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 |
|---|---|---|---|---|---|---|---|---|
| Ma CS Dighton, LLC | New York, NY | Independent Power Producer | 1 | 2.4 GWh | Dec 2024 | - | ||
| Ma CS Uxbridge, LLC | San Francisco, CA | Independent Power Producer | 1 | 7.6 GWh | Dec 2024 | - | ||
| Ma CS Ware West, LLC | San Francisco, CA | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| MAAS Energy Works | Redding, CA | Independent Power Producer | 4 | 4.3 GWh | Dec 2024 | - | ||
| Macadamia Nut Road Solar Project 2019 | Schenectady, NY | Independent Power Producer | 1 | 1.4 GWh | Dec 2024 | - | ||
| Macbeth Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 39.7 GWh | Dec 2024 | - | ||
| Macys Corporate Services, Inc | Johns Creek, GA | Commercial | 1 | 3.1 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 | - | ||
| Madison Energy Investments LLC | Vienna, VA | Independent Power Producer | 43 | 64.2 GWh | Sep 2025 | - | ||
| Madison Windpower LLC | Houston, TX | Independent Power Producer | 1 | 919.0 MWh | Sep 2025 | - | ||
| Magdaline Solar, LLC | Jersey City, NJ | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Mahipapa LLC | Honolulu, HI | Independent Power Producer | 1 | 10.3 GWh | Dec 2024 | - | ||
| Maine DG Solar Augusta, LLC | Boston, MA | Independent Power Producer | 1 | 4.8 GWh | Dec 2024 | - | ||
| Maine DG Solar Baldwin, LLC | Boston, MA | Independent Power Producer | 1 | 10.1 GWh | Dec 2024 | - | ||
| Maine DG Solar Harmony, LLC | Boston, MA | Independent Power Producer | 1 | 9.2 GWh | Dec 2024 | - | ||
| Maine DG Solar Monmouth, LLC | Boston, MA | Independent Power Producer | 1 | 9.6 GWh | Dec 2024 | - | ||
| Maine DG Solar Pittsfield, LLC | Boston, MA | Independent Power Producer | 1 | 8.7 GWh | Dec 2024 | - | ||
| Maine Waste To Energy | Auburn, ME | Municipally-Owned Utility | 1 | 10.3 GWh | Sep 2025 | - | ||
| Major Oak Power, LLC | Bremond, TX | Independent Power Producer | 1 | 2.4 TWh | Sep 2025 | - | ||
| Malmedal Garden LLC | Minneapolis, MN | Independent Power Producer | 1 | 1.7 GWh | Dec 2024 | - | ||
| Mantisi Solar LLC | New York, NY | Independent Power Producer | 1 | 6.5 GWh | Dec 2024 | - | ||
| Maple Street Solar 1, LLC | San Francisco, CA | Independent Power Producer | 1 | 7.2 GWh | Dec 2024 | - | ||
| Mapleton Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 5.2 GWh | Dec 2024 | - | ||
| Marbury Point Solar LLC | Framingham, MA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Marco Power Inc | Twin Falls, ID | Independent Power Producer | 1 | 544.0 MWh | Oct 2024 | - | ||
| Marie's Way Solar I, LLC | New York, NY | Independent Power Producer | 1 | 6.5 GWh | Dec 2024 | - | ||
| Marion Solar LLC | New York, NY | Independent Power Producer | 2 | 7.6 GWh | Dec 2024 | - | ||
| Markum Solar Farm, LLC | Valley Mills, TX | Independent Power Producer | 1 | 332.8 GWh | Sep 2025 | - | ||
| Marlboro Mushroom | West Grove, PA | Commercial | 1 | 1.3 GWh | Dec 2024 | - | ||
| Marlborough Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Marlow Solar, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 4.5 GWh | Dec 2024 | - | ||
| Mars Wrigley Confectionery US, LLC | Hackettstown, NJ | Commercial | 1 | 45.3 GWh | Dec 2024 | - | ||
| Marshall Solar Energy Project | Juno Beach, FL | Independent Power Producer | 2 | 109.3 GWh | Sep 2025 | - | ||
