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 |
|---|---|---|---|---|---|---|---|---|
| Madison Energy Investments LLC | Vienna, VA | Independent Power Producer | 92 | 351.6 GWh | Aug 2026 | - | ||
| Madison Fields Solar Project, LLC | Kansas City, MO | Independent Power Producer | 1 | 431.7 GWh | Aug 2026 | Oct 2025 | $5.69M | |
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 20 | 939.1 GWh | Aug 2026 | Oct 2025 | $31.93M | $919.38k |
| Magnolia Power Holdings LLC | Princeton, NJ | Independent Power Producer | 1 | 2.9 TWh | Aug 2026 | - | ||
| Maine Waste To Energy | Auburn, ME | Municipally-Owned Utility | 1 | 8.1 GWh | Aug 2026 | - | ||
| Major Oak Power, LLC | Bremond, TX | Independent Power Producer | 1 | 2.5 TWh | Aug 2026 | - | ||
| Malaga Bess LLC | Chicago, IL | Independent Power Producer | 1 | -4.5 GWh | Aug 2026 | Oct 2025 | $527.40k | |
| Mammoth North, LLC | Philadelphia, PA | Independent Power Producer | 1 | 838.5 GWh | Aug 2026 | Oct 2025 | $10.42M | |
| Manchester Street, LLC. | Providence, RI | Independent Power Producer | 1 | 2.5 TWh | Aug 2026 | Sep 2025 | $28.13M | |
| Manitowoc Public Utilities | Manitowoc, WI | Municipally-Owned Utility | 2 | 197.0 GWh | Aug 2026 | Apr 2024 | ||
| Marble River, LLC | Houston, TX | Independent Power Producer | 1 | 501.1 GWh | Aug 2026 | Oct 2025 | $3.60M | |
| Marcus Hook Energy LP | Marcus Hook, PA | Independent Power Producer | 1 | 6.4 TWh | Aug 2026 | Oct 2025 | $54.07M | |
| Marion County Solar Project, LLC | Kansas City, MO | Independent Power Producer | 1 | 114.5 GWh | Aug 2026 | - | ||
| Markum Solar Farm, LLC | Valley Mills, TX | Independent Power Producer | 1 | 410.6 GWh | Aug 2026 | - | ||
| Marsh Landing LLC | Antioch, CA | Independent Power Producer | 1 | 29.9 GWh | Aug 2026 | Oct 2025 | $17.93M | |
| Marshall Solar Energy Project | Juno Beach, FL | Independent Power Producer | 2 | 111.3 GWh | Aug 2026 | - | ||
| Martin County Solar Project, LLC | Houston, TX | Independent Power Producer | 1 | 242.6 GWh | Aug 2026 | Oct 2025 | $2.65M | |
| Martinez Refining Co | Martinez, CA | Industrial | 1 | 723.8 GWh | Aug 2026 | Sep 2025 | $1.83M | |
| Maryland Environmental Service | Westover, MD | State-Owned Utility | 1 | 15.9 GWh | Aug 2026 | - | ||
| Massachusetts Mun Wholes Electric Co | Ludlow, MA | Political Subdivision | 6 | 169.5 GWh | Aug 2026 | - | ||
| Massachusetts WTR Rauth-Deer I | Winthrop, MA | Political Subdivision | 1 | 34.0 GWh | Aug 2026 | - | ||
| MAUI Electric Co Ltd | Kahului - MAUI, HI | Investor-Owned Utility | 6 | 917.8 GWh | Aug 2026 | - | ||
| Maverick Solar 4, LLC | San Diego, CA | Independent Power Producer | 1 | 323.0 GWh | Aug 2026 | Oct 2025 | $3.96M | |
| Maverick Solar 6, LLC | San Diego, CA | Independent Power Producer | 1 | 256.8 GWh | Aug 2026 | Oct 2025 | $3.61M | |
| Maverick Solar 7, LLC | San Diego, CA | Independent Power Producer | 1 | 436.9 GWh | Aug 2026 | Oct 2025 | $3.10M | |
| Maverick Solar LLC | San Diego, CA | Independent Power Producer | 2 | 346.9 GWh | Aug 2026 | Oct 2025 | $3.87M | |
| MC Power Companies Inc | Lee's Summit, MO | Independent Power Producer | 3 | 21.2 GWh | Aug 2026 | - | ||
| McCrae Wind Energy II, LLC | Pittsburgh, PA | Independent Power Producer | 1 | 563.2 GWh | Aug 2026 | - | ||
| Mead Coated Board Inc | Glen Allen, VA | Industrial | 1 | 796.4 GWh | Aug 2026 | - | ||
| Meadow Lake Solar Park | Merrillville, IN | Investor-Owned Utility | 1 | 412.6 GWh | Aug 2026 | Sep 2025 | $3.80M | |
