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 |
|---|---|---|---|---|---|---|---|---|
| Umbriel Solar, LLC | Boston, MA | Independent Power Producer | 1 | 347.6 GWh | Jun 2026 | Sep 2025 | $3.71M | |
| Unalakleet Valley ELEC Coop | Unalakleet, AK | Cooperative | 1 | 4.0 GWh | Dec 2024 | - | ||
| Unbridled Solar, LLC | Bloomington, MN | - | - | - | Oct 2025 | $3.80M | ||
| Underhill Solar LLC | Princeton, NJ | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| Union Carbide Corp-Seadrift | Midland, MI | Industrial | 2 | 726.3 GWh | Jun 2026 | Oct 2025 | $3.22M | |
| Union Falls Hydro Power LP | Montreal, QB | Independent Power Producer | 1 | 10.6 GWh | Dec 2025 | - | ||
| Unisea Inc | Dutch Harbor, AK | Independent Power Producer | 1 | 30.3 GWh | Dec 2025 | - | ||
| Unison Energy LLC | Greenwich, CT | Independent Power Producer | 1 | 20.6 GWh | Dec 2025 | - | ||
| United States Solar Corporation | Fairfield, CT | Independent Power Producer | 68 | 131.9 GWh | Dec 2025 | - | ||
| United States Sugar Corp | Clewiston, FL | Industrial | 2 | 257.2 GWh | Jun 2026 | - | ||
| United Technologies | East Hartford, CT | Industrial | 1 | 87.0 GWh | Jun 2026 | - | ||
| United Therapeutics Corporation | Silver Spring, MD | Independent Power Producer | 1 | 9.7 GWh | Dec 2025 | - | ||
| University Of Alaska | Fairbanks, AK | State-Owned Utility | 1 | 54.3 GWh | Jun 2026 | - | ||
| University Of Arizona | Tucson, AZ | State-Owned Utility | 3 | 101.2 GWh | Jun 2026 | - | ||
| University Of Arkansas | Fayetteville, AR | Commercial | 1 | 38.0 GWh | Dec 2025 | - | ||
| University Of California Irvine | Irvine, CA | State-Owned Utility | 1 | 122.8 GWh | Jun 2026 | - | ||
| University Of California-La | LOS Angeles, CA | |Commercial | 2 | 261.1 GWh | Jun 2026 | - | ||
| University Of California San Diego | La Jolla, CA | State-Owned Utility | 2 | 227.1 GWh | Jun 2026 | - | ||
| University Of California, San Francisco | San Francisco, CA | Commercial | 1 | 72.3 GWh | Jun 2026 | - | ||
| University Of California Santa CRUZ | Santa CRUZ, CA | State-Owned Utility | 1 | 36.5 GWh | Dec 2025 | - | ||
| University Of Cincinnati | Cincinatti, OH | Commercial | 2 | 248.3 GWh | Jun 2026 | - | ||
| University Of Connecticut | Storrs, CT | State-Owned Utility | 1 | 122.4 GWh | Jun 2026 | - | ||
| University Of Illinois | Champaign, IL | State-Owned Utility | 2 | 353.2 GWh | Jun 2026 | - | ||
| University Of Massachusetts Amherst | Amherst, MA | State-Owned Utility | 1 | 89.3 GWh | Dec 2025 | - | ||
| University Of Massachusetts Medical | Worcester, MA | State-Owned Utility | 1 | 72.2 GWh | Dec 2025 | - | ||
| University Of Michigan | ANN Arbor, MI | Commercial | 2 | 277.5 GWh | Jun 2026 | - | ||
| University Of Minnesota Central Utilities | Minneapolis, MN | Industrial | 2 | 187.8 GWh | Jan 2026 | - | ||
| University Of Minnesota Morris Campus | Morris, MN | State-Owned Utility | 1 | 3.4 GWh | Dec 2025 | - | ||
| University Of Minnesota Wcroc | Morris, MN | State-Owned Utility | 1 | 1.9 GWh | Dec 2025 | - | ||
| University Of New Mexico | Albuquerque, NM | Political Subdivision | 2 | 84.9 GWh | Dec 2024 | - | ||
| University Of North Carolina | Chapel Hill, NC | State-Owned Utility | 2 | 55.3 GWh | Jun 2026 | - | ||
| University Of Northern Iowa | Cedar Falls, IA | State-Owned Utility | 1 | 26.4 GWh | Jun 2026 | - | ||
| University Of Notre Dame | Notre Dame, IN | Independent Power Producer | 2 | 99.6 GWh | Jun 2026 | - | ||
| University Of Oregon | Eugene, OR | State-Owned Utility | 1 | 650.8 MWh | Dec 2025 | - | ||
| University Of Redlands | Redlands, CA | Commercial | 1 | 4.5 GWh | Dec 2025 | - | ||
| University Of Rochester | Rochester, NY | Commercial | 1 | 26.8 GWh | Dec 2025 | - | ||
| University Of Tennessee | Knoxville, TN | State-Owned Utility | 1 | 34.3 GWh | Jun 2026 | - | ||
| University Of Texas At Austin | Austin, TX | State-Owned Utility | 1 | 381.1 GWh | Dec 2025 | - | ||
| UPC Power Solutions | Chicago, IL | Independent Power Producer | 9 | 48.1 GWh | Dec 2024 | - | ||
| Upstream Wind Energy LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $1.36M | ||
| Upton County Solar 2 LLC | Irving, TX | Independent Power Producer | 1 | 387.3 GWh | Jun 2026 | - | ||
| Upton Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| Urban Grid Solar | Houston, TX | Independent Power Producer | 13 | 1.0 TWh | Jun 2026 | - | ||
