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 |
|---|---|---|---|---|---|---|---|---|
| Williamston Speight Solar, LLC | Westport, CT | Independent Power Producer | 1 | 19.1 GWh | Dec 2024 | - | ||
| Willow Creek Wind Power LLC | Juno Beach, FL | Independent Power Producer | 2 | 767.2 GWh | Mar 2026 | Oct 2025 | $1.66M | |
| Willow Spring | New York, NY | Independent Power Producer | 1 | 22.3 GWh | Dec 2024 | - | ||
| Willow Spring Solar LLC | New York, NY | Independent Power Producer | 1 | 262.5 GWh | Mar 2026 | - | ||
| Willow Springs Solar, LLC | New York, NY | - | - | - | Sep 2025 | $4.12M | ||
| Willow Springs Windfarm, LLC | Austin, TX | Independent Power Producer | 1 | 964.7 GWh | Mar 2026 | - | ||
| Willowbrook Solar I, LLC | Chicago, IL | - | - | - | Oct 2025 | $3.82M | ||
| Wilmarth Lane Solar 1, LLC | San Francisco, CA | Independent Power Producer | 1 | 8.3 GWh | Dec 2024 | - | ||
| Wilmot Energy Center LLC | Juno Beach, FL | Independent Power Producer | 1 | 293.5 GWh | Mar 2026 | Sep 2025 | $2.67M | |
| Wilton Wind Energy I, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $1.21M | ||
| Wilton Wind Energy II, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $2.36M | ||
| Wilton Wind II LLC | Juno Beach, FL | Independent Power Producer | 1 | 219.6 GWh | Dec 2024 | Oct 2019 | ||
| Wilzig Associates, LLC | Woodbridge, NJ | Commercial | 1 | 1.2 GWh | Dec 2024 | - | ||
| Wind Capital Holdings, LLC | Baltimore, MD | Independent Power Producer | 1 | 219.7 GWh | Mar 2026 | Sep 2025 | $2.12M | |
| Wind Colebrook South | Colebrook, CT | Independent Power Producer | 1 | 12.2 GWh | Feb 2026 | - | ||
| Wind Gem, LLC | Greenfield, IA | Independent Power Producer | 1 | 5.6 GWh | Dec 2024 | - | ||
| Wind Stream Operations LLC | Techachapi, CA | Independent Power Producer | 4 | 39.6 GWh | Dec 2024 | - | ||
| Wind Stream Properties, LLC | Santa Rosa, CA | - | - | - | Oct 2025 | $299.47k | ||
| Wind Wall 1 LLC | La Jolla, CA | Independent Power Producer | 2 | 177.3 GWh | Dec 2024 | Sep 2025 | $2.13M | |
| Windcurrent Farms LLC | Independent Power Producer | 1 | 5.6 GWh | Dec 2024 | - | |||
| Windhub Solar A, LLC | San Francisco, CA | Independent Power Producer | - | - | - | Sep 2025 | $635.92k | |
| Windpower Partners 1993, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $4.20M | ||
| Windsor Machinery Co Inc | Hopewell Junction, NY | Independent Power Producer | 1 | 8.5 GWh | Dec 2024 | - | ||
| Windstar Energy LLC | Tehachapi, CA | Independent Power Producer | - | - | Dec 2013 | Sep 2025 | $10.19M | |
| Windy Flats Partners LLC | Centerville, WA | Independent Power Producer | 1 | 695.8 GWh | Dec 2024 | Jun 2024 | ||
| Winfield Solar I, LLC | Ontario | Independent Power Producer | 1 | 242.9 GWh | Mar 2026 | Oct 2025 | $2.98M | |
| Winnebago County | Oshkosh, WI | Municipally-Owned Utility | 1 | 9.8 GWh | Dec 2024 | - | ||
| Winona Garden LLC | Minneapolis, MN | Independent Power Producer | 1 | 2.1 GWh | Dec 2024 | - | ||
| Winona Solar I LLC | San Francisco, CA | Independent Power Producer | 1 | 2.6 GWh | Dec 2024 | - | ||
| Wiota Wind Energy, LLC #1 | Greenfield, IA | Independent Power Producer | 1 | 4.9 GWh | Dec 2024 | - | ||
| Wisconsin River Power Company | Milwaukee, WI | Investor-Owned Utility | 3 | 214.5 GWh | Dec 2024 | Mar 2017 | ||
| Wise County Power Company LLC | Independent Power Producer | 1 | 3.3 TWh | Mar 2026 | - | |||
| Wister Solar | Niland, CA | Independent Power Producer | 1 | 29.9 GWh | Dec 2024 | - | ||
| WM Illinois Renewable Energy LLC | Houston, TX | Commercial | 8 | 125.7 GWh | Dec 2024 | - | ||
| WM Renewable Energy LLC | Houston, TX | Industrial | 65 | 2.0 TWh | Mar 2026 | May 2020 | ||
| Wolf Creek Nuclear OPTG Corp | Burlington, KS | Investor-Owned Utility | 1 | 10.2 TWh | Mar 2026 | - | ||
| Wolf Hills Energy LLC | Bristol, VA | Independent Power Producer | - | - | Dec 2015 | Oct 2025 | $7.01M | |
| Wolf Hollow I Power, LLC | Granbury, TX | Independent Power Producer | 1 | 3.0 TWh | Mar 2026 | - | ||
| Wolf Run Energy LLC | Omaha, ME | Independent Power Producer | 1 | 50.3 GWh | Dec 2024 | Oct 2025 | $1.20M | |
| Wolf Run Solar LLC | Chapin, IL | Independent Power Producer | 1 | 341.8 GWh | Mar 2026 | Sep 2025 | $3.24M | |
| Wolf Solar LLC | New York, NY | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | - | ||