| Meadow Lake Wind Farm V LLC | Houston, TX | Independent Power Producer | 1 | 358.9 GWh | Aug 2026 | Oct 2025 | $6.45M | |
| Meadow Lake Wind Farm VI LLC | Chalmers, IN | Independent Power Producer | 1 | 681.4 GWh | Aug 2026 | Oct 2025 | $9.89M | |
| Meadowlark Wind I LLC | Edmonton, AB | Independent Power Producer | 1 | 405.7 GWh | Aug 2026 | Oct 2025 | $1.94M | |
| Mechanicsville Solar, LLC | Westport, CT | Independent Power Producer | 1 | 68.2 GWh | Aug 2026 | Oct 2025 | $867.24k | |
| Mendocino Forest Products | Windsor, CA | Commercial | 1 | 132.2 GWh | Aug 2026 | - | ||
| Merck & Co Inc-West Point | Rahway, NJ | |Industrial | 4 | 339.4 GWh | Aug 2026 | Sep 2025 | $96.43k | |
| Mesa Wind Power LLC | New York, NY | Independent Power Producer | 2 | 80.1 GWh | Aug 2026 | Sep 2025 | $2.05M | |
| Mesquite Power LLC | Arlington, AZ | Independent Power Producer | 1 | 4.2 TWh | Aug 2026 | Oct 2025 | $4.01M | $1.65M |
| 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 | - | ||
| Metropolitan Airports Commission | Minneapolis, MN | Political Subdivision | 1 | 1.9 GWh | Aug 2026 | - | ||
| Metropolitan Sewerage District | Asheville, NC | Municipally-Owned Utility | 1 | 5.5 GWh | Aug 2026 | - | ||
| Miami DADE Water & Sewer Dept | Miami, FL | Municipally-Owned Utility | 2 | 22.0 GWh | Aug 2026 | - | ||
| Michigan State University | East Lansing, MI | State-Owned Utility | 1 | 298.1 GWh | Aug 2026 | - | ||
| Midamerican Energy Co | Urbandale, IA | Investor-Owned Utility | 63 | 45.9 TWh | Aug 2026 | Oct 2025 | $297.24M | $13.35M |
| Middle Tennessee State University | Murfreesboro, TN | Commercial | 1 | 37.3 GWh | Aug 2026 | - | ||
| Middlesex County Utilities Authority - (NJ) | Sayerville, NJ | Municipally-Owned Utility | 1 | 116.4 GWh | Aug 2026 | - | ||
| Midland Cogeneration Venture | Midland, MI | Independent Power Producer | 1 | 10.7 TWh | Aug 2026 | Oct 2025 | $202.10M | $504.75k |
| Midlothian Energy LLC | Independent Power Producer | 1 | 8.3 TWh | Aug 2026 | - | |||
| Midway-Sunset Cogeneration Co | Fellows, CA | Independent Power Producer | 1 | 12.6 GWh | Aug 2026 | Sep 2025 | $99.78k | |
| 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 Generations Eme LLC | Chicago, IL | Independent Power Producer | 13 | 3.7 TWh | Aug 2026 | Oct 2025 | $44.96M | $363.42k |
| Milagro Solar I, LLC | Santa Teresa, NM | Independent Power Producer | 1 | 502.1 GWh | Aug 2026 | Oct 2025 | $1.79M | |
| Milford Power LLC | Milford, CT | Independent Power Producer | 2 | 3.9 TWh | Aug 2026 | Sep 2025 | $48.82M | |
| 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 | - | ||
| Millennium Power Company, LLC | Darien, CT | Independent Power Producer | 1 | 999.3 GWh | Aug 2026 | Sep 2025 | $10.39M | |
| Milligan 1 Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 1.0 TWh | Aug 2026 | Oct 2025 | $6.42M | |
| Milwaukee Metro Sewerage DIST | Milwaukee, WI | Municipally-Owned Utility | 2 | 108.5 GWh | Aug 2026 | - | ||
| Minco II Energy Storage LLC | Juno Beach, FL | Independent Power Producer | 1 | -14.4 GWh | Aug 2026 | Sep 2025 | $2.17M | |
| Minco Wind IV, LLC | Juno Beach, FL | Independent Power Producer | 1 | 624.0 GWh | Aug 2026 | Sep 2025 | $1.67M | |
| Minnkota Power Coop, Inc | Grand Forks, ND | Cooperative | 3 | 4.2 TWh | Aug 2026 | Oct 2025 | $19.00M | $33.38M |
| Minonk Stewardship Wind LLC | Chicago, IL | Independent Power Producer | 1 | 320.8 GWh | Aug 2026 | Oct 2025 | $1.90M | |
| Misae Lessee LLC | New York, NY | Independent Power Producer | 1 | 463.8 GWh | Aug 2026 | - | ||
