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 |
|---|---|---|---|---|---|---|---|---|
| MWRA Charlestown | Boston, MA | State-Owned Utility | 1 | 1.3 GWh | Dec 2024 | - | ||
| Maryland Environmental Service | Westover, MD | State-Owned Utility | 1 | 13.9 GWh | Mar 2026 | - | ||
| Montana Dept-Natural Res&Consv | Helena, MT | State-Owned Utility | 1 | 49.9 GWh | Dec 2024 | - | ||
| Massachusetts Bay Trans AUTH | Jamaica Plain, MA | State-Owned Utility | 1 | 479.6 MWh | Dec 2024 | - | ||
| Massachusetts Department Of Correction | Bridgewater, MA | State-Owned Utility | 1 | 1.9 GWh | Dec 2024 | - | ||
| Massachusetts Water Res AUTH | Boston, MA | State-Owned Utility | 3 | 15.2 GWh | Dec 2024 | - | ||
| MT Wachusett Community College | Gardner, MA | State-Owned Utility | 1 | 4.2 GWh | Mar 2026 | - | ||
| Metropolitan Water District Of S Ca | LOS Angeles, CA | State-Owned Utility | 17 | 98.9 GWh | Dec 2024 | - | ||
| Michigan State University | East Lansing, MI | State-Owned Utility | 1 | 274.9 GWh | Mar 2026 | - | ||
| Minnesota Municipal Power AGNY | Minneapolis, MN | Political Subdivision | 4 | 1.4 TWh | Dec 2024 | Oct 2025 | $7.62M | |
| Missouri Basin MUNI Power AGNY | Sioux Falls, SD | Political Subdivision | 1 | 5.5 GWh | Dec 2024 | Oct 2025 | $4.93M | |
| Missouri JNT MUNI.PWR ELEC. Ut. COMM. | Columbia, MO | Political Subdivision | 14 | 169.3 GWh | Mar 2026 | - | ||
| Modesto Irrigation District | Modesto, CA | Political Subdivision | 5 | 317.9 GWh | Mar 2026 | Oct 2025 | $47.02M | |
| Merced Irrigation District | Merced, CA | Political Subdivision | 6 | 318.2 GWh | Dec 2024 | Oct 2025 | $1.24M | |
| Materials Innovation Recycling Authority | Rocky Hill, CT | Political Subdivision | 1 | 1.2 GWh | Dec 2024 | - | ||
| Massachusetts WTR Rauth-Deer I | Winthrop, MA | Political Subdivision | 1 | 37.0 GWh | Mar 2026 | - | ||
| Metropolitan Airports Commission | Minneapolis, MN | Political Subdivision | 1 | 2.9 GWh | Mar 2026 | - | ||
| Massachusetts Mun Wholes Electric Co | Ludlow, MA | Political Subdivision | 6 | 85.4 GWh | Mar 2026 | - | ||
| Michigan Public Power Agency | Lansing, MI | Political Subdivision | 1 | 50.2 GWh | Dec 2024 | Oct 2025 | $22.86M | |
| Maverick CTY Water Control & Improvement | Eagle Pass, TX | Political Subdivision | 1 | 12.6 GWh | Feb 2026 | - | ||
| Metropolitan Sewerage District | Asheville, NC | Municipally-Owned Utility | 1 | 4.5 GWh | Mar 2026 | - | ||
| Monterey One Water | Monterey, CA | Municipally-Owned Utility | 1 | 8.1 GWh | Dec 2024 | - | ||
| Monterey CNTY Water Res Agency | Salinas, CA | Municipally-Owned Utility | 1 | 18.2 GWh | Dec 2024 | - | ||
| Miami DADE Water & Sewer Dept | Miami, FL | Municipally-Owned Utility | 2 | 22.7 GWh | Mar 2026 | - | ||
| Monterey Regional Waste MGMT | Marina, CA | Municipally-Owned Utility | 1 | 26.0 GWh | Dec 2024 | - | ||
| Manitowoc Public Utilities | Manitowoc, WI | Municipally-Owned Utility | 2 | 140.9 GWh | Mar 2026 | Apr 2024 | ||
| Middlesex County Utilities Authority | Sayerville, NJ | Municipally-Owned Utility | 1 | 116.0 GWh | Mar 2026 | - | ||
| Municipal Electric Authority | Atlanta, GA | Municipally-Owned Utility | 5 | 2.5 TWh | Mar 2026 | Oct 2025 | $103.63M | $21.21M |
| Milwaukee Metro Sewerage DIST | Milwaukee, WI | Municipally-Owned Utility | 2 | 89.8 GWh | Mar 2026 | - | ||
| Maine Waste To Energy | Auburn, ME | Municipally-Owned Utility | 1 | 9.4 GWh | Mar 2026 | - | ||
| Metlakatla Power & Light | Metlakatla, AK | Municipally-Owned Utility | 3 | 19.7 GWh | Dec 2024 | - | ||
| Mayor And City Council Of Baltimore City | Baltimore, MD | Municipally-Owned Utility | 1 | 635.0 MWh | Dec 2024 | - | ||
| Metro WTR RECL DIST GRTR Chi | Chicago, IL | Municipally-Owned Utility | 1 | 19.0 GWh | Mar 2026 | - | ||
| Middle Fork Irrigation DIST | Parkdale, OR | Municipally-Owned Utility | 1 | 22.1 GWh | Dec 2024 | - | ||
| Metropolitan DIST Of Hartford | Hartford, CT | Municipally-Owned Utility | 2 | 9.8 GWh | Dec 2024 | - | ||
| Mesquite Solar 3, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $7.75M | |
| Mesquite Solar 2, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $5.27M | |
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 17 | 857.7 GWh | Mar 2026 | Oct 2025 | $31.93M | $919.38k |
| Montana-Dakota Utilities Co | Bismarck, ND | Investor-Owned Utility | 12 | 808.8 GWh | Mar 2026 | Oct 2025 | $12.67M | $7.54M |
| Midamerican Energy Co | Urbandale, IA | Investor-Owned Utility | 62 | 42.6 TWh | Mar 2026 | Oct 2025 | $297.24M | $13.35M |
