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 |
|---|---|---|---|---|---|---|---|---|
| Midamerican Energy Co | Urbandale, IA | Investor-Owned Utility | 62 | 42.6 TWh | Oct 2025 | Oct 2025 | $297.24M | $13.35M |
| Mississippi Power Co | Gulfport, MS | Investor-Owned Utility | 8 | 18.6 TWh | Oct 2025 | Sep 2025 | $65.80M | $4.58M |
| Monongahela Power Co | Greensburg, PA | Investor-Owned Utility | 10 | 16.0 TWh | Oct 2025 | Oct 2025 | $290.81M | $995.94k |
| Midland Cogeneration Venture | Midland, MI | Independent Power Producer | 1 | 10.5 TWh | Oct 2025 | Oct 2025 | $202.10M | $504.75k |
| Moxie Freedom LLC | New York, NY | Independent Power Producer | 1 | 7.6 TWh | Oct 2025 | Oct 2025 | $61.71M | |
| Midlothian Energy LLC | Independent Power Producer | 1 | 7.1 TWh | Oct 2025 | - | |||
| Marcus Hook Energy LP | Marcus Hook, PA | Independent Power Producer | 1 | 6.1 TWh | Oct 2025 | Oct 2025 | $54.07M | |
| Morgan Energy Center LLC | Decatur, AL | Independent Power Producer | 1 | 5.3 TWh | Oct 2025 | Oct 2025 | $10.39M | |
| Mesquite Power LLC | Arlington, AZ | Independent Power Producer | 1 | 4.5 TWh | Oct 2025 | Oct 2025 | $4.01M | $1.65M |
| Milford Power LLC | Milford, CT | Independent Power Producer | 2 | 4.2 TWh | Oct 2025 | Sep 2025 | $48.82M | |
| Minnkota Power Coop, Inc | Grand Forks, ND | Cooperative | 3 | 4.1 TWh | Oct 2025 | Oct 2025 | $19.00M | $33.38M |
| MRP Generation Holdings, LLC | Effingham, IL | Independent Power Producer | 1 | 3.9 TWh | Oct 2025 | - | ||
| MN8 Energy LLC | Delray Beach, FL | Independent Power Producer | 187 | 3.9 TWh | Oct 2025 | - | ||
| Municipal Electric Authority | Atlanta, GA | Municipally-Owned Utility | 5 | 3.1 TWh | Oct 2025 | Oct 2025 | $103.63M | $21.21M |
| MEC Holdings LLC | Independent Power Producer | 1 | 3.0 TWh | Dec 2024 | - | |||
| Major Oak Power, LLC | Bremond, TX | Independent Power Producer | 1 | 2.4 TWh | Oct 2025 | - | ||
| Midwest Generations Eme LLC | Chicago, IL | Independent Power Producer | 13 | 2.2 TWh | Oct 2025 | Oct 2025 | $44.96M | $363.42k |
| Manchester Street, LLC. | Providence, RI | Independent Power Producer | 1 | 2.1 TWh | Oct 2025 | Sep 2025 | $28.13M | |
| Motiva Enterprises LLC | Port Arthur, TX | Industrial | 1 | 1.7 TWh | Oct 2025 | Apr 2025 | ||
| Mobile Energy LLC | Mobile, AL | Independent Power Producer | 1 | 1.4 TWh | Oct 2025 | Sep 2025 | $3.08M | |
| Minnesota Municipal Power AGNY | Minneapolis, MN | Political Subdivision | 4 | 1.4 TWh | Dec 2024 | Oct 2025 | $7.62M | |
| Mesquite Star Special LLC | San Francisco, CA | Independent Power Producer | 1 | 1.2 TWh | Oct 2025 | - | ||
| Michigan Power Limited Partnership | Ludington, MI | Independent Power Producer | 1 | 1.2 TWh | Dec 2024 | - | ||
| Milligan 1 Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 1.1 TWh | Oct 2025 | Oct 2025 | $6.42M | |
| MRP San Joaquin Energy LLC. | Tracy, CA | Independent Power Producer | 3 | 1.1 TWh | Oct 2025 | Oct 2025 | $18.50M | |
| Mohave County Wind Farm | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | Oct 2025 | Sep 2025 | $11.45M | |
| Mockingbird Solar Center, LLC | Austin, TX | Independent Power Producer | 1 | 1.0 TWh | Oct 2025 | - | ||
| MAUI Electric Co Ltd | Kahului - MAUI, HI | Investor-Owned Utility | 6 | 870.7 GWh | Oct 2025 | - | ||
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 17 | 857.7 GWh | Oct 2025 | Oct 2025 | $31.93M | $919.38k |
| Martinez Refining Co | Martinez, CA | Industrial | 1 | 825.7 GWh | Oct 2025 | Sep 2025 | $1.83M | |
| Montana-Dakota Utilities Co | Bismarck, ND | Investor-Owned Utility | 12 | 808.8 GWh | Oct 2025 | Oct 2025 | $12.67M | $7.54M |
