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 |
|---|---|---|---|---|---|---|---|---|
| Marcus Hook Energy LP | Marcus Hook, PA | Independent Power Producer | 1 | 6.7 TWh | Aug 2025 | Oct 2025 | $54.07M | |
| Marlow Solar, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 4.5 GWh | Dec 2024 | - | ||
| Marsh Landing LLC | Antioch, CA | Independent Power Producer | 1 | 80.7 GWh | Aug 2025 | Oct 2025 | $17.93M | |
| Marshall Solar Energy Project | Juno Beach, FL | Independent Power Producer | 2 | 111.0 GWh | Aug 2025 | - | ||
| Mechanicville Hydroelectric Station | Mechanicville, NY | Independent Power Producer | 1 | 24.4 GWh | Dec 2024 | - | ||
| Marshall Wind Energy LLC | De SOTO, IA | Independent Power Producer | - | - | - | Sep 2025 | $2.64M | |
| Mechanicsville Solar, LLC | Mooresville, NC | Independent Power Producer | 1 | 59.5 GWh | Aug 2025 | Oct 2025 | $867.24k | |
| Marshall Wind Farm, LLC | Edina, MN | Independent Power Producer | 6 | 29.4 GWh | Dec 2024 | - | ||
| Martin County Solar Project, LLC | Houston, TX | Independent Power Producer | 1 | 160.7 GWh | Aug 2025 | Jul 2025 | $2.65M | |
| Marco Power Inc | Twin Falls, ID | Independent Power Producer | 1 | 958.0 MWh | Oct 2024 | - | ||
| Marbury Point Solar LLC | Framingham, MA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Marble River, LLC | Houston, TX | Independent Power Producer | 1 | 498.5 GWh | Aug 2025 | Oct 2025 | $3.60M | |
| Mapleton Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 5.2 GWh | Dec 2024 | - | ||
| Maple Street Solar 1, LLC | San Francisco, CA | Independent Power Producer | 1 | 7.2 GWh | Dec 2024 | - | ||
| Mendota US Solar 1 LLC | Jersey City, NJ | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| Mantisi Solar LLC | New York, NY | Independent Power Producer | 1 | 6.5 GWh | Dec 2024 | - | ||
| Merimil Ltd Partnership | Lewiston, ME | Independent Power Producer | 1 | 14.6 GWh | Dec 2024 | - | ||
| Manchester Street, LLC. | Providence, RI | Independent Power Producer | 1 | 1.9 TWh | Aug 2025 | Sep 2025 | $28.13M | |
| Mammoth Plains Wind Project | Juno Beach, FL | Independent Power Producer | 1 | 790.8 GWh | Dec 2024 | Jun 2025 | $1.59M | |
| Mammoth North, LLC | Philadelphia, PA | Independent Power Producer | 1 | 617.4 GWh | Aug 2025 | Oct 2025 | $10.42M | |
| Malmedal Garden LLC | Minneapolis, MN | Independent Power Producer | 1 | 1.7 GWh | Dec 2024 | - | ||
| Malaga Bess LLC | Chicago, IL | Independent Power Producer | 1 | -2.2 GWh | Aug 2025 | Oct 2025 | $527.40k | |
| Malacha Hydro Ltd Partnership | Marlborough, MA | Independent Power Producer | - | - | Dec 2018 | Sep 2025 | $2.24M | |
| Major Oak Power, LLC | Bremond, TX | Independent Power Producer | 1 | 2.4 TWh | Aug 2025 | - | ||
| Maverick Solar 6, LLC | San Diego, CA | Independent Power Producer | 1 | 270.5 GWh | Aug 2025 | Oct 2025 | $3.61M | |
| McHenry Battery Storage | Toronto, ON | Independent Power Producer | 1 | -282.0 MWh | Dec 2024 | Jul 2025 | $1.65M | |
| McDonough Solar 1, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| McKittrick Limited | Bakersfield, CA | Independent Power Producer | - | - | Dec 2015 | Sep 2025 | $1.58M | |
| McCoy Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 674.0 GWh | Dec 2024 | Sep 2025 | $27.30M | |
| McCallum Enterprises I LP | Stratford, CT | Independent Power Producer | 1 | 25.2 GWh | Dec 2024 | - | ||
| MC6 Hydro Facility | Ivins, UT | Independent Power Producer | 1 | 3.1 GWh | Oct 2024 | - | ||
| MC1 Solar Farm, LLC | Williamston, NC | Independent Power Producer | 1 | 9.4 GWh | Dec 2024 | - | ||
