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 |
|---|---|---|---|---|---|---|---|---|
| Marlow Solar, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 4.4 GWh | Dec 2025 | - | ||
| Marquam Creek Solar, LLC | New York, NY | Independent Power Producer | 1 | 919.0 MWh | Oct 2025 | - | ||
| Mars Hill Road Solar Farm, LLC | New York, NY | Independent Power Producer | 1 | 4.1 GWh | Dec 2025 | - | ||
| Mars Wrigley Confectionery US, LLC | Hackettstown, NJ | Commercial | 1 | 58.1 GWh | Dec 2025 | - | ||
| Marsh Valley Development Inc | Ivins, UT | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| Marshall Solar Energy Project | Juno Beach, FL | Independent Power Producer | 2 | 111.3 GWh | Aug 2026 | - | ||
| Marshall Wind Farm, LLC | Edina, MN | Independent Power Producer | 6 | 21.8 GWh | Dec 2025 | - | ||
| Maryland Environmental Service | Westover, MD | State-Owned Utility | 1 | 15.9 GWh | Aug 2026 | - | ||
| Marysville Hydro Partners | Boise, ID | Independent Power Producer | 1 | 46.1 GWh | Dec 2025 | - | ||
| Mas Durham Power, LLC | Nashville, TN | Independent Power Producer | 1 | 13.1 GWh | Dec 2025 | - | ||
| Mass Solar, LLC | The Woodlands, TX | Independent Power Producer | 4 | 21.5 GWh | Dec 2025 | - | ||
| Massachusetts Bay Trans AUTH | Jamaica Plain, MA | State-Owned Utility | 1 | 469.9 MWh | Dec 2025 | - | ||
| Massachusetts Department Of Correction | Bridgewater, MA | State-Owned Utility | 1 | 1.3 GWh | Dec 2025 | - | ||
| Massachusetts Inst Of Tech | Cambridge, MA | Commercial | 1 | 227.6 GWh | Dec 2025 | - | ||
| Massachusetts Mun Wholes Electric Co | Ludlow, MA | Political Subdivision | 6 | 169.5 GWh | Aug 2026 | - | ||
| Massachusetts Water Res AUTH | Boston, MA | State-Owned Utility | 3 | 2.1 GWh | Dec 2025 | - | ||
| Massachusetts WTR Rauth-Deer I | Winthrop, MA | Political Subdivision | 1 | 34.0 GWh | Aug 2026 | - | ||
| Masser Farms Realty Ltd | Sacramento, PA | Independent Power Producer | 1 | 1.2 GWh | Dec 2025 | - | ||
| Maston Garden LLC | Kasson, MN | Independent Power Producer | 1 | 1.8 GWh | Dec 2025 | - | ||
| Matanuska Electric Assn Inc | Palmer, AK | Cooperative | 1 | 356.5 GWh | Dec 2025 | - | ||
| 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 | 917.8 GWh | Aug 2026 | - | ||
| Maverick CTY Water Control & Improvement | Eagle Pass, TX | Political Subdivision | 1 | 2.9 GWh | Jun 2026 | - | ||
| Maxsolar | Edison, NJ | Independent Power Producer | 1 | 4.0 GWh | Dec 2025 | - | ||
| May Shannon Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 4.2 GWh | Dec 2025 | - | ||
| Mayor And City Council Of Baltimore City - (MD) | Baltimore, MD | Municipally-Owned Utility | 1 | 635.0 MWh | Dec 2024 | - | ||
| MC Power Companies Inc | Lee's Summit, MO | Independent Power Producer | 3 | 21.2 GWh | Aug 2026 | - | ||
| MC1 Solar Farm, LLC | Williamston, NC | Independent Power Producer | 1 | 8.2 GWh | Dec 2025 | - | ||
| MC6 Hydro Facility | Ivins, UT | Independent Power Producer | 1 | 2.8 GWh | Oct 2025 | - | ||
| McCallum Enterprises I LP | Stratford, CT | Independent Power Producer | 1 | 25.3 GWh | Dec 2025 | - | ||
| McCormick Ny CSG LLC | Annapolis, MD | Independent Power Producer | 1 | 4.0 GWh | Dec 2025 | - | ||
| McCrae Wind Energy II, LLC | Pittsburgh, PA | Independent Power Producer | 1 | 563.2 GWh | Aug 2026 | - | ||
| McDonough Solar 1, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 4.0 GWh | Dec 2025 | - | ||
| McGrath Light & Power Co | McGrath, AK | Investor-Owned Utility | 1 | 2.0 GWh | Dec 2025 | - | ||
| McKinley Paper | Port Angeles, WA | Industrial | 2 | 61.8 GWh | Oct 2025 | - | ||
| McMinnville Electric System | McMinnville, TN | Municipally-Owned Utility | 1 | 883.9 MWh | Dec 2025 | - | ||
| MD CDG 001 LLC | West Trenton, NJ | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | - | ||
| MD CDG 002 LLC | West Trenton, NJ | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | - | ||
| Me CDG 004 LLC | Augusta, ME | Independent Power Producer | 1 | 3.0 GWh | Dec 2025 | - | ||
| Me CDG 005 LLC | Augusta, ME | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Me Fort Fairfield LLC | Houston, TX | Independent Power Producer | 1 | 3.8 GWh | Dec 2025 | - | ||
| Me Sandy River LLC | Houston, TX | Independent Power Producer | 1 | 5.5 GWh | Dec 2025 | - | ||
| Mead Coated Board Inc | Glen Allen, VA | Industrial | 1 | 796.4 GWh | Aug 2026 | - | ||