| Misenheimer Solar LLC | Houston, TX | Independent Power Producer | 1 | 174.3 GWh | Aug 2026 | Sep 2025 | $3.06M | |
| Mississippi Power Co | Gulfport, MS | Investor-Owned Utility | 8 | 19.3 TWh | Aug 2026 | Sep 2025 | $65.80M | $4.58M |
| Missouri JNT MUNI.PWR ELEC. Ut. COMM. | Columbia, MO | Political Subdivision | 17 | 162.1 GWh | Aug 2026 | - | ||
| MN8 Energy LLC | Boca Raton, FL | Independent Power Producer | 189 | 4.7 TWh | Aug 2026 | - | ||
| Mobile Energy LLC | Mobile, AL | Independent Power Producer | 1 | 1.2 TWh | Aug 2026 | Sep 2025 | $3.08M | |
| Mockingbird Solar Center, LLC | Austin, TX | Independent Power Producer | 1 | 1.1 TWh | Aug 2026 | - | ||
| Modesto Irrigation District | Modesto, CA | Political Subdivision | 5 | 310.2 GWh | Aug 2026 | Oct 2025 | $47.02M | |
| Mohave County Wind Farm | Juno Beach, FL | Independent Power Producer | 1 | 1.0 TWh | Aug 2026 | Sep 2025 | $11.45M | |
| Mohave Energy | New York, NY | Independent Power Producer | 1 | 47.9 GWh | Aug 2026 | - | ||
| Mojave Solar LLC | Hinkley, CA | Independent Power Producer | 1 | 657.9 GWh | Aug 2026 | Sep 2025 | $42.14M | |
| Molson Coors Shenandoah Brewery | Elkton, VA | Industrial | 1 | 5.6 GWh | Aug 2026 | - | ||
| Molson Coors USA LLC | Golden, CO | Industrial | 1 | 130.7 GWh | Aug 2026 | - | ||
| Mondu Solar LLC | Independent Power Producer | 1 | 132.3 GWh | Aug 2026 | - | |||
| Monongahela Power Co | Greensburg, PA | Investor-Owned Utility | 10 | 18.1 TWh | Aug 2026 | Oct 2025 | $290.81M | $995.94k |
| Montana-Dakota Utilities Co | Bismarck, ND | Investor-Owned Utility | 12 | 900.2 GWh | Aug 2026 | Oct 2025 | $12.67M | $7.54M |
| Montpelier Solar, LLC | Houston, TX | Independent Power Producer | 1 | 68.1 GWh | Aug 2026 | - | ||
| Moraine Sands Wind Power, LLC | Toronto, ON | Independent Power Producer | 1 | 602.4 GWh | Aug 2026 | Oct 2025 | $3.58M | |
| Morgan Energy Center LLC | Decatur, AL | Independent Power Producer | 1 | 5.3 TWh | Aug 2026 | Oct 2025 | $10.39M | |
| Morris Cogeneration LLC | Morris, IL | Independent Power Producer | 1 | 672.4 GWh | Aug 2026 | Oct 2025 | $5.60M | |
| Morris Ridge Solar Energy Center, LLC | San Diego,, CA | Independent Power Producer | 1 | 338.1 GWh | Aug 2026 | Sep 2025 | $3.72M | |
| Mosaic Company | Bartlow, FL | Industrial | 5 | 256.2 GWh | Aug 2026 | - | ||
| Mosaic Fertilizer LLC | Mulberry, FL | Industrial | 2 | 453.6 GWh | Aug 2026 | Oct 2025 | $131.48k | |
| Mosaic Phosphates Co. | Uncle SAM, LA | Industrial | 1 | 102.4 GWh | Aug 2026 | - | ||
| Motiva Enterprises LLC | Port Arthur, TX | Industrial | 1 | 1.8 TWh | Aug 2026 | Apr 2025 | ||
| Mountain Wind Power II LLC | Princeton, NJ | Independent Power Producer | 1 | 198.9 GWh | Aug 2026 | Sep 2025 | $1.91M | |
| Mountain Wind Power LLC | Princeton, NJ | Independent Power Producer | 1 | 164.3 GWh | Aug 2026 | Sep 2025 | $1.28M | |
| Moxie Freedom LLC | New York, NY | Independent Power Producer | 1 | 7.7 TWh | Aug 2026 | Oct 2025 | $61.71M | |
| MRP Generation Holdings, LLC | Effingham, IL | Independent Power Producer | 1 | 3.8 TWh | Aug 2026 | - | ||
| MRP San Joaquin Energy LLC. | Tracy, CA | Independent Power Producer | 3 | 775.5 GWh | Aug 2026 | Oct 2025 | $18.50M | |
| MS Solar 2, LLC | New York, NY | Independent Power Producer | 1 | 100.5 GWh | Aug 2026 | Sep 2025 | $1.60M | |
| MT Wachusett Community College | Gardner, MA | State-Owned Utility | 1 | 4.7 GWh | Aug 2026 | - | ||
| Mulligan Solar | Charlottesville, VA | Independent Power Producer | 1 | 162.2 GWh | Aug 2026 | Sep 2025 | $1.19M |
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% |