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 |
|---|---|---|---|---|---|---|---|---|
| GSP Merrimack LLC | Bow, NH | - | - | - | Sep 2025 | $2.95M | ||
| GSP Newington LLC | Bow, NH | - | - | - | Oct 2025 | $11.80M | $1.40M | |
| 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 | - | 6.1 GWh | Dec 2024 | - | ||
| Guadalupe Blanco River Authority | Seguin, TX | State-Owned Utility | 7 | 3.9 GWh | Dec 2025 | - | ||
| Guadalupe Power Partners LP | |Independent Power Producer | 2 | 6.0 TWh | Jun 2026 | - | |||
| Guernsey Power Station LLC | New York, NY | Independent Power Producer | 1 | 13.0 TWh | Jun 2026 | Oct 2025 | $86.92M | |
| Gulf Coast Solar Center II, LLC | Scottsdale, AZ | - | - | - | Jun 2025 | $1.67M | ||
| Gulf Coast Solar Center III, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $2.01M | ||
| Gulfstar Power, LLC | Andover, MA | Independent Power Producer | 1 | 67.1 GWh | Jun 2026 | - | ||
| Gun Club Solar, LLC | New York, NY | Independent Power Producer | 1 | 4.6 GWh | Dec 2025 | - | ||
| Gundersen Lutheran Biogas I LLC | La Crosse, WI | Independent Power Producer | 1 | 4.0 GWh | Dec 2025 | - | ||
| Gunsight Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 190.5 GWh | Jun 2026 | Jun 2025 | $1.56M | |
| Guzman Energy, LLC | Denver, CO | - | - | - | Oct 2025 | $46.33M | $13.53M | |
| 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 | 1.8 GWh | Dec 2025 | - | ||
| Gwitchyaa ZHEE Utility Co | Fort Yukon, AK | Investor-Owned Utility | 1 | 3.2 GWh | Dec 2025 | - | ||
| H.A. Wagner LLC | Allentown, PA | Independent Power Producer | 1 | 376.5 GWh | Jun 2026 | Oct 2025 | $16.82M | |
| Hackberry Wind LLC | Portland, OR | Independent Power Producer | 1 | 256.0 GWh | Dec 2025 | - | ||
| Hadley 2 Solar, LLC | Boston, MA | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Hadley 3 Solar, LLC (South) | Boston, MA | Independent Power Producer | 2 | 6.1 GWh | Dec 2025 | - | ||
| 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 | 85.9 GWh | Jun 2026 | - | ||
| Haleon PLC | Warren, NJ | Independent Power Producer | 1 | 2.0 GWh | Dec 2025 | - | ||
| Hales Mills Solar, LLC | Boston, MA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Haley Solar, LLC | Charlotte, NC | Independent Power Producer | - | 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 | 4.7 TWh | Jun 2026 | Oct 2025 | $50.47M | |
| Hamakua Energy LP | Honokaa, HI | Independent Power Producer | 1 | 146.0 GWh | Jun 2026 | - | ||
| Hamilton Liberty O&M LLC | Towanda, PA | Independent Power Producer | 1 | 5.3 TWh | Jun 2026 | Oct 2025 | $36.63M | |
| Hamilton Operating Services, LLC | Charlotte, NC | Independent Power Producer | 1 | 6.1 TWh | Jun 2026 | - | ||
| Hamilton Patriot LLC | Charlotte, NC | - | - | - | Oct 2025 | $57.59M | ||
| Hamilton Power, LLC | Chicago, IL | Independent Power Producer | 1 | 811.8 MWh | Dec 2025 | Oct 2025 | $331.46k | |
| Hamilton Wind Energy LLC | Story City, IA | Independent Power Producer | 1 | 5.6 GWh | Dec 2025 | - | ||
| Hammer Community Solar LLC | Safety Harbor, FL | Independent Power Producer | - | 2.0 GWh | Dec 2024 | - | ||
| Hampden Landfill Solar LLC | Hampden, MA | Independent Power Producer | 1 | 1.8 GWh | Dec 2025 | - | ||
| Hampshire Paper Co Inc | Gouverneur, NY | Independent Power Producer | 1 | 14.2 GWh | Dec 2025 | - | ||
| Hampshire Power Corporation | Birmingham, AL | - | - | - | Sep 2025 | $216.86k | $1.96M | |
| Hampstead Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 10.0 GWh | Dec 2025 | - | ||
| Hampton Lumber Mills - Washington Inc | Independent Power Producer | 1 | 13.7 GWh | Dec 2025 | - | |||
| Hampton Solar I, LLC | Charlotte, NC | Independent Power Producer | - | 13.0 GWh | Dec 2024 | - | ||
| Hampton Solar II, LLC | Houston, TX | Independent Power Producer | 1 | 44.2 GWh | Jun 2026 | - | ||
| Hancock Wind LLC | Boston,, MA | Independent Power Producer | - | - | - | Jun 2025 | $1.15M | |
| Handsome Lake Energy LLC | Baltimore, MD | Independent Power Producer | 1 | 170.7 GWh | Dec 2025 | Sep 2025 | $1.97M | |
| Hanford Renewable Energy LLC | Hanford, CA | Commercial | 2 | 12.7 GWh | Dec 2025 | - | ||