| Meadow Ridge Wind Energy, LLC | Greenfield, IA | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Meadowlark Solar, LLC | Miami, FL | Independent Power Producer | 1 | 9.9 GWh | Dec 2025 | - | ||
| MEC Holdings LLC | Independent Power Producer | 1 | 2.8 TWh | Dec 2025 | - | |||
| Mechanicville Hydroelectric Station | Mechanicville, NY | Independent Power Producer | - | 24.4 GWh | Dec 2024 | - | ||
| Mecklenburg Solar, LLC | Annapolis, MD | Independent Power Producer | 1 | 2.4 GWh | Dec 2025 | - | ||
| Medin 2 Community Solar LLC | Schenectady, MD | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| Medusa Ny 1, LLC | Louisville, CO | Independent Power Producer | 1 | 2.1 GWh | Dec 2025 | - | ||
| Medway Grid LLC | Independent Power Producer | 1 | 18.4 GWh | Jun 2026 | - | |||
| MEGA Renewables | Bozeman, MT | Independent Power Producer | 2 | 37.3 GWh | Dec 2025 | - | ||
| Mendocino Forest Products | Windsor, CA | Commercial | 1 | 132.2 GWh | Aug 2026 | - | ||
| Mendota US Solar 1 LLC | Jersey City, NJ | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| Merced Irrigation District | Merced, CA | Political Subdivision | 6 | 286.9 GWh | Dec 2025 | Oct 2025 | $1.24M | |
| Merck - Upper Gwynedd Solar Array | North Wales, PA | Commercial | 1 | 1.6 GWh | Dec 2025 | - | ||
| Merimil Ltd Partnership | Lewiston, ME | Independent Power Producer | 1 | 14.1 GWh | Dec 2025 | - | ||
| Merit Si | Annandale, NJ | Commercial | 1 | 470.0 MWh | Dec 2025 | - | ||
| Merrimack Solar Farm | Durham, NC | Commercial | 1 | 3.4 GWh | Dec 2025 | - | ||
| Mesquite Star Special LLC | Princeton, NJ | Independent Power Producer | 1 | 1.3 TWh | Aug 2026 | - | ||
| Mesquite Wind LLC | Abilene, TX | Independent Power Producer | 2 | 751.2 GWh | Aug 2026 | - | ||
| Messalonskee Stream Hydro LLC | Penacook, NH | Independent Power Producer | 3 | 16.8 GWh | Dec 2025 | Aug 2014 | ||
| Metlakatla Power & Light | Metlakatla, AK | Municipally-Owned Utility | 3 | 20.4 GWh | Dec 2025 | - | ||
| Metro WTR RECL DIST GRTR Chi | Chicago, IL | Municipally-Owned Utility | 1 | 20.4 GWh | Jul 2026 | - | ||
| Metropolitan Airports Commission | Minneapolis, MN | Political Subdivision | 1 | 1.9 GWh | Aug 2026 | - | ||
| Metropolitan DIST Of Hartford | Hartford, CT | Municipally-Owned Utility | 2 | 1.8 GWh | Oct 2025 | - | ||
| Metropolitan Sewerage District | Asheville, NC | Municipally-Owned Utility | 1 | 5.5 GWh | Aug 2026 | - | ||
| Metropolitan Water District Of S Ca | LOS Angeles, CA | State-Owned Utility | 17 | 38.4 GWh | Dec 2025 | - | ||
| MEVS Clark LLC | Aliso VIejo, CA | Independent Power Producer | 1 | 6.4 GWh | Dec 2025 | - | ||
| MEVS Dot, LLC | Renton, WA | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| MEVS LLC | Aliso VIejo, CA | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| MF Mesa Lane LLC | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | |||
| Miami DADE Water & Sewer Dept | Miami, FL | Municipally-Owned Utility | 2 | 22.0 GWh | Aug 2026 | - | ||
| Michelangelo Wind 3 LLC | Irvington, NY | Independent Power Producer | 1 | 10.6 GWh | Dec 2025 | - | ||
| Michigan Power Limited Partnership | Ludington, MI | Independent Power Producer | 1 | 1.1 TWh | Dec 2025 | - | ||
| Michigan Public Power Agency | Lansing, MI | Political Subdivision | 1 | 58.4 GWh | Dec 2025 | Oct 2025 | $22.86M | |
| Michigan State University | East Lansing, MI | State-Owned Utility | 1 | 298.1 GWh | Aug 2026 | - | ||
| Michigan Sugar Company | Sebewaing, MI | Industrial | 2 | 647.0 MWh | Mar 2026 | - | ||
| Midcontinent Solar, LLC | New York, NY | Independent Power Producer | 1 | 38.4 GWh | Dec 2025 | - | ||
| Middle Fork Irrigation DIST | Parkdale, OR | Municipally-Owned Utility | 1 | 21.4 GWh | Dec 2025 | - | ||
| Middle River Power II, LLC | Chicago, IL | Independent Power Producer | 2 | 638.6 GWh | Dec 2025 | - | ||
| Middle Tennessee State University | Murfreesboro, TN | Commercial | 1 | 37.3 GWh | Aug 2026 | - | ||
| Middlebury College Biomass | Middlebury, VT | Commercial | 1 | 1.7 GWh | Jun 2026 | - | ||
| Middlesex County Utilities Authority - (NJ) | Sayerville, NJ | Municipally-Owned Utility | 1 | 116.4 GWh | Aug 2026 | - | ||
| Middleton Biogas Solar, LLC | Chanhassen, MN | Independent Power Producer | 1 | 1.9 GWh | Dec 2025 | - | ||
| Middletown Ny 1, LLC | Louisville, CO | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| Midlothian Energy LLC | Independent Power Producer | 1 | 8.3 TWh | Aug 2026 | - | |||
| Midway Green Solar, LLC | New York, NY | Independent Power Producer | 1 | 21.7 GWh | Dec 2025 | - | ||
