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 |
|---|---|---|---|---|---|---|---|---|
| Wisconsin Electric Power Co | Milwaukee, WI | Investor-Owned Utility | 53 | 22.1 TWh | Feb 2026 | Oct 2025 | $198.65M | $157.00M |
| Wisconsin Power & Light Co | Madison, WI | Investor-Owned Utility | 38 | 21.1 TWh | Feb 2026 | Oct 2025 | $167.64M | $10.83M |
| Wisconsin Public Service Corp | Milwaukee, WI | Investor-Owned Utility | 32 | 10.9 TWh | Feb 2026 | Oct 2025 | $116.51M | $4.09k |
| Wolf Creek Nuclear OPTG Corp | Burlington, KS | Investor-Owned Utility | 1 | 10.1 TWh | Feb 2026 | - | ||
| Waterford Power, LLC | Waterford, OH | Independent Power Producer | 1 | 5.8 TWh | Feb 2026 | Oct 2025 | $23.36M | |
| Woodbridge Energy Center | Keasbey, NJ | Independent Power Producer | 1 | 4.2 TWh | Feb 2026 | - | ||
| Westlake 2 US LLC | Houston, TX | Industrial | 5 | 4.1 TWh | Feb 2026 | Feb 2023 | ||
| Westbrook Energy Center | Houston, TX | Independent Power Producer | 1 | 3.8 TWh | Feb 2026 | Oct 2025 | $3.93M | |
| Wise County Power Company LLC | Independent Power Producer | 1 | 3.4 TWh | Feb 2026 | - | |||
| Western Farmers ELEC Coop, Inc | Anadarko, OK | Cooperative | 10 | 3.3 TWh | Feb 2026 | - | ||
| Wheelabrator Environmental Systems | Portsmouth, NH | Commercial | 18 | 3.3 TWh | Feb 2026 | Jun 2022 | ||
| Wolf Hollow I Power, LLC | Granbury, TX | Independent Power Producer | 1 | 3.1 TWh | Feb 2026 | - | ||
| WM Renewable Energy LLC | Houston, TX | Industrial | 65 | 2.0 TWh | Feb 2026 | May 2020 | ||
| White Mesa Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.9 TWh | Feb 2026 | - | ||
| Westlake Chemicals & VInyls LLC | Plaquemine, LA | Industrial | 1 | 1.6 TWh | Feb 2026 | Oct 2025 | $3.94M | |
| Westlands Solar Blue (Oz) Owner, LLC | |Independent Power Producer | 1 | 1.3 TWh | Feb 2026 | Oct 2025 | $5.65M | $3.24M | |
| Wild Plains Wind Project, LLC | Juno Beach, CA | Independent Power Producer | 1 | 1.2 TWh | Feb 2026 | Sep 2025 | $10.69M | |
| Walleye Power, LLC | Oregon, OH | Independent Power Producer | 1 | 1.1 TWh | Dec 2024 | Oct 2025 | $11.56M | |
| WACO Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 972.4 GWh | Feb 2026 | - | ||
| Willow Springs Windfarm, LLC | Austin, TX | Independent Power Producer | 1 | 938.7 GWh | Feb 2026 | - | ||
| White Cloud Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 892.7 GWh | Feb 2026 | Sep 2025 | $4.42M | |
| Wolverine Power Supply Coop | Cadillac, MI | Cooperative | 8 | 855.5 GWh | Dec 2024 | Oct 2025 | $173.23M | $44.03M |
| Waverly Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 849.4 GWh | Dec 2024 | Sep 2025 | $4.49M | |
| Washington County Solar, LLC | Juno Beach, FL | Independent Power Producer | 2 | 843.2 GWh | Feb 2026 | Sep 2025 | $1.86M | |
| Westrock Corp | Covington, VA | Industrial | 1 | 807.4 GWh | Feb 2026 | - | ||
| White Rock Wind East, LLC | Centralia, WA | Independent Power Producer | 1 | 758.1 GWh | Feb 2026 | Oct 2025 | $1.01M | |
| Wildorado Wind, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 741.8 GWh | Dec 2024 | Sep 2025 | $5.93M | |
| Wildcat Ranch Wind Project, LLC | Juno Beach, FL | Independent Power Producer | 1 | 709.5 GWh | Feb 2026 | Sep 2025 | $3.50M | |
| Wheatridge Wind Holdings, LLC | Juno Beach, FL | Independent Power Producer | 1 | 700.7 GWh | Feb 2026 | - | ||
| Windy Flats Partners LLC | Centerville, WA | Independent Power Producer | 1 | 695.8 GWh | Dec 2024 | Jun 2024 | ||
| Wadley Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 664.3 GWh | Feb 2026 | Sep 2025 | $3.67M | |
