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 |
|---|---|---|---|---|---|---|---|---|
| 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 | Dec 2025 | - | ||
| Magdaline Solar, LLC | Jersey City, NJ | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Magnolia Power Holdings LLC | Princeton, NJ | Independent Power Producer | 1 | 100.3 GWh | Dec 2025 | - | ||
| 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 | 11.0 GWh | Dec 2025 | - | ||
| Major Oak Power, LLC | Bremond, TX | Independent Power Producer | 1 | 2.4 TWh | Dec 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 | - | ||
| 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 | 383.6 GWh | Dec 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 | 102.6 GWh | Dec 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 | 12.9 GWh | Dec 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 | Dec 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 | 36.5 GWh | Dec 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 | - | ||
| Rain CII Carbon LLC | Covington, LA | Industrial | 1 | 108.8 GWh | Oct 2025 | - | ||
| RAK 1 Solar LLC | New York, NY | Independent Power Producer | 1 | 8.3 GWh | Dec 2024 | - | ||
| RAK 2 Solar LLC | New York, NY | Independent Power Producer | 1 | 6.2 GWh | Dec 2024 | - | ||
| Ralls Wind Farm LLC | Peachtree City, GA | Independent Power Producer | 1 | 12.0 GWh | Dec 2024 | - | ||
| Ralph's Grocery Company | La Habra, CA | Commercial | 1 | 1.8 GWh | Dec 2024 | - | ||
| Ramp Solar, LLC | El Segundo, CA | Independent Power Producer | 1 | 4.2 GWh | Dec 2024 | - | ||
| Ranchero Wind Farm LLC | Boulder, CO | Independent Power Producer | 1 | 1.2 TWh | Dec 2025 | - | ||
| Ranchland Wind Project I, LLC | Andover, MA | Independent Power Producer | 1 | 472.7 GWh | Dec 2025 | - | ||
| Ranchland Wind Project II, LLC | Andover, MA | Independent Power Producer | 1 | 539.2 GWh | Dec 2025 | - | ||
| Rand Whitney Containerboard L.P. | Montville, CT | Industrial | 1 | 145.4 GWh | Dec 2025 | - | ||
| Randolf Solar Partners LLC | Overland Park, KS | Independent Power Producer | 1 | 6.3 GWh | Dec 2024 | - | ||
| Rankin Solar Center, LLC | Asheville, NC | Independent Power Producer | 1 | 19.6 GWh | Dec 2024 | - | ||
| Rappahannock Solar, LLC | Jersey City, NJ | Independent Power Producer | 1 | 3.0 GWh | Dec 2024 | - | ||
| Rattlesnake Creek Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 984.0 GWh | Dec 2025 | - | ||
| Rattlesnake Power, LLC | Pittsburgh, PA | Independent Power Producer | 1 | 626.8 GWh | Dec 2025 | - | ||
| Ray Ranch Solar LLC | Pettus, TX | Independent Power Producer | 1 | 352.6 GWh | Dec 2025 | - | ||
| Ray Wilson Solar, LLC | Calgary, AB | Independent Power Producer | 1 | 8.2 GWh | Dec 2024 | - | ||
| Rayburn Energy Station LLC | Sherman, TX | Cooperative | 1 | 3.5 TWh | Dec 2025 | - | ||
| Rayonier Advanced Materials | Jacksonville, FL | Industrial | 2 | 728.1 GWh | Dec 2024 | - | ||
| Rayos Del Sol Solar Project, LLC | Irvine, CA | Independent Power Producer | 2 | 404.2 GWh | Dec 2025 | - | ||
| RC Energy Aa LLC | Centennial, CO | Independent Power Producer | 1 | 2.1 GWh | Dec 2024 | - | ||
| Re Gaskell West LLC | San Francisco, CA | Independent Power Producer | 4 | 257.8 GWh | Dec 2025 | - | ||
| Re Kansas South LLC | San Francisco, CA | Independent Power Producer | 1 | 51.1 GWh | Dec 2024 | - | ||
| Re Mustang Two LLC | Reno, NV | Independent Power Producer | 1 | 410.4 GWh | Dec 2025 | - | ||
| Re-VFO LLC | Redondo Beach, CA | Independent Power Producer | 1 | 1.9 GWh | Dec 2024 | - | ||
| REA Investments, LLC | Dexter, MO | Independent Power Producer | 57 | 165.1 GWh | Dec 2024 | - | ||
| Reactivate | Chicago, IL | Independent Power Producer | 6 | 13.2 GWh | Dec 2024 | - | ||
| Rec RWD, LLC | San LUIS Obispo, CA | Independent Power Producer | 1 | 244.0 MWh | Dec 2024 | - | ||
| Rec SHW, LLC | San LUIS Obispo, CA | Independent Power Producer | 2 | 1.1 GWh | Dec 2024 | - | ||
| Red Horse 2 | New York, NY | Independent Power Producer | 1 | 158.5 GWh | Dec 2025 | - | ||
| Red Horse III | New York, NY | Independent Power Producer | 1 | 54.3 GWh | Dec 2024 | - | ||
| Red Oak Operating Services LLC | Sayreville, NJ | Independent Power Producer | 1 | 3.6 TWh | Dec 2025 | - | ||
| Red River Mill Intl Paper Company | Campti, LA | Industrial | 1 | 399.5 GWh | Dec 2023 | - | ||
| Red Toad 315 VInson Road, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.0 GWh | Dec 2024 | - | ||
| Red Toad Powatan Phase 2 LLC | San Francisco, CA | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Redbrook Solar 1, LLC | Princeton, NJ | Independent Power Producer | 1 | 4.4 GWh | Dec 2024 | - | ||
| Redlands Water & Power Company | Grand Junction, CO | Independent Power Producer | 1 | 7.3 GWh | Dec 2024 | - | ||
| Redwood Falls Public UTIL COMM | Redwood Falls, MN | Municipally-Owned Utility | 2 | 3.1 GWh | Dec 2024 | - | ||
