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 |
|---|---|---|---|---|---|---|---|---|
| Macho Springs Power I, LLC | Calgary, AB | - | - | - | Oct 2025 | $3.45M | ||
| Macquarie Energy Trading LLC | Houston, TX | - | - | - | Oct 2025 | $341.93M | $102.63M | |
| Madison Fields Solar Project, LLC | Kansas City, MO | Independent Power Producer | 1 | 405.0 GWh | Feb 2026 | Oct 2025 | $5.69M | |
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 17 | 857.7 GWh | Feb 2026 | Oct 2025 | $31.93M | $919.38k |
| Mag Energy Solutions Inc. | Montreal, QC | - | - | - | Oct 2025 | $131.08M | $7.98M | |
| Mahoning Creek Hydroelectric Company LLC | Chevy Chase, MD | Independent Power Producer | - | - | Dec 2020 | Oct 2025 | $271.89k | |
| Major Energy Electric Services, LLC | Houston, TX | - | - | - | Oct 2025 | $421.57k | ||
| Malaga Bess LLC | Chicago, IL | Independent Power Producer | 1 | -4.1 GWh | Feb 2026 | Oct 2025 | $527.40k | |
| Malaga Power, LLC | San Diego, CA | - | - | - | Oct 2025 | $4.25M | ||
| Mammoth North, LLC | Philadelphia, PA | Independent Power Producer | 1 | 791.3 GWh | Feb 2026 | Oct 2025 | $10.42M | |
| Mantua Creek Solar, LLC | Juno Beach, FL | - | - | - | Oct 2025 | $58.55k | ||
| Marble River, LLC | Houston, TX | Independent Power Producer | 1 | 525.7 GWh | Feb 2026 | Oct 2025 | $3.60M | |
| Marcus Hook Energy LP | Marcus Hook, PA | Independent Power Producer | 1 | 6.2 TWh | Feb 2026 | Oct 2025 | $54.07M | |
| Mariposa Energy, LLC | LOS Angeles, CA | - | - | - | Oct 2025 | $4.70M | ||
| Marsh Landing LLC | Antioch, CA | Independent Power Producer | 1 | 16.1 GWh | Feb 2026 | Oct 2025 | $17.93M | |
| Martin County Solar Project, LLC | Houston, TX | Independent Power Producer | 1 | 223.0 GWh | Feb 2026 | Oct 2025 | $2.65M | |
| Massachusetts Electric Co | Brooklyn, NY | Investor-Owned Utility | 3 | 3.7 GWh | Dec 2024 | Oct 2025 | $29.93M | $75.60M |
| Maverick Solar 4, LLC | San Diego, CA | Independent Power Producer | 1 | 285.9 GWh | Feb 2026 | Oct 2025 | $3.96M | |
| Maverick Solar 6, LLC | San Diego, CA | Independent Power Producer | 1 | 277.1 GWh | Feb 2026 | Oct 2025 | $3.61M | |
| Maverick Solar 7, LLC | San Diego, CA | Independent Power Producer | 1 | 381.5 GWh | Feb 2026 | Oct 2025 | $3.10M | |
| Maverick Solar LLC | San Diego, CA | Independent Power Producer | 2 | 390.6 GWh | Feb 2026 | Oct 2025 | $3.87M | |
| MC Project Company LLC | Houston, TX | - | - | - | Oct 2025 | $45.56M | ||
| MD Solar 2, LLC | Delray Beach, FL | - | - | - | Oct 2025 | $659.99k | ||
| Mead Energy Storage LLC | Framingham, MA | - | - | - | Oct 2025 | $392.37k | ||
| 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 | |
| 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 | |
| Meadow Lake Wind Farm V LLC | Houston, TX | Independent Power Producer | 1 | 361.5 GWh | Feb 2026 | Oct 2025 | $6.45M | |
| Meadow Lake Wind Farm VI LLC | Chalmers, IN | Independent Power Producer | 1 | 694.1 GWh | Feb 2026 | Oct 2025 | $9.89M | |
| Meadowlark Wind I LLC | Edmonton, AB | Independent Power Producer | 1 | 403.7 GWh | Feb 2026 | Oct 2025 | $1.94M | |
| Mechanicsville Solar, LLC | Mooresville, NC | Independent Power Producer | 1 | 59.8 GWh | Feb 2026 | Oct 2025 | $867.24k | |
| Mendota Hills, LLC | Dallas, TX | - | - | - | Oct 2025 | $1.24M | ||
| Merced Irrigation District | Merced, CA | Political Subdivision | 6 | 318.2 GWh | Dec 2024 | Oct 2025 | $1.24M | |
| Mercuria Energy America, LLC | Houston, TX | - | - | - | Oct 2025 | $337.45M | $107.26M | |
| Merrill Lynch Commodities, Inc. | Houston, TX | - | - | - | Oct 2025 | $40.48M | $24.54M | |
| Mesquite Power LLC | Arlington, AZ | Independent Power Producer | 1 | 4.0 TWh | Feb 2026 | Oct 2025 | $4.01M | $1.65M |
| Mesquite Solar 1, LLC | Tonopah, AZ | - | - | Dec 2017 | Oct 2025 | $17.90M | ||
| Mesquite Solar 2, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $5.27M | |
| Mesquite Solar 3, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $7.75M | |
| Mesquite Solar 4, LLC | Valhalla, NY | - | - | - | Oct 2025 | $1.72M | ||
| Mesquite Solar 5, LLC | Valhalla, NY | - | - | - | Oct 2025 | $2.23M | ||
| Messer Energy Services, Inc. | Bethlehem, PA | - | - | - | Oct 2025 | $1.90M | ||
| Metcalf Energy Center, LLC | Houston, TX | - | - | - | Oct 2025 | $19.82M | ||