| Massachusetts Electric Co | Brooklyn, NY | Investor-Owned Utility | 3 | 3.7 GWh | Dec 2024 | Oct 2025 | $29.93M | $75.60M |
| Monongahela Power Co | Greensburg, PA | Investor-Owned Utility | 10 | 16.0 TWh | Mar 2026 | Oct 2025 | $290.81M | $995.94k |
| MAUI Electric Co Ltd | Kahului - MAUI, HI | Investor-Owned Utility | 6 | 870.7 GWh | Mar 2026 | - | ||
| Meadow Lake Solar Park | Merrillville, IN | Investor-Owned Utility | 1 | 412.1 GWh | Mar 2026 | Sep 2025 | $3.80M | |
| Mississippi Power Co | Gulfport, MS | Investor-Owned Utility | 8 | 18.6 TWh | Mar 2026 | Sep 2025 | $65.80M | $4.58M |
| McGrath Light & Power Co | McGrath, AK | Investor-Owned Utility | 1 | 2.1 GWh | Dec 2024 | - | ||
| MPH Al Pierce, LLC | Wallingford, CT | Investor-Owned Utility | 1 | - | Jan 2026 | Sep 2025 | $510.35k | |
| Morton Salt Inc | Rittman, OH | Industrial | 1 | 14.6 GWh | Dec 2024 | - | ||
| McKinley Paper | Port Angeles, WA | Industrial | 2 | 336.8 GWh | Dec 2024 | - | ||
| Mosaic Fertilizer LLC | Mulberry, FL | Industrial | 2 | 480.2 GWh | Mar 2026 | Oct 2025 | $131.48k | |
| Mosaic Phosphates Co. | Uncle SAM, LA | Industrial | 1 | 99.4 GWh | Mar 2026 | - | ||
| Mead Coated Board Inc | Glen Allen, VA | Industrial | 1 | 781.8 GWh | Mar 2026 | - | ||
| Motiva Enterprises LLC | Port Arthur, TX | Industrial | 1 | 1.8 TWh | Mar 2026 | Apr 2025 | ||
| Michigan Sugar Company | Sebewaing, MI | Industrial | 2 | 514.8 MWh | Mar 2026 | - | ||
| Molson Coors Shenandoah Brewery | Elkton, VA | Industrial | 1 | 6.7 GWh | Mar 2026 | - | ||
| Molson Coors USA LLC | Golden, CO | Industrial | 1 | 127.8 GWh | Mar 2026 | - | ||
| Mosaic Company | Bartlow, FL | Industrial | 5 | 294.4 GWh | Mar 2026 | - | ||
| Martinez Refining Co | Martinez, CA | Industrial | 1 | 753.4 GWh | Mar 2026 | Sep 2025 | $1.83M | |
| Mount Joy Wire Corp | Mount Joy, PA | Industrial | 1 | 641.9 MWh | Dec 2024 | - | ||
| MPC Generating | Monroe, GA | Independent Power Producer|Investor-Owned Utility | 1 | 38.8 GWh | Dec 2024 | Sep 2025 | $1.31M | |
| Musselshell Wind Project LLC | Independent Power Producer|Investor-Owned Utility | 2 | 54.0 GWh | Dec 2024 | - | |||
| Minnesota Solar CSG 9, LLC | Toronto | Independent Power Producer | 1 | 8.3 GWh | Dec 2024 | - | ||
| Minco II Energy Storage LLC | Juno Beach, FL | Independent Power Producer | 1 | -11.9 GWh | Mar 2026 | Sep 2025 | $2.17M | |
| Minco Wind IV, LLC | Juno Beach, FL | Independent Power Producer | 1 | 595.2 GWh | Mar 2026 | Sep 2025 | $1.67M | |
| Midway Wind, LLC | Dallas, TX | Independent Power Producer | 1 | 447.8 GWh | Mar 2026 | - | ||
| Minisink Solar 1 LLC | San Francisco, CA | Independent Power Producer | 1 | 3.8 GWh | Dec 2024 | - | ||
| Minisink Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| Mink Creek Hydro Entity | Preston, ID | Independent Power Producer | 1 | 11.5 GWh | Dec 2024 | - | ||
| Mulligan Solar | Charlottesville, VA | Independent Power Producer | 1 | 162.9 GWh | Mar 2026 | Sep 2025 | $1.19M | |
| 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 | - | ||
| Minnesota Solar CSG 21, LLC | Toronto | Independent Power Producer | 1 | 4.0 GWh | Dec 2024 | - | ||
| Minnesota Solar CSG 4, LLC | Toronto | Independent Power Producer | 1 | 5.3 GWh | Dec 2024 | - | ||
| Minnesota Solar CSG 8, LLC | Toronto | Independent Power Producer | 1 | 5.1 GWh | Dec 2024 | - | ||
| Mustang Hills, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 312.4 GWh | Dec 2024 | Jun 2025 | $11.94M | |
| Middle River Power II, LLC | Chicago, IL | Independent Power Producer | 2 | 483.9 GWh | Dec 2024 | - | ||
| Minnie Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 5.6 GWh | Dec 2024 | - | ||
| Minonk Stewardship Wind LLC | Chicago, IL | Independent Power Producer | 1 | 339.7 GWh | Mar 2026 | Oct 2025 | $1.90M | |
| Misae Lessee LLC | New York, NY | Independent Power Producer | 1 | 422.9 GWh | Mar 2026 | - | ||
| Misenheimer Solar LLC | Houston, TX | Independent Power Producer | 1 | 171.1 GWh | Mar 2026 | Sep 2025 | $3.06M | |
| Midway-Sunset Cogeneration Co | Fellows, CA | Independent Power Producer | 1 | 31.9 GWh | Mar 2026 | Sep 2025 | $99.78k | |
| Midcontinent Solar, LLC | New York, NY | Independent Power Producer | 1 | 37.6 GWh | Dec 2024 | - | ||
| Mule Farm Solar, LLC | El Segundo, CA | Independent Power Producer | 1 | 3.8 GWh | Dec 2024 | - | ||
| Murphy Flat Power, LLC | Boston, MA | Independent Power Producer | 1 | 44.5 GWh | Mar 2026 | - | ||