| Reg JUHL Glenville Wind, LLC | Chanhassen, MN | Independent Power Producer | 1 | 10.2 GWh | Dec 2024 | - | ||
| Regeneron Pharmaceuticals Inc. | Tarrytown, NY | Commercial | 1 | 2.1 GWh | Dec 2024 | - | ||
| Regents Of The University Of Minnesota | Minneapolis, MN | State-Owned Utility | 1 | 2.8 GWh | Dec 2024 | - | ||
| Relevate Power Management LLC | New York, NY | Independent Power Producer | 4 | 62.4 GWh | Dec 2023 | - | ||
| Reloj Del Sol Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 630.7 GWh | Dec 2025 | - | ||
| Renew Energy Inc | Sioux Falls, SD | Commercial | 13 | 9.8 GWh | Dec 2024 | - | ||
| Renew Solar VMC LLC | San Francisco, CA | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Renewable Solar, Inc | Hanford, CA | Industrial | 9 | 8.9 GWh | Dec 2024 | - | ||
| Renewable World Energies LLC | Neshkoro, WI | Independent Power Producer | 7 | 34.5 GWh | Dec 2024 | - | ||
| Repsol Renewables Na | The Woodlands, TX | Independent Power Producer | 14 | 2.1 TWh | Dec 2025 | - | ||
| Republic Services Renewable Energy, LLC | Mays Landing, NJ | Independent Power Producer | 1 | 29.0 GWh | Dec 2024 | - | ||
| Resurgence Solar | Juno Beach, FL | Independent Power Producer | 2 | 406.0 GWh | Dec 2025 | - | ||
| REUT Origination, LLC | Beltsville, MD | Independent Power Producer | 1 | 7.7 GWh | Dec 2024 | - | ||
| Rev LNG SSL BC, LLC | Wyalusing, PA | Industrial | 1 | 14.9 GWh | Dec 2024 | - | ||
| Revity Energy LLC | Warwick, RI | Independent Power Producer | 1 | 24.7 GWh | Dec 2024 | - | ||
| Reworld Babylon Inc | Morristown, NJ | Commercial | 1 | 135.1 GWh | Dec 2025 | - | ||
| Reworld Macarthur Renewable Energy | Ronkonkoma, NY | Municipally-Owned Utility | 1 | 59.6 GWh | Dec 2025 | - | ||
| Reworld Projects, LLC | St. Petersburg, FL | Commercial | 1 | 354.3 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 | 15 TWh | Nov 1974 | Dec 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Dec 2025 | Natural Gas : 94.9% Bituminous Coal : 5.1% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Dec 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Dec 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Dec 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Dec 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Dec 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Dec 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Dec 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Dec 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Dec 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Dec 2025 | Natural Gas : 74.9% Bituminous Coal : 24.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Dec 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Dec 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Dec 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Dec 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Dec 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Dec 2025 | Nuclear |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Dec 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Dec 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Dec 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Dec 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Dec 2025 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Dec 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Dec 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Dec 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Dec 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Dec 2025 | Subbituminous Coal : 74.7% Bituminous Coal : 16.0% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Dec 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Dec 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Dec 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Dec 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Dec 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Dec 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Dec 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Dec 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Dec 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Dec 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Dec 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Dec 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Dec 2025 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Dec 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Dec 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 21 TWh | Mar 1967 | Dec 2025 | Nuclear : 68.7% Natural Gas : 31.3% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Dec 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 16 TWh | May 1958 | Dec 2025 | Subbituminous Coal : 83.3% Natural Gas : 16.7% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 16 TWh | Apr 1996 | Dec 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Dec 2025 | Natural Gas : 99.9% |