| Meyersdale Storage, LLC | Houston, TX | - | - | - | Oct 2025 | $1.38M | ||
| Meyersdale Windpower, LLC | Birmingham, AL | - | - | - | Oct 2025 | $283.48k | ||
| Miami Fort Power Company LLC | Irving, TX | - | - | - | Oct 2025 | $67.58M | ||
| Michigan Public Power Agency | Lansing, MI | Political Subdivision | 1 | 50.2 GWh | Dec 2024 | Oct 2025 | $22.86M | |
| Michigan Wind 1, LLC | Baltimore, MD | Independent Power Producer | 1 | 169.4 GWh | Dec 2024 | Oct 2025 | $1.69M | |
| Michigan Wind 2, LLC | Baltimore, MD | Independent Power Producer | 1 | 351.6 GWh | Dec 2024 | Oct 2025 | $2.50M | |
| Microsoft Energy LLC | Redmond, WA | - | - | - | Oct 2025 | $1.20M | $20.97M | |
| Midamerican Energy Co | Urbandale, IA | Investor-Owned Utility | 62 | 42.6 TWh | Feb 2026 | Oct 2025 | $297.24M | $13.35M |
| Middletown Coke Company, LLC | Lisle, IL | - | - | - | Oct 2025 | $4.29M | ||
| Midland Cogeneration Venture | Midland, MI | Independent Power Producer | 1 | 10.5 TWh | Feb 2026 | Oct 2025 | $202.10M | $504.75k |
| Midway Peaking LLC | San Diego, CA | Independent Power Producer | - | - | Dec 2013 | Oct 2025 | $3.24M | |
| Midwest Generations Eme LLC | Chicago, IL | Independent Power Producer | 13 | 2.2 TWh | Feb 2026 | Oct 2025 | $44.96M | $363.42k |
| Milagro Solar I, LLC | Santa Teresa, NM | Independent Power Producer | 1 | 178.5 GWh | Feb 2026 | Oct 2025 | $1.79M | |
| Milan Energy LLC | Omaha, NE | Independent Power Producer | 1 | 42.8 GWh | Dec 2024 | Oct 2025 | $1.04M | |
| Mill Run Windpower LLC | Birmingham, AL | - | - | - | Oct 2025 | $147.06k | ||
| Millican Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $1.11M | ||
| Milligan 1 Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 1.1 TWh | Feb 2026 | Oct 2025 | $6.42M | |
| Minnesota Municipal Power AGNY | Minneapolis, MN | Political Subdivision | 4 | 1.4 TWh | Dec 2024 | Oct 2025 | $7.62M | |
| Minnkota Power Coop, Inc | Grand Forks, ND | Cooperative | 3 | 4.1 TWh | Feb 2026 | Oct 2025 | $19.00M | $33.38M |
| Minonk Stewardship Wind LLC | Chicago, IL | Independent Power Producer | 1 | 333.7 GWh | Feb 2026 | Oct 2025 | $1.90M | |
| Minonk Wind, LLC | Oakville, ON | - | - | - | Oct 2025 | $3.68M | ||
| Mirabito Power & Gas, LLC | Binghamton, NY | - | - | - | Oct 2025 | $134.11k | $356.39k | |
| Missouri Basin MUNI Power AGNY | Sioux Falls, SD | Political Subdivision | 1 | 5.5 GWh | Dec 2024 | Oct 2025 | $4.93M | |
| Missouri Joint Municipal Electric Utility Commission | Columbia, MO | - | - | - | Oct 2025 | $46.71M | $10.83M | |
| Modesto Irrigation District | Modesto, CA | Political Subdivision | 5 | 317.9 GWh | Feb 2026 | Oct 2025 | $47.02M | |
| Moffett Solar 1, LLC | Bluffton, SC | Independent Power Producer | - | - | Dec 2021 | Oct 2025 | $2.20M | |
| Mojave 16/17/18 LLC | New York, NY | - | - | - | Oct 2025 | $911.85k | ||
| Mojave 3/4/5 LLC | Juno Beach, FL | Independent Power Producer | - | - | Dec 2014 | Oct 2025 | $1.31M | |
| Monongahela Power Co | Greensburg, PA | Investor-Owned Utility | 10 | 16.0 TWh | Feb 2026 | Oct 2025 | $290.81M | $995.94k |
| Montana-Dakota Utilities Co | Bismarck, ND | Investor-Owned Utility | 12 | 808.8 GWh | Feb 2026 | Oct 2025 | $12.67M | $7.54M |
| Montour, LLC | Houston, TX | - | - | - | Oct 2025 | $75.75M | ||
| Montpelier Generating Station, LLC | Washington, DC | - | - | - | Oct 2025 | $5.69M | ||
| Monument Generating Station, LLC | Washington, DC | - | - | - | Oct 2025 | $96.48k | ||
| Moraine Sands Wind Power, LLC | Toronto, ON | Independent Power Producer | 1 | 611.4 GWh | Feb 2026 | Oct 2025 | $3.58M | |
| Mordor ES1 LLC | Little Lake, CA | Independent Power Producer | 1 | - | - | Oct 2025 | $390.34k | |
| Mordor ES2 LLC | Little Lake, CA | Commercial | 1 | - | - | Oct 2025 | $271.46k | |
| Morgan Energy Center LLC | Decatur, AL | Independent Power Producer | 1 | 5.1 TWh | Feb 2026 | Oct 2025 | $10.39M | |
| Morgan Stanley Capital Group Inc. | New York, NY | - | - | - | Oct 2025 | $707.63M | $202.27M | |
| Morris Cogeneration LLC | Morris, IL | Independent Power Producer | 1 | 655.0 GWh | Feb 2026 | Oct 2025 | $5.60M | |
| Mosaic Fertilizer LLC | Mulberry, FL | Industrial | 2 | 482.2 GWh | Feb 2026 | Oct 2025 | $131.48k | |
| Moss Landing Energy Storage 1, LLC | Irving, TX | - | - | - | Oct 2025 | $6.84M | ||
| Moss Landing Energy Storage 2, LLC | Irving, TX | - | - | - | Oct 2025 | $2.28M | ||