| 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 | ||
| Hanover II PV LLC | New York, NY | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| Happy Jack Windpower, LLC | Charlotte, NC | - | - | - | Sep 2025 | $687.66k | ||
| Happy Solar 1, LLC | San Francisco, CA | - | - | - | Sep 2025 | $517.02k | ||
| Harbor Cogeneration Co. | Wilmington, CA | Independent Power Producer | 1 | 6.9 GWh | Nov 2025 | Oct 2025 | $48.09k | |
| Harbor Road Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Harborside Energy Of Massachusetts, LLC | Brooklyn, NY | - | - | - | Jun 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 | 595.9 GWh | Jun 2026 | Jul 2025 | $4.05M | |
| Hardin Solar Energy III LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $6.99M | ||
| Hardscrabble Wind Power LLC | Portland, OR | - | - | - | Jun 2025 | $1.68M | ||
| Hardy Hills Solar LLC | Frankfort, IN | Investor-Owned Utility | 1 | 398.4 GWh | Jun 2026 | Jun 2025 | $4.20M | |
| Harmony Florida Solar II, LLC | Juno Beach, FL | Independent Power Producer | 1 | 198.8 GWh | Jun 2026 | Jun 2025 | $1.90M | |
| Harmony Florida Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 193.2 GWh | Jun 2026 | Jun 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 | Industrial | 1 | 3.4 GWh | Dec 2025 | - | ||
| Harrisburg Authority | Harrisburg, PA | Municipally-Owned Utility | 1 | 109.8 GWh | Jun 2026 | - | ||
| Harrison Solar, LLC | Charlotte, NC | Independent Power Producer | 1 | 10.5 GWh | Dec 2025 | - | ||
| Harry Allen Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $2.76M | ||
| Hart Wind Project, LLC | Juno Beach, FL | Independent Power Producer | 1 | 771.9 GWh | Jun 2026 | - | ||
| Hartly Community Energy Initiative LLC | Baltimore, MD | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | - | ||
| Hartmann Community Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.3 GWh | Dec 2025 | - | ||
| Hartree Partners LP | New York, NY | Independent Power Producer | 1 | 2.9 TWh | Jun 2026 | Oct 2025 | $217.65M | $20.03M |
| Harts Mills Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 198.8 GWh | Jun 2026 | Sep 2025 | $2.21M | |
| Hartz Solar, LLC | Secaucus, NJ | Commercial | 11 | 22.0 GWh | Dec 2025 | - | ||
| Harvard Dedicated Energy Limited | Cambridge, MA | - | - | - | Sep 2025 | $1.78M | $1.66M | |
| Harvest Gold Solar Power, LLC | Boston, MA | Independent Power Producer | 1 | 216.5 GWh | Jun 2026 | Sep 2025 | $2.62M | |
| Harvest II Windfarm, LLC | Baltimore, MD | Independent Power Producer | 1 | 221.7 GWh | Dec 2025 | Oct 2025 | $1.57M | |
| Harvest Midstream Co | Bloomfield, NM | Industrial | 3 | 51.1 GWh | Jun 2026 | - | ||
| Harvest Ridge Wind Farm | Houston, TX | Independent Power Producer | 1 | 755.3 GWh | Jun 2026 | - | ||
| Harvest Wind Project Tic | Seattle, WA | Independent Power Producer | 1 | 257.3 GWh | Dec 2025 | - | ||
| Harvest Windfarm, LLC | Baltimore, MD | Independent Power Producer | 1 | 130.6 GWh | Dec 2025 | Jun 2025 | $1.48M | |
| Hastings Lock & Dam | Hastings, MN | Municipally-Owned Utility | 1 | 15.3 GWh | Dec 2025 | - | ||
| Hatch Solar Energy Center I, LLC | Juno Beach, FL | Independent Power Producer | 1 | 10.6 GWh | Jun 2026 | Sep 2025 | $368.63k | |
| Hatchet Ridge Wind, LLC | Houston, TX | - | - | - | Sep 2025 | $5.73M | ||
| Hatfield Renewables, LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2025 | - | ||
| Hattiesburg Farm, LLC | Nashville, TN | Independent Power Producer | 1 | 95.8 GWh | Jun 2026 | Sep 2025 | $1.41M | |
| Haverhill Coke Company, LLC | Lisle, IL | - | - | - | Oct 2025 | $3.37M | ||
| Haviland Plastic Products Co | Haviland, OH | Commercial | 1 | 14.0 GWh | Dec 2024 | - | ||
| Haw River Hydro Co | Asheboro, NC | Independent Power Producer | 1 | 3.8 GWh | Dec 2025 | - | ||
| Hawaii Electric Light Co Inc | HILO, HI | Investor-Owned Utility | 9 | 593.3 GWh | Jun 2026 | - | ||
| Hawaiian Electric Co Inc | Honolulu, HI | Investor-Owned Utility | 13 | 4.3 TWh | Jun 2026 | - | ||
| Hawkeye Energy Greenport LLC | Melville, NY | Independent Power Producer | 1 | 26.6 GWh | Dec 2025 | Mar 2021 | ||
