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 |
|---|---|---|---|---|---|---|---|---|
| Helvetia Solar, LLC | Hillsboro, OR | - | - | - | Sep 2025 | $37.67k | ||
| Reading Wind Energy, LLC | Austin, TX | Commercial | - | - | - | Sep 2025 | $1.71M | |
| Shelby County Energy Center, LLC | Neoga, IL | Independent Power Producer | 1 | 200.5 GWh | Dec 2024 | Sep 2025 | $3.88M | |
| Elektron Power LLC | Sunderland, MD | - | - | - | Sep 2025 | $6.42k | ||
| Zglobal Inc | Folsom, CA | Independent Power Producer | 11 | 22.4 GWh | Dec 2024 | Sep 2025 | $2.72k | |
| YUBA City Cogeneration Partners, LP | Sacramento, CA | - | - | - | Sep 2025 | $1.53M | ||
| City Of St George | St George, UT | Municipally-Owned Utility | 5 | 149.1 GWh | Dec 2024 | Sep 2025 | $3.49M | |
| GSP Merrimack LLC | Bow, NH | - | - | - | Sep 2025 | $2.95M | ||
| XO Energy Ma, LP | Landenberg, PA | - | - | - | Sep 2025 | $36.97M | $11.10M | |
| XO Energy MW, LP | Landenberg, PA | - | - | - | Sep 2025 | $36.97M | $25.87M | |
| Merck & Co Inc-West Point | Rahway, NJ | |Industrial | 4 | 355.5 GWh | Feb 2026 | Sep 2025 | $96.43k | |
| New Hope Power Partnership | Southbay, FL | - | - | - | Sep 2025 | $277.57k | ||
| Greenleaf Energy Unit 2 LLC | Birmingham, AL | - | - | - | Sep 2025 | $18.29k | ||
| NRG Energy Inc | Sweetwater, TX | Independent Power Producer | 1 | 279.8 GWh | Dec 2024 | Sep 2025 | $137.08k | |
| Matador Power Marketing, Inc. | Toronto, ON | - | - | - | Sep 2025 | $162.46k | ||
| Midway-Sunset Cogeneration Co | Fellows, CA | Independent Power Producer | 1 | 42.7 GWh | Jan 2026 | Sep 2025 | $99.78k | |
| Camchino Leasing LLC | Chino, CA | Independent Power Producer | 1 | 8.0 GWh | Dec 2024 | Sep 2025 | $5.72k | |
| City Of Rochester | Rochester, MN | Municipally-Owned Utility | 1 | 4.2 GWh | Dec 2024 | Sep 2025 | $122.38k | |
| Arche Energy Project, LLC | San Francisco, CA | - | - | - | Sep 2025 | $2.25M | ||
| GSP White Lake LLC | Bow, NH | - | - | - | Sep 2025 | $169.51k | ||
| GSP Lost Nation LLC | Bow, NH | - | - | - | Sep 2025 | $162.40k | ||
| Switched On, LLC | Las Vegas, NV | - | - | - | Sep 2025 | $49.88k | $54.74k | |
| Tonopah Solar Energy LLC | Tonopah, NV | Independent Power Producer | 1 | 72.1 GWh | Feb 2026 | Sep 2025 | $54.74k | |
| NS Power Energy Marketing Inc. | Halifax, NS | - | - | - | Sep 2025 | $9.55k | ||
| Frontier Windpower II, LLC | Blacwell, OK | Investor-Owned Utility | - | - | Dec 2021 | Sep 2025 | $2.11M | |
| Willey Battery Utility, LLC | Hamilton, OH | Independent Power Producer | 1 | -1.5 GWh | Dec 2024 | Sep 2025 | $381.36k | |
| AES Indiana | Indianapolis, IN | Investor-Owned Utility | 6 | 13.6 TWh | Feb 2026 | Sep 2025 | $263.84k | |
| Arrow Canyon Solar LLC | San Diego, CA | Independent Power Producer | 1 | 628.4 GWh | Feb 2026 | Sep 2025 | $6.90M | |
| Cleanchoice Power Solutions, LLC | Washington, DC | - | - | - | Sep 2025 | $75.29k | ||
