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 |
|---|---|---|---|---|---|---|---|---|
| Western Area Power Administration | Lakewood, CO | - | - | - | Oct 2025 | $43.20M | $318.33M | |
| Wisconsin Electric Power Co | Milwaukee, WI | Investor-Owned Utility | 61 | 22.5 TWh | May 2026 | Oct 2025 | $198.65M | $157.00M |
| Wabash Valley Power Association, Inc. | Indianapolis, IN | - | - | - | Oct 2025 | $100.51M | $75.67M | |
| WPPI Energy | Sun Prairie, WI | Municipally-Owned Utility | 2 | 21.1 GWh | Dec 2025 | Oct 2025 | $53.67M | $44.97M |
| Wolverine Power Supply Coop | Cadillac, MI | Cooperative | 8 | 1.2 TWh | Dec 2025 | Oct 2025 | $173.23M | $44.03M |
| Western Farmers Electric Cooperative | Anadarko, OK | - | - | - | Oct 2025 | $65.34M | $43.35M | |
| Walton Electric Member Corp | Monroe, GA | Cooperative | 2 | 6.7 GWh | Dec 2024 | Sep 2025 | $39.27M | |
| WGP Redwood Holdings, LLC | Birmingham, AL | - | - | - | Sep 2025 | $20.66M | $20.66M | |
| Wisconsin Power & Light Co | Madison, WI | Investor-Owned Utility | 38 | 21.8 TWh | May 2026 | Oct 2025 | $167.64M | $10.83M |
| Westlake US 2 LLC | Houston, TX | - | - | - | Oct 2025 | $13.99M | $3.58M | |
| Westlands Solar Blue, LLC | LOS Angeles, CA | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Oct 2025 | $5.65M | $3.24M |
| Western Massachusetts Electric Company | West Springfield, MA | Investor-Owned Utility | 3 | 8.8 GWh | May 2026 | Sep 2025 | $2.82M | |
| Willow Creek Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $2.66M | $130.39k | |
| Wadham Energy LP | Williams, CA | Independent Power Producer | 1 | 161.9 GWh | Dec 2025 | Jun 2025 | $109.98k | |
| Washington Wind LLC | Goldendale, WA | Independent Power Producer | 1 | 379.0 GWh | Dec 2025 | Sep 2025 | $10.44M | $24.28k |
| Wisconsin Public Service Corp | Milwaukee, WI | Investor-Owned Utility | 32 | 11.1 TWh | May 2026 | Oct 2025 | $116.51M | $4.09k |
| W&T Offshore Inc | Coden, AL | Industrial | 2 | 57.3 GWh | Dec 2025 | - | ||
| Wabash Valley Power Assn, Inc | Indianapolis, IN | Cooperative | 9 | 480.2 GWh | May 2026 | - | ||
| Wabasha Holdco LLC | Princeton, NJ | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| Wabasha Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 5.9 GWh | Dec 2025 | - | ||
| Wachusett Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| WACO Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 898.1 GWh | May 2026 | - | ||
| Wadley Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 681.5 GWh | May 2026 | Sep 2025 | $3.67M | |
| Waiawa Solar Power LLC | San Francisco, CA | Independent Power Producer | 1 | 58.1 GWh | May 2026 | - | ||
| Waihonu North LLC | Lahaina, HI | Independent Power Producer | - | 4.8 GWh | Dec 2024 | - | ||
| Waihonu South LLC | Lahaina, HI | Independent Power Producer | - | 1.4 GWh | Dec 2024 | - | ||
| Wailuku Holding Company LLC | DES Moines, IA | Independent Power Producer | 1 | 27.5 GWh | May 2026 | - | ||
| Waipio PV, LLC | Princeton, NJ | Independent Power Producer | 1 | 100.5 GWh | May 2026 | - | ||
| Wakefield Bess 1 LLC | Arlington, VA | - | - | - | Oct 2025 | $27.96k | ||
| Walden Ny 1, LLC | Louisville, CO | Independent Power Producer | 1 | 3.0 GWh | Dec 2025 | - | ||
| Walden Solar Maine V LLC | Boston, MA | Independent Power Producer | 1 | 36.0 GWh | Dec 2025 | - | ||
| Wallenpuapack Hydro | Queensbury, NY | Independent Power Producer | 1 | 68.9 GWh | Dec 2025 | - | ||
