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 |
|---|---|---|---|---|---|---|---|---|
| Wisconsin Power & Light Co | Madison, WI | Investor-Owned Utility | 38 | 21.1 TWh | Oct 2025 | Oct 2025 | $167.64M | $10.83M |
| Deschutes Valley Water District | Madras, OR | Municipally-Owned Utility | 1 | 31.4 GWh | Dec 2024 | - | ||
| Longview Power, LLC | Maidsville, WV | Independent Power Producer | 1 | 4.8 TWh | Oct 2025 | Sep 2025 | $49.06M | |
| SS Pa II PSU LLC | Malvern, PA | Industrial | 1 | 2.3 GWh | Dec 2024 | - | ||
| CD4 | Mammoth Lakes, CA | Independent Power Producer | 1 | 303.0 GWh | Dec 2024 | - | ||
| City Of Manassas - (Va) | Manassas, VA | Municipally-Owned Utility | 8 | 2.5 GWh | Dec 2024 | - | ||
| Two Dot Wind Broadview East LLC | Manhattan, MT | Independent Power Producer | 1 | 4.7 GWh | Dec 2023 | - | ||
| Manitowoc Public Utilities | Manitowoc, WI | Municipally-Owned Utility | 2 | 140.9 GWh | Oct 2025 | Apr 2024 | ||
| Broshco Fabricated Products | Mansfield, OH | Industrial | 1 | 246.0 MWh | Aug 2025 | - | ||
| South San Joaquin IRR District | Manteca, CA | Political Subdivision | 1 | 2.2 GWh | Dec 2024 | - | ||
| City Of Manti - (Ut) | Manti, UT | Municipally-Owned Utility | 2 | 1.3 GWh | Dec 2024 | - | ||
| Great River Energy | Maple Grove, MN | Cooperative | 10 | 463.9 GWh | Oct 2025 | Oct 2025 | $58.86M | $29.84M |
| Marcus Hook Energy LP | Marcus Hook, PA | Independent Power Producer | 1 | 6.1 TWh | Oct 2025 | Oct 2025 | $54.07M | |
| Doccs Midstate | Marcy, NY | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | - | ||
| Marengo Battery Storage LLC | Marengo TWP, IL | Commercial | 1 | -359.0 MWh | Mar 2025 | Sep 2025 | $2.48 | |
| COBB Electric Membership Corporation | Marietta, GA | Cooperative | 1 | 2.4 GWh | Dec 2024 | Sep 2025 | $6.08M | $18.36M |
| Monterey Regional Waste MGMT | Marina, CA | Municipally-Owned Utility | 1 | 26.0 GWh | Dec 2024 | - | ||
| MT. Carmel Cogen, Inc. | Marion Heights, PA | - | - | - | Oct 2025 | $440.85k | ||
| Southern Illinois Power Coop | Marion, IL | Cooperative | 1 | 784.9 GWh | Oct 2025 | Oct 2025 | $3.69M | |
| Poet Biorefining - Marion, LLC | Marion, OH | Industrial | 1 | 29.7 GWh | Dec 2024 | - | ||
| Prairie State Generating Co LLC | Marissa, IL | Municipally-Owned Utility | 1 | 11.7 TWh | Oct 2025 | - | ||
| Bear Swamp Power Company LLC | Marlborough, MA | Independent Power Producer | 2 | -173.8 GWh | Oct 2025 | Sep 2025 | $14.42M | |
| Cross-Sound Cable Company, LLC | Marlborough, MA | - | - | - | Sep 2025 | $6.39M | ||
| Malacha Hydro Ltd Partnership | Marlborough, MA | Independent Power Producer | - | - | Dec 2018 | Sep 2025 | $2.24M | |
| City Of Marquette - (Mi) | Marquette, MI | Municipally-Owned Utility | 5 | 190.8 GWh | 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 Marshall - (Mi) | Marshall, MI | Municipally-Owned Utility | 1 | 751.3 MWh | Dec 2024 | - | ||
| City Of Marshall - (Mo) | Marshall, MO | Municipally-Owned Utility | 1 | 579.5 MWh | Dec 2024 | - | ||
| Snider Industries Inc | Marshall, TX | Industrial | 1 | 13.5 GWh | Dec 2024 | - | ||
| City Of Marshfield - (Wi) | Marshfield, WI | Municipally-Owned Utility | 1 | 4.0 GWh | Dec 2024 | Sep 2025 | $5.32M | |
| Central Contra Costa Sanitary District | Martinez, CA | Municipally-Owned Utility | 1 | 18.7 GWh | Oct 2025 | - | ||
| Martinez Refining Co | Martinez, CA | Industrial | 1 | 825.7 GWh | Oct 2025 | Sep 2025 | $1.83M | |
| City Of Martinsville - (Va) | Martinsville, VA | Municipally-Owned Utility | 2 | 232.0 MWh | Oct 2025 | Sep 2025 | $896.37k | |