| Mesquite Wind LLC | Abilene, TX | Independent Power Producer | 2 | 807.6 GWh | Oct 2025 | - | ||
| Mammoth Plains Wind Project | Juno Beach, FL | Independent Power Producer | 1 | 790.8 GWh | Dec 2024 | Sep 2025 | $1.59M | |
| Mead Coated Board Inc | Glen Allen, VA | Industrial | 1 | 778.4 GWh | Oct 2025 | - | ||
| Mammoth North, LLC | Philadelphia, PA | Independent Power Producer | 1 | 753.8 GWh | Oct 2025 | Oct 2025 | $10.42M | |
| Meadow Lake Wind Farm VI LLC | Chalmers, IN | Independent Power Producer | 1 | 694.5 GWh | Oct 2025 | Oct 2025 | $9.89M | |
| McCoy Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 674.0 GWh | Dec 2024 | Sep 2025 | $27.30M | |
| Morris Cogeneration LLC | Morris, IL | Independent Power Producer | 1 | 649.5 GWh | Oct 2025 | Oct 2025 | $5.60M | |
| Millennium Power Company, LLC | Darien, CT | Independent Power Producer | 1 | 645.6 GWh | Oct 2025 | Sep 2025 | $10.39M | |
| Mojave Solar LLC | Hinkley, CA | Independent Power Producer | 1 | 641.7 GWh | Oct 2025 | Sep 2025 | $42.14M | |
| Matanuska Electric Assn Inc | Palmer, AK | Cooperative | 1 | 632.3 GWh | Dec 2024 | - | ||
| Moraine Sands Wind Power, LLC | Toronto, ON | Independent Power Producer | 1 | 628.5 GWh | Oct 2025 | Oct 2025 | $3.58M | |
| Montgomery Ranch Wind Farm, LLC | Austin, TX | Independent Power Producer | 1 | 513.1 GWh | Oct 2025 | - | ||
| Marble River, LLC | Houston, TX | Independent Power Producer | 1 | 503.7 GWh | Oct 2025 | Oct 2025 | $3.60M | |
| Minco Wind IV, LLC | Juno Beach, FL | Independent Power Producer | 1 | 501.5 GWh | Oct 2025 | Sep 2025 | $1.67M | |
| Masspower | Indian Orchard, MA | Independent Power Producer | 1 | 486.5 GWh | Dec 2024 | Sep 2025 | $6.72M | |
| Middle River Power II, LLC | Chicago, IL | Independent Power Producer | 2 | 483.9 GWh | Dec 2024 | - | ||
| Mountain Creek Power, LLC | Dallas, TX | Independent Power Producer | 1 | 479.5 GWh | Dec 2024 | - | ||
| Meadow Lake Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 475.4 GWh | Dec 2024 | Oct 2025 | $4.25M | |
| Mosaic Fertilizer LLC | Mulberry, FL | Industrial | 2 | 470.6 GWh | Oct 2025 | Oct 2025 | $131.48k | |
| Muscle Shoals Solar, LLC | Austin, TX | Independent Power Producer | 1 | 466.8 GWh | Oct 2025 | Sep 2025 | $3.46M | |
| Misae Lessee LLC | New York, NY | Independent Power Producer | 1 | 448.8 GWh | Oct 2025 | - | ||
| Midway Wind, LLC | Dallas, TX | Independent Power Producer | 1 | 440.1 GWh | Oct 2025 | - | ||
| Milford Wind Corridor Phase I, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 432.1 GWh | Oct 2025 | - | ||
| Meadowlark Wind I LLC | Edmonton, AB | Independent Power Producer | 1 | 423.7 GWh | Oct 2025 | Oct 2025 | $1.94M | |
| Madison Fields Solar Project, LLC | Kansas City, MO | Independent Power Producer | 1 | 412.2 GWh | Oct 2025 | Oct 2025 | $5.69M | |
| Meadow Lake Solar Park | Merrillville, IN | Investor-Owned Utility | 1 | 405.5 GWh | Oct 2025 | Sep 2025 | $3.80M | |
| Maverick Solar LLC | San Diego, CA | Independent Power Producer | 2 | 402.0 GWh | Oct 2025 | Oct 2025 | $3.87M | |
| Mountain Air Projects, LLC | San Diego, CA | Independent Power Producer | 6 | 388.6 GWh | Dec 2024 | - | ||
| Maverick Solar 7, LLC | San Diego, CA | Independent Power Producer | 1 | 368.8 GWh | Oct 2025 | Oct 2025 | $3.10M | |
| Markum Solar Farm, LLC | Valley Mills, TX | Independent Power Producer | 1 | 365.3 GWh | Oct 2025 | - | ||
| Meadow Lake Wind Farm V LLC | Houston, TX | Independent Power Producer | 1 | 351.9 GWh | Oct 2025 | Oct 2025 | $6.45M | |
| Michigan Wind 2, LLC | Baltimore, MD | Independent Power Producer | 1 | 351.6 GWh | Dec 2024 | Oct 2025 | $2.50M | |
