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 |
|---|---|---|---|---|---|---|---|---|
| MSM Solar LLC | Midlothian, VA | Independent Power Producer | 1 | 3.2 GWh | Dec 2024 | - | ||
| MSS Energy Holdings, LLC (D.B.A. Calibrant Energy) | Tampa, FL | Commercial | 2 | 969.0 MWh | Dec 2024 | - | ||
| MT. Carmel Cogen, Inc. | Marion Heights, PA | - | - | - | Oct 2025 | $440.85k | ||
| MT. Tom Solar, LLC | Houston, TX | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| MT Wachusett Community College | Gardner, MA | State-Owned Utility | 1 | 4.7 GWh | Feb 2026 | - | ||
| Mtsun LLC | Houston, TX | Independent Power Producer | - | - | - | Sep 2025 | $2.29M | |
| Mud Garden LLC | Gaylord, MN | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Mulberry Bess LLC | Delray Beach, FL | - | - | - | Sep 2025 | $1.91M | ||
| Mulberry Farm, LLC | New York, NY | - | - | - | Sep 2025 | $608.17k | ||
| Mule Farm Solar, LLC | El Segundo, CA | Independent Power Producer | 1 | 3.8 GWh | Dec 2024 | - | ||
| Mulligan Solar | Charlottesville, VA | Independent Power Producer | 1 | 164.9 GWh | Feb 2026 | Sep 2025 | $1.19M | |
| Munich Reinsurance America, Inc | Plainsboro, NJ | Commercial | 1 | 2.4 GWh | Dec 2024 | - | ||
| Municipal Electric Authority | Atlanta, GA | Municipally-Owned Utility | 5 | 2.4 TWh | Feb 2026 | Oct 2025 | $103.63M | $21.21M |
| Munnsville Wind Farm, LLC | Austin, TX | - | - | - | Oct 2025 | $3.36M | ||
| Murphy Flat Power, LLC | Boston, MA | Independent Power Producer | 1 | 42.5 GWh | Feb 2026 | - | ||
| Muscle Shoals Solar, LLC | Austin, TX | Independent Power Producer | 1 | 449.1 GWh | Feb 2026 | Sep 2025 | $3.46M | |
| Musselshell Wind Project LLC | Independent Power Producer|Investor-Owned Utility | 2 | 54.0 GWh | Dec 2024 | - | |||
| Mustang Hills, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 312.4 GWh | Dec 2024 | Jun 2025 | $11.94M | |
| MWRA Charlestown | Boston, MA | State-Owned Utility | 1 | 1.3 GWh | Dec 2024 | - | ||
| Na PUA Makani Power Partners LLC | Kahuku, HI | Independent Power Producer | 1 | 103.1 GWh | Feb 2026 | - | ||
| Nabholz Solar FPS Ozarks, LLC | Baltimore, MD | Independent Power Producer | 2 | 10.8 GWh | Dec 2024 | - | ||
| Naknek Electric Assn, Inc | Naknek, AK | Cooperative | 1 | 24.0 GWh | Dec 2024 | - | ||
| Nalco Co | Naperville, IL | Independent Power Producer | 1 | 21.6 GWh | Dec 2024 | - | ||
| Nalcor Energy Marketing Corporation | St. John's, NL | - | - | - | Sep 2025 | $12.73M | ||
| Naples Casco Solar 1, LLC | Jersey City, NJ | Independent Power Producer | 1 | 2.8 GWh | Dec 2024 | - | ||
| Narragansett Bay Commission | Providence, RI | Political Subdivision | 1 | 7.7 GWh | Feb 2026 | - | ||
| NASH 97 Solar 2, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 9.0 GWh | Dec 2024 | - | ||
| Nashville Electric Service | Nashville, TN | Municipally-Owned Utility | 1 | 2.6 GWh | Dec 2024 | - | ||
| Natick Mall | Natick, MA | Commercial | 1 | 3.7 GWh | Dec 2024 | - | ||
| National Centers For Animal Health | AMES, IA | Federally-Owned Utility | 1 | 989.1 MWh | Feb 2026 | - | ||
| National Gas & Electric, LLC | Birmingham, AL | - | - | - | Oct 2025 | $151.79k | ||
| National Grid Generation LLC | Hicksville, NY | Investor-Owned Utility | 14 | 5.6 TWh | Feb 2026 | Sep 2025 | $99.31M | |
| National Grid-Glenwood Energy Center, LLC | Port Jefferson, NY | - | - | - | Sep 2025 | $2.42M | ||
| National Grid-Port Jefferson Energy Center, LLC | Port Jefferson, NY | - | - | - | Sep 2025 | $2.70M | ||
| National Grid Renewables | Bloomington, MN | Independent Power Producer | 53 | 852.6 GWh | Feb 2026 | May 2025 | $672.00k | |
| National Institutes Of Health | Bethesda, MD | Federally-Owned Utility | 1 | 158.5 GWh | Feb 2026 | - | ||
| National Raisin | Fowler, CA | Industrial | 1 | 5.0 GWh | Dec 2024 | - | ||
| National Salvage & Service Corporation | Bloomington, IN | Independent Power Producer | 2 | 203.1 GWh | Dec 2024 | - | ||
| Nationwide Solar Energy LLC | AVON, CT | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | - | ||
| Naturener Glacier Wind Energy 1 LLC | Palm Beach Gardens, FL | Independent Power Producer | 1 | 225.2 GWh | Feb 2026 | Dec 2023 | ||
| Naturener Glacier Wind Energy 2 LLC | Palm Beach Gardens, FL | Independent Power Producer | 1 | 245.2 GWh | Feb 2026 | Oct 2024 | ||
| Naturener Rim Rock Energy LLC | Palm Beach Gardens, FL | Independent Power Producer | 1 | 592.2 GWh | Feb 2026 | - | ||