| Midway Wind, LLC | Dallas, TX | Independent Power Producer | 1 | 441.9 GWh | Aug 2026 | - | ||
| Midwest Energy Inc - (KS) | Hays, KS | Cooperative | 6 | 91.0 GWh | Aug 2026 | Sep 2025 | $9.94M | |
| Midwest Power Partners LLC | Ruthton, MN | Independent Power Producer | 8 | 51.4 GWh | Dec 2025 | - | ||
| Mike Woolf Farming | Fresno, CA | Commercial | 1 | 2.0 GWh | Dec 2025 | - | ||
| Milford Pepes Farm Road Solar LLC | Schenectady, NY | Independent Power Producer | 1 | 2.6 GWh | Dec 2025 | - | ||
| Milford Solar 1, LLC | New York, NY | Independent Power Producer | 1 | 278.7 GWh | Aug 2026 | - | ||
| Milford Solar LLC | Oakland, CA | Independent Power Producer | 1 | 19.9 GWh | Aug 2026 | - | ||
| Milford Wind Corridor Phase I, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 409.4 GWh | Aug 2026 | - | ||
| Milford Wind Corridor Stage II LLC | Boston, MA | Independent Power Producer | 1 | 182.2 GWh | Aug 2026 | - | ||
| Mililani I Solar LLC | Princeton, NJ | Independent Power Producer | 1 | 63.5 GWh | Aug 2026 | - | ||
| Millbury Ma #1092 LLC | Millbury, MA | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| Millers Chapel Solar, LLC | Asheville, NC | Independent Power Producer | - | 10.4 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 | 14 TWh | Nov 1974 | Aug 2026 | Nuclear |
| Barry | Bucks, Alabama | 14 TWh | Jan 1954 | Aug 2026 | Natural Gas : 96.4% Bituminous Coal : 3.6% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Aug 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Aug 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Aug 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | Aug 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Aug 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Aug 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Aug 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | Aug 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Aug 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Aug 2026 | Natural Gas : 69.9% Bituminous Coal : 29.9% |
| Diablo Canyon | Avila Beach, California | 19 TWh | Apr 1985 | Aug 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Aug 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Aug 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Aug 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 12 TWh | Sep 1974 | Aug 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 19 TWh | Feb 1941 | Aug 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Aug 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Aug 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Aug 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Aug 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Aug 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Aug 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Aug 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Aug 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Aug 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Aug 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Aug 2026 | Subbituminous Coal : 75.1% Bituminous Coal : 15.7% Petroleum Coke : 9.0% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Aug 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Aug 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Aug 2026 | Lignite Coal : 99.3% Natural Gas : 0.7% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Aug 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Aug 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Aug 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Aug 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Aug 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Aug 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Aug 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 18 TWh | Jun 1981 | Aug 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Aug 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Aug 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | Aug 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Aug 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Aug 2026 | Nuclear : 64.7% Natural Gas : 35.3% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Aug 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Aug 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Aug 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Aug 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Aug 2026 | Natural Gas : 99.9% |