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 |
|---|---|---|---|---|---|---|---|---|
| City Of Marshfield - (Wi) | Marshfield, WI | Municipally-Owned Utility | 1 | 4.0 GWh | Dec 2024 | Sep 2025 | $5.32M | |
| Snider Industries Inc | Marshall, TX | Industrial | 1 | 13.5 GWh | Dec 2024 | - | ||
| City Of Marshall - (Mo) | Marshall, MO | Municipally-Owned Utility | 1 | 579.5 MWh | Dec 2024 | - | ||
| City Of Marshall - (Mi) | Marshall, MI | Municipally-Owned Utility | 1 | 751.3 MWh | Dec 2024 | - | ||
| Upper Peninsula Power Company | Marquette, MI | Investor-Owned Utility | 7 | 87.5 GWh | Dec 2024 | Oct 2025 | $5.49M | $5.40M |
| City Of Marquette - (Mi) | Marquette, MI | Municipally-Owned Utility | 5 | 190.8 GWh | Dec 2024 | - | ||
| Malacha Hydro Ltd Partnership | Marlborough, MA | Independent Power Producer | - | - | Dec 2018 | Sep 2025 | $2.24M | |
| Cross-Sound Cable Company, LLC | Marlborough, MA | - | - | - | Sep 2025 | $6.39M | ||
| Bear Swamp Power Company LLC | Marlborough, MA | Independent Power Producer | 2 | -184.4 GWh | Mar 2026 | Sep 2025 | $14.42M | |
| Prairie State Generating Co LLC | Marissa, IL | Municipally-Owned Utility | 1 | 13.4 TWh | Mar 2026 | - | ||
| Poet Biorefining - Marion, LLC | Marion, OH | Industrial | 1 | 29.7 GWh | Dec 2024 | - | ||
| Southern Illinois Power Coop | Marion, IL | Cooperative | 1 | 840.7 GWh | Mar 2026 | Oct 2025 | $3.69M | |
| MT. Carmel Cogen, Inc. | Marion Heights, PA | - | - | - | Oct 2025 | $440.85k | ||
| Monterey Regional Waste MGMT | Marina, CA | Municipally-Owned Utility | 1 | 26.0 GWh | Dec 2024 | - | ||
| COBB Electric Membership Corporation | Marietta, GA | Cooperative | 1 | 2.4 GWh | Dec 2024 | Sep 2025 | $6.08M | $18.36M |
| Marengo Battery Storage LLC | Marengo TWP, IL | Commercial | 1 | -26.0 MWh | Mar 2025 | Sep 2025 | $2.48 | |
| Doccs Midstate | Marcy, NY | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | - | ||
| Marcus Hook Energy LP | Marcus Hook, PA | Independent Power Producer | 1 | 6.2 TWh | Mar 2026 | Oct 2025 | $54.07M | |
| Great River Energy | Maple Grove, MN | Cooperative | 10 | 463.9 GWh | Mar 2026 | Oct 2025 | $58.86M | $29.84M |
| City Of Manti - (Ut) | Manti, UT | Municipally-Owned Utility | 2 | 1.3 GWh | Dec 2024 | - | ||
| South San Joaquin IRR District | Manteca, CA | Political Subdivision | 1 | 2.2 GWh | Dec 2024 | - | ||
| Manitowoc Public Utilities | Manitowoc, WI | Municipally-Owned Utility | 2 | 140.9 GWh | Mar 2026 | Apr 2024 | ||
| City Of Manassas - (Va) | Manassas, VA | Municipally-Owned Utility | 8 | 2.5 GWh | Dec 2024 | - | ||
| CD4 | Mammoth Lakes, CA | Independent Power Producer | 1 | 303.0 GWh | Dec 2024 | - | ||
| SS Pa II PSU LLC | Malvern, PA | Industrial | 1 | 2.3 GWh | Dec 2024 | - | ||
| Longview Power, LLC | Maidsville, WV | Independent Power Producer | 1 | 5.0 TWh | Mar 2026 | Sep 2025 | $49.06M | |
| Deschutes Valley Water District | Madras, OR | Municipally-Owned Utility | 1 | 31.4 GWh | Dec 2024 | - | ||
| Wisconsin Power & Light Co | Madison, WI | Investor-Owned Utility | 38 | 21.1 TWh | Mar 2026 | Oct 2025 | $167.64M | $10.83M |
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 17 | 857.7 GWh | Mar 2026 | Oct 2025 | $31.93M | $919.38k |
