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 |
|---|---|---|---|---|---|---|---|---|
| Sunflower Energy Center, LLC | Chicago, IL | Independent Power Producer | 1 | 838.2 GWh | Feb 2026 | Oct 2025 | $781.76k | |
| Stony Creek Wind Farm Ny | Chicago, IL | Independent Power Producer | - | - | Dec 2016 | Oct 2025 | $3.95M | |
| Stony Creek Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $3.50M | ||
| Spring Canyon Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $1.59M | ||
| Socore Energy LLC | Chicago, IL | Independent Power Producer | 78 | 234.5 GWh | Feb 2026 | - | ||
| Socore Clovis 1 LLC | Chicago, IL | Independent Power Producer | 1 | 4.6 GWh | Dec 2024 | - | ||
| Sheldon Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $2.94M | ||
| Shawville Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.3 TWh | Feb 2026 | Oct 2025 | $21.86M | |
| Shawnee Power, LLC | Chicago, IL | Independent Power Producer | 1 | -212.4 MWh | Dec 2024 | Oct 2025 | $275.39k | |
| Settlers Trail Wind Farm, LLC | Chicago, IL | - | - | - | Oct 2025 | $2.00M | ||
| Rocksprings VAL Verde Wind, LLC | Chicago, IL | Independent Power Producer | 1 | 529.5 GWh | Feb 2026 | - | ||
| Richfield Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $823.52k | ||
| Rescom Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $51.12k | ||
| Red Hills Wind Project, L.L.C. | Chicago, IL | - | - | - | Sep 2025 | $2.71M | ||
| Reactivate | Chicago, IL | Independent Power Producer | 6 | 13.2 GWh | Dec 2024 | - | ||
| Radford's Run Wind Farm, LLC | Chicago, IL | - | - | - | Oct 2025 | $5.81M | ||
| Prineville Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $758.48k | ||
| Prairie Breeze Wind Energy III LLC | Chicago, IL | - | - | - | Oct 2025 | $1.06M | ||
| Prairie Breeze Wind Energy II LLC | Chicago, IL | - | - | - | Oct 2025 | $1.67M | ||
| Portland Power, LLC | Chicago, IL | Independent Power Producer | 1 | -598.6 MWh | Dec 2024 | Oct 2025 | $2.53M | |
| Porterhouse Wind (4) LLC | Chicago, IL | - | - | - | Sep 2025 | $214.57k | ||
| Plum Creek Wind, LLC | Chicago, IL | Independent Power Producer | 1 | 855.5 GWh | Feb 2026 | Sep 2025 | $2.76M | |
| Pixley Solar Energy LLC | Chicago, IL | Investor-Owned Utility | 1 | 325.7 GWh | Jan 2026 | May 2025 | $913.33k | |
| Pioneer Trail Wind Farm, LLC | Chicago, IL | - | - | - | Oct 2025 | $3.08M | ||
| Ortega Grid, LLC | Chicago, IL | Independent Power Producer | 1 | - | - | Sep 2025 | $20.82k | |
| Orrtanna Power, LLC | Chicago, IL | Independent Power Producer | 1 | -124.5 MWh | Dec 2024 | Oct 2025 | $220.70k | |
| Orangeville Energy Storage LLC | Chicago, IL | - | - | - | Oct 2025 | $706.93k | ||
| Number Three Wind LLC | Chicago, IL | - | - | - | Oct 2025 | $2.90M | ||
| Niles Power, LLC | Chicago, IL | Independent Power Producer | 1 | - | Oct 2024 | Oct 2025 | $308.50k | |
| New Castle Power, LLC | Chicago, IL | Independent Power Producer | 1 | 736.8 GWh | Dec 2024 | Oct 2025 | $11.28M | |
| Nevada Solar One, LLC | Chicago, IL | - | - | - | Sep 2025 | $7.35M | ||
| MRP Rocky Road LLC | Chicago, IL | - | - | - | Oct 2025 | $1.27M | ||
| MRP Elgin LLC | Chicago, IL | - | - | - | Oct 2025 | $2.46M | ||
| Mountain Power, LLC | Chicago, IL | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | Oct 2025 | $1.86M | |