| Marshall Wind Farm, LLC | Edina, MN | Independent Power Producer | 6 | 29.4 GWh | Dec 2024 | - | ||
| Maryland Environmental Service | Westover, MD | State-Owned Utility | 1 | 9.6 GWh | Sep 2025 | - | ||
| Marysville Hydro Partners | Boise, ID | Independent Power Producer | 1 | 50.7 GWh | Dec 2024 | - | ||
| Mas Durham Power, LLC | Nashville, TN | Independent Power Producer | 1 | 10.8 GWh | Dec 2024 | - | ||
| Mass Solar, LLC | The Woodlands, TX | Independent Power Producer | 4 | 20.3 GWh | Dec 2024 | - | ||
| Massachusetts Bay Trans AUTH | Jamaica Plain, MA | State-Owned Utility | 1 | 479.6 MWh | Dec 2024 | - | ||
| Massachusetts Department Of Correction | Bridgewater, MA | State-Owned Utility | 1 | 1.9 GWh | Dec 2024 | - | ||
| Massachusetts Inst Of Tech | Cambridge, MA | Commercial | 1 | 223.7 GWh | Dec 2024 | - | ||
| Massachusetts Mun Wholes Electric Co | Ludlow, MA | Political Subdivision | 6 | 85.4 GWh | Sep 2025 | - | ||
| Massachusetts Water Res AUTH | Boston, MA | State-Owned Utility | 3 | 15.2 GWh | Dec 2024 | - | ||
| Massachusetts WTR Rauth-Deer I | Winthrop, MA | Political Subdivision | 1 | 35.7 GWh | Sep 2025 | - | ||
| Masser Farms Realty Ltd | Sacramento, PA | Independent Power Producer | 1 | 1.2 GWh | Dec 2024 | - | ||
| Maston Garden LLC | Kasson, MN | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Matanuska Electric Assn Inc | Palmer, AK | Cooperative | 1 | 632.3 GWh | Dec 2024 | - | ||
| Materials Innovation Recycling Authority | Rocky Hill, CT | Political Subdivision | 1 | 1.2 GWh | Dec 2024 | - | ||
| MAUI Electric Co Ltd | Kahului - MAUI, HI | Investor-Owned Utility | 6 | 870.7 GWh | Sep 2025 | - | ||
| Maverick CTY Water Control & Improvement | Eagle Pass, TX | Political Subdivision | 1 | 26.7 GWh | Sep 2025 | - | ||
| Maxsolar | Edison, NJ | Independent Power Producer | 1 | 4.5 GWh | Dec 2024 | - | ||
| May Shannon Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 4.2 GWh | Dec 2024 | - | ||
| Mayor And City Council Of Baltimore City | Baltimore, MD | Municipally-Owned Utility | 1 | 635.0 MWh | Dec 2024 | - | ||
| MC Power Companies Inc | Lee's Summit, MO | Independent Power Producer | 3 | 23.1 GWh | Sep 2025 | - | ||
| MC1 Solar Farm, LLC | Williamston, NC | Independent Power Producer | 1 | 9.4 GWh | Dec 2024 | - | ||
| MC6 Hydro Facility | Ivins, UT | Independent Power Producer | 1 | 1.6 GWh | Oct 2024 | - | ||
| McCallum Enterprises I LP | Stratford, CT | Independent Power Producer | 1 | 25.2 GWh | Dec 2024 | - | ||
| McDonough Solar 1, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| McGrath Light & Power Co | McGrath, AK | Investor-Owned Utility | 1 | 2.1 GWh | Dec 2024 | - | ||
| McKinley Paper | Port Angeles, WA | Industrial | 2 | 336.8 GWh | Dec 2024 | - | ||
| Me Sandy River LLC | Houston, TX | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Mead Coated Board Inc | Glen Allen, VA | Industrial | 1 | 781.2 GWh | Sep 2025 | - | ||
| 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 | - | ||
| MEC Holdings LLC | Independent Power Producer | 1 | 3.0 TWh | Dec 2024 | - | |||
| Mechanicville Hydroelectric Station | Mechanicville, NY | Independent Power Producer | 1 | 24.4 GWh | Dec 2024 | - | ||
| Medin 2 Community Solar LLC | Schenectady, MD | Independent Power Producer | 1 | 1.9 GWh | Dec 2024 | - | ||