| Willow Creek Wind Power LLC | Juno Beach, FL | Independent Power Producer | 2 | 661.4 GWh | Feb 2026 | Oct 2025 | $1.66M | |
| Wabash Valley Power Assn, Inc | Indianapolis, IN | Cooperative | 9 | 635.2 GWh | Feb 2026 | - | ||
| Westrock, Fernandina Beach | Fernandina Beach, FL | Industrial | 2 | 622.1 GWh | Feb 2026 | - | ||
| Westlake Chemical Natrium Plant | Proctor, WV | Industrial | 1 | 620.5 GWh | Feb 2026 | - | ||
| West Deptford Energy LLC | East Brunswick, NJ | Independent Power Producer | 1 | 614.1 GWh | Feb 2026 | Sep 2025 | $9.02M | |
| Westrock-West Point Mill | West Point, VA | Industrial | 1 | 593.6 GWh | Feb 2026 | - | ||
| White Creek Wind 1 LLC | Seattle, WA | Independent Power Producer | 1 | 590.8 GWh | Dec 2024 | - | ||
| Westrock (La) | Norcross, GA | Municipally-Owned Utility | 1 | 509.6 GWh | Dec 2024 | - | ||
| Walleye Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 509.0 GWh | Feb 2026 | Sep 2025 | $2.63M | |
| West Texas Solar Project II LLC | New York, NY | Independent Power Producer | 1 | 484.0 GWh | Feb 2026 | - | ||
| Wildcat Creek Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 481.1 GWh | Feb 2026 | - | ||
| Westrock-Florence | Norcross, GA | Industrial | 1 | 471.9 GWh | Feb 2026 | - | ||
| Western Minnesota Mun PWR AGNY | Sioux Falls, SD | Political Subdivision | 4 | 463.2 GWh | Feb 2026 | - | ||
| Westrock (TX) | Glen Allen, VA | Industrial | 1 | 451.2 GWh | Dec 2024 | - | ||
| Wright Solar Park LLC | Boise, ID | Independent Power Producer | 1 | 426.7 GWh | Feb 2026 | Sep 2025 | $5.30M | |
| Woodland Pulp LLC | Baileyville, ME | Industrial | 1 | 415.0 GWh | Dec 2024 | Sep 2025 | $33.16k | |
| White Oak Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 414.9 GWh | Dec 2024 | Sep 2025 | $6.23M | |
| White Rock Wind West, LLC | Centralia, WA | Independent Power Producer | 1 | 397.4 GWh | Feb 2026 | Oct 2025 | $1.36M | |
| Westrock Mill Company, LLC | Demopolis, AL | Industrial | 1 | 338.5 GWh | Dec 2024 | - | ||
| Wheatridge East Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 335.3 GWh | Feb 2026 | Sep 2025 | $354.44k | |
| Wolf Run Solar LLC | Chapin, IL | Independent Power Producer | 1 | 334.9 GWh | Feb 2026 | Sep 2025 | $3.24M | |
| West Line Solar, LLC | Salt Lake City, UT | Independent Power Producer | 1 | 286.9 GWh | Dec 2024 | Sep 2025 | $2.03M | |
| Wilmot Energy Center LLC | Juno Beach, FL | Independent Power Producer | 1 | 285.3 GWh | Feb 2026 | Sep 2025 | $2.67M | |
| Willow Spring Solar LLC | New York, NY | Independent Power Producer | 1 | 260.5 GWh | Feb 2026 | - | ||
| Wessington Wind | Juno Beach, FL | Independent Power Producer | 1 | 245.8 GWh | Feb 2026 | Oct 2019 | ||
| Weaver Wind, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 228.7 GWh | Dec 2024 | Sep 2025 | $2.02M | |
| Wilton Wind II LLC | Juno Beach, FL | Independent Power Producer | 1 | 219.6 GWh | Dec 2024 | Oct 2019 | ||
| Winfield Solar I, LLC | Ontario | Independent Power Producer | 1 | 218.7 GWh | Feb 2026 | Oct 2025 | $2.98M | |
| Wapello Solar LLC | Boise, ID | Independent Power Producer | 1 | 217.3 GWh | Feb 2026 | Sep 2025 | $1.91M | |
| Waverly Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 216.2 GWh | Feb 2026 | Oct 2025 | $3.78M | |
| Westrock Kraft Paper, LLC | Roanoke Rapids, NC | Industrial | 1 | 215.4 GWh | Feb 2026 | - | ||
| Wisconsin River Power Company | Milwaukee, WI | Investor-Owned Utility | 3 | 214.5 GWh | Dec 2024 | Mar 2017 | ||