| Clinton Battery Utility, LLC | Baltimore, MD | Independent Power Producer | 1 | -594.0 MWh | Dec 2024 | Sep 2025 | $69.16k | |
| Delta Solar Power I, LLC | Jackson, MI | Independent Power Producer | 1 | 13.9 GWh | Dec 2024 | Sep 2025 | $314.47k | |
| Anaheim Public Utilities | Anaheim, CA | Municipally-Owned Utility | 1 | 2.9 GWh | Dec 2024 | Aug 2025 | ||
| Duke Energy Kentucky Inc | Cincinnati, OH | Investor-Owned Utility | 6 | 3.0 TWh | Feb 2026 | Aug 2025 | $41.57M | $29.52k |
| Sunnyside Cogeneration Assoc | Sunnyside, UT | Independent Power Producer | 1 | 191.8 GWh | Jan 2026 | Aug 2025 | $1.12M | |
| Seiling Wind II, LLC | Juno Beach, FL | - | - | - | Aug 2025 | $928.82k | ||
| Tropicana Manufacturing Company Inc. | Bradenton, FL | - | - | - | Aug 2025 | $362.25k | ||
| Devon Energy Production Co | Oklahoma City, OK | Industrial | - | - | Dec 2020 | Aug 2025 | $151.16 | |
| Lincoln Generating Facility LLC | Omaha, NE | Independent Power Producer | 1 | - | Oct 2024 | Aug 2025 | $7.63M | |
| St Paul Cogeneration LLC | Saint Paul, MN | Independent Power Producer | 1 | 162.3 GWh | Dec 2024 | Aug 2025 | $3.30M | |
| Alpaugh 50, LLC | Valhalla, NY | - | - | - | Aug 2025 | $5.24M | ||
| Alpaugh North, LLC | Valhalla, NY | - | - | - | Aug 2025 | $1.93M | ||
| Bethpage Energy Center 3, LLC | Houston, TX | - | - | - | Aug 2025 | $4.58M | $102.96k | |
| Champion Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 22.0 GWh | Dec 2024 | Jul 2025 | $235.80k | |
| Kentucky Power Co | Columbus, OH | Investor-Owned Utility | 2 | 5.6 TWh | Feb 2026 | Jul 2025 | $876.82k | |
| TPE ALTA Luna, LLC | New York, NY | Independent Power Producer | 1 | 9.6 GWh | Jan 2026 | Jul 2025 | $260.24k | |
| Smith Creek Hydro, LLC | Bellingham, WA | Independent Power Producer | 1 | - | Nov 2024 | Jul 2025 | $2.57M | |
| Nevada Gold Energy, LLC | Battle Mountain, NV | Independent Power Producer | 1 | 1.8 TWh | Feb 2026 | Jul 2025 | $2.46M | |
| Morgantown Power, LLC | Houston, TX | - | - | - | Jul 2025 | $2.59M | ||
| Nedpower Mount Storm LLC | Houston, TX | - | - | - | Jul 2025 | $3.67M | ||
| Nova Power, LLC | Houston, TX | Independent Power Producer | 1 | -132.2 GWh | Feb 2026 | Jul 2025 | $29.54M | |
| Gilroy Energy Center For Riverview | Suisun, CA | Independent Power Producer | 3 | 39.6 GWh | Dec 2024 | Jul 2025 | $11.28M | |
| Dominion Energy Generation Marketing, Inc. | Richmond, VA | - | - | - | Jul 2025 | $2.57M | $2.37M | |
| Energy Storage Holdings, LLC | Juno Beach, FL | - | - | - | Jul 2025 | $0.19 | ||
| Criterion Power Partners LLC | Baltimore, MD | Independent Power Producer | 1 | 281.4 GWh | Feb 2026 | Jun 2025 | $3.12M | |
| Dillon Wind LLC | Portland, OR | - | - | - | Jun 2025 | $4.28M | ||
| Eastman Chemical Co-TN Ops | Kingsport, TN | Industrial | 1 | 1.1 TWh | Feb 2026 | Jun 2025 | $154.17k | |
| Mustang Hills, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 312.4 GWh | Dec 2024 | Jun 2025 | $11.94M | |
| Ormat Stillwater Solar PV II, LLC | Reno, NV | Independent Power Producer | 1 | 26.1 GWh | Dec 2024 | Jun 2025 | $188.84k | |