| Sealed Air Corporation | Madera, CA | Industrial | 1 | 6.3 GWh | Dec 2024 | - | ||
| Seaboard Energy California, LLC | Madera, CA | Industrial | 1 | 1.7 GWh | Dec 2024 | - | ||
| Twin Rivers Paper Co LLC | Madawaska, ME | Independent Power Producer | 1 | 110.6 GWh | Mar 2026 | - | ||
| City Of Macon - (Mo) | Macon, MO | Municipally-Owned Utility | 4 | 87.9 GWh | Dec 2024 | - | ||
| Riverwood Intl USA Inc | Macon, GA | Industrial | 1 | 412.1 GWh | Dec 2024 | - | ||
| Kansas Ethanol, LLC | Lyons, KS | Industrial | 1 | 124.3 GWh | Dec 2024 | - | ||
| The Town Of Lyndon Electric Department | Lyndonville, VT | Municipally-Owned Utility | 2 | 3.3 GWh | Dec 2024 | - | ||
| Record Hill Wind LLC | LYME, NH | Independent Power Producer | 1 | 124.3 GWh | Dec 2024 | Sep 2025 | $1.08M | |
| Nine Mile Point Nuclear STA LLC | Lycoming, NY | Independent Power Producer | - | - | Dec 2014 | Oct 2025 | $144.30M | |
| Community Renewables, LLC | Luverne, MN | Independent Power Producer | 1 | 496.0 MWh | Dec 2024 | - | ||
| Calvert Cliffs Nuclear PP LLC | Lusby, MD | Independent Power Producer | - | - | Dec 2014 | Oct 2025 | $195.24M | |
| ORNI 37 LLC | Luring, NV | Independent Power Producer | 1 | 103.8 GWh | Dec 2024 | Sep 2025 | $1.67M | |
| ORNI 47, LLC | Luning, NV | Independent Power Producer | 1 | 122.3 GWh | Dec 2024 | Sep 2025 | $2.32M | |
| Massachusetts Mun Wholes Electric Co | Ludlow, MA | Political Subdivision | 6 | 85.4 GWh | Mar 2026 | - | ||
| Michigan Power Limited Partnership | Ludington, MI | Independent Power Producer | 1 | 1.2 TWh | Dec 2024 | - | ||
| Troy Energy LLC | Luckey, OH | Independent Power Producer | 1 | 1.0 TWh | Dec 2024 | Sep 2025 | $20.93M | |
| Louisville Gas & Electric Co | Louisville, KY | Investor-Owned Utility | 8 | 22.6 TWh | Mar 2026 | Oct 2025 | $15.62M | $18.44M |
| Lock 7 Hydro Partners LLC | Louisville, KY | Independent Power Producer | 1 | 6.7 GWh | Dec 2024 | - | ||
| Lock 12 Hydro Partners, LLC | Louisville, KY | Independent Power Producer | 1 | 8.4 GWh | Dec 2024 | - | ||
| Holcim (US) Inc. | Louisville, KY | - | - | - | Oct 2025 | $769.42k | ||
| Westtown Ny 2, LLC | Louisville, CO | Independent Power Producer | 1 | 3.3 GWh | Dec 2024 | - | ||
| Western Antelope Dry Ranch LLC | Louisville, CO | - | - | - | Sep 2025 | $487.31k | ||
| Western Antelope Blue Sky Ranch B LLC | Louisville, CO | - | - | - | Sep 2025 | $1.29M | ||
| Western Antelope Blue Sky Ranch A LLC | Louisville, CO | - | - | - | Sep 2025 | $1.26M | ||
| Westerlo Ny 1, LLC | Louisville, CO | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Walden Ny 1, LLC | Louisville, CO | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Valcour Wind Energy, LLC | Louisville, CO | - | - | - | Sep 2025 | $316.96k | ||
| Valcour Wethersfield Windpark, LLC | Louisville, CO | - | - | - | Oct 2025 | $2.19M | ||
| Valcour Ellenburg Windpark, LLC | Louisville, CO | - | - | - | Oct 2025 | $1.10M | ||
| Valcour Clinton Windpark, LLC | Louisville, CO | - | - | - | Oct 2025 | $1.18M | ||
| Valcour Chateaugay Windpark, LLC | Louisville, CO | - | - | - | Oct 2025 | $1.32M | ||
| Valcour Bliss Windpark, LLC | Louisville, CO | - | - | - | Oct 2025 | $1.71M | ||