| Foxwoods Resort Casino | Mashantucket, CT | Commercial | 1 | 11.7 GWh | Dec 2024 | - | ||
| Fayette Power Company, LLC | Masontown, PA | Independent Power Producer | 1 | 5.0 TWh | Oct 2025 | Oct 2025 | $40.85M | |
| Power City Partners LP | Massena, NY | Independent Power Producer | 1 | 923.0 MWh | Nov 2024 | Sep 2025 | $1.14M | |
| The Andersons Albion Ethanol LLC | Maumee, OH | Industrial | 1 | 69.4 GWh | Dec 2024 | - | ||
| Republic Services Renewable Energy, LLC | Mays Landing, NJ | Independent Power Producer | 1 | 29.0 GWh | Dec 2024 | - | ||
| Loyola University Health System | Maywood, IL | Commercial | 1 | 15.0 GWh | Dec 2024 | - | ||
| Nevada Gold Mines | McCarran, NV | Industrial | 1 | 442.1 GWh | Oct 2025 | - | ||
| McGrath Light & Power Co | McGrath, AK | Investor-Owned Utility | 1 | 2.1 GWh | Dec 2024 | - | ||
| VECO Power Trading, LLC | McLean, VA | - | - | - | Sep 2025 | $4.84M | ||
| City Of McPherson - (KS) | McPherson, KS | Municipally-Owned Utility | 2 | 29.7 GWh | Dec 2024 | Feb 2020 | ||
| Mechanicville Hydroelectric Station | Mechanicville, NY | Independent Power Producer | 1 | 24.4 GWh | Dec 2024 | - | ||
| Oregon Environmental Industries LLC | Medford, OR | Independent Power Producer | 1 | 20.3 GWh | Dec 2024 | - | ||
| Hawkeye Energy Greenport LLC | Melville, NY | Independent Power Producer | 1 | 24.9 GWh | Dec 2024 | Mar 2021 | ||
| Amethyst Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Audrey Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| CCC Solar Holdings LLC | Menlo Park, CA | Independent Power Producer | 2 | 6.2 GWh | Dec 2024 | - | ||
| MILO Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| Minnie Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 5.6 GWh | Dec 2024 | - | ||
| OWEN Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 8.5 GWh | Dec 2024 | - | ||
| Panoche Valley Solar LLC | Menlo Park, CA | Independent Power Producer | - | - | - | Oct 2025 | $5.62M | |
| Sophie Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 8.0 GWh | Dec 2024 | - | ||
| Star Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 9.4 GWh | Dec 2024 | - | ||
| Merced Irrigation District | Merced, CA | Political Subdivision | 6 | 318.2 GWh | Dec 2024 | Oct 2025 | $1.24M | |
| Meadow Lake Solar Park | Merrillville, IN | Investor-Owned Utility | 1 | 405.5 GWh | Oct 2025 | Sep 2025 | $3.80M | |
| Northern Indiana Pub SERV Co | Merrillville, IN | Investor-Owned Utility | 7 | 7.2 TWh | Oct 2025 | May 2023 | ||
| Northern Indiana Public Service Company LLC | Merrillville, IN | - | - | - | Oct 2025 | $118.37M | $29.94M | |
| Aegean Drive Solar LLC | Methuen, MA | Independent Power Producer | 1 | 2.6 GWh | Dec 2024 | - | ||
| Metlakatla Power & Light | Metlakatla, AK | Municipally-Owned Utility | 3 | 19.7 GWh | Dec 2024 | - | ||
| Termoelectrica U.S., LLC | Mexicali, BC | - | - | - | Oct 2025 | $28.40M | ||
| Solar Of Alamosa LLC | Miami Beach, FL | Independent Power Producer | 1 | 37.2 GWh | Dec 2023 | Sep 2025 | $740.57k | |
| Az Solar 1, LLC | Miami, FL | Independent Power Producer | - | - | Dec 2022 | Sep 2025 | $671.44k | |
| FL Solar 1, LLC | Miami, FL | Independent Power Producer | - | - | Dec 2022 | Sep 2025 | $463.50k | |
| FL Solar 4, LLC | Miami, FL | Independent Power Producer | - | - | Dec 2022 | Sep 2025 | $762.02k | |
| FL Solar 5, LLC | Miami, FL | Independent Power Producer | 1 | 98.9 GWh | Oct 2025 | Oct 2025 | $1.10M | |
| Florida Power & Light Co | Miami, FL | Investor-Owned Utility | 159 | 155.8 TWh | Oct 2025 | Sep 2025 | $189.77M | $26.45M |