| Walleye Power, LLC | Oregon, OH | Independent Power Producer | 1 | 1.1 TWh | Dec 2024 | Oct 2025 | $11.56M | |
| Walleye Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 496.3 GWh | May 2026 | Sep 2025 | $2.63M | |
| Wallingford Energy LLC | St Louis, MO | Independent Power Producer | 1 | 109.5 GWh | Dec 2025 | Sep 2025 | $10.05M | |
| Wallingford Renewable Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 16.2 GWh | Dec 2025 | Sep 2025 | $364.14k | |
| Walmart Stores Texas, LLC | Dallas, TX | Commercial | 90 | 28.0 GWh | Dec 2025 | - | ||
| Walnut Creek Energy, LLC | Houston, TX | - | - | - | Oct 2025 | $11.86M | ||
| Walnut Creek LLC | City Of Industry, CA | Independent Power Producer | 1 | 40.3 GWh | May 2026 | - | ||
| Walnut Ridge Wind, LLC | Edina, MN | Independent Power Producer | - | - | - | Oct 2025 | $10.25M | |
| Walpole Solar 2, LLC | Jersey City, NJ | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| Walton Solar | Monroe, GA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Wapello Solar LLC | Boise, ID | Independent Power Producer | 1 | 222.5 GWh | May 2026 | Sep 2025 | $1.91M | |
| Wappinger 9D Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Wapsipinicon Wind Project, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $5.34M | ||
| Ware Palmer Road Solar LLC | Denver, CO | Independent Power Producer | 1 | 5.1 GWh | Dec 2024 | - | ||
| Warm Springs Power Enterprises | Warm Springs, OR | Independent Power Producer | 1 | 67.1 GWh | Dec 2024 | - | ||
| Warren Generation, LLC | Chicago, IL | Independent Power Producer | 1 | 11.4 GWh | Dec 2025 | Oct 2025 | $589.51k | |
| Warrenton Solar I LLC | Charlotte, NC | Independent Power Producer | - | 7.8 GWh | Dec 2024 | - | ||
| Warrior Solar Partners, LLC | New York, NY | Independent Power Producer | 1 | 6.9 GWh | Dec 2025 | - | ||
| Wasatch VIew Solar LLC | Toronto, ON | Independent Power Producer | 1 | 1.1 GWh | Dec 2025 | - | ||
| Washington CNTY WTR Consv DIST | St George, UT | Political Subdivision | 1 | 7.9 GWh | May 2026 | - | ||
| Washington County Power | Sandersville, GA | Independent Power Producer | - | - | Dec 2023 | Sep 2025 | $5.79M | |
| Washington County Solar, LLC | Juno Beach, FL | Independent Power Producer | 2 | 860.2 GWh | May 2026 | Sep 2025 | $1.86M | |
| Washington Electric Coop - (VT) | East Montpelier, VT | Cooperative | 2 | 61.8 GWh | Dec 2025 | - | ||
| Washington Power Generation LLC | Irving, TX | - | - | - | Oct 2025 | $8.48M | ||
| Washingtonville Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| Waste Management Inc | Pen Argyl, PA | Independent Power Producer | 4 | 33.7 GWh | Dec 2025 | - | ||
| Water Strider Solar, LLC | Valhalla, NY | - | - | - | Oct 2025 | $1.76M | ||
| Waterbury Generation LLC | Bethesda, MD | - | - | - | Sep 2025 | $4.97M | ||
| Waterford Holdco LLC | Princeton, NJ | Independent Power Producer | 1 | 4.6 GWh | Dec 2025 | - | ||
| Waterford Power, LLC | Waterford, OH | Independent Power Producer | 1 | 6.6 TWh | May 2026 | Oct 2025 | $23.36M | |
| Waterford Solar LLC | New York, NY | Independent Power Producer | 1 | 1.4 GWh | Dec 2025 | - | ||
| Watershed Hydropower Corp | Saranac Lake, NY | Independent Power Producer | 1 | 4.9 GWh | Dec 2025 | - | ||
| Waterside Power, LLC | Houston, TX | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | Sep 2025 | $427.11k | |
| Watervliet, City Of - (Ny) | Watervliet, NY | Municipally-Owned Utility | 1 | 448.0 MWh | Oct 2025 | - | ||
