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 | Oct 2025 | Oct 2025 | $198.65M | $157.00M |
| Wisconsin Power & Light Co | Madison, WI | Investor-Owned Utility | 38 | 21.1 TWh | Oct 2025 | Oct 2025 | $167.64M | $10.83M |
| Wisconsin Public Service Corp | Milwaukee, WI | Investor-Owned Utility | 32 | 10.9 TWh | Oct 2025 | Oct 2025 | $116.51M | $4.09k |
| Wolf Creek Nuclear OPTG Corp | Burlington, KS | Investor-Owned Utility | 1 | 10.6 TWh | Oct 2025 | - | ||
| Waterford Power, LLC | Waterford, OH | Independent Power Producer | 1 | 5.5 TWh | Oct 2025 | Oct 2025 | $23.36M | |
| Westlake 2 US LLC | Houston, TX | Industrial | 5 | 4.1 TWh | Oct 2025 | Feb 2023 | ||
| Woodbridge Energy Center | Keasbey, NJ | Independent Power Producer | 1 | 4.0 TWh | Oct 2025 | - | ||
| Wolf Hollow I Power, LLC | Granbury, TX | Independent Power Producer | 1 | 3.6 TWh | Oct 2025 | - | ||
| Western Farmers ELEC Coop, Inc | Anadarko, OK | Cooperative | 10 | 3.3 TWh | Oct 2025 | - | ||
| Wheelabrator Environmental Systems | Portsmouth, NH | Commercial | 18 | 3.3 TWh | Oct 2025 | Jun 2022 | ||
| Wise County Power Company LLC | Independent Power Producer | 1 | 3.2 TWh | Oct 2025 | - | |||
| Westbrook Energy Center | Houston, TX | Independent Power Producer | 1 | 3.1 TWh | Oct 2025 | Oct 2025 | $3.93M | |
| White Mesa Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 2.0 TWh | Oct 2025 | - | ||
| WM Renewable Energy LLC | Houston, TX | Industrial | 65 | 2.0 TWh | Oct 2025 | May 2020 | ||
| Westlake Chemicals & VInyls LLC | Plaquemine, LA | Industrial | 1 | 1.6 TWh | Oct 2025 | Oct 2025 | $3.94M | |
| 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 | 1.0 TWh | Oct 2025 | - | ||
| Willow Springs Windfarm, LLC | Austin, TX | Independent Power Producer | 1 | 933.4 GWh | Oct 2025 | - | ||
| White Cloud Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 911.6 GWh | Oct 2025 | Sep 2025 | $4.42M | |
| Wolverine Power Supply Coop | Cadillac, MI | Cooperative | 8 | 855.5 GWh | Dec 2024 | Oct 2025 | $173.23M | $44.03M |
| Washington County Solar, LLC | Juno Beach, FL | Independent Power Producer | 2 | 851.7 GWh | Oct 2025 | Sep 2025 | $1.86M | |
| Waverly Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 849.4 GWh | Dec 2024 | Sep 2025 | $4.49M | |
| Wild Plains Wind Project, LLC | Juno Beach, CA | Independent Power Producer | 1 | 796.4 GWh | Oct 2025 | Sep 2025 | $10.69M | |
| Westrock Corp | Covington, VA | Industrial | 1 | 777.3 GWh | Oct 2025 | - | ||
| Wildorado Wind, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 741.8 GWh | Dec 2024 | Sep 2025 | $5.93M | |
| Wheatridge Wind Holdings, LLC | Juno Beach, FL | Independent Power Producer | 1 | 723.2 GWh | Oct 2025 | - | ||
| Wildcat Ranch Wind Project, LLC | Juno Beach, FL | Independent Power Producer | 1 | 710.8 GWh | Oct 2025 | Sep 2025 | $3.50M | |
| Windy Flats Partners LLC | Centerville, WA | Independent Power Producer | 1 | 695.8 GWh | Dec 2024 | Jun 2024 | ||
| White Rock Wind East, LLC | Centralia, WA | Independent Power Producer | 1 | 669.2 GWh | Oct 2025 | Oct 2025 | $1.01M | |
| Westlake Chemical Natrium Plant | Proctor, WV | Industrial | 1 | 666.3 GWh | Oct 2025 | - | ||
| Wadley Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 648.3 GWh | Oct 2025 | Sep 2025 | $3.67M | |
| Westrock, Fernandina Beach | Fernandina Beach, FL | Industrial | 2 | 643.2 GWh | Oct 2025 | - | ||
| Wabash Valley Power Assn, Inc | Indianapolis, IN | Cooperative | 9 | 635.2 GWh | Oct 2025 | - | ||
| Westlands Solar Blue (Oz) Owner, LLC | LOS Angeles, CA | Independent Power Producer | 1 | 614.8 GWh | Dec 2024 | Oct 2025 | $5.65M | $3.24M |
| White Creek Wind 1 LLC | Seattle, WA | Independent Power Producer | 1 | 590.8 GWh | Dec 2024 | - | ||
| Westrock-West Point Mill | West Point, VA | Industrial | 1 | 587.5 GWh | Oct 2025 | - | ||
| West Deptford Energy LLC | East Brunswick, NJ | Independent Power Producer | 1 | 538.6 GWh | Oct 2025 | Sep 2025 | $9.02M | |