| Ga Solar 3, LLC | Miami, FL | Independent Power Producer | - | - | Dec 2022 | Sep 2025 | $1.18M | |
| Miami DADE Water & Sewer Dept | Miami, FL | Municipally-Owned Utility | 2 | 22.3 GWh | Oct 2025 | - | ||
| MS Solar 3, LLC | Miami, FL | Independent Power Producer | - | - | Dec 2022 | Sep 2025 | $1.62M | |
| Oe_ald | Miami, FL | Independent Power Producer | - | 163.0 GWh | Dec 2023 | - | ||
| Oe_tn1 | Miami, FL | Independent Power Producer | 1 | 178.0 GWh | Oct 2025 | - | ||
| Origis Energy USA, Inc | Miami, FL | Independent Power Producer | 21 | 631.1 GWh | Oct 2025 | - | ||
| Pleasant Valley Solar, LLC | Miami, FL | Independent Power Producer | 1 | 423.9 GWh | Oct 2025 | Sep 2025 | $7.25M | |
| Phoenix Contact Services, Inc | Middeltown, PA | Commercial | 1 | 5.0 GWh | Dec 2024 | - | ||
| GWE Cranberry Solar RT, LLC | Middleborough, MA | Independent Power Producer | 1 | 1.5 GWh | Dec 2024 | - | ||
| Middlebury College Biomass | Middlebury, VT | Commercial | 1 | 2.0 GWh | Oct 2025 | - | ||
| Geysers Power Co LLC | Middletown, CA | Independent Power Producer | 6 | 5.8 TWh | Oct 2025 | Oct 2025 | $101.01M | $2.91M |
| Kleen Energy Systems, LLC | Middletown, CT | Independent Power Producer | 1 | 3.4 TWh | Oct 2025 | Oct 2025 | $62.13M | |
| Middletown Power LLC | Middletown, CT | Independent Power Producer | 1 | 31.7 GWh | Dec 2024 | Sep 2025 | $3.06M | |
| Wesleyan University | Middletown, CT | Commercial | 1 | 8.2 GWh | Dec 2024 | - | ||
| Ohio Power Partners, LLC | Middletown, OH | Independent Power Producer | 1 | 3.5 TWh | Oct 2025 | Oct 2025 | $23.60M | |
| Midland Cogeneration Venture | Midland, MI | Independent Power Producer | 1 | 10.5 TWh | Oct 2025 | Oct 2025 | $202.10M | $504.75k |
| Union Carbide Corp-Seadrift | Midland, MI | Industrial | 2 | 770.6 GWh | Oct 2025 | Oct 2025 | $3.22M | |
| Kinder Morgan Production Company LP | Midland, TX | Industrial | 1 | 775.3 GWh | Dec 2024 | - | ||
| WTG Jameson, L.P. | Midland, TX | Industrial | 1 | 14.0 GWh | Dec 2023 | - | ||
| MSM Solar LLC | Midlothian, VA | Independent Power Producer | 1 | 3.2 GWh | Dec 2024 | - | ||
| Connecticut Jet Power LLC | Milford, CT | Independent Power Producer | 4 | 1.2 GWh | Dec 2024 | Sep 2025 | $2.29M | |
| Milford Power LLC | Milford, CT | Independent Power Producer | 2 | 4.2 TWh | Oct 2025 | Sep 2025 | $48.82M | |
| City Of Milford - (Ia) | Milford, IA | Municipally-Owned Utility | 1 | 346.6 MWh | Dec 2024 | - | ||
| Black Bear Hydro Partners LLC | Milford, ME | 2 | - | Jul 2013 | Sep 2025 | $3.14M | $161.52k | |
| Topsham Hydro Partners | Milford, ME | Independent Power Producer | 1 | 55.1 GWh | Dec 2024 | - | ||
| Cu Solar LLC | Milford, OH | Independent Power Producer | 1 | 2.2 GWh | Dec 2024 | - | ||
| Millbury Ma #1092 LLC | Millbury, MA | Independent Power Producer | 1 | 1.7 GWh | Dec 2024 | - | ||
| Brookfield Black Bear Hydro, LLC | Millinocket, ME | Independent Power Producer | 8 | 227.6 GWh | Dec 2024 | - | ||
| Brookfield Power New England | Millinocket, ME | |Independent Power Producer | 1 | 284.5 GWh | Dec 2024 | - | ||
| Errol Hydroelectric Co LLC | Millinocket, ME | Independent Power Producer | 1 | 16.7 GWh | Dec 2024 | - | ||
| Granite Reliable Power | Millinocket, ME | Independent Power Producer | - | - | Dec 2020 | Sep 2025 | $5.21M | |
| Great Lakes Hydro America LLC | Millinocket, ME | Independent Power Producer | 2 | 786.6 GWh | Dec 2024 | Sep 2025 | $9.59M |
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% |