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 |
|---|---|---|---|---|---|---|---|---|
| Wapsipinicon Wind Project, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $5.34M | ||
| Warren Generation, LLC | Chicago, IL | Independent Power Producer | 1 | - | Nov 2024 | Oct 2025 | $589.51k | |
| Washington Power Generation LLC | Irving, TX | - | - | - | Oct 2025 | $8.48M | ||
| Water Strider Solar, LLC | Valhalla, NY | - | - | - | Oct 2025 | $1.76M | ||
| Waterford Power, LLC | Waterford, OH | Independent Power Producer | 1 | 5.8 TWh | Feb 2026 | Oct 2025 | $23.36M | |
| Watlington Solar, LLC | Valhalla, NY | - | - | - | Oct 2025 | $455.32k | ||
| Waverly Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 216.2 GWh | Feb 2026 | Oct 2025 | $3.78M | |
| Waymart Wind Farm | Juno Beach, FL | Independent Power Producer | - | - | Dec 2017 | Oct 2025 | $905.74k | |
| Wellesley Bess LLC | Boston, MA | - | - | - | Oct 2025 | $96.87k | ||
| Westbrook Energy Center | Houston, TX | Independent Power Producer | 1 | 3.8 TWh | Feb 2026 | Oct 2025 | $3.93M | |
| Western Area Power Administration | Lakewood, CO | - | - | - | Oct 2025 | $43.20M | $318.33M | |
| Western Farmers Electric Cooperative | Anadarko, OK | - | - | - | Oct 2025 | $65.34M | $43.35M | |
| Westlake Chemicals & VInyls LLC | Plaquemine, LA | Industrial | 1 | 1.6 TWh | Feb 2026 | Oct 2025 | $3.94M | |
| Westlake US 2 LLC | Houston, TX | - | - | - | Oct 2025 | $13.99M | $3.58M | |
| Westlands Solar Blue (Oz) Owner, LLC | |Independent Power Producer | 1 | 1.3 TWh | Feb 2026 | Oct 2025 | $5.65M | $3.24M | |
| Westside Canal 2a, LLC | Chicago, IL | - | - | - | Oct 2025 | $27.09k | ||
| Wheelabrator Baltimore, L.P. | Portsmouth, NH | - | - | - | Oct 2025 | $5.07M | ||
| Wheelabrator Falls Inc. | Portsmouth, NH | - | - | - | Oct 2025 | $2.00M | ||
| Wheelabrator Westchester, L.P. | Portsmouth, NH | - | - | - | Oct 2025 | $4.54M | ||
| White Creek Wind I, LLC | Roosevelt, WA | - | - | - | Oct 2025 | $4.91M | ||
| White Rock Wind East, LLC | Centralia, WA | Independent Power Producer | 1 | 758.1 GWh | Feb 2026 | Oct 2025 | $1.01M | |
| White Rock Wind West, LLC | Centralia, WA | Independent Power Producer | 1 | 397.4 GWh | Feb 2026 | Oct 2025 | $1.36M | |
| Whitewater Hill Wind Partners, LLC | Houston, TX | - | - | - | Oct 2025 | $330.26k | ||
| Whitney Hill Wind Power LLC | Andover, MA | Independent Power Producer | 1 | 156.0 GWh | Feb 2026 | Oct 2025 | $1.05M | |
| Wild Springs Solar, LLC | Bloomington, MN | - | - | - | Oct 2025 | $3.03M | ||
| Wildcat Wind Farm I, LLC | Chicago, IL | - | - | - | Oct 2025 | $11.10M | ||
| Willow Creek Wind Power LLC | Juno Beach, FL | Independent Power Producer | 2 | 661.4 GWh | Feb 2026 | Oct 2025 | $1.66M | |
| Willowbrook Solar I, LLC | Chicago, IL | - | - | - | Oct 2025 | $3.82M | ||
| Wind Stream Properties, LLC | Santa Rosa, CA | - | - | - | Oct 2025 | $299.47k | ||
| Winfield Solar I, LLC | Ontario | Independent Power Producer | 1 | 218.7 GWh | Feb 2026 | Oct 2025 | $2.98M | |
| 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 Hills Energy LLC | Bristol, VA | Independent Power Producer | - | - | Dec 2015 | Oct 2025 | $7.01M | |
| Wolf Run Energy LLC | Omaha, ME | Independent Power Producer | 1 | 50.3 GWh | Dec 2024 | Oct 2025 | $1.20M | |
| Wolfskin Solar, LLC | Chapel Hill, NC | Independent Power Producer | 1 | 85.3 GWh | Feb 2026 | Oct 2025 | $875.96k | |
| Wolverine Power Supply Coop | Cadillac, MI | Cooperative | 8 | 855.5 GWh | Dec 2024 | Oct 2025 | $173.23M | $44.03M |
| Woodland Biomass Power Ltd. | Detroit, MI | - | - | - | Oct 2025 | $4.76M | ||
| Woodward Energy Storage, LLC | Juno Beach, FL | Independent Power Producer | 1 | -6.9 GWh | Feb 2026 | Oct 2025 | $407.03k | |
| WPPI Energy | Sun Prairie, WI | Municipally-Owned Utility | 2 | 11.0 GWh | Dec 2024 | Oct 2025 | $53.67M | $44.97M |
| XOOM Energy, LLC | Princeton, NJ | - | - | - | Oct 2025 | $15.33M | ||
| Yankee Street, LLC | Washington, DC | - | - | - | Oct 2025 | $2.90M | ||
| Yards Creek Energy | Blairstown, NJ | Independent Power Producer | 1 | -254.1 GWh | Feb 2026 | Oct 2025 | $14.09M | |
| YAVI Energy LLC | Sudbury, MA | Independent Power Producer | - | - | Dec 2017 | Oct 2025 | $204.18k | |
| Yellowbud Solar LLC | Bloomington, MN | Independent Power Producer | 1 | 526.8 GWh | Feb 2026 | Oct 2025 | $6.86M | |
| York Haven Power Company LLC | Morristown, NJ | Independent Power Producer | - | - | Dec 2020 | Oct 2025 | $1.50M | |
| YUMA Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $5.05M | ||
| Zion Energy LLC | Zion, IL | Independent Power Producer | 1 | 371.3 GWh | Dec 2024 | Oct 2025 | $259.64k |
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% |