| Nautilus Power, LLC | Charlotte, NC | - | - | - | Oct 2025 | $37.42M | $37.42M | |
| Nautilus Solar Solutions | Summit, NJ | Independent Power Producer | 126 | 446.7 GWh | Feb 2026 | - | ||
| Nautilus Solar WPU LLC | Summit, NJ | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Navisun LLC | Hingham, MA | Independent Power Producer | 26 | 110.7 GWh | Dec 2024 | - | ||
| NC 102 Project LLC | Walnut Creek, CA | Independent Power Producer | 1 | 146.3 GWh | Feb 2026 | Sep 2025 | $2.30M | |
| NC State University, Energy Systems | Raleigh, NC | State-Owned Utility | 2 | 114.6 GWh | Dec 2024 | - | ||
| ND Paper, Inc. | Oakbrook Terrace, IL | Independent Power Producer | 4 | 563.0 GWh | Feb 2026 | - | ||
| Ne Renewable Fitchburg, LLC | New York City, NY | Investor-Owned Utility | 1 | 65.1 GWh | Dec 2024 | - | ||
| Ne Renewable Power, LLC | New York, NY | - | - | - | Sep 2025 | $2.11M | ||
| Ne Renewable Springfield, LLC | New York City, NY | Independent Power Producer | 1 | 39.1 GWh | Dec 2024 | - | ||
| Ne Renewable Whitefield, LLC | New York City, NY | Independent Power Producer | 1 | 59.6 GWh | Dec 2024 | - | ||
| Nebraska Public Power District | Columbus, NE | Political Subdivision | 14 | 15.3 TWh | Feb 2026 | Oct 2025 | $95.54M | $91.26M |
| Nedpower Mount Storm LLC | Houston, TX | - | - | - | Jul 2025 | $3.67M | ||
| Neighborhood Power Corp. | Kahului, HI | Independent Power Producer | 7 | 26.1 GWh | Dec 2024 | - | ||
| Neisler Street Solar I, LLC | New York, NY | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Nelson Creek Power Inc | Redding, CA | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Nelson Gardens Energy, LLC | Liverpool, NY | Independent Power Producer | 1 | 7.4 GWh | Dec 2024 | - | ||
| Neosho Ridge Wind, LLC | Joplin, MO | - | - | - | Oct 2025 | $4.55M | ||
| NEPM II, LLC | Juno Beach, FL | - | - | - | Oct 2025 | $16.68M | ||
| Neptune Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 717.9 GWh | Feb 2026 | Sep 2025 | $6.51M | |
| Neptune Regional Transmission System, LLC | Fairfield, CT | - | - | - | Sep 2025 | $23.40M | ||
| NES Rutgers LLC | Millstone Township, NJ | Commercial | 1 | 1.1 GWh | Dec 2024 | - | ||
| Nestlewood Solar | Charlotte, NC | Independent Power Producer | 1 | 166.2 GWh | Feb 2026 | - | ||
| Nestlewood Solar I LLC | Charlotte, NC | - | - | - | Sep 2025 | $2.32M | ||
| Nevada Cogeneration Assoc # 1 | Las Vegas, NV | Independent Power Producer | 1 | 298.9 GWh | Jan 2026 | - | ||
| Nevada Cogeneration Assoc # 2 | Las Vegas, NV | Independent Power Producer | 1 | 279.9 GWh | Jan 2026 | - | ||
| Nevada Cogeneration Associates #1 | Las Vegas, NV | - | - | - | Oct 2025 | $3.46M | $1.33M | |
| Nevada Cogeneration Associates #2 | Incline VIllage, NV | - | - | - | Oct 2025 | $9.43M | ||
| Nevada Gold Energy, LLC | Battle Mountain, NV | Independent Power Producer | 1 | 1.8 TWh | Feb 2026 | Jul 2025 | $2.46M | |
| Nevada Gold Mines | McCarran, NV | Industrial | 1 | 406.0 GWh | Feb 2026 | - | ||
| Nevada Irrigation District | Colfax, CA | Political Subdivision | 9 | 165.3 GWh | Dec 2024 | - | ||
| Nevada Power Co | Las Vegas, NV | Investor-Owned Utility | 16 | 17.4 TWh | Feb 2026 | Oct 2025 | $15.32M | $154.44M |
| Nevada Solar One, LLC | Chicago, IL | - | - | - | Sep 2025 | $7.35M | ||
| New Athens Generating Company LLC | Darien, CT | Independent Power Producer | 1 | 3.0 TWh | Feb 2026 | Oct 2025 | $65.83M | |
| New Britain Renewable Energy, LLC | Danbury, CT | Independent Power Producer | 1 | 12.1 GWh | Dec 2024 | - | ||
| New Brunswick Energy Marketing Corporation | Fredericton, NB | - | - | - | Oct 2025 | $13.38M | $841.33k | |
| New Castle Power, LLC | Chicago, IL | Independent Power Producer | 1 | 736.8 GWh | Dec 2024 | Oct 2025 | $11.28M | |
| New Columbia Solar | Washington, DC | Independent Power Producer | 3 | 2.8 GWh | Dec 2024 | - | ||
| New Creek Wind, LLC | New Creek, WV | Independent Power Producer | 1 | 310.1 GWh | Feb 2026 | Oct 2025 | $3.17M | |
| New England Power Company | Birmingham, AL | - | - | - | Sep 2025 | $703.75k | $30.64M | |
| New England Wind, LLC | Portland, OR | - | - | - | Sep 2025 | $932.61k | ||
| New Germany Solar I LLC | Denver, CO | Independent Power Producer | 1 | 1.7 GWh | Dec 2024 | - | ||
| New Hampshire Hydro Associates | Boston, MA | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| New Harquahala Generating Co, LLC | Plano, TX | Independent Power Producer | 1 | 2.7 TWh | Feb 2026 | Oct 2025 | $32.75M | |
