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 |
|---|---|---|---|---|---|---|---|---|
| Michigan State University | East Lansing, MI | State-Owned Utility | 1 | 287.1 GWh | Jun 2026 | - | ||
| Metropolitan Water District Of S Ca | LOS Angeles, CA | State-Owned Utility | 17 | 38.4 GWh | Dec 2025 | - | ||
| Maryland Environmental Service | Westover, MD | State-Owned Utility | 1 | 15.1 GWh | Jun 2026 | - | ||
| 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 | - | ||
| Montana Dept-Natural Res&Consv | Helena, MT | State-Owned Utility | 1 | 31.7 GWh | Dec 2025 | - | ||
| MT Wachusett Community College | Gardner, MA | State-Owned Utility | 1 | 4.3 GWh | Jun 2026 | - | ||
| Massachusetts Water Res AUTH | Boston, MA | State-Owned Utility | 3 | 2.1 GWh | Dec 2025 | - | ||
| MWRA Charlestown | Boston, MA | State-Owned Utility | 1 | 1.5 GWh | Dec 2025 | - | ||
| Massachusetts WTR Rauth-Deer I | Winthrop, MA | Political Subdivision | 1 | 35.8 GWh | Jun 2026 | - | ||
| Merced Irrigation District | Merced, CA | Political Subdivision | 6 | 286.9 GWh | Dec 2025 | Oct 2025 | $1.24M | |
| Minnesota Municipal Power AGNY | Minneapolis, MN | Political Subdivision | 4 | 1.1 TWh | Dec 2025 | Oct 2025 | $7.62M | |
| Metropolitan Airports Commission | Minneapolis, MN | Political Subdivision | 1 | 2.4 GWh | Jun 2026 | - | ||
| Michigan Public Power Agency | Lansing, MI | Political Subdivision | 1 | 58.4 GWh | Dec 2025 | Oct 2025 | $22.86M | |
| Modesto Irrigation District | Modesto, CA | Political Subdivision | 5 | 310.2 GWh | Jun 2026 | Oct 2025 | $47.02M | |
| Materials Innovation Recycling Authority | Rocky Hill, CT | Political Subdivision | 1 | 1.2 GWh | Dec 2024 | - | ||
| Missouri JNT MUNI.PWR ELEC. Ut. COMM. | Columbia, MO | Political Subdivision | 17 | 162.1 GWh | Jun 2026 | - | ||
| Missouri Basin MUNI Power AGNY | Sioux Falls, SD | Political Subdivision | 1 | 2.1 GWh | Dec 2025 | Oct 2025 | $4.93M | |
| Massachusetts Mun Wholes Electric Co | Ludlow, MA | Political Subdivision | 6 | 169.5 GWh | Jun 2026 | - | ||
| Maverick CTY Water Control & Improvement | Eagle Pass, TX | Political Subdivision | 1 | 4.5 GWh | Jun 2026 | - | ||
| Metropolitan Sewerage District | Asheville, NC | Municipally-Owned Utility | 1 | 5.9 GWh | Jun 2026 | - | ||
| Metropolitan DIST Of Hartford | Hartford, CT | Municipally-Owned Utility | 2 | 4.0 GWh | Oct 2025 | - | ||
| Metro WTR RECL DIST GRTR Chi | Chicago, IL | Municipally-Owned Utility | 1 | 18.9 GWh | Jun 2026 | - | ||
| McMinnville Electric System | McMinnville, TN | Municipally-Owned Utility | 1 | 883.9 MWh | Dec 2025 | - | ||
| Metlakatla Power & Light | Metlakatla, AK | Municipally-Owned Utility | 3 | 20.4 GWh | Dec 2025 | - | ||
| Manitowoc Public Utilities | Manitowoc, WI | Municipally-Owned Utility | 2 | 197.0 GWh | Jun 2026 | Apr 2024 | ||
| Monterey Regional Waste MGMT | Marina, CA | Municipally-Owned Utility | 1 | 11.6 GWh | Dec 2025 | - | ||
| Monterey One Water | Monterey, CA | Municipally-Owned Utility | 1 | 9.0 GWh | Dec 2025 | - | ||
| Monterey CNTY Water Res Agency | Salinas, CA | Municipally-Owned Utility | 1 | 11.9 GWh | Dec 2025 | - | ||
| Milwaukee Metro Sewerage DIST | Milwaukee, WI | Municipally-Owned Utility | 2 | 108.5 GWh | Jun 2026 | - | ||
| Mayor And City Council Of Baltimore City - (MD) | Baltimore, MD | Municipally-Owned Utility | 1 | 635.0 MWh | Dec 2024 | - | ||
| Miami DADE Water & Sewer Dept | Miami, FL | Municipally-Owned Utility | 2 | 22.3 GWh | Jun 2026 | - | ||
| Middlesex County Utilities Authority - (NJ) | Sayerville, NJ | Municipally-Owned Utility | 1 | 116.6 GWh | Jun 2026 | - | ||
| Maine Waste To Energy | Auburn, ME | Municipally-Owned Utility | 1 | 8.3 GWh | Jun 2026 | - | ||
| Middle Fork Irrigation DIST | Parkdale, OR | Municipally-Owned Utility | 1 | 21.4 GWh | Dec 2025 | - | ||
| Municipal Electric Authority - (Ga) | Atlanta, GA | Municipally-Owned Utility | 5 | 2.9 TWh | Jun 2026 | - | ||
| MPH Al Pierce, LLC | Wallingford, CT | Investor-Owned Utility | 1 | - | Jan 2026 | Sep 2025 | $510.35k | |
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 20 | 939.1 GWh | Jun 2026 | Oct 2025 | $31.93M | $919.38k |
| Massachusetts Electric Co | Brooklyn, NY | Investor-Owned Utility | 3 | 3.9 GWh | Dec 2025 | Oct 2025 | $29.93M | $75.60M |
| Midamerican Energy Co | Urbandale, IA | Investor-Owned Utility | 62 | 42.6 TWh | Jun 2026 | Oct 2025 | $297.24M | $13.35M |
| Montana-Dakota Utilities Co | Bismarck, ND | Investor-Owned Utility | 12 | 900.2 GWh | Jun 2026 | Oct 2025 | $12.67M | $7.54M |