| Matep LLC | Boston, MA | Commercial | 1 | 348.9 GWh | Dec 2024 | Sep 2025 | $8.95M | $5.44M |
| Merck & Co Inc-West Point | Rahway, NJ | |Industrial | 4 | 345.2 GWh | Oct 2025 | Sep 2025 | $96.43k | |
| McKinley Paper | Port Angeles, WA | Industrial | 2 | 336.8 GWh | Dec 2024 | - | ||
| Minonk Stewardship Wind LLC | Chicago, IL | Independent Power Producer | 1 | 330.6 GWh | Oct 2025 | Oct 2025 | $1.90M | |
| Merced Irrigation District | Merced, CA | Political Subdivision | 6 | 318.2 GWh | Dec 2024 | Oct 2025 | $1.24M | |
| Modesto Irrigation District | Modesto, CA | Political Subdivision | 5 | 317.9 GWh | Oct 2025 | Oct 2025 | $47.02M | |
| Morris Ridge Solar Energy Center, LLC | San Diego,, CA | Independent Power Producer | 1 | 314.7 GWh | Oct 2025 | Sep 2025 | $3.72M | |
| Mustang Hills, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 312.4 GWh | Dec 2024 | Jun 2025 | $11.94M | |
| Mosaic Company | Bartlow, FL | Industrial | 5 | 295.3 GWh | Oct 2025 | - | ||
| Meadow Lake Wind Farm III LLC | Houston, TX | Independent Power Producer | 1 | 289.7 GWh | Dec 2024 | Oct 2025 | $2.67M | |
| Maverick Solar 4, LLC | San Diego, CA | Independent Power Producer | 1 | 289.1 GWh | Oct 2025 | Oct 2025 | $3.96M | |
| Milford Solar 1, LLC | New York, NY | Independent Power Producer | 1 | 280.6 GWh | Oct 2025 | - | ||
| Michigan State University | East Lansing, MI | State-Owned Utility | 1 | 272.1 GWh | Oct 2025 | - | ||
| Maverick Solar 6, LLC | San Diego, CA | Independent Power Producer | 1 | 268.8 GWh | Oct 2025 | Oct 2025 | $3.61M | |
| Meadow Lake Wind Farm II LLC | Houston, TX | Independent Power Producer | 1 | 254.5 GWh | Dec 2024 | Oct 2025 | $2.58M | |
| Massachusetts Inst Of Tech | Cambridge, MA | Commercial | 1 | 223.7 GWh | Dec 2024 | - | ||
| Meadow Lake Wind Farm IV LLC | Houston, TX | Independent Power Producer | 1 | 214.2 GWh | Dec 2024 | Oct 2025 | $963.38k | |
| Milford Wind Corridor Stage II LLC | Boston, MA | Independent Power Producer | 1 | 208.5 GWh | Oct 2025 | - | ||
| Martin County Solar Project, LLC | Houston, TX | Independent Power Producer | 1 | 199.9 GWh | Oct 2025 | Oct 2025 | $2.65M | |
| Madison Energy Holdings LLC | Tysons, VA | Independent Power Producer | 52 | 181.3 GWh | Dec 2024 | - | ||
| Mountain Wind Power II LLC | Scottsdale, AZ | Independent Power Producer | 1 | 174.8 GWh | Oct 2025 | Sep 2025 | $1.91M | |
| Misenheimer Solar LLC | Houston, TX | Independent Power Producer | 1 | 173.0 GWh | Oct 2025 | Sep 2025 | $3.06M | |
| Michigan Wind 1, LLC | Baltimore, MD | Independent Power Producer | 1 | 169.4 GWh | Dec 2024 | Oct 2025 | $1.69M | |
| Missouri JNT MUNI.PWR ELEC. Ut. COMM. | Columbia, MO | Political Subdivision | 14 | 169.3 GWh | Oct 2025 | - | ||
| Mulligan Solar | Charlottesville, VA | Independent Power Producer | 1 | 168.1 GWh | Oct 2025 | Sep 2025 | $1.19M | |
| Moonshot Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 160.4 GWh | Oct 2025 | Sep 2025 | $-382.50k | |
| Mountain Wind Power LLC | Scottsdale, AZ | Independent Power Producer | 1 | 142.7 GWh | Oct 2025 | Sep 2025 | $1.28M | |
| Manitowoc Public Utilities | Manitowoc, WI | Municipally-Owned Utility | 2 | 140.9 GWh | Oct 2025 | Apr 2024 | ||
| Mesa Wind Repower | New York, NY | Independent Power Producer | 1 | 138.6 GWh | Oct 2025 | - | ||
| Molson Coors USA LLC | Golden, CO | Industrial | 1 | 132.1 GWh | Oct 2025 | - | ||
| Mendocino Forest Products | Windsor, CA | Commercial | 1 | 119.4 GWh | Oct 2025 | - | ||
| Middlesex County Utilities Authority | Sayerville, NJ | Municipally-Owned Utility | 1 | 118.5 GWh | Oct 2025 | - | ||
| Marshall Solar Energy Project | Juno Beach, FL | Independent Power Producer | 2 | 105.5 GWh | Oct 2025 | - | ||