| Valcour Altona Windpark, LLC | Louisville, CO | - | - | - | Oct 2025 | $1.32M | ||
| Tunica Windpower LLC | Louisville, CO | - | - | - | Sep 2025 | $2.08M | ||
| Summer Solar LLC | Louisville, CO | - | - | - | Sep 2025 | $1.22M | ||
| Solverde 1, LLC | Louisville, CO | - | - | - | Sep 2025 | $3.92M | ||
| Sol Madison Solar, LLC | Louisville, CO | - | - | - | Oct 2025 | $2.09M | ||
| Silver Peak Energy, LLC | Louisville, CO | - | - | - | Sep 2025 | $1.26M | ||
| Sierra Solar Greenworks LLC | Louisville, CO | - | - | - | Sep 2025 | $1.26M | ||
| Sandstone Solar LLC | Louisville, CO | - | - | - | Sep 2025 | $2.02M | ||
| Raceway Solar 1, LLC | Louisville, CO | - | - | - | Sep 2025 | $3.61M | ||
| Platteview Solar, LLC | Louisville, CO | - | - | - | Sep 2025 | $1.22M | ||
| Pioneer Wind Park I, LLC | Louisville, CO | - | - | - | Sep 2025 | $1.88M | ||
| Oak Ridge Solar, LLC | Louisville, CO | - | - | - | Sep 2025 | $4.75M | ||
| North Lancaster Ranch LLC | Louisville, CO | - | - | - | Sep 2025 | $1.30M | ||
| Mountain VIew Power Partners, LLC | Louisville, CO | - | - | - | Sep 2025 | $4.33M | ||
| Mountain VIew Power Partners IV, LLC | Louisville, CO | - | - | - | Sep 2025 | $7.23M | ||
| Middletown Ny 1, LLC | Louisville, CO | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| Medusa Ny 1, LLC | Louisville, CO | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| McFarland Storage C, LLC | Louisville, CO | - | - | - | Sep 2025 | $2.29M | ||
| McFarland Solar B, LLC | Louisville, CO | - | - | - | Sep 2025 | $3.76M | ||
| McFarland Solar A, LLC | Louisville, CO | - | - | - | Sep 2025 | $2.62M | $1.26M | |
| Latigo Wind Park, LLC | Louisville, CO | - | - | - | Sep 2025 | $2.06M | ||
| Highlander Solar Energy Station 1, LLC | Louisville, CO | - | - | - | Sep 2025 | $3.45M | ||
| Great Cove Solar LLC | Louisville, CO | - | - | - | Oct 2025 | $1.66M | ||
| Great Cove Solar II LLC | Louisville, CO | - | - | - | Oct 2025 | $3.34M | $38.52k | |
| FTS Master Tenant 2, LLC | Louisville, CO | - | - | - | Sep 2025 | $1.77M | ||
| FTS Master Tenant 1, LLC | Louisville, CO | - | - | - | Sep 2025 | $1.41M | ||
| Estrella Solar, LLC | Louisville, CO | - | - | - | Sep 2025 | $1.62M | ||
| Elevation Solar C LLC | Louisville, CO | - | - | - | Sep 2025 | $2.35M | ||
| Eden Solar LLC | Louisville, CO | - | - | - | Sep 2025 | $1.81M | ||
| Chevelon Butte Re LLC | Louisville, CO | - | - | - | Sep 2025 | $5.61M | ||
| Chevelon Butte Re II LLC | Louisville, CO | - | - | - | Sep 2025 | $5.40M | ||
| Central Line Solar, LLC | Louisville, CO | - | - | - | Sep 2025 | $2.18M | ||
| Central Antelope Dry Ranch C LLC | Louisville, CO | - | - | - | Sep 2025 | $1.33M | ||
| Cavalier Solar A2, LLC | Louisville, CO | - | - | - | Sep 2025 | $3.74M | ||
| Cavalier Solar A, LLC | Louisville, CO | - | - | - | Sep 2025 | $6.54M | ||
| Beacon Solar 4, LLC | Louisville, CO | - | - | - | Sep 2025 | $1.98M | ||
| Beacon Solar 3, LLC | Louisville, CO | - | - | - | Sep 2025 | $2.07M | ||
| Beacon Solar 1, LLC | Louisville, CO | - | - | - | Sep 2025 | $2.23M | ||
| Bayshore Solar C, LLC | Louisville, CO | - | - | - | Sep 2025 | $759.44k |
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 |