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 |
|---|---|---|---|---|---|---|---|---|
| Harbec Energy | Ontario, NY | Industrial | 1 | 655.1 MWh | Dec 2024 | - | ||
| Happy Solar 1, LLC | San Francisco, CA | - | - | - | Sep 2025 | $517.02k | ||
| Happy Jack Windpower, LLC | Charlotte, NC | - | - | - | Sep 2025 | $687.66k | ||
| Hanging Rock Power Company LLC | Irving, TX | - | - | - | Oct 2025 | $103.44M | ||
| Hangar 160 LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Hanford Renewable Energy LLC | Hanford, CA | Commercial | 2 | 12.3 GWh | Dec 2024 | - | ||
| Handsome Lake Energy LLC | Baltimore, MD | Independent Power Producer | 1 | 95.2 GWh | Dec 2024 | Sep 2025 | $1.97M | |
| Hancock Wind LLC | Boston,, MA | Independent Power Producer | - | - | - | Sep 2025 | $1.15M | |
| Hancock County Wind, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $1.32M | ||
| Hampton Solar II, LLC | Houston, TX | Independent Power Producer | 1 | 44.5 GWh | Sep 2025 | - | ||
| Hampton Solar I, LLC | Asheville, NC | Independent Power Producer | 1 | 13.0 GWh | Dec 2024 | - | ||
| Hampton Lumber Mills - Washington Inc | Independent Power Producer | 1 | 18.4 GWh | Dec 2024 | - | |||
| Hampstead Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 9.6 GWh | Dec 2024 | - | ||
| Hampshire Power Corporation | Birmingham, AL | - | - | - | Sep 2025 | $216.86k | $1.96M | |
| Hampshire Paper Co Inc | Gouverneur, NY | Independent Power Producer | 1 | 12.1 GWh | Dec 2024 | - | ||
| Hammer Community Solar LLC | Safety Harbor, FL | Independent Power Producer | 1 | 2.0 GWh | Dec 2024 | - | ||
| Hamilton Wind Energy LLC | Story City, IA | Independent Power Producer | 1 | 5.5 GWh | Dec 2024 | - | ||
| Hamilton Power, LLC | Chicago, IL | Independent Power Producer | 1 | -203.6 MWh | Dec 2024 | Oct 2025 | $331.46k | |
| Hamilton Patriot LLC | Charlotte, NC | - | - | - | Oct 2025 | $57.59M | ||
| Hamilton Operating Services, LLC | Charlotte, NC | Independent Power Producer | 1 | 7.0 TWh | Sep 2025 | - | ||
| Hamilton Liberty O&M LLC | Towanda, PA | Independent Power Producer | 1 | 5.7 TWh | Sep 2025 | Oct 2025 | $36.63M | |
| Hamakua Energy LP | Honokaa, HI | Independent Power Producer | 1 | 72.2 GWh | Sep 2025 | - | ||
| Hallador Power Company, LLC | Terra Haute, IN | Independent Power Producer | 1 | 5.2 TWh | Sep 2025 | Oct 2025 | $50.47M | |
| Halia Energy LLC | Dover, DE | - | - | - | Oct 2025 | $1.23M | ||
| Haley Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 10.4 GWh | Dec 2024 | - | ||
| Hales Mills Solar, LLC | Boston, MA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Haleon PLC | Warren, NJ | Independent Power Producer | 1 | 837.0 MWh | Dec 2024 | - | ||
| Hale Kuawehi Solar LLC | San Diego, CA | Independent Power Producer | 1 | 47.8 GWh | Sep 2025 | - | ||
| Haida Energy, Inc. | Ketchikan, AK | Investor-Owned Utility | 1 | 6.0 GWh | Dec 2024 | - | ||
| Hadley 3 Solar, LLC (South) | Boston, MA | Independent Power Producer | 2 | 6.3 GWh | Dec 2024 | - | ||
| Hadley 2 Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Hackberry Wind LLC | Portland, OR | Independent Power Producer | 1 | 358.1 GWh | Dec 2024 | - | ||
| H.Q. Energy Services (U.S.) Inc. | Montreal, QC | - | - | - | Oct 2025 | $156.74M | $7.44M | |
| H.A. Wagner LLC | Allentown, PA | Independent Power Producer | 1 | 206.2 GWh | Sep 2025 | Oct 2025 | $16.82M | |
| Gwitchyaa ZHEE Utility Co | Fort Yukon, AK | Investor-Owned Utility | 1 | 2.8 GWh | Dec 2023 | - | ||
| GWE Cranberry Solar RT, LLC | Middleborough, MA | Independent Power Producer | 1 | 1.5 GWh | Dec 2024 | - | ||
| GWCC PV Solar Farm | Beltsville, MD | Federally-Owned Utility | 1 | 2.2 GWh | Dec 2024 | - | ||
| Guzman Western Slope LLC | Denver, CO | - | - | - | Sep 2025 | $6.42M | ||
| Guzman Energy, LLC | Denver, CO | - | - | - | Oct 2025 | $46.33M | $13.53M | |
| Gunsight Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 185.2 GWh | Sep 2025 | Sep 2025 | $1.56M | |
| Gundersen Lutheran Biogas I LLC | La Crosse, WI | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| Gulf Coast Solar Center III, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $2.01M | ||
| Gulf Coast Solar Center II, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $1.67M | ||
| Guernsey Power Station LLC | New York, NY | Independent Power Producer | 1 | 12.6 TWh | Sep 2025 | Oct 2025 | $86.92M | |