| Hawkeye Power Partners LLC | Juno Beach, FL | Independent Power Producer | 1 | 180.5 GWh | Dec 2025 | Oct 2020 | ||
| Hawks Nest Hydro LLC | Queensbury, NY | Independent Power Producer | 2 | 413.1 GWh | Dec 2025 | Sep 2025 | $5.99M | |
| Hawtree Creek Farm Solar, LLC | Houston, TX | Independent Power Producer | 1 | 131.9 GWh | Jun 2026 | Sep 2025 | $2.07M | |
| Hay Canyon Wind LLC | Portland, OR | - | - | - | Sep 2025 | $3.53M | $367.53k | |
| Hayes Solar, LLC | Charlotte, NC | Independent Power Producer | 1 | 6.6 GWh | Dec 2025 | - | ||
| Hayhurst New Mexico Solar | Wilmington, DE | Independent Power Producer | 1 | 59.8 GWh | Dec 2025 | - | ||
| Hayhurst Texas Solar | Ontario | Independent Power Producer | 1 | 74.1 GWh | Dec 2025 | - |
Top Power Plants in United States
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Arkansas Nuclear One | Russellville, Arkansas | 14 TWh | Nov 1974 | Jun 2026 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Jun 2026 | Natural Gas : 97.3% Bituminous Coal : 2.7% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Jun 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Jun 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Jun 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | Jun 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Jun 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Jun 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Jun 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | Jun 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Jun 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Jun 2026 | Natural Gas : 69.8% Bituminous Coal : 30.0% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Jun 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | Jun 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Jun 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Jun 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Jun 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 19 TWh | Feb 1941 | Jun 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Jun 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Jun 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Jun 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Jun 2026 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Jun 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Jun 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 18 TWh | Dec 1983 | Jun 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Jun 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Jun 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Jun 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Jun 2026 | Subbituminous Coal : 75.2% Bituminous Coal : 15.7% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Jun 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Jun 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Jun 2026 | Lignite Coal : 99.2% Natural Gas : 0.8% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Jun 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Jun 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Jun 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Jun 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Jun 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Jun 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Jun 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 18 TWh | Jun 1981 | Jun 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Jun 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Jun 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | Jun 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Jun 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Jun 2026 | Nuclear : 64.6% Natural Gas : 35.4% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Jun 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Jun 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Jun 2026 | Subbituminous Coal : 81.2% Natural Gas : 18.8% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Jun 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Jun 2026 | Natural Gas |