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 |
|---|---|---|---|---|---|---|---|---|
| Helios Energy New York 2 LLC | Juno Beach, FL | Independent Power Producer | 1 | 7.3 GWh | Dec 2024 | - | ||
| Helios Energy New York 3 LLC | Juno Beach, FL | Independent Power Producer | 1 | 7.9 GWh | Dec 2024 | - | ||
| Jordan Creek Wind Farm, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.4 TWh | Mar 2026 | Sep 2025 | $9.18M | |
| Kaieie WAHO Company LLC | Honolulu, HI | Independent Power Producer | 1 | 9.0 GWh | Dec 2024 | - | ||
| K-Brink Windfarm, LLC | Woodstock, MN | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| Justin McNeilus | Rochester, MN | Independent Power Producer | 1 | 102.2 GWh | Dec 2024 | - | ||
| Junction Hilltop Management LLC | Jamaica, IA | Independent Power Producer | 3 | 123.3 GWh | Dec 2024 | - | ||
| GSPP Boxborough Littleton, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Falls Creek Garden LLC | Excelsior, MN | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Guernsey Power Station LLC | New York, NY | Independent Power Producer | 1 | 12.9 TWh | Mar 2026 | Oct 2025 | $86.92M | |
| JSD Flatwood PV-1, LLC | Spartanburg, SC | Independent Power Producer | 4 | 2.4 GWh | Dec 2024 | - | ||
| Gundersen Lutheran Biogas I LLC | La Crosse, WI | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| Gunsight Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 187.5 GWh | Mar 2026 | Sep 2025 | $1.56M | |
| Gseone | Houston, TX | Independent Power Producer | 1 | 168.1 GWh | Mar 2026 | - | ||
| GWE Cranberry Solar RT, LLC | Middleborough, MA | Independent Power Producer | 1 | 1.5 GWh | Dec 2024 | - | ||
| H.A. Wagner LLC | Allentown, PA | Independent Power Producer | 1 | 250.9 GWh | Mar 2026 | Oct 2025 | $16.82M | |
| Hackberry Wind LLC | Portland, OR | Independent Power Producer | 1 | 358.1 GWh | Dec 2024 | - | ||
| Hadley 2 Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Hadley 3 Solar, LLC (South) | Boston, MA | Independent Power Producer | 2 | 6.3 GWh | Dec 2024 | - | ||
| Hale Kuawehi Solar LLC | San Diego, CA | Independent Power Producer | 1 | 79.9 GWh | Mar 2026 | - | ||
| Haleon PLC | Warren, NJ | Independent Power Producer | 1 | 837.0 MWh | Dec 2024 | - | ||
| Hales Mills Solar, LLC | Boston, MA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Haley Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 10.4 GWh | Dec 2024 | - | ||
| Groton Bess 1 LLC | Arlington, VA | Independent Power Producer | 1 | -117.0 MWh | Dec 2024 | Sep 2025 | $33.37k | |
| Griffin Road Solar 2, LLC | Boston, MA | Independent Power Producer | 1 | 2.4 GWh | Dec 2024 | - | ||
| Griffin Road Solar LLC | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | |||
| Griffin Trail Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 777.0 GWh | Mar 2026 | - | ||
| Kankakee Solar 4 LLC | Safety Harbor, FL | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Griffith Energy LLC | Kingman, AZ | Independent Power Producer | 1 | 4.1 TWh | Mar 2026 | Sep 2025 | $25.28M | $13.33k |
| Grimes County Solar Project, LLC | San Francisco, CA | Independent Power Producer | 1 | 102.7 GWh | Mar 2026 | - | ||
| Grissom Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 10.6 GWh | Dec 2024 | Sep 2025 | $507.31k | |
| Grizzly Mountain Ranch | Zenia, CA | Independent Power Producer | 1 | 2.8 GWh | Dec 2024 | - | ||
| Grizzly Ridge Solar LLC | Hamilton, TX | Independent Power Producer | 1 | 102.1 GWh | Jan 2026 | - | ||
| Hallador Power Company, LLC | Terra Haute, IN | Independent Power Producer | 1 | 4.8 TWh | Mar 2026 | Oct 2025 | $50.47M | |
| Groton Bess 2 LLC | Arlington, VA | Independent Power Producer | 1 | -147.0 MWh | Dec 2024 | Sep 2025 | $28.83k | |
| Groton Fuel Cell 1 LLC | Danbury, CT | Independent Power Producer | 1 | 33.6 GWh | Dec 2024 | - | ||
| Groton Station Fuel Cell, LLC | Danbury, CT | Independent Power Producer | 1 | 44.3 GWh | Dec 2024 | Sep 2025 | $483.85k | |
| Kankakee Solar 2 LLC | Arlington, VA | Independent Power Producer | 1 | 3.2 GWh | Dec 2024 | - | ||
| Kale Patch Solar LLC | Beaverton, OR | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| GRP Franklin Renewable Energy Facility, LLC | Carnesville, GA | Independent Power Producer | 1 | 421.5 GWh | Mar 2026 | - | ||
| Kalaeloa Partners LP | Kapolei, HI | Independent Power Producer | 1 | 1.5 TWh | Mar 2026 | - | ||
| GRP Madison Renewable Energy Facility, LLC | Colbert, GA | Independent Power Producer | 1 | 457.8 GWh | Mar 2026 | - | ||