| Minonk Stewardship Wind LLC | Chicago, IL | Independent Power Producer | 1 | 333.7 GWh | Feb 2026 | Oct 2025 | $1.90M | |
| Millican Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $1.11M | ||
| Midwest Generations Eme LLC | Chicago, IL | Independent Power Producer | 13 | 2.2 TWh | Feb 2026 | Oct 2025 | $44.96M | $363.42k |
| Middle River Power II, LLC | Chicago, IL | Independent Power Producer | 2 | 483.9 GWh | Dec 2024 | - | ||
| Metro WTR RECL DIST GRTR Chi | Chicago, IL | Municipally-Owned Utility | 1 | 19.7 GWh | Feb 2026 | - | ||
| Malaga Bess LLC | Chicago, IL | Independent Power Producer | 1 | -4.1 GWh | Feb 2026 | Oct 2025 | $527.40k | |
| Lockett Windfarm, LLC | Chicago, IL | Independent Power Producer | 1 | 738.0 GWh | Feb 2026 | - | ||
| Lackawanna Energy Center LLC | Chicago, IL | - | - | - | Oct 2025 | $94.94M | $21.74k | |
| Judith Gap Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $2.11M | ||
| Jicarilla Solar 2 LLC | Chicago, IL | Independent Power Producer | - | 138.9 GWh | Dec 2023 | Sep 2025 | $844.43k | |
| Iron Horse Battery Storage, LLC | Chicago, IL | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $78.72k | |
| Ir Energy Management LLC | Chicago, IL | - | - | - | Oct 2025 | $6.99M | $6.99M | |
| Invenergy Services LLC | Chicago, IL | Independent Power Producer | 76 | 37.1 TWh | Feb 2026 | - | ||
| Invenergy Nelson LLC | Chicago, IL | - | - | - | Oct 2025 | $37.00M | $69.44k | |
| Invenergy Cannon Falls LLC | Chicago, IL | - | - | - | Sep 2025 | $8.51M | ||
| Hunterstown Power, LLC | Chicago, IL | Independent Power Producer | 1 | 15.6 GWh | Dec 2024 | Oct 2025 | $1.25M | |
| High Point Solar LLC | Chicago, IL | - | - | - | Sep 2025 | $2.07M | ||
| Hickory Park Solar, LLC | Chicago, IL | - | - | - | Sep 2025 | $3.06M | ||
| Henrietta Bess LLC | Chicago, IL | Independent Power Producer | 1 | -3.9 GWh | Feb 2026 | Oct 2025 | $161.49k | |
| Helena Wind, LLC | Chicago, IL | Independent Power Producer | 1 | 806.5 GWh | Feb 2026 | - | ||
| Hecate Energy West Newberry, LLC | Chicago, IL | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Hecate Energy Upshur Rural LLC | Chicago, IL | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| Hecate Energy Ramsey, LLC | Chicago, IL | Independent Power Producer | 2 | 1.0 TWh | Feb 2026 | - | ||
| Hecate Energy Johanna Facility LLC | Chicago, IL | Independent Power Producer | 1 | -3.3 GWh | Dec 2024 | Oct 2025 | $1.09M | |
| Hecate Energy Desert Storage 1 LLC | Chicago, IL | Independent Power Producer | 1 | - | - | Oct 2025 | $62.06k | |
| Hecate Energy Blair Road LLC | Chicago, IL | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Hecate Energy Albany 1 LLC | Chicago, IL | Independent Power Producer | - | - | - | Sep 2025 | $363.07k | |
| Harry Allen Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $2.76M | ||
| Hardin Wind LLC | Chicago, IL | - | - | - | Oct 2025 | $6.94M | ||
| Hardin Solar Energy III | Chicago, IL | Independent Power Producer | 1 | 529.7 GWh | Feb 2026 | Oct 2025 | $4.05M | |
| Hardin Solar Energy II LLC | Chicago, IL | Independent Power Producer | - | - | - | Oct 2025 | $4.13M | |
| Hardee Power Partners Limited | Chicago, IL | - | - | - | Sep 2025 | $8.53M | ||
