2.81M | |
| Tumbleweed Energy Storage, LLC | Walnut Creek, CA | Independent Power Producer | 1 | -30.2 GWh | May 2026 | Sep 2025 | $4.43M | |
| Tuscola Wind II LLC | Juno Beach, FL | Independent Power Producer | 1 | 318.2 GWh | May 2026 | Sep 2025 | $3.59M | |
| Tampa Electric Co | Tampa, FL | Investor-Owned Utility | 50 | 21.4 TWh | May 2026 | Oct 2025 | $3.56M | $37.45M |
| Timbermill Wind | Charlottesville, VA | Independent Power Producer | 1 | 389.2 GWh | May 2026 | Oct 2025 | $3.50M | |
| Three Buttes Windpower, LLC | Charlotte, NC | - | - | - | Sep 2025 | $3.38M | ||
| Twin Lakes Solar LLC | Monticello, IN | Independent Power Producer | 1 | 367.5 GWh | May 2026 | Sep 2025 | $3.34M | |
| Transalta Wyoming Wind LLC | Evanston, WY | Independent Power Producer | 1 | 357.9 GWh | Dec 2025 | Sep 2025 | $3.32M | |
| Twiggs County Solar, LLC | New York, NY | - | - | - | Sep 2025 | $3.08M | ||
| Tenaska Clear Creek Wind, LLC | Omaha, NE | - | - | - | Sep 2025 | $3.00M | ||
| Twin Buttes Wind LLC | Portland, OR | - | - | - | Sep 2025 | $2.90M | ||
| Three Peaks Power LLC | Houston, TX | Independent Power Producer | - | - | Dec 2023 | Sep 2025 | $2.83M | |
| Tatanka Ridge Wind, LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $2.72M | ||
| Techren Solar I LLC | Boise, ID | Independent Power Producer | 1 | 245.6 GWh | May 2026 | Sep 2025 | $2.71M | |
| TPW Petersburg LLC | Petersburg, NE | Independent Power Producer | 1 | 169.5 GWh | Dec 2025 | Sep 2025 | $2.69M | |
| Thunderhead Wind Energy LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $2.49M | ||
| TBG Cogen Partners | Houston, TX | - | - | - | Oct 2025 | $2.36M | ||
| Taloga Wind LLC | Scottsdale, AZ | Independent Power Producer | 1 | 202.4 GWh | Dec 2025 | Sep 2025 | $2.25M | |
| Tennessee Valley Authority | Knoxville, TN | Federally-Owned Utility | 62 | 154.0 TWh | May 2026 | Oct 2025 | $2.18M | $275.07M |
| Tunica Windpower LLC | Louisville, CO | - | - | - | Sep 2025 | $2.08M | ||
| Twin Buttes Wind II LLC | Portland, OR | - | - | - | Sep 2025 | $1.96M | ||
| Taylor Creek Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 196.1 GWh | May 2026 | Sep 2025 | $1.90M | |
| Trimont Wind I LLC | Portland, OR | - | - | - | Sep 2025 | $1.89M | ||
| Tilton Energy LLC | Tilton, IL | Independent Power Producer | 1 | 60.6 GWh | Dec 2025 | Sep 2025 | $1.77M | |
| TWE Bowman Solar Project, LLC | Asheville, NC | Independent Power Producer | - | 128.9 GWh | Dec 2024 | Sep 2025 | $1.64M | |
| Trent River Solar, LLC | Asheville, NC | Independent Power Producer | - | 148.9 GWh | Dec 2024 | Sep 2025 | $1.53M | |
| Tatanka Wind Power, LLC | Chicago, IL | - | - | - | Oct 2025 | $1.50M | ||
| Titan Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 149.5 GWh | May 2026 | Sep 2025 | $1.43M | |
| Tenaska Frontier Partners Ltd | Omaha, NE | Independent Power Producer | 1 | 4.3 TWh | May 2026 | Oct 2025 | $1.31M | |
| Timber Road Solar Park | Houston, TX | Independent Power Producer | 1 | 108.4 GWh | May 2026 | Sep 2025 | $1.18M | |
| Techren Solar V LLC | Boise, ID | Independent Power Producer | 1 | 119.5 GWh | May 2026 | Sep 2025 | $1.15M | |
| Tallbear Seville LLC | Charlotte, NC | - | - | - | Sep 2025 | $1.15M | ||
| Turquoise Nevada LLC | Montpelier, VT | - | - | - | Sep 2025 | $1.12M | ||
| Tulare Solar Center, LLC | Reno, NV | Independent Power Producer | 1 | 154.5 GWh | May 2026 | Sep 2025 | $1.11M | |