| Guadalupe Power Partners LP | |Independent Power Producer | 2 | 6.4 TWh | Sep 2025 | - | |||
| Guadalupe Blanco River Authority | Seguin, TX | State-Owned Utility | 7 | 4.8 GWh | Dec 2024 | - | ||
| GSPP Boxborough Littleton, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| GSP White Lake LLC | Bow, NH | - | - | - | Sep 2025 | $169.51k | ||
| GSP Schiller LLC | Bow, NH | - | - | - | Sep 2025 | $123.46k | ||
| GSP Newington LLC | Bow, NH | - | - | - | Oct 2025 | $11.80M | $1.40M | |
| GSP Merrimack LLC | Bow, NH | - | - | - | Sep 2025 | $2.95M | ||
| GSP Lost Nation LLC | Bow, NH | - | - | - | Sep 2025 | $162.40k | ||
| GSG Wind, LLC | Dallas, TX | - | - | - | Oct 2025 | $1.77M | ||
| GSG 6, LLC | Oakville, ON | - | - | - | Oct 2025 | $1.45M | ||
| Gseone | Houston, TX | Independent Power Producer | 1 | 179.0 GWh | Sep 2025 | - | ||
| GSA Metropolitan Service Center | Washington, DC | Federally-Owned Utility | 1 | 94.1 GWh | Sep 2025 | - | ||
| GRP Te Lessee, LLC | Issaquah, WA | - | - | - | Oct 2025 | $16.61M | ||
| GRP Madison Renewable Energy Facility, LLC | Colbert, GA | Independent Power Producer | 1 | 459.3 GWh | Sep 2025 | - | ||
| GRP Madison, LLC | Colbert, GA | - | - | - | Sep 2025 | $8.27M | ||
| GRP Franklin Renewable Energy Facility, LLC | Carnesville, GA | Independent Power Producer | 1 | 415.4 GWh | Sep 2025 | - | ||
| GRP Franklin, LLC | Carnesville, GA | - | - | - | Sep 2025 | $8.34M | ||
| Groton Wind, LLC | Portland, OR | - | - | - | Sep 2025 | $1.21M | ||
| Groton Station Fuel Cell, LLC | Danbury, CT | Independent Power Producer | 1 | 44.3 GWh | Dec 2024 | Sep 2025 | $483.85k | |
| Groton Fuel Cell 1 LLC | Danbury, CT | Independent Power Producer | 1 | 33.6 GWh | Dec 2024 | - | ||
| Groton Bess 2 LLC | Arlington, VA | Independent Power Producer | 1 | -147.0 MWh | Dec 2024 | Sep 2025 | $28.83k | |
| Groton Bess 1 LLC | Arlington, VA | Independent Power Producer | 1 | -117.0 MWh | Dec 2024 | Sep 2025 | $33.37k | |
| Grizzly Ridge Solar LLC | Hamilton, TX | Independent Power Producer | 1 | 157.2 GWh | Sep 2025 | - | ||
| Grizzly Mountain Ranch | Zenia, CA | Independent Power Producer | 1 | 2.8 GWh | Dec 2024 | - | ||
| Grissom Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 10.6 GWh | Dec 2024 | Sep 2025 | $507.31k | |
| Grimm CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.9 GWh | Dec 2024 | - | ||
| Griffith Energy LLC | Kingman, AZ | Independent Power Producer | 1 | 4.1 TWh | Sep 2025 | Sep 2025 | $25.28M | $13.33k |
| Griffiss Utility Services Corporation | Rome, NY | - | - | - | Oct 2025 | $118.20k | ||
| Griffin Trail Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 708.9 GWh | Sep 2025 | - | ||
| Griffin Road Solar LLC | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | |||
| Griffin Road Solar 2, LLC | Boston, MA | Independent Power Producer | 1 | 2.4 GWh | Dec 2024 | - | ||
| Grid Power Direct, LLC | Brooklyn, NY | - | - | - | Oct 2025 | $553.32k | $108.95k | |
| Gregory Power Partners LLC | Princeton, NJ | Industrial | 1 | 661.2 GWh | Sep 2025 | - | ||
| Greensville County Solar Project, LLC | Richmond, VA | - | - | - | Oct 2025 | $1.87M | ||
| Greenstone Solar, LLC | New York, NY | Independent Power Producer | 1 | 38.0 GWh | Dec 2024 | - | ||
| Greensburg Wind Farm, LLC | Baltimore, MD | Independent Power Producer | 1 | 12.0 GWh | Dec 2024 | - | ||
| Greenlight Energy Inc. | Birmingham, AL | - | - | - | Oct 2025 | $25.50k | ||
| Greenleaf Energy Unit 2 LLC | Birmingham, AL | - | - | - | Sep 2025 | $18.29k | ||
| Greenleaf Energy LLC | YUBA City, CA | Independent Power Producer | 1 | 16.3 GWh | Sep 2025 | - | ||
| Greenidge Generation Holdings LLC | Dresden, NY | Independent Power Producer | 1 | 730.3 GWh | Dec 2024 | Oct 2025 | $2.84M | |
| Greenfield Wind Power, LLC | San Francisco, CA | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | - | ||
| Greenbacker Renewable Energy Corporation | New York, NY | Independent Power Producer | 202 | 3.1 TWh | Sep 2025 | - | ||
| Green USA, LLC | Brooklyn, NY | - | - | - | Oct 2025 | $1.39k | ||
| Green Street Power Partners | Stamford, CT | Commercial | 39 | 159.4 GWh | Dec 2024 | - | ||
| Green River Wind Farm Phase 1, LLC | Bloomington, MN | Independent Power Producer | 1 | 532.8 GWh | Sep 2025 | Oct 2025 | $3.33M | |
| Green River Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 200.1 GWh | Sep 2025 | Sep 2025 | $3.39M | |