| Kaiser Creek Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Fairfield University | Fairfield, CT | Independent Power Producer | 1 | 28.2 GWh | Dec 2024 | - | ||
| Harbor Road Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2024 | - | ||
| John Laing US Solar Corp. | New York, NY | Independent Power Producer | 5 | 476.3 GWh | Mar 2026 | - | ||
| Johanna Energy Center, LLC | Houston, TX | Independent Power Producer | 3 | - | Dec 2024 | Oct 2025 | $1.32M | |
| Hardin Solar Energy II LLC | Chicago, IL | Independent Power Producer | - | - | - | Oct 2025 | $4.13M | |
| Hardin Solar Energy III | Chicago, IL | Independent Power Producer | 1 | 567.7 GWh | Mar 2026 | Oct 2025 | $4.05M | |
| Jicarilla Solar 2 LLC | Chicago, IL | Independent Power Producer | - | - | Dec 2023 | Sep 2025 | $844.43k | |
| Fairhaven Ma 1, LLC | St. Louis Park, MN | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Harmony Florida Solar II, LLC | Juno Beach, FL | Independent Power Producer | 1 | 201.5 GWh | Mar 2026 | Sep 2025 | $1.90M | |
| Harmony Florida Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 197.7 GWh | Mar 2026 | Sep 2025 | $1.94M | |
| Harbor Cogeneration Co. | Wilmington, CA | Independent Power Producer | 1 | 20.1 GWh | Dec 2024 | Oct 2025 | $48.09k | |
| JETT Creek | New York, NY | Independent Power Producer | 1 | 19.7 GWh | Dec 2024 | - | ||
| Fairbanks Solar Energy Center LLC | Fairbanks, IN | Independent Power Producer | 1 | 454.5 GWh | Mar 2026 | - | ||
| Harrison Solar, LLC | Charlotte, NC | Independent Power Producer | 1 | 10.7 GWh | Dec 2024 | - | ||
| Hart Wind Project, LLC | Juno Beach, FL | Independent Power Producer | 1 | 560.4 GWh | Mar 2026 | - | ||
| Hartmann Community Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.3 GWh | Dec 2024 | - | ||
| Hartree Partners LP | New York, NY | Independent Power Producer | 1 | 3.0 TWh | Mar 2026 | Oct 2025 | $217.65M | $20.03M |
| Harts Mills Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 191.1 GWh | Mar 2026 | Sep 2025 | $2.21M | |
| King Creek Wind Farm 2, LLC | San Diego, CA | Independent Power Producer | 1 | 737.8 GWh | Mar 2026 | - | ||
| Harvest Gold Solar Power, LLC | Boston, MA | Independent Power Producer | 1 | 198.8 GWh | Mar 2026 | Sep 2025 | $2.62M | |
| Hampton Lumber Mills - Washington Inc | Independent Power Producer | 1 | 18.4 GWh | Dec 2024 | - | |||
| Hamakua Energy LP | Honokaa, HI | Independent Power Producer | 1 | 119.3 GWh | Mar 2026 | - | ||
| Hamilton Liberty O&M LLC | Towanda, PA | Independent Power Producer | 1 | 5.6 TWh | Mar 2026 | Oct 2025 | $36.63M | |
| Hamilton Operating Services, LLC | Charlotte, NC | Independent Power Producer | 1 | 6.6 TWh | Mar 2026 | - | ||
| ERWR Whitcomb Farm Solar LLC | New York, NY | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| Hamilton Power, LLC | Chicago, IL | Independent Power Producer | 1 | -203.6 MWh | Dec 2024 | Oct 2025 | $331.46k | |
| Hamilton Wind Energy LLC | Story City, IA | Independent Power Producer | 1 | 5.5 GWh | Dec 2024 | - | ||
| Hammer Community Solar LLC | Safety Harbor, FL | Independent Power Producer | 1 | 2.0 GWh | Dec 2024 | - | ||
| Hampshire Paper Co Inc | Gouverneur, NY | Independent Power Producer | 1 | 12.1 GWh | Dec 2024 | - | ||
| Hampstead Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 9.6 GWh | Dec 2024 | - | ||
| Harvest II Windfarm, LLC | Baltimore, MD | Independent Power Producer | 1 | 218.5 GWh | Dec 2024 | Oct 2025 | $1.57M | |
| Hampton Solar I, LLC | Asheville, NC | Independent Power Producer | 1 | 13.0 GWh | Dec 2024 | - | ||
| Hampton Solar II, LLC | Houston, TX | Independent Power Producer | 1 | 44.8 GWh | Mar 2026 | - | ||
| Hancock Wind LLC | Boston,, MA | Independent Power Producer | - | - | - | Sep 2025 | $1.15M | |
| Handsome Lake Energy LLC | Baltimore, MD | Independent Power Producer | 1 | 95.2 GWh | Dec 2024 | Sep 2025 | $1.97M | |
| Hangar 160 LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Falcon Power Operating Company | DES Moines, IA | Independent Power Producer | 1 | 14.7 GWh | Jan 2026 | - | ||
| Fairless Energy LLC | Fairless Hills, PA | Independent Power Producer | - | - | Dec 2017 | Oct 2025 | $75.44M | |
| Johnson County Power LLC | Cleburne, TX | Independent Power Producer | 1 | 1.4 TWh | Dec 2024 | - | ||
| Fairhaven Wind LLC | Cohasset, MA | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Essential Power Operating Services, LLC | Newington, NH | Independent Power Producer | 4 | 2.7 TWh | Mar 2026 | - | ||
