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 2024Q4 Seller Transactions | FERC 2024Q4 Buyer Transactions |
|---|---|---|---|---|---|---|---|---|
| U S Air Force-Eielson AFB | Eielson AFB, AK | Federally-Owned Utility | 1 | 94.1 GWh | Dec 2023 | - | ||
| U.S. Army - Radford | Radford, VA | Federally-Owned Utility | 1 | 36.5 GWh | Dec 2023 | - | ||
| U S Borax Inc | Boron, CA | Independent Power Producer | 1 | 294.2 GWh | Mar 2025 | Apr 2025 | $1.02M | |
| U S Bureau Of Reclamation | Denver, CO | Federally-Owned Utility | 60 | 34.5 TWh | Mar 2025 | Nov 2022 | ||
| U.S. Energy Partners, LLC | Garden City, NY | - | - | - | Apr 2025 | $38.81k | ||
| U S Gypsum Co | Chicago, IL | Industrial | 1 | 17.9 GWh | Dec 2023 | - | ||
| U S Power Generating Company LLC | Stamford, CT | Independent Power Producer | 3 | 790.3 GWh | Dec 2023 | - | ||
| Ub Fuel Cell | Bridgeport, CT | Commercial | 1 | 11.2 GWh | Dec 2023 | - | ||
| Ue - 00602co, LLC | Greenwich, CT | Independent Power Producer | 1 | 24.3 GWh | Dec 2023 | - | ||
| UGI Development Co | Hunlock Creek, PA | Independent Power Producer | 3 | 707.2 GWh | Feb 2025 | Oct 2024 | ||
| UGI Energy Services, LLC | Wyomissing, PA | Independent Power Producer|Industrial | 2 | 11.5 GWh | Mar 2025 | Apr 2025 | $339.29k | |
| UGI Utilities Inc. | Denver, PA | - | - | - | Apr 2025 | $1.67M | $14.54M | |
| UIL Distributed Resources, LLC | New Haven, CT | Independent Power Producer | 1 | 22.8 GWh | Dec 2023 | Mar 2025 | $505.94k | |
| Ulster Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.9 GWh | Dec 2023 | - | ||
| Ulysses Solar, LLC | Irvington, NY | Independent Power Producer | 1 | 1.7 GWh | Dec 2023 | - | ||
| Umass Boston | Dorchester, MA | Commercial | 1 | 714.6 MWh | Dec 2023 | - | ||
| Umbriel Solar, LLC | Boston, MA | Independent Power Producer | 1 | 344.9 GWh | Mar 2025 | Mar 2025 | $2.57M | |
| Unalakleet Valley ELEC Coop | Unalakleet, AK | Cooperative | 1 | 3.4 GWh | Dec 2023 | - | ||
| Underhill Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 4.1 GWh | Dec 2023 | - | ||
| Union Carbide Corp-Seadrift | Midland, MI | Industrial | 2 | 703.6 GWh | Mar 2025 | Mar 2025 | $731.10k | |
| Union Electric Co - (Mo) | St Louis, MO | Investor-Owned Utility | 32 | 35.1 TWh | Mar 2025 | Apr 2025 | $445.31M | $779.16k |
| Union Falls Hydro Power LP | Montreal, QB | Independent Power Producer | 1 | 10.8 GWh | Dec 2023 | - | ||
| Uniper Global Commodities North America LLC | Houston, TX | - | - | - | Oct 2024 | $8.71M | $1.24M | |
| Unisea Inc | Dutch Harbor, AK | Commercial | 1 | 32.3 GWh | Dec 2023 | - | ||
| United Illuminating Co | Orange, CT | Investor-Owned Utility | 3 | 61.2 GWh | Mar 2025 | Mar 2025 | $27.59M | $83.92M |
| United States Solar Corporation | Fairfield, CT | Independent Power Producer | 60 | 85.1 GWh | Dec 2023 | - | ||
| United States Sugar Corp | Clewiston, FL | Industrial | 2 | 296.8 GWh | Mar 2025 | - | ||
| United Technologies | East Hartford, CT | Industrial | 1 | 101.5 GWh | Mar 2025 | - | ||
| United Therapeutics Corporation | Silver Spring, MD | Independent Power Producer | 1 | 4.5 GWh | Dec 2023 | - | ||
| Unitil Energy Systems, Inc. | Hampton, NH | - | - | - | Mar 2025 | $1.82M | $4.95M | |
| University Of Alaska | Fairbanks, AK | State-Owned Utility | 1 | 65.1 GWh | Mar 2025 | - | ||
| University Of Arizona | Tucson, AZ | State-Owned Utility | 3 | 101.4 GWh | Mar 2025 | - | ||