| Midwest Energy Inc - (KS) | Hays, KS | Cooperative | 6 | 104.1 GWh | Oct 2025 | Sep 2025 | $9.94M | |
| Metropolitan Water District Of S Ca | LOS Angeles, CA | State-Owned Utility | 17 | 98.9 GWh | Dec 2024 | - | ||
| MS Solar 2, LLC | New York, NY | Independent Power Producer | 1 | 96.9 GWh | Oct 2025 | Sep 2025 | $1.60M | |
| Milwaukee Metro Sewerage DIST | Milwaukee, WI | Municipally-Owned Utility | 2 | 89.8 GWh | Oct 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 | Oct 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Oct 2025 | Natural Gas : 95.1% Bituminous Coal : 4.9% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Oct 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | Oct 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Oct 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Oct 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Oct 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Oct 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Oct 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Oct 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Oct 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Oct 2025 | Natural Gas : 75.4% Bituminous Coal : 24.4% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Oct 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Oct 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Oct 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Oct 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Oct 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Oct 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Oct 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Oct 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Oct 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Oct 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Oct 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Oct 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Oct 2025 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Oct 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Oct 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Oct 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Oct 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Oct 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Oct 2025 | Subbituminous Coal : 74.1% Bituminous Coal : 16.5% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Oct 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Oct 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 23 TWh | Jun 1973 | Oct 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Oct 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Oct 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Oct 2025 | Nuclear |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 18 TWh | May 1971 | Oct 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Oct 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Oct 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Oct 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Oct 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Oct 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | Oct 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Oct 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Oct 2025 | Nuclear : 68.2% Natural Gas : 31.8% |
| Vogtle | Waynesboro, Georgia | 36 TWh | Apr 1987 | Oct 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Oct 2025 | Subbituminous Coal : 83.8% Natural Gas : 16.2% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Oct 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Oct 2025 | Natural Gas : 99.9% |