| Wolfcastle Solar, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| Wolfskin Solar, LLC | Chapel Hill, NC | Independent Power Producer | 1 | 87.3 GWh | Mar 2026 | Oct 2025 | $875.96k | |
| Wollan Garden LLC | Minneapolis, MN | Independent Power Producer | 1 | 1.3 GWh | Dec 2024 | - | ||
| Wolverine Creek Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $2.29M | ||
| Wolverine Solar, LLC | Boston, MA | Independent Power Producer | 1 | 2.2 GWh | Dec 2024 | - | ||
| Wolverine Wind Energy, LLC | Greenfield, IA | Independent Power Producer | 1 | 5.3 GWh | Dec 2024 | - | ||
| Wonderful Renewable Energy, LLC. | LOS Angeles, CA | Independent Power Producer | 13 | 131.9 GWh | Dec 2024 | - | ||
| Wood Hydro, LLC | Ivins, UT | Independent Power Producer | 3 | 33.6 GWh | Dec 2024 | - | ||
| Woodbridge Energy Center | Keasbey, NJ | Independent Power Producer | 1 | 4.2 TWh | Mar 2026 | - | ||
| Woodfields Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| Woodland Avenue Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 8.6 GWh | Dec 2024 | - | ||
| Woodland Biomass Power Ltd. | Detroit, MI | - | - | - | Oct 2025 | $4.76M | ||
| Woodland Pulp LLC | Baileyville, ME | Industrial | 1 | 415.0 GWh | Dec 2024 | Sep 2025 | $33.16k | |
| Woodlawn Solar II, LLC | San Francisco, CA | Independent Power Producer | 1 | 2.3 GWh | Dec 2024 | - | ||
| Woodlawn Solar, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| Woodline Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 15.4 GWh | Dec 2024 | - | ||
| Woods Hill Solar, LLC | Reno, NV | Independent Power Producer | 1 | 24.3 GWh | Mar 2026 | - | ||
| Woodward Energy Storage, LLC | Juno Beach, FL | Independent Power Producer | 1 | -9.5 GWh | Mar 2026 | Oct 2025 | $407.03k | |
| Workman Road Solar Farm, LLC | Santa Monica, CA | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Wright Solar Park LLC | Boise, ID | Independent Power Producer | 1 | 444.2 GWh | Mar 2026 | Sep 2025 | $5.30M | |
| Wyandot Solar LLC | New York, NY | Independent Power Producer | 1 | 11.4 GWh | Mar 2026 | - | ||
| Wyman Hill Solar, LLC | Schenectady, NY | Independent Power Producer | 1 | 5.9 GWh | Dec 2024 | - | ||
| WYSE Fork Solar Farm, LLC | Asheville, NC | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| X-ELIO North America Inc | Washington, DC | Independent Power Producer | 1 | 175.6 GWh | Mar 2026 | - | ||
| Xeres Ventures LLC | Santa Clara, CA | Commercial | 1 | 405.0 MWh | Mar 2026 | - | ||
| XO Energy SW, LP | Landenberg, PA | - | - | - | Jun 2025 | $613.07k | ||
| XOOM Energy, LLC | Princeton, NJ | - | - | - | Oct 2025 | $15.33M | ||
| XPLR Infrastructure Bluff Point, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $3.83M | ||
| XPLR Infrastructure Montezuma II Wind, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $6.79M | ||
| Yadkin 601 Farm, LLC | Boston, MA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Yankee Street, LLC | Washington, DC | - | - | - | Oct 2025 | $2.90M | ||
| Yaphank Fuel Cell Park, LLC | Danbury, CT | Independent Power Producer | 1 | 58.7 GWh | Dec 2024 | Sep 2025 | $2.21M | |
| Yards Creek Energy | Blairstown, NJ | Independent Power Producer | 1 | -249.8 GWh | Mar 2026 | Oct 2025 | $14.09M | |
| YAVI Energy LLC | Sudbury, MA | Independent Power Producer | - | - | Dec 2017 | Oct 2025 | $204.18k | |
| Yellow Jacket Energy, LLC | Lincoln University, PA | - | - | - | Sep 2025 | $230.78k | ||
| Yellow Pine Solar II, LLC | Juno Beach, FL | Independent Power Producer | 1 | 402.5 GWh | Mar 2026 | Sep 2025 | $7.93M | |
| Yellow Pine Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 407.2 GWh | Mar 2026 | Sep 2025 | $4.38M | |
| Yellowbud Solar LLC | Bloomington, MN | Independent Power Producer | 1 | 543.2 GWh | Mar 2026 | Oct 2025 | $6.86M | |
| Yellowstone Energy LP | Boise, ID | Independent Power Producer | 1 | 492.3 GWh | Mar 2026 | - | ||
| YOLO County Community Services Department | Woodland, CA | Political Subdivision | 1 | 18.6 GWh | Dec 2024 | - | ||
| YOLO County Of | Woodland, CA | Municipally-Owned Utility | 3 | 44.5 GWh | Mar 2026 | - | ||
| York County Solid W & R AUTH | York, PA | Political Subdivision | 1 | 246.5 GWh | Mar 2026 | - | ||
| York Haven Power Company LLC | Morristown, NJ | Independent Power Producer | - | - | Dec 2020 | Oct 2025 | $1.50M | |