| Tibbits Energy Storage LLC | Austin, TX | Independent Power Producer | 1 | -12.9 GWh | May 2026 | Oct 2025 | $1.07M | |
| Terminus Hydroelectric, LLC | Bethesda, MD | - | - | - | Oct 2025 | $1.03M | ||
| Tropico, LLC | Pasadena, CA | Independent Power Producer | - | - | Dec 2019 | Sep 2025 | $996.99k | |
| Thunder Ranch Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 998.5 GWh | May 2026 | Oct 2025 | $966.88k | |
| Titan Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 105.1 GWh | May 2026 | Sep 2025 | $960.20k | |
| TAI Huntsville Solar, LLC | New York, NY | Independent Power Producer | 1 | 69.9 GWh | May 2026 | Oct 2025 | $820.85k | |
| TGP Energy Management II, LLC | Mojave, CA | - | - | - | Oct 2025 | $752.42k | ||
| Terra-Gen Mojave Windfarms, LLC | New York, NY | - | - | - | Oct 2025 | $725.39k | ||
| The Procter & Gamble Paper Products Company | Harrisburg, PA | - | - | - | Oct 2025 | $675.05k | ||
| Techren Solar IV LLC | Boise, ID | Independent Power Producer | 1 | 60.6 GWh | May 2026 | Sep 2025 | $623.89k | |
| Tuana Springs Energy, LLC | Baltimore, MD | Independent Power Producer | 1 | 30.1 GWh | May 2026 | Sep 2025 | $616.81k | |
| Tolna Power, LLC | Chicago, IL | Independent Power Producer | 1 | 2.4 GWh | Dec 2025 | Oct 2025 | $574.97k | |
| Techren Solar III LLC | Boise, ID | Independent Power Producer | 1 | 59.0 GWh | May 2026 | Sep 2025 | $574.82k | |
| The Potomac Edison Company | Akron, OH | - | - | - | Oct 2025 | $428.40k | $126.98M | |
| Toms River Merchant Solar, LLC | Boca Raton, FL | - | - | - | Oct 2025 | $394.03k | ||
| Tropicana Manufacturing Company Inc. | Bradenton, FL | - | - | - | Aug 2025 | $362.25k | ||
| Titus Power, LLC | Chicago, IL | Independent Power Producer | 1 | -353.6 MWh | Dec 2025 | Oct 2025 | $301.17k | |
| TODD Solar LLC | Chicago, IL | - | - | - | Oct 2025 | $293.63k | ||
| Three Rivers District Energy, LLC | Houston, TX | - | - | - | Oct 2025 | $262.96k | ||
| TPE ALTA Luna, LLC | New York, NY | Independent Power Producer | 1 | 4.6 GWh | Jan 2026 | Jul 2025 | $260.24k | |
| Tonopah Solar Energy LLC | Tonopah, NV | Independent Power Producer | 1 | 98.2 GWh | May 2026 | Sep 2025 | $54.74k | |
| The Energy Cooperative Of Pennsylvania, Inc. | Philadelphia, PA | - | - | - | Oct 2025 | $39.63k | ||
| Town Square Energy East, LLC | Brooklyn, NY | - | - | - | Oct 2025 | $34.83k | $1.64M | |
| The Trustees Of The University Of Pennsylvania, A Pennsylvania NON-Profit Corporation | Harrisburg, PA | - | - | - | Oct 2025 | $12.68k | ||
| Ta-High Desert LLC | San Francisco, CA | Independent Power Producer | 1 | 60.7 GWh | Dec 2025 | - | ||
| Tahoka Wind, LLC | Chicago, IL | Independent Power Producer | 1 | 1.3 TWh | May 2026 | - | ||
| TAI Norton Solar LLC | New York, NY | Independent Power Producer | 1 | 179.0 GWh | May 2026 | - | ||
| Talenenergy Martins Creek LLC | Allentown, PA | Independent Power Producer | 9 | 3.0 TWh | May 2026 | - | ||
| Talenenergy Montour LLC | Allentown, PA | Independent Power Producer | 1 | 5.1 TWh | May 2026 | - | ||
| Talenenergy Susquehanna LLC | Allentown, PA | Independent Power Producer | 1 | 20.2 TWh | May 2026 | - | ||
| Tallassee Shoals LLC | Athens, GA | Independent Power Producer | 1 | 3.6 GWh | May 2026 | - | ||
| Tamarack Energy | New Meadows, ID | Independent Power Producer | 1 | 15.1 GWh | May 2026 | - | ||
| Tanglewood Circle Solar 1 LLC | Boston, MA | Independent Power Producer | 1 | 7.5 GWh | Dec 2025 | - |
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 |