| University Of Arkansas | Fayetteville, AR | Commercial | 1 | 41.0 GWh | Dec 2023 | - | ||
| University Of California Irvine | Irvine, CA | State-Owned Utility | 1 | 120.4 GWh | Mar 2025 | - | ||
| University Of California-La | LOS Angeles, CA | |Commercial | 2 | 189.7 GWh | Mar 2025 | - | ||
| University Of California San Diego | La Jolla, CA | State-Owned Utility | 2 | 244.5 GWh | Mar 2025 | - | ||
| University Of California, San Francisco | San Francisco, CA | Commercial | 1 | 74.5 GWh | Mar 2025 | - | ||
| University Of California Santa CRUZ | Santa CRUZ, CA | State-Owned Utility | 1 | 39.3 GWh | Dec 2023 | - | ||
| University Of Cincinnati | Cincinatti, OH | Commercial | 2 | 236.2 GWh | Mar 2025 | - | ||
| University Of Colorado | Boulder, CO | Independent Power Producer | 1 | 4.1 GWh | Jan 2025 | - | ||
| University Of Connecticut | Storrs, CT | State-Owned Utility | 1 | 134.2 GWh | Mar 2025 | - | ||
| University Of Illinois | Champaign, IL | State-Owned Utility | 2 | 369.4 GWh | Mar 2025 | - | ||
| University Of Iowa | Iowa City, IA | State-Owned Utility | 2 | 3.8 GWh | Jan 2025 | - | ||
| University Of Massachusetts Medical | Worcester, MA | State-Owned Utility | 1 | 74.1 GWh | Dec 2023 | - | ||
| University Of Michigan | ANN Arbor, MI | Commercial | 2 | 248.1 GWh | Mar 2025 | - | ||
| University Of Minnesota Wcroc | Morris, MN | State-Owned Utility | 1 | 5.1 GWh | Dec 2023 | - | ||
| University Of New Mexico | Albuquerque, NM | Political Subdivision | 2 | 83.7 GWh | Dec 2023 | - | ||
| University Of North Carolina | Chapel Hill, NC | State-Owned Utility | 2 | 55.2 GWh | Mar 2025 | - | ||
| University Of Northern Iowa | Cedar Falls, IA | Commercial | 1 | 23.8 GWh | Mar 2025 | - | ||
| University Of Notre Dame | Notre Dame, IN | Independent Power Producer | 2 | 99.7 GWh | Mar 2025 | - | ||
| University Of Oregon | Eugene, OR | State-Owned Utility | 1 | 654.3 MWh | Dec 2023 | - | ||
| University Of Redlands | Redlands, CA | Commercial | 1 | 5.2 GWh | Dec 2023 | - | ||
| University Of Rochester | Rochester, NY | Commercial | 1 | 37.5 GWh | Dec 2023 | - | ||
| University Of Tennessee | Knoxville, TN | State-Owned Utility | 1 | 38.2 GWh | Mar 2025 | - | ||
| University Of Texas At Austin | Austin, TX | State-Owned Utility | 1 | 377.7 GWh | Dec 2023 | - | ||
| University Of Washington | Seattle, WA | State-Owned Utility | 1 | 7.3 GWh | Mar 2025 | - | ||
| University Park Energy LLC | University Park, IL | Independent Power Producer | 1 | 84.3 GWh | Dec 2023 | Mar 2025 | $1.08M | $55.25k |
| Uns Electric, Inc | Tucson, AZ | Investor-Owned Utility | 5 | 133.8 GWh | Dec 2023 | Apr 2025 | $214.31k | $5.00M |
| UPC Power Solutions | Chicago, IL | Independent Power Producer | 8 | 36.6 GWh | Dec 2023 | - | ||
| Upper Michigan Energy Resources Company | Milwaukee, MI | Investor-Owned Utility | 2 | 761.0 GWh | Dec 2023 | Apr 2025 | $8.10M | $67.91k |
| Upper Missouri G. & T. Electric Cooperative, Inc. | Sidney, MT | - | - | - | Mar 2025 | $220.96M | $218.88M | |
| Upper Peninsula Power Company | Marquette, MI | Investor-Owned Utility | 7 | 129.4 GWh | Dec 2023 | Apr 2025 | $3.94M | $5.70M |
| Upstream Wind Energy LLC | Ashwaubenon, WI | - | - | - | Apr 2025 | $1.75M | ||
| Upton County Solar 2 LLC | Irving, TX | Independent Power Producer | 1 | 432.4 GWh | Mar 2025 | - | ||
| Upton Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.3 GWh | Dec 2023 | - | ||
| Urban Grid Solar | Stevesville, MD | Independent Power Producer | 13 | 228.3 GWh | Mar 2025 | - | ||