| Walleye Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 520.7 GWh | Oct 2025 | Sep 2025 | $2.63M | |
| Westrock (La) | Norcross, GA | Municipally-Owned Utility | 1 | 509.6 GWh | Dec 2024 | - | ||
| Wildcat Creek Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 504.2 GWh | Oct 2025 | - | ||
| West Texas Solar Project II LLC | New York, NY | Independent Power Producer | 1 | 498.9 GWh | Oct 2025 | - | ||
| Western Minnesota Mun PWR AGNY | Sioux Falls, SD | Political Subdivision | 4 | 463.2 GWh | Oct 2025 | - | ||
| Westrock (TX) | Glen Allen, VA | Industrial | 1 | 451.2 GWh | Dec 2024 | - | ||
| Wright Solar Park LLC | Boise, ID | Independent Power Producer | 1 | 434.3 GWh | Oct 2025 | 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 | |
| Willow Creek Wind Power LLC | Chicago, IL | Independent Power Producer | 2 | 391.8 GWh | Oct 2025 | Oct 2025 | $1.66M | |
| White Rock Wind West, LLC | Centralia, WA | Independent Power Producer | 1 | 388.1 GWh | Oct 2025 | Oct 2025 | $1.36M | |
| Westrock-Florence | Norcross, GA | Industrial | 1 | 363.5 GWh | Oct 2025 | - | ||
| Westrock Mill Company, LLC | Demopolis, AL | Industrial | 1 | 338.5 GWh | Dec 2024 | - | ||
| Wolf Run Solar LLC | Chapin, IL | Independent Power Producer | 1 | 330.7 GWh | Oct 2025 | Sep 2025 | $3.24M | |
| Wilmot Energy Center LLC | Juno Beach, FL | Independent Power Producer | 1 | 290.6 GWh | Oct 2025 | Sep 2025 | $2.67M | |
| Willow Spring Solar LLC | New York, NY | Independent Power Producer | 1 | 270.2 GWh | Oct 2025 | - | ||
| Wessington Wind | Juno Beach, FL | Independent Power Producer | 1 | 251.7 GWh | Oct 2025 | Oct 2019 | ||
| West Line Solar, LLC | Salt Lake City, UT | Independent Power Producer | 1 | 237.8 GWh | Aug 2025 | Sep 2025 | $2.03M | |
| Walnut Bend Solar Station | MORO, AR | Investor-Owned Utility | 1 | 235.5 GWh | Oct 2025 | - | ||
| Weaver Wind, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 228.7 GWh | Dec 2024 | Sep 2025 | $2.02M | |
| Waverly Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 225.1 GWh | Oct 2025 | Oct 2025 | $3.78M | |
| Wapello Solar LLC | Boise, ID | Independent Power Producer | 1 | 224.9 GWh | Oct 2025 | Sep 2025 | $1.91M | |
| Wilton Wind II LLC | Juno Beach, FL | Independent Power Producer | 1 | 219.6 GWh | Dec 2024 | Oct 2019 | ||
| Wisconsin River Power Company | Milwaukee, WI | Investor-Owned Utility | 3 | 214.5 GWh | Dec 2024 | Mar 2017 | ||
| 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 | |
| Wind Capital Holdings, LLC | Baltimore, MD | Independent Power Producer | 1 | 197.2 GWh | Oct 2025 | Sep 2025 | $2.12M | |
| Westrock Kraft Paper, LLC | Roanoke Rapids, NC | Industrial | 1 | 195.6 GWh | Oct 2025 | - | ||
| Westrock Southeast, LLC | Dublin, GA | Industrial | 1 | 194.9 GWh | Oct 2025 | - | ||
| 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 | |
| Wheatridge East Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 166.0 GWh | Oct 2025 | Sep 2025 | $354.44k | |
| Winfield Solar I, LLC | Ontario | Independent Power Producer | 1 | 160.4 GWh | Oct 2025 | Oct 2025 | $2.98M | |
| Whitney Hill Wind Power LLC | Andover, MA | Independent Power Producer | 1 | 153.9 GWh | Oct 2025 | 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 | Oct 2025 | - | ||
| Whirlwind Energy LLC | Independent Power Producer | 1 | 112.4 GWh | Dec 2024 | - | |||
| Waipio PV, LLC | Princeton, NJ | Independent Power Producer | 1 | 107.8 GWh | Oct 2025 | - | ||
| 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 | |
| Washington County Power | Sandersville, GA | Independent Power Producer | - | 92.9 GWh | Dec 2023 | Sep 2025 | $5.79M | |
| White Springs Agrici Chem Inc | White Springs, FL | Industrial | 2 | 91.9 GWh | Oct 2025 | - | ||
| Whitehorn Solar, LLC | Houston, TX | Independent Power Producer | 1 | 82.1 GWh | Oct 2025 | 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 | - | ||