| MC Power Companies Inc | Lee's Summit, MO | Independent Power Producer | 3 | 23.1 GWh | Aug 2025 | - | ||
| Me Sandy River LLC | Houston, TX | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| May Shannon Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 4.2 GWh | Dec 2024 | - | ||
| Maxsolar | Edison, NJ | Independent Power Producer | 1 | 4.5 GWh | Dec 2024 | - | ||
| Maverick Solar LLC | San Diego, CA | Independent Power Producer | 2 | 412.1 GWh | Aug 2025 | Oct 2025 | $3.87M | |
| Meadow Lake Wind Farm II LLC | Houston, TX | Independent Power Producer | 1 | 254.5 GWh | Dec 2024 | Oct 2025 | $2.58M | |
| Meadow Lake Wind Farm III LLC | Houston, TX | Independent Power Producer | 1 | 289.7 GWh | Dec 2024 | Oct 2025 | $2.67M | |
| Maverick Solar 7, LLC | San Diego, CA | Independent Power Producer | 1 | 372.4 GWh | Aug 2025 | Oct 2025 | $3.10M | |
| Ma CS Dighton, LLC | New York, NY | Independent Power Producer | 1 | 2.4 GWh | Dec 2024 | - | ||
| Maverick Solar 4, LLC | San Diego, CA | Independent Power Producer | 1 | 297.4 GWh | Aug 2025 | Oct 2025 | $3.96M | |
| Meadow Lake Wind Farm IV LLC | Houston, TX | Independent Power Producer | 1 | 214.2 GWh | Dec 2024 | Oct 2025 | $963.38k | |
| Meadow Lake Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 475.4 GWh | Dec 2024 | Oct 2025 | $4.25M | |
| Maston Garden LLC | Kasson, MN | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Masspower | Indian Orchard, MA | Independent Power Producer | 1 | 486.5 GWh | Dec 2024 | Sep 2025 | $6.72M | |
| Meadow Lake Wind Farm V LLC | Houston, TX | Independent Power Producer | 1 | 340.5 GWh | Aug 2025 | Oct 2025 | $6.45M | |
| Meadow Lake Wind Farm VI LLC | Chalmers, IN | Independent Power Producer | 1 | 673.2 GWh | Aug 2025 | Oct 2025 | $9.89M | |
| Masser Farms Realty Ltd | Sacramento, PA | Independent Power Producer | 1 | 1.2 GWh | Dec 2024 | - | ||
| Meadow Ridge Wind Energy, LLC | Greenfield, IA | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | - | ||
| Meadowlark Solar, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 9.9 GWh | Dec 2024 | - | ||
| Mass Solar, LLC | The Woodlands, TX | Independent Power Producer | 4 | 20.3 GWh | Dec 2024 | - | ||
| Mas Durham Power, LLC | Nashville, TN | Independent Power Producer | 1 | 10.8 GWh | Dec 2024 | - | ||
| Marysville Hydro Partners | Boise, ID | Independent Power Producer | 1 | 50.7 GWh | Dec 2024 | - | ||
| Meadowlark Wind I LLC | Edmonton, AB | Independent Power Producer | 1 | 417.8 GWh | Aug 2025 | Oct 2025 | $1.94M | |
| MEC Holdings LLC | Independent Power Producer | 1 | 3.0 TWh | Dec 2024 | - | |||
| Madison Fields Solar Project, LLC | Kansas City, MO | Independent Power Producer | 1 | 420.7 GWh | Aug 2025 | Oct 2025 | $5.69M | |
| Mesquite Power LLC | Arlington, AZ | Independent Power Producer | 1 | 4.6 TWh | Aug 2025 | Oct 2025 | $4.01M | $1.65M |
| Maine DG Solar Baldwin, LLC | Boston, MA | Independent Power Producer | 1 | 10.1 GWh | Dec 2024 | - | ||
| MAAS Energy Works | Redding, CA | Independent Power Producer | 4 | 4.3 GWh | Dec 2024 | - | ||
| Maine DG Solar Augusta, LLC | Boston, MA | Independent Power Producer | 1 | 4.8 GWh | Dec 2024 | - | ||
| Mahoning Creek Hydroelectric Company LLC | Chevy Chase, MD | Independent Power Producer | - | - | Dec 2020 | Oct 2025 | $271.89k | |
| Ma CS Ware West, LLC | San Francisco, CA | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| Ma CS Uxbridge, LLC | San Francisco, CA | Independent Power Producer | 1 | 7.6 GWh | Dec 2024 | - | ||