| Moss Landing Energy Storage 3, LLC | Irving, TX | - | - | - | Oct 2025 | $6.38M | ||
| Moss Landing Power Company LLC | Irving, TX | - | - | - | Oct 2025 | $38.50M | ||
| Mountain Breeze Wind, LLC | Dallas, TX | Independent Power Producer | - | - | Dec 2020 | Oct 2025 | $2.75M | |
| Mountain Power, LLC | Chicago, IL | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | Oct 2025 | $1.86M | |
| Moxie Freedom LLC | New York, NY | Independent Power Producer | 1 | 7.8 TWh | Feb 2026 | Oct 2025 | $61.71M | |
| MP2 Energy Ne LLC | Houston, TX | - | - | - | Oct 2025 | $73.41M | $818.53M | |
| MPH Rockaway Peakers, LLC | Bethesda, MD | - | - | - | Oct 2025 | $796.35k | $113.58k | |
| MRP Elgin LLC | Chicago, IL | - | - | - | Oct 2025 | $2.46M | ||
| MRP Rocky Road LLC | Chicago, IL | - | - | - | Oct 2025 | $1.27M | ||
| MRP San Joaquin Energy LLC. | Tracy, CA | Independent Power Producer | 3 | 868.1 GWh | Feb 2026 | Oct 2025 | $18.50M | |
| MS Solar 5, LLC | Austin, TX | - | - | - | Oct 2025 | $3.76M | ||
| MS Solar 6, LLC | Austin, TX | - | - | - | Oct 2025 | $3.41M | ||
| MT. Carmel Cogen, Inc. | Marion Heights, PA | - | - | - | Oct 2025 | $440.85k | ||
| Municipal Electric Authority | Atlanta, GA | Municipally-Owned Utility | 5 | 2.4 TWh | Feb 2026 | Oct 2025 | $103.63M | $21.21M |
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 | Feb 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Feb 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Feb 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Feb 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Feb 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Feb 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Feb 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Feb 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Feb 2026 | Nuclear |
| Catawba | York, South Carolina | 20 TWh | May 1985 | Feb 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Feb 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Feb 2026 | Natural Gas : 71.2% Bituminous Coal : 28.6% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Feb 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 17 TWh | Jul 1975 | Feb 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Feb 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Feb 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Feb 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Feb 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Feb 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Feb 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Feb 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Feb 2026 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Feb 2026 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Feb 2026 | Subbituminous Coal |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Feb 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Feb 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Feb 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Feb 2026 | Subbituminous Coal : 74.7% Bituminous Coal : 16.2% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Feb 2026 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Feb 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Feb 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Feb 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Feb 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Feb 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Feb 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Feb 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Feb 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Feb 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Feb 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Feb 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Feb 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Feb 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Feb 2026 | Nuclear : 67.9% Natural Gas : 32.1% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Feb 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Feb 2026 | Subbituminous Coal : 83.0% Natural Gas : 17.0% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Feb 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Feb 2026 | Natural Gas : 99.9% |