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 |
|---|---|---|---|---|---|---|---|---|
| Greenstone Solar, LLC | New York, NY | Independent Power Producer | 1 | 38.0 GWh | Dec 2024 | - | ||
| Greensville County Solar Project, LLC | Richmond, VA | - | - | - | Oct 2025 | $1.87M | ||
| Gregory Power Partners LLC | Princeton, NJ | Industrial | 1 | 591.4 GWh | Oct 2025 | - | ||
| 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 | 734.4 GWh | Oct 2025 | - | ||
| Griffiss Utility Services Corporation | Rome, NY | - | - | - | Oct 2025 | $118.20k | ||
| Grimm CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.9 GWh | Dec 2024 | - | ||
| 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 | 148.1 GWh | Oct 2025 | - | ||
| Groton Bess 1 LLC | Arlington, VA | Independent Power Producer | 1 | -117.0 MWh | Dec 2024 | Sep 2025 | $33.37k | |
| 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 | |
| Groton Wind, LLC | Portland, OR | - | - | - | Sep 2025 | $1.21M | ||
| GRP Franklin, LLC | Carnesville, GA | - | - | - | Sep 2025 | $8.34M | ||
| GRP Franklin Renewable Energy Facility, LLC | Carnesville, GA | Independent Power Producer | 1 | 407.5 GWh | Oct 2025 | - | ||
| GRP Madison, LLC | Colbert, GA | - | - | - | Sep 2025 | $8.27M | ||
| GRP Madison Renewable Energy Facility, LLC | Colbert, GA | Independent Power Producer | 1 | 451.0 GWh | Oct 2025 | - | ||
| GRP Te Lessee, LLC | Issaquah, WA | - | - | - | Oct 2025 | $16.61M | ||
| GSA Metropolitan Service Center | Washington, DC | Federally-Owned Utility | 1 | 101.9 GWh | Oct 2025 | - | ||
| Gseone | Houston, TX | Independent Power Producer | 1 | 174.7 GWh | Oct 2025 | - | ||
| GSG 6, LLC | Oakville, ON | - | - | - | Oct 2025 | $1.45M | ||
| GSG Wind, LLC | Dallas, TX | - | - | - | Oct 2025 | $1.77M | ||
| GSP Lost Nation LLC | Bow, NH | - | - | - | Sep 2025 | $162.40k | ||
| GSP Merrimack LLC | Bow, NH | - | - | - | Sep 2025 | $2.95M | ||
| GSP Schiller LLC | Bow, NH | - | - | - | Sep 2025 | $123.46k | ||
| GSP White Lake LLC | Bow, NH | - | - | - | Sep 2025 | $169.51k | ||
| GSPP Boxborough Littleton, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Guadalupe Blanco River Authority | Seguin, TX | State-Owned Utility | 7 | 4.8 GWh | Dec 2024 | - | ||
| Guadalupe Power Partners LP | |Independent Power Producer | 2 | 6.3 TWh | Oct 2025 | - | |||
| Guernsey Power Station LLC | New York, NY | Independent Power Producer | 1 | 11.6 TWh | Oct 2025 | Oct 2025 | $86.92M | |
| Gulf Coast Solar Center II, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $1.67M | ||
| Gulf Coast Solar Center III, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $2.01M | ||
| 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 | 186.1 GWh | Oct 2025 | Sep 2025 | $1.56M | |
| Guzman Western Slope LLC | Denver, CO | - | - | - | Sep 2025 | $6.42M | ||
| GWCC PV Solar Farm | Beltsville, MD | Federally-Owned Utility | 1 | 2.2 GWh | Dec 2024 | - | ||
| GWE Cranberry Solar RT, LLC | Middleborough, MA | Independent Power Producer | 1 | 1.5 GWh | Dec 2024 | - | ||
| Gwitchyaa ZHEE Utility Co | Fort Yukon, AK | Investor-Owned Utility | 1 | 2.8 GWh | Dec 2023 | - | ||
| H.A. Wagner LLC | Allentown, PA | Independent Power Producer | 1 | 212.6 GWh | Oct 2025 | 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 | - | ||
| Haida Energy, Inc. | Ketchikan, AK | Investor-Owned Utility | 1 | 6.0 GWh | Dec 2024 | - | ||
| Hale Kuawehi Solar LLC | San Diego, CA | Independent Power Producer | 1 | 54.3 GWh | Oct 2025 | - | ||
| 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 | - | ||
| Halia Energy LLC | Dover, DE | - | - | - | Oct 2025 | $1.23M | ||
| Hallador Power Company, LLC | Terra Haute, IN | Independent Power Producer | 1 | 5.4 TWh | Oct 2025 | Oct 2025 | $50.47M | |
| Hamakua Energy LP | Honokaa, HI | Independent Power Producer | 1 | 82.3 GWh | Oct 2025 | - | ||