| Maine DG Solar Harmony, LLC | Boston, MA | Independent Power Producer | 1 | 9.2 GWh | Dec 2024 | - | ||
| Mahipapa LLC | Honolulu, HI | Independent Power Producer | 1 | 10.3 GWh | Dec 2024 | - | ||
| Magdaline Solar, LLC | Jersey City, NJ | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Madera DP 2, LLC | Valencia, CA | Independent Power Producer | 1 | 12.9 GWh | Dec 2024 | - | ||
| Madison Energy Holdings LLC | Tysons, VA | Independent Power Producer | 52 | 181.3 GWh | Dec 2024 | - | ||
| Maine DG Solar Monmouth, LLC | Boston, MA | Independent Power Producer | 1 | 9.6 GWh | Dec 2024 | - | ||
| Messalonskee Stream Hydro LLC | Oakland, ME | Independent Power Producer | 3 | 23.6 GWh | Dec 2024 | Aug 2014 | ||
| Mesquite Wind LLC | Abilene, TX | Independent Power Producer | 2 | 789.1 GWh | Aug 2025 | - | ||
| Macadamia Nut Road Solar Project 2019 | Schenectady, NY | Independent Power Producer | 1 | 1.4 GWh | Dec 2024 | - | ||
| Maine DG Solar Pittsfield, LLC | Boston, MA | Independent Power Producer | 1 | 8.7 GWh | Dec 2024 | - | ||
| Madison Windpower LLC | Houston, TX | Independent Power Producer | 1 | 1.2 GWh | Aug 2025 | - | ||
| Mesquite Star Special LLC | San Francisco, CA | Independent Power Producer | 1 | 1.2 TWh | Aug 2025 | - | ||
| Madison Energy Investments LLC | Vienna, VA | Independent Power Producer | 43 | 64.2 GWh | Aug 2025 | - | ||
| Mesa Wind Repower | New York, NY | Independent Power Producer | 1 | 134.4 GWh | Aug 2025 | - | ||
| Macbeth Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 39.7 GWh | Dec 2024 | - | ||
| Ameresco | Knoxville, TN | Federally-Owned Utility|Independent Power Producer | 5 | 93.7 GWh | Jul 2025 | - | ||
| Air Force Civil Engineer Center | OTIS ANG Base, MA | Federally-Owned Utility | 1 | 10.4 GWh | Dec 2024 | - | ||
| Argonne National Laboratory | Lemont, IL | Federally-Owned Utility | 1 | 51.5 GWh | Dec 2024 | - | ||
| 158TH Fighter Wing | South Burlington, VT | Federally-Owned Utility | 1 | 1.3 GWh | Dec 2023 | - | ||
| Department Of The Navy | San Diego, CA | Federally-Owned Utility | 1 | 19.7 GWh | Aug 2025 | - | ||
| Colorado River Indian IRR PROJ | Parker, AZ | Federally-Owned Utility | 1 | 36.9 GWh | Dec 2024 | - | ||
| DOD USMC Marine Air Ground Combat | Twentynine Palms, CA | Federally-Owned Utility | 2 | 73.5 GWh | Dec 2024 | - | ||
| US Army Corps Of Engineers | St. Stephen, SC | Federally-Owned Utility | 1 | 265.5 GWh | Dec 2024 | - | ||
| Tennessee Valley Authority | Knoxville, TN | Federally-Owned Utility | 61 | 152.8 TWh | Aug 2025 | Oct 2025 | $2.18M | $275.07M |
| U S Air Force-Eielson AFB | Eielson AFB, AK | Federally-Owned Utility | 1 | 93.6 GWh | Dec 2024 | - | ||
| U.S. Army - Radford | Radford, VA | Federally-Owned Utility | 1 | 37.7 GWh | Dec 2024 | - | ||
| USCE-Wilmington District | Boydton, VA | Federally-Owned Utility | 2 | 494.9 GWh | Dec 2024 | - | ||
| USCE -Vickburg District | Royal, AR | Federally-Owned Utility | 3 | 316.8 GWh | Aug 2025 | - | ||
| USCE-Tulsa District | Tulsa, OK | Federally-Owned Utility | 8 | 1.4 TWh | Dec 2024 | - | ||
| USCE-St Louis District | Monroe City, MO | Federally-Owned Utility | 1 | 112.2 GWh | Aug 2025 | - | ||
| USCE-Nashville District | Nashville, TN | Federally-Owned Utility | 9 | 2.9 TWh | Dec 2024 | - | ||
| US Air Force | Sagamore, MA | Federally-Owned Utility | 1 | 4.5 GWh | Aug 2025 | - | ||
| US Dept Of Army, Garrison, APG | Aberdeen, MD | Federally-Owned Utility | 1 | 56.6 GWh | Dec 2024 | - | ||
| U S Bureau Of Reclamation | Denver, CO | Federally-Owned Utility | 60 | 35.1 TWh | Aug 2025 | Nov 2022 | ||