| Medusa Ny 1, LLC | Louisville, CO | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| MEGA Renewables | Bozeman, MT | Independent Power Producer | 2 | 34.2 GWh | Dec 2024 | - | ||
| Mendocino Forest Products | Windsor, CA | Commercial | 1 | 119.4 GWh | Sep 2025 | - | ||
| Mendota US Solar 1 LLC | Jersey City, NJ | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| Merck - Upper Gwynedd Solar Array | North Wales, PA | Commercial | 1 | 1.7 GWh | Dec 2024 | - | ||
| Merimil Ltd Partnership | Lewiston, ME | Independent Power Producer | 1 | 14.6 GWh | Dec 2024 | - | ||
| Merit Si | Annandale, NJ | Commercial | 1 | 1.9 GWh | Dec 2023 | - | ||
| Merrimack Solar Farm | Durham, NC | Commercial | 1 | 3.6 GWh | Dec 2024 | - | ||
| Mesa Wind Repower | New York, NY | Independent Power Producer | 1 | 132.6 GWh | Sep 2025 | - | ||
| Mesquite Star Special LLC | San Francisco, CA | Independent Power Producer | 1 | 1.2 TWh | Sep 2025 | - | ||
| Mesquite Wind LLC | Abilene, TX | Independent Power Producer | 2 | 782.6 GWh | Sep 2025 | - | ||
| Metlakatla Power & Light | Metlakatla, AK | Municipally-Owned Utility | 3 | 19.7 GWh | Dec 2024 | - | ||
| Metro WTR RECL DIST GRTR Chi | Chicago, IL | Municipally-Owned Utility | 1 | 10.1 GWh | Sep 2025 | - | ||
| Metropolitan Airports Commission | Minneapolis, MN | Political Subdivision | 1 | 2.9 GWh | Sep 2025 | - | ||
| Metropolitan DIST Of Hartford | Hartford, CT | Municipally-Owned Utility | 2 | 9.8 GWh | Dec 2024 | - | ||
| Metropolitan Sewerage District | Asheville, NC | Municipally-Owned Utility | 1 | 2.4 GWh | Sep 2025 | - | ||
| Metropolitan Water District Of S Ca | LOS Angeles, CA | State-Owned Utility | 17 | 98.9 GWh | Dec 2024 | - | ||
| MEVS Dot, LLC | Renton, WA | Independent Power Producer | 1 | 4.0 GWh | Dec 2024 | - | ||
| MF Mesa Lane LLC | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | |||
| Miami DADE Water & Sewer Dept | Miami, FL | Municipally-Owned Utility | 2 | 22.5 GWh | Sep 2025 | - | ||
| Michelangelo Wind 1 LLC | Irvington, NY | Independent Power Producer | 1 | 8.0 GWh | Dec 2024 | - | ||
| Michelangelo Wind 3 LLC | Irvington, NY | Independent Power Producer | 1 | 9.6 GWh | Dec 2024 | - | ||
| Michelangelo Wind 4 LLC | Irvington, NY | Independent Power Producer | 1 | 11.2 GWh | Dec 2024 | - | ||
| Michigan Power Limited Partnership | Ludington, MI | Independent Power Producer | 1 | 1.2 TWh | Dec 2024 | - | ||
| Michigan State University | East Lansing, MI | State-Owned Utility | 1 | 273.0 GWh | Sep 2025 | - | ||
| Michigan Sugar Company | Sebewaing, MI | Industrial | 2 | 551.9 MWh | Mar 2025 | - | ||
| Midcontinent Solar, LLC | New York, NY | Independent Power Producer | 1 | 37.6 GWh | Dec 2024 | - | ||
| Middle Fork Irrigation DIST | Parkdale, OR | Municipally-Owned Utility | 1 | 22.1 GWh | Dec 2024 | - | ||
| Middle River Power II, LLC | Chicago, IL | Independent Power Producer | 2 | 483.9 GWh | Dec 2024 | - | ||
| Middle Tennessee State University | Murfreesboro, TN | Commercial | 1 | 41.9 GWh | Sep 2025 | - | ||
| Middlebury College Biomass | Middlebury, VT | Commercial | 1 | 2.0 GWh | Sep 2025 | - | ||
| Middlesex County Utilities Authority | Sayerville, NJ | Municipally-Owned Utility | 1 | 117.9 GWh | Sep 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 | 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% |