| Green Providence Wind II, LLC | Cranston, RI | Independent Power Producer | 1 | 4.0 GWh | Dec 2024 | - | ||
| Green Providence Wind I, LLC | Cranston, RI | Independent Power Producer | 1 | 1.7 GWh | Dec 2024 | - | ||
| Green Pastures Wind II, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 319.4 GWh | Dec 2024 | - | ||
| Green Pastures Wind I, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 296.4 GWh | Dec 2024 | - | ||
| Green Mountain Power Corp | Colchester, VT | Investor-Owned Utility | 47 | 632.7 GWh | Sep 2025 | Oct 2025 | $8.19M | $48.76M |
| Green Mountain Energy Company | Princeton, NJ | - | - | - | Oct 2025 | $202.88k | ||
| Green Mile Solar, LLC | New York, NY | Independent Power Producer | 1 | 7.2 GWh | Dec 2024 | - | ||
| Green Energy Machine, LLC | Greenfield, IA | Independent Power Producer | 1 | 7.3 GWh | Dec 2024 | - | ||
| Green Cow Power LLC | Goshen, IN | Industrial | 1 | 14.4 GWh | Dec 2024 | - | ||
| Green Country Op Services LLC | Jenks, OK | Independent Power Producer | 1 | 4.6 TWh | 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 | Sep 2025 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Sep 2025 | Natural Gas : 92.7% Bituminous Coal : 7.3% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Sep 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | Sep 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Sep 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 29 TWh | Jul 1974 | Sep 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Sep 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Sep 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Sep 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Sep 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Sep 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Sep 2025 | Natural Gas : 78.9% Bituminous Coal : 20.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Sep 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Sep 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Sep 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Sep 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Sep 2025 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Sep 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Sep 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Sep 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Sep 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Sep 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Sep 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Sep 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 14 TWh | Nov 1977 | Sep 2025 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Sep 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | Sep 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Sep 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Sep 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 16 TWh | Nov 1975 | Sep 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Sep 2025 | Subbituminous Coal : 74.0% Bituminous Coal : 16.6% Petroleum Coke : 9.2% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Sep 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Sep 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 23 TWh | Jun 1973 | Sep 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Sep 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Sep 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Sep 2025 | Nuclear |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 17 TWh | May 1971 | Sep 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Sep 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | Sep 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 12 TWh | Jun 1981 | Sep 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Sep 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 17 TWh | Apr 1976 | Sep 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | Sep 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Sep 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Sep 2025 | Nuclear : 67.7% Natural Gas : 32.3% |
| Vogtle | Waynesboro, Georgia | 36 TWh | Apr 1987 | Sep 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Sep 2025 | Subbituminous Coal : 83.7% Natural Gas : 16.3% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Sep 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Sep 2025 | Natural Gas : 99.9% |