| Hamilton Power, LLC | Chicago, IL | Independent Power Producer | 1 | -203.6 MWh | Dec 2024 | Oct 2025 | $331.46k | |
| Grays Harbor Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $43.98M | ||
| Gratiot County Wind LLC | Chicago, IL | - | - | - | Oct 2025 | $6.18M | ||
| Grand Ridge Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $1.93M | ||
| Grand Ridge Energy IV LLC | Chicago, IL | - | - | - | Oct 2025 | $210.95k | ||
| Gilbert Power, LLC | Chicago, IL | Independent Power Producer | 1 | 55.0 GWh | Dec 2024 | Oct 2025 | $6.86M | |
| Flat Ridge 4 Wind Holdings LLC | Chicago, IL | - | - | - | Jun 2025 | $304.43k | ||
| Engie Generation North America LLC | Chicago, IL | Independent Power Producer | 1 | 3.0 GWh | Dec 2024 | - | ||
| Engie 2020 Projectco-WI1 LLC | Chicago, IL | Independent Power Producer | 1 | 2.1 GWh | Dec 2024 | - | ||
| Engie 2019 Projectco Ma-1, LLC | Chicago, IL | Independent Power Producer | 1 | 6.6 GWh | Dec 2024 | - | ||
| El Sol Energy Storage LLC | Chicago, IL | - | - | - | Sep 2025 | $2.13M | ||
| Ecogrove Wind LLC | Chicago, IL | - | - | - | Oct 2025 | $1.73M | ||
| Dermott Wind, LLC | Chicago, IL | Independent Power Producer | 1 | 945.8 GWh | Feb 2026 | - | ||
| Dempsey Ridge Wind Farm, LLC | Chicago, IL | - | - | - | Oct 2025 | $449.49k | ||
| Cranberry Highway Solar, LLC | Chicago, IL | Independent Power Producer | 1 | 2.4 GWh | Dec 2024 | - | ||
| Century Marketer LLC | Chicago, IL | - | - | - | Oct 2025 | $41.49M | ||
| Cassadaga Wind LLC | Chicago, IL | - | - | - | Oct 2025 | $596.69k | ||
| Camilla Solar Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $2.93M | ||
| Calhoun Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $5.74M | ||
| Cadence Solar Energy LLC | Chicago, IL | Industrial | 1 | 47.9 GWh | Feb 2026 | - | ||
| Buckeye Wind Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $2.88M | ||
| Brunot Island Power, LLC | Chicago, IL | Independent Power Producer | 1 | 64.7 GWh | Dec 2024 | Oct 2025 | $3.28M | |
| Boulder Solar II, LLC | Chicago, IL | - | - | - | Oct 2025 | $1.79M | ||
| Boiling Springs Wind Farm, LLC | Chicago, IL | - | - | - | Oct 2025 | $272.26k | ||
| Blossburg Power, LLC | Chicago, IL | Independent Power Producer | 1 | 498.2 MWh | Dec 2024 | Oct 2025 | $214.15k | |
| Auwahi Wind Energy LLC | Chicago, IL | Independent Power Producer | 1 | 92.9 GWh | Dec 2024 | - | ||
| AEUG Union Solar, LLC | Chicago, IL | - | - | - | Sep 2025 | $8.23M | ||
| AEM Wind LLC | Chicago, IL | Independent Power Producer | 1 | 121.7 GWh | Feb 2026 | Oct 2025 | $840.92k | |
| Acciona Wind Energy USA LLC | Chicago, IL | Independent Power Producer | 5 | 876.1 GWh | Feb 2026 | - | ||
| Acciona Energy USA Global, LLC | Chicago, IL | Independent Power Producer | 12 | 3.5 TWh | Feb 2026 | - | ||
| 2W Permian Solar, LLC | Chicago, IL | Independent Power Producer | 1 | 1.1 TWh | Feb 2026 | - | ||
| Mahoning Creek Hydroelectric Company LLC | Chevy Chase, MD | Independent Power Producer | - | - | Dec 2020 | Oct 2025 | $271.89k | |
| Philip Morris USA - Park 500 | Chester, VA | Industrial | 1 | 12.7 GWh | Dec 2024 | - | ||
| Covanta Delaware Valley LP | Chester, PA | Investor-Owned Utility | 1 | 589.9 GWh | Feb 2026 | Apr 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% |