| New Harvest Wind Project LLC | Portland, OR | - | - | - | Sep 2025 | $347.64k | ||
| New Hope Power Company | South Bay, FL | Industrial | 1 | 58.6 GWh | Feb 2026 | - | ||
| New Hope Power Partnership | Southbay, FL | - | - | - | Sep 2025 | $277.57k | ||
| New-INDY Ontario LLC | Ontario, CA | Commercial | 1 | 264.0 GWh | Feb 2026 | Oct 2025 | $413.72k | |
| New-INDY, Oxnard LLC | Port Hueneme, CA | Industrial | 1 | 146.9 GWh | Feb 2026 | Oct 2025 | $350.88k | |
| New London Municipal Utilities | New London, IA | Municipally-Owned Utility | 2 | 4.5 GWh | Dec 2024 | - | ||
| New Madrid Solar, LLC | 1 | 87.5 GWh | Feb 2026 | - | ||||
| New Market Solar | Oakville, ON | Independent Power Producer | 1 | 81.9 GWh | Feb 2026 | - | ||
| New Market Solar Projectco 1, LLC | Oakville, ON | - | - | - | Sep 2025 | $791.00k | ||
| New Market Solar Projectco 2, LLC | Oakville, ON | - | - | - | Sep 2025 | $2.56M | ||
| New Martinsville Hannibal Hydro | New Martinville, WV | Independent Power Producer | 1 | 138.3 GWh | Dec 2024 | - | ||
| New Mexico Renewable Development LLC | Albuquerque, NM | Investor-Owned Utility | - | 14.1 GWh | Dec 2023 | - | ||
| New Mexico State University | Las Cruces, NM | State-Owned Utility | 1 | 34.6 GWh | Feb 2026 | - | ||
| New Mexico Wind, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $3.35M |
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 | Feb 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Feb 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Feb 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Feb 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Feb 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Feb 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Feb 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Feb 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Feb 2026 | Nuclear |
| Catawba | York, South Carolina | 20 TWh | May 1985 | Feb 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Feb 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Feb 2026 | Natural Gas : 71.2% Bituminous Coal : 28.6% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Feb 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 17 TWh | Jul 1975 | Feb 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Feb 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Feb 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Feb 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Feb 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Feb 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Feb 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Feb 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Feb 2026 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Feb 2026 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Feb 2026 | Subbituminous Coal |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Feb 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Feb 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Feb 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Feb 2026 | Subbituminous Coal : 74.7% Bituminous Coal : 16.2% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Feb 2026 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Feb 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Feb 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Feb 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Feb 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Feb 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Feb 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Feb 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Feb 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Feb 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Feb 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Feb 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Feb 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Feb 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Feb 2026 | Nuclear : 67.9% Natural Gas : 32.1% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Feb 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Feb 2026 | Subbituminous Coal : 83.0% Natural Gas : 17.0% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Feb 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Feb 2026 | Natural Gas : 99.9% |