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 2025Q1 Seller Transactions | FERC 2025Q1 Buyer Transactions |
|---|---|---|---|---|---|---|---|---|
| Griffith Energy LLC | Kingman, AZ | Independent Power Producer | 1 | 3.7 TWh | Apr 2025 | Mar 2025 | $34.17M | $176.75k |
| Grimm CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.9 GWh | Dec 2024 | - | ||
| Grissom Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 11.1 GWh | Dec 2023 | Mar 2025 | $449.75k | |
| Grizzly Mountain Ranch | Zenia, CA | Independent Power Producer | 1 | 3.0 GWh | Dec 2023 | - | ||
| Grizzly Ridge Solar LLC | Hamilton, TX | Independent Power Producer | 1 | 157.1 GWh | Apr 2025 | - | ||
| Groton Bess 1 LLC | Arlington, VA | Independent Power Producer | 1 | -117.0 MWh | Dec 2024 | Mar 2025 | $55.29k | |
| Groton Bess 2 LLC | Arlington, VA | Independent Power Producer | 1 | -147.0 MWh | Dec 2024 | Mar 2025 | $45.56k | |
| 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 | 36.4 GWh | Dec 2023 | Mar 2025 | $516.37k | |
| Groton Wind, LLC | Portland, OR | - | - | - | Mar 2025 | $4.48M | ||
| GRP Franklin, LLC | Carnesville, GA | - | - | - | Jun 2025 | $8.87M | ||
| GRP Franklin Renewable Energy Facility, LLC | Carnesville, GA | Independent Power Producer | 1 | 386.5 GWh | Apr 2025 | - | ||
| GRP Madison, LLC | Colbert, GA | - | - | - | Jun 2025 | $10.80M | ||
| GRP Madison Renewable Energy Facility, LLC | Colbert, GA | Independent Power Producer | 1 | 399.1 GWh | Apr 2025 | - | ||
| GRP Te Lessee, LLC | Houston, TX | - | - | - | Jun 2025 | $19.67M | ||
| GSA Metropolitan Service Center | Washington, DC | Federally-Owned Utility | 1 | 78.0 GWh | Apr 2025 | - | ||
| Gseone | Houston, TX | Independent Power Producer | 1 | 165.0 GWh | Apr 2025 | - | ||
| GSG 6, LLC | Oakville, ON | - | - | - | Jun 2025 | $2.03M | ||
| GSG Wind, LLC | Dallas, TX | - | - | - | Jul 2025 | $4.86M | ||
| GSP Lost Nation LLC | Bow, NH | - | - | - | Mar 2025 | $26.42k | ||
| GSP Merrimack LLC | Bow, NH | - | - | - | Mar 2025 | $18.14M | ||
| GSP Newington LLC | Bow, NH | - | - | - | Mar 2025 | $13.82M | ||
| GSP Schiller LLC | Bow, NH | - | - | - | Mar 2025 | $52.82k | ||
| GSP White Lake LLC | Bow, NH | - | - | - | Mar 2025 | $52.88k | ||
| GSPP Boxborough Littleton, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Guadalupe Power Partners LP | |Independent Power Producer | 2 | 6.4 TWh | Apr 2025 | - | |||
| Guernsey Power Station LLC | New York, NY | Independent Power Producer | 1 | 11.5 TWh | Apr 2025 | Jul 2025 | $148.25M | |
| Gulf Coast Solar Center II, LLC | Scottsdale, AZ | - | - | - | Mar 2025 | $1.27M | ||
| Gulf Coast Solar Center III, LLC | Scottsdale, AZ | - | - | - | Mar 2025 | $1.39M | ||
| 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 | 168.5 GWh | Apr 2025 | Jun 2025 | $1.13M | |
| Guzman Western Slope LLC | Denver, CO | - | - | - | Mar 2025 | $8.85M | ||
| 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 | 193.9 GWh | Apr 2025 | Apr 2025 | $25.48M | |
| H.Q. Energy Services (U.S.) Inc. | Montreal, QC | - | - | - | Jun 2025 | $434.51M | ||
| 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 | 7.1 GWh | Apr 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 | - | ||
| Hallador Power Company, LLC | Terra Haute, IN | Independent Power Producer | 1 | 4.6 TWh | Apr 2025 | Jul 2025 | $117.25M | $743.15k |
| Hamakua Energy, LLC | Honokaa, HI | Independent Power Producer | 1 | 55.6 GWh | Apr 2025 | - | ||
| Hamilton Liberty O&M LLC | Towanda, PA | Independent Power Producer | 1 | 5.6 TWh | Apr 2025 | Jul 2025 | $47.30M | |
| Hamilton Operating Services, LLC | Charlotte, NC | Independent Power Producer | 1 | 6.4 TWh | Apr 2025 | - | ||
| Hamilton Patriot LLC | Charlotte, NC | - | - | - | Jul 2025 | $82.57M | ||