| Monongahela Power Co | Greensburg, PA | Investor-Owned Utility | 10 | 18.1 TWh | Jun 2026 | Oct 2025 | $290.81M | $995.94k |
| 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 | |
| MAUI Electric Co Ltd | Kahului - MAUI, HI | Investor-Owned Utility | 6 | 917.8 GWh | Jun 2026 | - | ||
| McGrath Light & Power Co | McGrath, AK | Investor-Owned Utility | 1 | 2.0 GWh | Dec 2025 | - | ||
| Meadow Lake Solar Park | Merrillville, IN | Investor-Owned Utility | 1 | 424.3 GWh | Jun 2026 | Sep 2025 | $3.80M | |
| Mississippi Power Co | Gulfport, MS | Investor-Owned Utility | 8 | 19.3 TWh | Jun 2026 | Sep 2025 | $65.80M | $4.58M |
| Molson Coors USA LLC | Golden, CO | Industrial | 1 | 127.2 GWh | Jun 2026 | - | ||
| Martinez Refining Co | Martinez, CA | Industrial | 1 | 729.8 GWh | Jun 2026 | Sep 2025 | $1.83M | |
| McKinley Paper | Port Angeles, WA | Industrial | 2 | 337.6 GWh | Dec 2025 | - | ||
| Michigan Sugar Company | Sebewaing, MI | Industrial | 2 | 509.0 MWh | Mar 2026 | - | ||
| Marion Wind 23, LLC | Findlay, OH | Industrial | 1 | 6.5 GWh | Dec 2024 | - | ||
| Mead Coated Board Inc | Glen Allen, VA | Industrial | 1 | 791.3 GWh | Jun 2026 | - | ||
| Morton Salt Inc | Rittman, OH | Industrial | 1 | 15.6 GWh | Dec 2025 | - | ||
| Mosaic Company | Bartlow, FL | Industrial | 5 | 277.3 GWh | Jun 2026 | - | ||
| Mosaic Fertilizer LLC | Mulberry, FL | Industrial | 2 | 466.9 GWh | Jun 2026 | Oct 2025 | $131.48k | |
| Mosaic Phosphates Co. | Uncle SAM, LA | Industrial | 1 | 106.7 GWh | Jun 2026 | - | ||
| Motiva Enterprises LLC | Port Arthur, TX | Industrial | 1 | 1.8 TWh | Jun 2026 | Apr 2025 | ||
| Molson Coors Shenandoah Brewery | Elkton, VA | Industrial | 1 | 6.2 GWh | Jun 2026 | - | ||
| Mount Joy Wire Corp | Mount Joy, PA | Industrial | 1 | 5.2 GWh | Dec 2025 | - | ||
| Musselshell Wind Project LLC | Chicago, IL | Independent Power Producer|Investor-Owned Utility | 2 | 54.0 GWh | Dec 2024 | - | ||
| MPC Generating | Monroe, GA | Independent Power Producer|Investor-Owned Utility | 1 | 131.0 GWh | Dec 2025 | Sep 2025 | $1.31M | |
| Middleton Biogas Solar, LLC | Chanhassen, MN | Independent Power Producer | 1 | 1.9 GWh | Dec 2025 | - | ||
| Millennium Power Company, LLC | Darien, CT | Independent Power Producer | 1 | 1.0 TWh | Jun 2026 | Sep 2025 | $10.39M | |
| Misae Lessee LLC | New York, NY | Independent Power Producer | 1 | 442.1 GWh | Jun 2026 | - | ||
| Millbury Ma #1092 LLC | Millbury, MA | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| Misenheimer Solar LLC | Houston, TX | Independent Power Producer | 1 | 179.2 GWh | Jun 2026 | Sep 2025 | $3.06M | |
| Mililani I Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 65.3 GWh | Jun 2026 | - | ||
| Milford Wind Corridor Stage II LLC | Boston, MA | Independent Power Producer | 1 | 193.8 GWh | Jun 2026 | - | ||
| Milford Wind Corridor Phase I, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 407.5 GWh | Jun 2026 | - | ||
| Milford Wind Corridor Phase I LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Sep 2025 | $2.44M | $34.09k |
| Middletown Ny 1, LLC | Louisville, CO | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| MM Albany Energy LLC | Lockport, NY | Independent Power Producer | 1 | 7.7 GWh | Dec 2025 | - | ||
| Milford Solar LLC | Oakland, CA | Independent Power Producer | 1 | 20.0 GWh | Jun 2026 | - | ||
| MM Lopez Energy LLC | Lockport, NY | Independent Power Producer | 1 | 28.0 GWh | Dec 2025 | - | ||
| MM San Diego Energy-Miramar | Lockport, NY | Independent Power Producer | 1 | 43.7 GWh | Dec 2025 | - | ||
| MM Taunton Energy LLC | Lockport, NY | Independent Power Producer | 1 | 7.4 GWh | Dec 2025 | - | ||
| Middletown Power LLC | Middletown, CT | Independent Power Producer | 1 | 31.7 GWh | Dec 2024 | Sep 2025 | $3.06M | |
| MM West Covina Energy LLC | Lockport, NY | Independent Power Producer | 1 | 43.1 GWh | Dec 2025 | Mar 2023 | ||
| Milagro Solar I, LLC | Santa Teresa, NM | Independent Power Producer | 1 | 356.9 GWh | Jun 2026 | Oct 2025 | $1.79M | |
| MMA Fresno Power LP | New York, NY | Independent Power Producer | 1 | 1.3 GWh | Dec 2025 | - | ||
| Milan Energy LLC | Omaha, NE | Independent Power Producer | 1 | 44.8 GWh | Dec 2025 | Oct 2025 | $1.04M | |
| MMPS1, LLC | Madison, NE | Independent Power Producer | 1 | 2.9 GWh | Dec 2025 | - | ||
| MN CSG 2, LLC | New York, NY | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| MN CSG 2019-105 LLC | Annapolis, MD | Independent Power Producer | 1 | 1.2 GWh | Dec 2025 | - | ||
| MN CSG 2019-16 LLC | Schenectady, NY | Independent Power Producer | 1 | 2.1 GWh | Dec 2025 | - | ||