| US GSA Heating And Transmission | Washington, DC | Federally-Owned Utility | 1 | 41.9 GWh | Aug 2025 | - | ||
| Usace-Detroit District | Detroit, MI | Federally-Owned Utility | 1 | 169.2 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 | Aug 2025 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Aug 2025 | Natural Gas : 92.7% Bituminous Coal : 7.3% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Aug 2025 | Nuclear |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Aug 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 28 TWh | Jul 1974 | Aug 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Aug 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | Aug 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Aug 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Aug 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Aug 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Aug 2025 | Natural Gas : 79.4% Bituminous Coal : 20.5% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Aug 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | Aug 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Aug 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Aug 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Aug 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Aug 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Aug 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Aug 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Aug 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Aug 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 16 TWh | Apr 1971 | Aug 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Aug 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 14 TWh | Nov 1977 | Aug 2025 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Aug 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | Aug 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Aug 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Aug 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 16 TWh | Nov 1975 | Aug 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Aug 2025 | Subbituminous Coal : 74.1% Bituminous Coal : 16.5% Petroleum Coke : 9.2% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Aug 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Aug 2025 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 11 TWh | Mar 2010 | Aug 2025 | Lignite Coal : 99.0% Natural Gas : 1.0% |
| Oconee | Seneca, South Carolina | 23 TWh | Jun 1973 | Aug 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Aug 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Aug 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Aug 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 11 TWh | May 2012 | Aug 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 17 TWh | May 1971 | Aug 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Aug 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | Aug 2025 | Water |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Aug 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Aug 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | Aug 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Aug 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Aug 2025 | Nuclear : 67.6% Natural Gas : 32.4% |
| Vogtle | Waynesboro, Georgia | 35 TWh | Apr 1987 | Aug 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Aug 2025 | Subbituminous Coal : 84.0% Natural Gas : 16.0% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Aug 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Aug 2025 | Natural Gas : 99.9% |