| MN8 Energy LLC | Delray Beach, FL | Independent Power Producer | 187 | 3.0 TWh | Mar 2026 | - | ||
| Mud Garden LLC | Gaylord, MN | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Muscle Shoals Solar, LLC | Austin, TX | Independent Power Producer | 1 | 455.1 GWh | Mar 2026 | Sep 2025 | $3.46M | |
| MM Albany Energy LLC | Lockport, NY | Independent Power Producer | 1 | 11.0 GWh | Dec 2024 | - | ||
| Middletown Power LLC | Middletown, CT | Independent Power Producer | 1 | 31.7 GWh | Dec 2024 | Sep 2025 | $3.06M | |
| Milford Power LLC | Milford, CT | Independent Power Producer | 2 | 3.8 TWh | Mar 2026 | Sep 2025 | $48.82M | |
| Milford Solar 1, LLC | New York, NY | Independent Power Producer | 1 | 283.5 GWh | Mar 2026 | - | ||
| Milford Solar LLC | Oakland, CA | Independent Power Producer | 1 | 19.7 GWh | Mar 2026 | - | ||
| Milford Wind Corridor Phase I LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Sep 2025 | $2.44M | $34.09k |
| Milford Wind Corridor Phase I, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 430.0 GWh | Mar 2026 | - | ||
| Midway Green Solar, LLC | New York, NY | Independent Power Producer | 1 | 21.8 GWh | Dec 2024 | - | ||
| Midlothian Energy LLC | Independent Power Producer | 1 | 7.1 TWh | Mar 2026 | - | |||
| Midland Cogeneration Venture | Midland, MI | Independent Power Producer | 1 | 10.7 TWh | Mar 2026 | Oct 2025 | $202.10M | $504.75k |
| Milford Pepes Farm Road Solar LLC | Schenectady, NY | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| Milford Wind Corridor Stage II LLC | Boston, MA | Independent Power Producer | 1 | 208.3 GWh | Mar 2026 | - | ||
| Mililani I Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 64.4 GWh | Mar 2026 | - |
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 | Mar 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Mar 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Mar 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Mar 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Mar 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Mar 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Mar 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | Mar 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Mar 2026 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Mar 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Mar 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Mar 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Mar 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Mar 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Mar 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Mar 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Mar 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Mar 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Mar 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Mar 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Mar 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Mar 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Mar 2026 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Mar 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Mar 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Mar 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Mar 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Mar 2026 | Subbituminous Coal : 75.0% Bituminous Coal : 16.0% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Mar 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Mar 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Mar 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Mar 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Mar 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Mar 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Mar 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 16 TWh | Nov 1972 | Mar 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Mar 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Mar 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | Mar 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Mar 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Mar 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Mar 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Mar 2026 | Nuclear : 68.1% Natural Gas : 31.9% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Mar 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Mar 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Mar 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Mar 2026 | Natural Gas |