| Milford Pepes Farm Road Solar LLC | Schenectady, NY | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| MN CSG 2019-22 LLC | Annapolis, MD | Independent Power Producer | 1 | 1.6 GWh | Dec 2025 | - | ||
| Milford Power LLC | Milford, CT | Independent Power Producer | 2 | 3.8 TWh | Jun 2026 | Sep 2025 | $48.82M | |
| MN CSG 2019-38 De LLC | Schenectady, NY | Independent Power Producer | 1 | 2.4 GWh | Dec 2025 | - | ||
| Milford Solar 1, LLC | New York, NY | Independent Power Producer | 1 | 292.5 GWh | Jun 2026 | - | ||
| Midway Peaking LLC | San Diego, CA | Independent Power Producer | - | - | Dec 2013 | Oct 2025 | $3.24M | |
| Midwest Power Partners LLC | Ruthton, MN | Independent Power Producer | 8 | 51.4 GWh | Dec 2025 | - | ||
| Minisink Solar 2 LLC | San Francisco, CA | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| Minisink Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 1.9 GWh | Dec 2025 | - | ||
| Mink Creek Hydro Entity | Preston, ID | Independent Power Producer | 1 | 9.1 GWh | Dec 2025 | - | ||
| Midwest Generations Eme LLC | Chicago, IL | Independent Power Producer | 13 | 3.7 TWh | Jun 2026 | Oct 2025 | $44.96M | $363.42k |
| Minnesota Solar CSG 1, LLC | Toronto | Independent Power Producer | 1 | 5.4 GWh | Dec 2024 | - | ||
| Minnesota Solar CSG 19, LLC | Toronto | Independent Power Producer | 1 | 8.7 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 | Jun 2026 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Jun 2026 | Natural Gas : 97.3% Bituminous Coal : 2.7% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Jun 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Jun 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Jun 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | Jun 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Jun 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Jun 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Jun 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | Jun 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Jun 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Jun 2026 | Natural Gas : 69.8% Bituminous Coal : 30.0% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Jun 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | Jun 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Jun 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Jun 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Jun 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 19 TWh | Feb 1941 | Jun 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Jun 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Jun 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Jun 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Jun 2026 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Jun 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Jun 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 18 TWh | Dec 1983 | Jun 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Jun 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Jun 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Jun 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Jun 2026 | Subbituminous Coal : 75.2% Bituminous Coal : 15.7% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Jun 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Jun 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Jun 2026 | Lignite Coal : 99.2% Natural Gas : 0.8% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Jun 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Jun 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Jun 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Jun 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Jun 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Jun 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Jun 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 18 TWh | Jun 1981 | Jun 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Jun 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Jun 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | Jun 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Jun 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Jun 2026 | Nuclear : 64.6% Natural Gas : 35.4% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Jun 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Jun 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Jun 2026 | Subbituminous Coal : 81.2% Natural Gas : 18.8% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Jun 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Jun 2026 | Natural Gas |