| Wolfskin Solar, LLC | Chapel Hill, NC | Independent Power Producer | 1 | 74.5 GWh | Oct 2025 | Oct 2025 | $875.96k | |
| Wheatsborough Solar, LLC | Charlottesville, VA | Independent Power Producer | 1 | 71.8 GWh | Oct 2025 | Sep 2025 | ||
| 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 | - | ||
| Waiawa Solar Power LLC | San Francisco, CA | Independent Power Producer | 1 | 63.5 GWh | Oct 2025 | - | ||
| Walnut Creek LLC | City Of Industry, CA | Independent Power Producer | 1 | 62.9 GWh | Oct 2025 | - | ||
| 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 | |
| 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 | Oct 2025 | - | ||
| Wolf Run Energy LLC | Omaha, ME | Independent Power Producer | 1 | 50.3 GWh | Dec 2024 | Oct 2025 | $1.20M |
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 | Oct 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Oct 2025 | Natural Gas : 95.1% Bituminous Coal : 4.9% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Oct 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | Oct 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Oct 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Oct 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Oct 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Oct 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Oct 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Oct 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Oct 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Oct 2025 | Natural Gas : 75.4% Bituminous Coal : 24.4% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Oct 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Oct 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Oct 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Oct 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Oct 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Oct 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Oct 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Oct 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Oct 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Oct 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Oct 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Oct 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Oct 2025 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Oct 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Oct 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Oct 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Oct 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Oct 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Oct 2025 | Subbituminous Coal : 74.1% Bituminous Coal : 16.5% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Oct 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Oct 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 23 TWh | Jun 1973 | Oct 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Oct 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Oct 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Oct 2025 | Nuclear |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 18 TWh | May 1971 | Oct 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Oct 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Oct 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Oct 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Oct 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Oct 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | Oct 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Oct 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Oct 2025 | Nuclear : 68.2% Natural Gas : 31.8% |
| Vogtle | Waynesboro, Georgia | 36 TWh | Apr 1987 | Oct 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Oct 2025 | Subbituminous Coal : 83.8% Natural Gas : 16.2% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Oct 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Oct 2025 | Natural Gas : 99.9% |