| Ursa Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 8.3 GWh | Dec 2025 | - | ||
| US Army Corps Of Engineers | St. Stephen, SC | Federally-Owned Utility | 1 | 179.0 GWh | Dec 2025 | - | ||
| US Dept Of Army, Garrison, APG | Aberdeen, MD | Federally-Owned Utility | 1 | 50.6 GWh | Dec 2025 | - | ||
| US Geothermal Inc. | Boise, ID | Independent Power Producer | 2 | 267.5 GWh | Dec 2025 | - | ||
| US GSA Heating And Transmission | Washington, DC | Federally-Owned Utility | 1 | 36.1 GWh | Jun 2026 | - | ||
| US Paper Mill Company | Chillicothe, OH | Industrial | 1 | 25.1 GWh | Jan 2026 | - | ||
| US Space Force | Sagamore, MA | Federally-Owned Utility | 1 | 6.6 GWh | Jun 2026 | - | ||
| US Sugar Savannah Refinery, LLC | Port Wentworth, GA | Industrial | 1 | 56.0 GWh | Dec 2024 | - | ||
| Usace-Detroit District | Detroit, MI | Federally-Owned Utility | 1 | 169.3 GWh | Dec 2025 | - | ||
| Usace-Fort Worth District | Fort Worth, TX | Federally-Owned Utility | 3 | 280.1 GWh | Dec 2025 | - | ||
| Usace Northwestern Division | Portland, OR | Federally-Owned Utility | 21 | 45.4 TWh | Jun 2026 | - | ||
| Usace-Omaha | Omaha, NE | Federally-Owned Utility | 6 | 8.1 TWh | Dec 2025 | - | ||
| USCE-Kansas City District | Kansas City, MO | Federally-Owned Utility | 2 | 286.5 GWh | Jun 2026 | - | ||
| USCE-Little Rock District | Little Rock, AR | Federally-Owned Utility | 7 | 2.4 TWh | Dec 2024 | - | ||
| USCE-Mobile District | Mobile, AL | Federally-Owned Utility | 8 | 1.6 TWh | Jun 2026 | - | ||
| USCE-Nashville District | Nashville, TN | Federally-Owned Utility | 9 | 3.4 TWh | Dec 2025 | - | ||
| USCE-Savannah District | Savannah, GA | Municipally-Owned Utility | 3 | 1.3 TWh | Jun 2026 | - | ||
| USCE-St Louis District | Monroe City, MO | Federally-Owned Utility | 1 | 149.9 GWh | Jun 2026 | - | ||
| USCE-Tulsa District | Tulsa, OK | Federally-Owned Utility | 8 | 1.1 TWh | Dec 2024 | - | ||
| USCE -Vickburg District | Royal, AR | Federally-Owned Utility | 3 | 441.5 GWh | Jun 2026 | - | ||
| USCE-Wilmington District | Boydton, VA | Federally-Owned Utility | 2 | 364.6 GWh | Dec 2025 | - | ||
| USF Essex Lessor, LLC | New York, NY | Independent Power Producer | 6 | 55.4 GWh | Dec 2025 | - | ||
| USF McClellan, LLC | New York, NY | Independent Power Producer | 1 | 1.4 GWh | Dec 2025 | - | ||
| USF Surry LLC | New York, NY | Independent Power Producer | 8 | 40.2 GWh | Dec 2025 | - | ||
| USG Nevada LLC | Boise, ID | Independent Power Producer | 2 | 84.0 GWh | Dec 2025 | Sep 2025 | $1.69M | |
| USG Oregon LLC | Reno, NV | - | - | - | Sep 2025 | $3.76M | ||
| USS Cattail Solar LLC | Fulton, IL | Independent Power Producer | 1 | 1.3 GWh | Dec 2025 | - | ||
| USS Origami Solar LLC | Fulton, IL | Independent Power Producer | 1 | 1.1 GWh | Dec 2025 | - | ||
| Ut West Tennessee Solar Farm | Knoxville, TN | State-Owned Utility | 1 | 3.3 GWh | Dec 2025 | - | ||
| Utah Associated Mun Power SYS | Salt Lake City, UT | Political Subdivision | 4 | 1.0 TWh | Jun 2026 | - | ||
| Utah State University | Logan, UT | State-Owned Utility | 1 | 27.9 GWh | Jun 2026 | - | ||
| Utica Water & Power Authority | Angels Camp, CA | Political Subdivision | 2 | 22.9 GWh | Dec 2025 | Jul 2017 | ||
| Utility Board Of Key West City (FL) | Key West, FL | Municipally-Owned Utility | 3 | 7.1 GWh | Dec 2025 | - | ||
| Uwharrie Mountain Renewable Energy, LLC | Detroit, MI | Investor-Owned Utility | 1 | 35.1 GWh | Dec 2025 | - | ||
| UXI CSG Venture 1 8301 LLC | Seattle, WA | Independent Power Producer | 1 | 3.8 GWh | Dec 2025 | - | ||
| UXI CSG Venture 2 8302 LLC | Seattle, WA | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| UXI CSG Venture 3 8303 LLC | Seattle, WA | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| UXI CSG Venture 4 8304 LLC | Seattle, WA | Independent Power Producer | 1 | 3.8 GWh | Dec 2025 | - | ||
| Va Sepulveda Ambulatory Care Center | North Hills, CA | Municipally-Owned Utility | 1 | 4.1 GWh | Dec 2025 | - | ||
| Valcour Altona Windpark, LLC | Louisville, CO | - | - | - | Jul 2025 | $1.32M | ||
| Valcour Bliss Windpark, LLC | Louisville, CO | - | - | - | Oct 2025 | $1.71M | ||
| Valcour Chateaugay Windpark, LLC | Louisville, CO | - | - | - | Oct 2025 | $1.32M | ||
| Valcour Clinton Windpark, LLC | Louisville, CO | - | - | - | Jul 2025 | $1.18M | ||
| Valcour Ellenburg Windpark, LLC | Louisville, CO | - | - | - | Oct 2025 | $1.10M | ||