| IHI Power Services Corp | Aliso VIejo, CA | Independent Power Producer | 1 | 120.8 GWh | Mar 2026 | - | ||
| Il Sidney Project1, LLC | Boston, MA | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| Il West Hallock Project1, LLC | Boston, MA | Independent Power Producer | 1 | 5.0 GWh | Dec 2024 | - | ||
| Iron Horse Solar 1, LLC | Jersey City, NJ | Independent Power Producer | 1 | 4.4 GWh | Dec 2024 | - | ||
| Illinois Power Generating Co | Collinsville, IL | Independent Power Producer | 2 | 3.7 TWh | Feb 2026 | Jan 2024 | ||
| Iron Horse Battery Storage, LLC | Chicago, IL | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $78.72k | |
| Illinois PV Fulton 1, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Illinois Winds LLC | Glenns Ferry, ID | Independent Power Producer | - | - | - | Sep 2025 | $1.82M | |
| Imeson Solar Farm LLC | Irvine, CA | Independent Power Producer | 1 | 9.2 GWh | Dec 2024 | - | ||
| IMG Energy Solutions | Pittsburgh, PA | Independent Power Producer | 2 | 132.1 GWh | Dec 2024 | - | ||
| IGS Solar LLC | Arlington, VA | Independent Power Producer | 1 | 4.2 GWh | Dec 2024 | - | ||
| Irish Creek Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | Mar 2026 | Oct 2025 | $4.10M | |
| Imperial Valley Solar 2, LLC | New York, NY | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $8.48M | |
| Imperial Valley Solar 3, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 730.1 GWh | Mar 2026 | Sep 2025 | $13.55M | |
| Iris Solar LLC | New York, NY | Independent Power Producer | 1 | 128.2 GWh | Mar 2026 | Sep 2025 | $1.53M | |
| Imperial Valley Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 463.7 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 | Mar 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Mar 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Mar 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Mar 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Mar 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Mar 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Mar 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | Mar 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Mar 2026 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Mar 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Mar 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Mar 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Mar 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Mar 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Mar 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Mar 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Mar 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Mar 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Mar 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Mar 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Mar 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Mar 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Mar 2026 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Mar 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Mar 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Mar 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Mar 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Mar 2026 | Subbituminous Coal : 75.0% Bituminous Coal : 16.0% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Mar 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Mar 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Mar 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Mar 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Mar 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Mar 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Mar 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 16 TWh | Nov 1972 | Mar 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Mar 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Mar 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | Mar 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Mar 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Mar 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Mar 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Mar 2026 | Nuclear : 68.1% Natural Gas : 31.9% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Mar 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Mar 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Mar 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Mar 2026 | Natural Gas |