| Watkins Manufacturing Corporation | Vista, CA | Industrial | 1 | 8.3 GWh | May 2026 | - | ||
| Watlington Solar, LLC | Valhalla, NY | - | - | - | Oct 2025 | $455.32k | ||
| Waverly Municipal ELEC Utility - (Ia) | Waverly, IA | Municipally-Owned Utility | 5 | 4.2 GWh | Dec 2025 | - | ||
| Waverly Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 228.8 GWh | May 2026 | Oct 2025 | $3.78M | |
| Waverly Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 766.8 GWh | Dec 2025 | Sep 2025 | $4.49M | |
| Wayne Solar I, LLC | Jersey City, NJ | Independent Power Producer | 1 | 976.0 MWh | Oct 2025 | - | ||
| Wayne Solar II, LLC | Jersey City, NJ | Independent Power Producer | 1 | 2.1 GWh | Dec 2025 | - | ||
| Wayne Solar III, LLC | Jersey City, NJ | Independent Power Producer | 1 | 4.2 GWh | Dec 2025 | - | ||
| WCAC Operating Company | Bakersfield, CA | Independent Power Producer | 9 | 90.7 GWh | May 2026 | - | ||
| We Soda Alkali | Green River, WY | Industrial | 1 | 282.2 GWh | Dec 2024 | - | ||
| Weaver Solar | Jersey City, NJ | Independent Power Producer | 1 | 4.4 GWh | Dec 2025 | - | ||
| Weaver Wind, LLC (Longroad) | Boston, MA | Independent Power Producer | - | 228.7 GWh | Dec 2024 | Sep 2025 | $2.02M | |
| Web Brimfield Solar LLC | Boston, MA | Independent Power Producer | 1 | 3.3 GWh | Dec 2025 | - | ||
| Web Brookfield Solar LLC | Boston, MA | Independent Power Producer | 1 | 5.9 GWh | Dec 2025 | - | ||
| Web Silver Maple Wind LLC | Boston, MA | Independent Power Producer | 1 | 70.1 GWh | Dec 2025 | Sep 2025 | $506.84k | |
| Weber Basin Water Conserv DIST | Layton, UT | Political Subdivision | 3 | 16.7 GWh | Dec 2025 | - | ||
| Webster Holdco LLC | Webster, MN | Independent Power Producer | 1 | 7.9 GWh | Dec 2025 | - | ||
| Wed Coventry Four, LLC | Cranston, RI | Independent Power Producer | 1 | 2.9 GWh | Dec 2025 | - | ||
| Wed Coventry One, LLC | Cranston, RI | Independent Power Producer | 1 | 3.0 GWh | Dec 2025 | - | ||
| Wed Coventry Seven, LLC | Cranston, RI | Independent Power Producer | 1 | 5.1 GWh | Dec 2025 | - | ||
| Wed Coventry Three, LLC | Cranston, RI | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| Wed Coventry Two, LLC | Cranston, RI | Independent Power Producer | 1 | 9.8 GWh | May 2026 | - | ||
| Wed Green Hill, LLC | Cranston, RI | Independent Power Producer | 1 | 6.5 GWh | May 2026 | - | ||
| Wed NK Green LLC | Cranston, RI | Independent Power Producer | 1 | 2.9 GWh | Dec 2025 | - | ||
| Wed Plainfield II, LLC | Cranston, RI | Independent Power Producer | 1 | 8.3 GWh | Dec 2025 | - | ||
| Wed Plainfield III, LLC | Cranston, RI | Independent Power Producer | 1 | 7.8 GWh | Dec 2025 | - | ||
| Wed Plainfield, LLC | Cranston, RI | Independent Power Producer | 1 | 7.8 GWh | Dec 2025 | - | ||
| Wed Shun I, LLC | Cranston, RI | Independent Power Producer | 1 | 7.8 GWh | May 2026 | - | ||
| Wed Shun II, LLC | Cranston, RI | Independent Power Producer | 1 | 8.0 GWh | Dec 2025 | - | ||
| Wed Shun III, LLC | Cranston, RI | Independent Power Producer | 1 | 8.5 GWh | Dec 2025 | - | ||
| Wellesley Bess LLC | Boston, MA | - | - | - | Oct 2025 | $96.87k | ||
| Wellesley College | Wellesley, MA | Independent Power Producer | 1 | 9.7 GWh | Dec 2025 | - | ||
| Wellhead Power Panoche, LLC | Sacramento, CA | - | - | - | Sep 2025 | $1.49M | ||
| Wellhead Services, Inc | Sacramento, CA | Independent Power Producer | 16 | 47.2 GWh | May 2026 | - |
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 |