| Hamilton Power, LLC | Chicago, IL | Independent Power Producer | 1 | -203.6 MWh | Dec 2024 | Jul 2025 | $109.39k | |
| 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 | - | ||
| Hampshire Power Corporation | Easthampton, MA | - | - | - | Mar 2025 | $402.53k | $1.67M | |
| 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 | 40.8 GWh | Apr 2025 | - | ||
| Hancock County Wind, LLC | Juno Beach, FL | - | - | - | Jun 2025 | $1.73M | ||
| Hancock Wind LLC | Boston,, MA | Independent Power Producer | - | - | - | Jun 2025 | $2.21M | |
| Handsome Lake Energy LLC | Baltimore, MD | Independent Power Producer | 1 | 95.2 GWh | Dec 2024 | Mar 2025 | $7.00M | |
| 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 | - | - | - | Apr 2025 | $128.48M | ||
| Happy Jack Windpower, LLC | Charlotte, NC | - | - | - | Jun 2025 | $1.10M | ||
| Happy Solar 1, LLC | San Francisco, CA | - | - | - | Jun 2025 | $372.24k | ||
| 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 | Feb 2025 | $53.45k | |
| Harbor Road Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2024 | - | ||
| Harborside Energy, LLC | Brooklyn, NY | - | - | - | Apr 2025 | $52.06k | ||
| Hardee Power Partners Limited | Chicago, IL | - | - | - | Jun 2025 | $7.63M | ||
| Hardin Solar Energy II LLC | Chicago, IL | Independent Power Producer | - | - | - | Mar 2025 | $2.08M | |
| Hardin Solar Energy III | Chicago, IL | Independent Power Producer | 1 | 91.0 GWh | Apr 2025 | Jul 2025 | $2.05M | |
| Hardin Wind LLC | Austin, TX | - | - | - | Apr 2025 | $13.39M | ||
| Hardscrabble Wind Power LLC | Portland, OR | - | - | - | Mar 2025 | $3.43M | ||
| Hardy Hills Solar LLC | Frankfort, IN | Investor-Owned Utility | 1 | 357.5 GWh | Apr 2025 | Mar 2025 | $2.37M | |
| Harmony Florida Solar II, LLC | Juno Beach, FL | Independent Power Producer | 1 | 72.8 GWh | Apr 2025 | Jun 2025 | $1.43M | |
| Harmony Florida Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 173.9 GWh | Apr 2025 | Jun 2025 | $1.44M | |
| Harris Farms Inc | Coalinga, CA | Commercial | 1 | 3.0 GWh | Dec 2024 | - | ||
| Harrisburg Authority | Harrisburg, PA | Municipally-Owned Utility | 1 | 102.3 GWh | Apr 2025 | - | ||
| Harrison Solar, LLC | Charlotte, NC | Independent Power Producer | 1 | 10.7 GWh | Dec 2024 | - | ||
| Harry Allen Solar Energy LLC | Chicago, IL | - | - | - | Jul 2025 | $1.82M | ||
| 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 | 2.7 TWh | Apr 2025 | Jul 2025 | $253.43M | $24.60M |
| Harts Mills Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 176.4 GWh | Apr 2025 | Jun 2025 | $1.06M | |
| Hartz Solar Hamilton LLC | Commercial | - | 9.5 GWh | Dec 2023 | - | |||
| Hartz Solar, LLC | Secaucus, NJ | Commercial | 11 | 19.8 GWh | Dec 2024 | - | ||
| Harvard Dedicated Energy Limited | Cambridge, MA | - | - | - | Jun 2025 | $4.33M | $1.66M | |
| Harvest Gold Solar Power, LLC | Boston, MA | Independent Power Producer | 1 | 137.6 GWh | Apr 2025 | Feb 2025 | $660.26k | |
| Harvest II Windfarm, LLC | Baltimore, MD | Independent Power Producer | 1 | 218.5 GWh | Dec 2024 | Apr 2025 | $2.78M | |
| Harvest Midstream Co | Bloomfield, NM | Industrial | 3 | 48.1 GWh | Apr 2025 | - | ||
| Harvest Ridge Wind Farm | Houston, TX | Independent Power Producer | 1 | 723.1 GWh | Apr 2025 | - | ||
| Harvest Wind Project Tic | Seattle, WA | Independent Power Producer | 1 | 276.5 GWh | Dec 2024 | - | ||
| Harvest Windfarm, LLC | Baltimore, MD | Independent Power Producer | 1 | 125.2 GWh | Dec 2024 | Mar 2025 | $2.49M | |
| Hastings Lock & Dam | Hastings, MN | Municipally-Owned Utility | 1 | 15.7 GWh | Dec 2024 | - | ||
| Hatch Solar Energy Center I, LLC | Juno Beach, FL | Independent Power Producer | 1 | 10.8 GWh | Apr 2025 | Jun 2025 | $273.69k | |
| Hatchet Ridge Wind, LLC | Houston, TX | - | - | - | Mar 2025 | $9.01M | ||