| Ursa Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 7.8 GWh | Dec 2023 | - | ||
| US Air Force | Sagamore, MA | Federally-Owned Utility | 1 | 4.9 GWh | Mar 2025 | - | ||
| US Army Corps Of Engineers | St. Stephen, SC | Federally-Owned Utility | 1 | 223.9 GWh | Dec 2023 | - | ||
| US Dept Of Army, Garrison, APG | Aberdeen, MD | Federally-Owned Utility | 1 | 49.7 GWh | Dec 2023 | - | ||
| US Funding 1 | New York, NY | Independent Power Producer | - | 140.6 GWh | Dec 2022 | - | ||
| US Geothermal Inc. | Boise, ID | Independent Power Producer | 2 | 289.8 GWh | Dec 2023 | - | ||
| US GSA Heating And Transmission | Washington, DC | Federally-Owned Utility | 1 | 48.8 GWh | Mar 2025 | - | ||
| US Sugar Savannah Refinery, LLC | Port Wentworth, GA | Industrial | 1 | 52.2 GWh | Dec 2023 | - | ||
| Usace-Detroit District | Detroit, MI | Federally-Owned Utility | 1 | 175.7 GWh | Dec 2023 | - | ||
| Usace-Fort Worth District | Fort Worth, TX | Federally-Owned Utility | 3 | 122.7 GWh | Dec 2023 | - | ||
| Usace Northwestern Division | Portland, OR | Federally-Owned Utility | 21 | 42.7 TWh | Mar 2025 | - | ||
| Usace-Omaha | Omaha, NE | Federally-Owned Utility | 6 | 8.4 TWh | Dec 2023 | - | ||
| USCE-Kansas City District | Kansas City, MO | Federally-Owned Utility | 2 | 106.7 GWh | Mar 2025 | - | ||
| USCE-Little Rock District | Little Rock, AR | Federally-Owned Utility | 7 | 2.7 TWh | Dec 2023 | - | ||
| USCE-Mobile District | Mobile, AL | Federally-Owned Utility | 8 | 1.9 TWh | Mar 2025 | - | ||
| USCE-Nashville District | Nashville, TN | Federally-Owned Utility | 9 | 2.5 TWh | Dec 2023 | - | ||
| USCE-Savannah District | Savannah, GA | Municipally-Owned Utility | 3 | 1.5 TWh | Mar 2025 | - | ||
| USCE-St Louis District | Monroe City, MO | Federally-Owned Utility | 1 | 96.7 GWh | Mar 2025 | - | ||
| USCE-Tulsa District | Tulsa, OK | Federally-Owned Utility | 8 | 1.4 TWh | Dec 2023 | - | ||
| USCE -Vickburg District | Royal, AR | Federally-Owned Utility | 3 | 514.0 GWh | Mar 2025 | - | ||
| USCE-Wilmington District | Boydton, VA | Federally-Owned Utility | 2 | 376.0 GWh | Dec 2023 | - | ||
| USF Essex Lessor, LLC | New York, NY | Independent Power Producer | 6 | 54.1 GWh | Dec 2023 | - | ||
| USF Surry LLC | New York, NY | Independent Power Producer | 8 | 99.4 GWh | Dec 2023 | - | ||
| USG Nevada LLC | Boise, ID | Independent Power Producer | 2 | 91.9 GWh | Dec 2023 | Mar 2025 | $2.16M | |
| USG Oregon LLC | Reno, NV | - | - | - | Mar 2025 | $7.33M | ||
| USPS La Solar Fit A & B | Westport, CT | Independent Power Producer | - | 17.1 GWh | Dec 2022 | - | ||
| Ut West Tennessee Solar Farm | Knoxville, TN | State-Owned Utility | 1 | 2.7 GWh | Dec 2023 | - | ||
| Utah Associated Mun Power SYS | Salt Lake City, UT | Political Subdivision | 4 | 1.1 TWh | Mar 2025 | - | ||
| Utah Municipal Power Agency | Spanish Fork, UT | Political Subdivision | 3 | 909.7 GWh | Mar 2025 | Mar 2025 | $1.43B | |
| Utah Red Hills Renewable Park, LLC | Boca Raton, FL | - | - | - | Mar 2025 | $1.98M | ||
| Utah State University | Logan, UT | State-Owned Utility | 1 | 24.6 GWh | Mar 2025 | - | ||
| Utica Water & Power Authority | Angels Camp, CA | Political Subdivision | 2 | 26.0 GWh | Dec 2023 | Jul 2017 | ||
| Utility Board Of Key West City | Key West, FL | Municipally-Owned Utility | 3 | 4.1 GWh | Dec 2023 | - | ||
| Uwharrie Mountain Renewable Energy, LLC | Detroit, MI | Investor-Owned Utility | 1 | 38.8 GWh | Dec 2023 | - |