| Young Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.8 TWh | Mar 2026 | - | ||
| YUBA City Cogeneration Partners, LP | Sacramento, CA | - | - | - | Sep 2025 | $1.53M | ||
| Yuhaaviatam Of San Manuel Nation | Highland, CA | Political Subdivision | 1 | 30.0 GWh | Dec 2024 | - | ||
| YUMA Cogeneration Associates | YUMA, AZ | - | - | - | Sep 2025 | $3.37M | ||
| YUMA County Water User's Association | Somerton, AZ | Independent Power Producer | 1 | 12.4 GWh | Dec 2024 | - | ||
| YUMA Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $5.05M | ||
| Zephyr Wind LLC | Boulder, CO | Commercial | - | - | Dec 2018 | Sep 2025 | $904.25k | |
| Zero Waste Energy Development Company LLC | San Jose, CA | Industrial | 1 | 2.0 GWh | Dec 2024 | - | ||
| Zion Energy LLC | Zion, IL | Independent Power Producer | 1 | 371.3 GWh | Dec 2024 | Oct 2025 | $259.64k | |
| Zumbro Garden LLC | Kasson, MN | Independent Power Producer | 1 | 1.7 GWh | Dec 2024 | - | ||
| Zumbro Solar LLC | Denver, CO | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Fort Hays State University | Hays, KS | State-Owned Utility | 1 | 13.8 GWh | Dec 2024 | - | ||
| Fort Miller Associates | Clifton Park, NY | Independent Power Producer | 1 | 16.7 GWh | Dec 2024 | - | ||
| Fort Pierce Utilities Authority | Fort Pierce, FL | Municipally-Owned Utility | 2 | 1.6 TWh | Jan 2026 | - | ||
| Fort Rock Solar I LLC | Independent Power Producer | 1 | 25.2 GWh | Dec 2024 | - | |||
| Fort Rock Solar IV LLC | Jersey City, NJ | Independent Power Producer | 1 | 24.5 GWh | Dec 2024 | - |
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 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Mar 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Mar 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Mar 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Mar 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Mar 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Mar 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | Mar 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Mar 2026 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Mar 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Mar 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Mar 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Mar 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Mar 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Mar 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Mar 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Mar 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Mar 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Mar 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Mar 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Mar 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Mar 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Mar 2026 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Mar 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Mar 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Mar 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Mar 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Mar 2026 | Subbituminous Coal : 75.0% Bituminous Coal : 16.0% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Mar 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Mar 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Mar 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Mar 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Mar 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Mar 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Mar 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 16 TWh | Nov 1972 | Mar 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Mar 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Mar 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | Mar 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Mar 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Mar 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Mar 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Mar 2026 | Nuclear : 68.1% Natural Gas : 31.9% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Mar 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Mar 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Mar 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Mar 2026 | Natural Gas |