| Hamilton Liberty O&M LLC | Towanda, PA | Independent Power Producer | 1 | 5.7 TWh | Oct 2025 | Oct 2025 | $36.63M | |
| Hamilton Operating Services, LLC | Charlotte, NC | Independent Power Producer | 1 | 6.7 TWh | Oct 2025 | - | ||
| Hamilton Patriot LLC | Charlotte, NC | - | - | - | Oct 2025 | $57.59M | ||
| 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 | - | ||
| Hampton Lumber Mills - Washington Inc | Independent Power Producer | 1 | 18.4 GWh | Dec 2024 | - | |||
| 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 | Oct 2025 | - | ||
| Hancock County Wind, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $1.32M | ||
| 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 | |
| Hanford Renewable Energy LLC | Hanford, CA | Commercial | 2 | 12.3 GWh | Dec 2024 | - | ||
| Hangar 160 LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Hanging Rock Power Company LLC | Irving, TX | - | - | - | Oct 2025 | $103.44M | ||
| Happy Jack Windpower, LLC | Charlotte, NC | - | - | - | Sep 2025 | $687.66k | ||
| Happy Solar 1, LLC | San Francisco, CA | - | - | - | Sep 2025 | $517.02k | ||
| Harbec Energy | Ontario, NY | Industrial | 1 | 655.1 MWh | Dec 2024 | - | ||
| Harbor Cogeneration Co. | Wilmington, CA | Independent Power Producer | 1 | 20.1 GWh | Dec 2024 | Oct 2025 | $48.09k | |
| Harbor Road Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2024 | - | ||
| Harborside Energy, LLC | Brooklyn, NY | - | - | - | Sep 2025 | $21.05k | ||
| Hardee Power Partners Limited | Chicago, IL | - | - | - | Sep 2025 | $8.53M | ||
| Hardin Solar Energy II LLC | Chicago, IL | Independent Power Producer | - | - | - | Oct 2025 | $4.13M | |
| Hardin Solar Energy III | Chicago, IL | Independent Power Producer | 1 | 431.3 GWh | Oct 2025 | Oct 2025 | $4.05M | |
| Hardin Solar Energy III LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $6.99M | ||
| Hardin Wind LLC | Chicago, IL | - | - | - | Oct 2025 | $6.94M | ||
| Hardscrabble Wind Power LLC | Portland, OR | - | - | - | Sep 2025 | $1.68M | ||
| Hardy Hills Solar LLC | Frankfort, IN | Investor-Owned Utility | 1 | 390.0 GWh | Oct 2025 | Sep 2025 | $4.20M | |
| Harmony Florida Solar II, LLC | Juno Beach, FL | Independent Power Producer | 1 | 172.6 GWh | Oct 2025 | Sep 2025 | $1.90M | |
| Harmony Florida Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 188.3 GWh | Oct 2025 | Sep 2025 | $1.94M | |
| Harquahala Sun 1, LLC | Dana Point, CA | - | - | - | Sep 2025 | $1.25M | ||
| Harquahala Sun 2, LLC | Dana Point, CA | - | - | - | Sep 2025 | $20.95M | ||
| Harris Farms Inc | Coalinga, CA | Commercial | 1 | 3.0 GWh | Dec 2024 | - | ||
| Harrisburg Authority | Harrisburg, PA | Municipally-Owned Utility | 1 | 112.0 GWh | Oct 2025 | - | ||
| Harrison Solar, LLC | Charlotte, NC | Independent Power Producer | 1 | 10.7 GWh | Dec 2024 | - | ||
| Harry Allen Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $2.76M | ||
| Hart Wind Project, LLC | Juno Beach, FL | Independent Power Producer | 1 | 206.1 GWh | Oct 2025 | - | ||
| Hartmann Community Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.3 GWh | Dec 2024 | - | ||
| Harts Mills Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 186.3 GWh | Oct 2025 | Sep 2025 | $2.21M | |
| Hartz Solar Hamilton LLC | Commercial | - | 9.5 GWh | Dec 2023 | - | |||
| Hartz Solar, LLC | Secaucus, NJ | Commercial | 11 | 19.8 GWh | Dec 2024 | - | ||
| Harvest Gold Solar Power, LLC | Boston, MA | Independent Power Producer | 1 | 204.2 GWh | Oct 2025 | Sep 2025 | $2.62M | |
| Harvest II Windfarm, LLC | Baltimore, MD | Independent Power Producer | 1 | 218.5 GWh | Dec 2024 | Oct 2025 | $1.57M | |
| Harvest Midstream Co | Bloomfield, NM | Industrial | 3 | 50.6 GWh | Oct 2025 | - | ||
| Harvest Ridge Wind Farm | Houston, TX | Independent Power Producer | 1 | 737.5 GWh | Oct 2025 | - |
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% |