| Hatfield Renewables, LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2024 | - | ||
| Hattiesburg Farm, LLC | Nashville, TN | Independent Power Producer | 1 | 95.5 GWh | Apr 2025 | Mar 2025 | $1.43M |
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 | May 2025 | Nuclear |
| Barry | Bucks, Alabama | 14 TWh | Jan 1954 | May 2025 | Natural Gas : 93.4% Bituminous Coal : 6.6% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | May 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | May 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | May 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 29 TWh | Jul 1974 | May 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | May 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | May 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | May 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | May 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | May 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | May 2025 | Natural Gas : 77.9% Bituminous Coal : 21.9% |
| Diablo Canyon | Avila Beach, California | 19 TWh | Apr 1985 | May 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | May 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | May 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | May 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 12 TWh | Sep 1974 | May 2025 | Bituminous Coal : 99.4% Distillate Fuel Oil : 0.6% |
| Ghent | Ghent, Kentucky | 11 TWh | Jan 1974 | May 2025 | Bituminous Coal : 99.9% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | May 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 12 TWh | Jun 1985 | May 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | May 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | May 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | May 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | May 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 18 TWh | Sep 1978 | May 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 14 TWh | Nov 1977 | May 2025 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | May 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | May 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | May 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | May 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 16 TWh | Nov 1975 | May 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | May 2025 | Subbituminous Coal : 74.4% Bituminous Coal : 15.9% Petroleum Coke : 9.5% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | May 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | May 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | May 2025 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | May 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | May 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 11 TWh | May 2012 | May 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 17 TWh | May 1971 | May 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | May 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | May 2025 | Water |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | May 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | May 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | May 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | May 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | May 2025 | Nuclear : 67.4% Natural Gas : 32.6% |
| Vogtle | Waynesboro, Georgia | 35 TWh | Apr 1987 | May 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | May 2025 | Subbituminous Coal : 83.3% Natural Gas : 16.7% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | May 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | May 2025 | Natural Gas : 99.9% |