| Wind Capital Holdings, LLC | Baltimore, MD | Independent Power Producer | 1 | 214.0 GWh | Feb 2026 | Sep 2025 | $2.12M | |
| Walnut Bend Solar Station | MORO, AR | Investor-Owned Utility | 1 | 208.1 GWh | Jan 2026 | - | ||
| Wheat Field Wind Power Project LLC | Houston, TX | Independent Power Producer | 1 | 205.4 GWh | Dec 2024 | Sep 2025 | $5.64M | |
| White Pine Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 201.3 GWh | Dec 2024 | Sep 2025 | $3.01M | |
| Westrock Southeast, LLC | Dublin, GA | Industrial | 1 | 199.0 GWh | Feb 2026 | - | ||
| Whitetail Wind Energy, LLC | Baltimore, MD | Independent Power Producer | 1 | 178.9 GWh | Dec 2024 | - | ||
| Wind Wall 1 LLC | La Jolla, CA | Independent Power Producer | 2 | 177.3 GWh | Dec 2024 | Sep 2025 | $2.13M | |
| Whitney Hill Wind Power LLC | Andover, MA | Independent Power Producer | 1 | 156.0 GWh | Feb 2026 | Oct 2025 | $1.05M | |
| Westrock Seminole | Norcross, GA | Commercial | 1 | 149.9 GWh | Dec 2024 | - | ||
| Wadham Energy Ltd Partners | San Ramon, CA | Independent Power Producer | 1 | 147.6 GWh | Dec 2024 | Jun 2025 | $109.98k | |
| White Oak Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 147.5 GWh | Dec 2024 | Sep 2025 | $2.06M | |
| Wonderful Renewable Energy, LLC. | LOS Angeles, CA | Independent Power Producer | 13 | 131.9 GWh | Dec 2024 | - | ||
| WM Illinois Renewable Energy LLC | Houston, TX | Commercial | 8 | 125.7 GWh | Dec 2024 | - | ||
| WCAC Operating Company | Bakersfield, CA | Independent Power Producer | 9 | 123.5 GWh | Feb 2026 | - | ||
| Whirlwind Energy LLC | Independent Power Producer | 1 | 112.4 GWh | Dec 2024 | - | |||
| Wheatsborough Solar, LLC | Charlottesville, VA | Independent Power Producer | 1 | 110.1 GWh | Feb 2026 | Sep 2025 | ||
| Waipio PV, LLC | Princeton, NJ | Independent Power Producer | 1 | 103.7 GWh | Feb 2026 | - | ||
| Wallenpuapack Hydro | Queensbury, NY | Independent Power Producer | 1 | 99.8 GWh | Dec 2024 | - | ||
| Wallingford Energy LLC | St Louis, MO | Independent Power Producer | 1 | 99.7 GWh | Dec 2024 | Sep 2025 | $10.05M | |
| White Springs Agrici Chem Inc | White Springs, FL | Industrial | 2 | 96.4 GWh | Feb 2026 | - | ||
| Washington County Power | Sandersville, GA | Independent Power Producer | - | 92.9 GWh | Dec 2023 | Sep 2025 | $5.79M | |
| Wolfskin Solar, LLC | Chapel Hill, NC | Independent Power Producer | 1 | 85.3 GWh | Feb 2026 | Oct 2025 | $875.96k | |
| Whitehorn Solar, LLC | Houston, TX | Independent Power Producer | 1 | 84.3 GWh | Feb 2026 | Sep 2025 | $848.68k | |
| Westbound Solar LLC | Charlotte, NC | Independent Power Producer | 22 | 80.2 GWh | Dec 2024 | - | ||
| Western Michigan University | Kalamazoo, MI | Commercial | 1 | 76.8 GWh | Dec 2024 | - | ||
| Warm Springs Power Enterprises | Warm Springs, OR | Independent Power Producer | 1 | 67.1 GWh | Dec 2024 | - | ||
| Web Silver Maple Wind LLC | Natick, MA | Independent Power Producer | 1 | 64.4 GWh | Dec 2024 | Sep 2025 | $506.84k | |
| Westbound Solar 3, LLC | San LUIS Obispo, CA | Independent Power Producer | 13 | 63.8 GWh | Dec 2024 | - | ||
| White River Hydroelectric | Batesville, AR | Independent Power Producer | - | 61.6 GWh | Dec 2023 | - | ||
| Wildcat Wind, LLC | Baltimore, MD | Independent Power Producer | 1 | 61.0 GWh | Dec 2024 | Sep 2025 | $733.97k | |
| W&T Offshore Inc | Coden, AL | Industrial | 2 | 60.2 GWh | Dec 2024 | - | ||
| Westside Solar, LLC | Juno Beach, FL | Independent Power Producer | 2 | 59.8 GWh | Dec 2024 | Sep 2025 | $472.70k | |