| Valcour Operating Services, LLC | Arlington, VA | Independent Power Producer | 6 | 1.3 TWh | Dec 2025 | - | ||
| Valcour Wethersfield Windpark, LLC | Louisville, CO | - | - | - | Oct 2025 | $2.19M | ||
| Valcour Wind Energy, LLC | Louisville, CO | - | - | - | Sep 2025 | $316.96k | ||
| Valencia Power LLC | Belen, NM | Independent Power Producer | 1 | 153.9 GWh | Dec 2025 | Sep 2025 | $5.72M | |
| Valentine Solar, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $4.59M | ||
| Valentine Wind, LLC | Omaha, NE | Independent Power Producer | 1 | 1.3 GWh | Oct 2025 | - | ||
| Valero Refining Co California | Corpus Christi, TX | |Industrial | 6 | 252.9 GWh | Jun 2026 | - | ||
| Valero Wilmington | Wilmington, CA | Industrial | 1 | 231.6 GWh | Dec 2025 | - | ||
| Valley Center Ess, LLC | New York, NY | - | - | - | Oct 2025 | $2.16M | ||
| Valley Falls Associates | Clifton Park, NY | Independent Power Producer | - | 7.5 GWh | Dec 2024 | - | ||
| Valley Sun Solar LLC | Houston, TX | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Valta Energy | Ontario, CA | Independent Power Producer | 13 | 10.5 GWh | Dec 2025 | - | ||
| Van Buren Solar, LLC | Jersey City, NJ | Independent Power Producer | 1 | 4.2 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 | Jun 2026 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Jun 2026 | Natural Gas : 97.3% Bituminous Coal : 2.7% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Jun 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Jun 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Jun 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | Jun 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Jun 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Jun 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Jun 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | Jun 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Jun 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Jun 2026 | Natural Gas : 69.8% Bituminous Coal : 30.0% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Jun 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | Jun 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Jun 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Jun 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Jun 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 19 TWh | Feb 1941 | Jun 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Jun 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Jun 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Jun 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Jun 2026 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Jun 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Jun 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 18 TWh | Dec 1983 | Jun 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Jun 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Jun 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Jun 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Jun 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 | Jun 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Jun 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Jun 2026 | Lignite Coal : 99.2% Natural Gas : 0.8% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Jun 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Jun 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Jun 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Jun 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Jun 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Jun 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Jun 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 18 TWh | Jun 1981 | Jun 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Jun 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Jun 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | Jun 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Jun 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Jun 2026 | Nuclear : 64.6% Natural Gas : 35.4% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Jun 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Jun 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Jun 2026 | Subbituminous Coal : 81.2% Natural Gas : 18.8% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Jun 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Jun 2026 | Natural Gas |