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 | Mar 2025 | Nuclear |
| Barry | Bucks, Alabama | 14 TWh | Jan 1954 | Mar 2025 | Natural Gas : 93.9% Bituminous Coal : 6.1% |
| Beaver Valley | Shippingport, Pennsylvania | 14 TWh | Aug 1976 | Mar 2025 | Nuclear |
| Braidwood Generation Station | Braceville, Illinois | 19 TWh | Jun 1988 | Mar 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 29 TWh | Jul 1974 | Mar 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Mar 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Mar 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Mar 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Mar 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Mar 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Mar 2025 | Natural Gas : 79.9% Bituminous Coal : 20.0% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Mar 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Mar 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Mar 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Mar 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 12 TWh | Sep 1974 | Mar 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Mar 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Mar 2025 | Nuclear |
| Greensville County Power Station | Emporia, Virginia | 11 TWh | Nov 2018 | Mar 2025 | Natural Gas |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Mar 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Mar 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Mar 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Mar 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Mar 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Mar 2025 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Mar 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | Mar 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Mar 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Mar 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Mar 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Mar 2025 | Subbituminous Coal : 74.6% Bituminous Coal : 15.7% Petroleum Coke : 9.6% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Mar 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Mar 2025 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Mar 2025 | Lignite Coal : 97.8% Natural Gas : 2.2% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Mar 2025 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Mar 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Mar 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 11 TWh | May 2012 | Mar 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Mar 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Mar 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | Mar 2025 | Water |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Mar 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Mar 2025 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Mar 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Mar 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 21 TWh | Mar 1967 | Mar 2025 | Nuclear : 65.4% Natural Gas : 34.6% |
| Vogtle | Waynesboro, Georgia | 35 TWh | Apr 1987 | Mar 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Mar 2025 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 17 TWh | Apr 1996 | Mar 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Mar 2025 | Natural Gas : 99.9% |