| Waiawa Solar Power LLC | San Francisco, CA | Independent Power Producer | 1 | 58.1 GWh | Feb 2026 | - | ||
| Washington Electric Coop - (VT) | East Montpelier, VT | Cooperative | 2 | 55.8 GWh | Dec 2024 | - | ||
| Wellhead Services, Inc | Sacramento, CA | Independent Power Producer | 16 | 54.7 GWh | Feb 2026 | - | ||
| Wolf Run Energy LLC | Omaha, ME | Independent Power Producer | 1 | 50.3 GWh | Dec 2024 | Oct 2025 | $1.20M | |
| Westmoreland County Solar Project, LLC | Irvington, NY | Independent Power Producer | 1 | 46.5 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 | Feb 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Feb 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Feb 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Feb 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Feb 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Feb 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Feb 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Feb 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Feb 2026 | Nuclear |
| Catawba | York, South Carolina | 20 TWh | May 1985 | Feb 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Feb 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Feb 2026 | Natural Gas : 71.2% Bituminous Coal : 28.6% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Feb 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 17 TWh | Jul 1975 | Feb 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Feb 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Feb 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Feb 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Feb 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Feb 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Feb 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Feb 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Feb 2026 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Feb 2026 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Feb 2026 | Subbituminous Coal |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Feb 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Feb 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Feb 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Feb 2026 | Subbituminous Coal : 74.7% Bituminous Coal : 16.2% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Feb 2026 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Feb 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Feb 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Feb 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Feb 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Feb 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Feb 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Feb 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Feb 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Feb 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Feb 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Feb 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Feb 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Feb 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Feb 2026 | Nuclear : 67.9% Natural Gas : 32.1% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Feb 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Feb 2026 | Subbituminous Coal : 83.0% Natural Gas : 17.0% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Feb 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Feb 2026 | Natural Gas : 99.9% |