| Palouse Wind LLC | Oakesdale, WA | Independent Power Producer | - | - | - | Jun 2025 | $5.27M | |
| Richland Township Solar, LLC | St. Louis, MO | - | - | - | Jun 2025 | $1.30M | ||
| SWG Arapahoe, LLC | Denver, CO | Independent Power Producer | 1 | 375.5 GWh | Feb 2026 | Jun 2025 | $3.88M | |
| 20SD 8ME LLC | LOS Angeles, CA | Independent Power Producer | - | - | - | Jun 2025 | $17.20M | |
| Algonquin Hydro Holdings Corp. | Oakville, ON | - | - | - | Jun 2025 | $15.00k | ||
| Antelope Valley Bess, LLC | Dallas, TX | - | - | - | Jun 2025 | $2.36M | ||
| Green Country Energy, LLC | Columbus, OH | - | - | - | Jun 2025 | $21.83M | ||
| Marco DM Holdings, L.L.C. | Houston, TX | - | - | - | Jun 2025 | $14.46M | $14.46M | |
| Wadham Energy Ltd Partners | San Ramon, CA | Independent Power Producer | 1 | 147.6 GWh | Dec 2024 | Jun 2025 | $109.98k | |
| XO Energy SW, LP | Landenberg, PA | - | - | - | Jun 2025 | $613.07k | ||
| Wheelabrator Portsmouth Inc. | Portsmouth, NH | - | - | - | Jun 2025 | $21.88k | ||
| Rocky Mountain Power, LLC | New York, NY | - | - | - | Jun 2025 | $2.99M | ||
| Rose Creek Wind, LLC | Valhalla, NY | - | - | - | Jun 2025 | $6.07k | ||
| Flat Ridge 4 Wind Holdings LLC | Chicago, IL | - | - | - | Jun 2025 | $304.43k | ||
| NRG Cottonwood Tenant LLC | Deweyville, TX | Independent Power Producer | 1 | 3.9 TWh | Dec 2025 | Jun 2025 | $22.06M | |
| Kuehne Chemical | Lincoln University, PA | - | - | - | Jun 2025 | $17.66k | ||
| Lightstone Marketing LLC | Washington, DC | - | - | - | Jun 2025 | $1.43M | $1.43M | |
| Essential Power Massachusetts, LLC | Charlotte, NC | - | - | - | May 2025 | $61.97k | ||
| National Grid Renewables | Bloomington, MN | Independent Power Producer | 53 | 852.6 GWh | Feb 2026 | May 2025 | $672.00k | |
| City Of Idaho Falls - (Id) | Idaho Falls, ID | Municipally-Owned Utility | 6 | 252.8 GWh | Dec 2024 | May 2025 | $500 | |
| Pixley Solar Energy LLC | Chicago, IL | Investor-Owned Utility | 1 | 325.7 GWh | Jan 2026 | May 2025 | $913.33k | |
| Big Country Datalec LLC | New York, NY | - | - | - | May 2025 | $2.92M | $2.92M | |
| Citigroup Commodities Canada ULC | Houston, TX | - | - | - | Apr 2025 | $13.05M | ||
| South Texas Electric Coop, Inc | Nursery, TX | Cooperative | 3 | 845.1 GWh | Feb 2026 | Apr 2025 | $187.20k | |
| ENEL Trading North America, LLC | Andover, MA | - | - | - | Apr 2025 | $1.60k | ||
| City Of Lakeland - (FL) | Lakeland, FL | Municipally-Owned Utility | 3 | 2.9 TWh | Feb 2026 | Apr 2025 | $144.00k | |
| Motiva Enterprises LLC | Port Arthur, TX | Industrial | 1 | 1.7 TWh | Feb 2026 | Apr 2025 | ||
| Calpine Corp - Metcalf Energy Center | San Jose, CA | |Independent Power Producer | 14 | 12.8 TWh | Feb 2026 | Mar 2025 | ||
| Semass Partnership | West Wareham, MA | Commercial | 1 | 604.4 GWh | Feb 2026 | Mar 2025 | ||
| BP Alternative Energy | Whiting, IN | Commercial | 1 | 2.9 TWh | Feb 2026 | Jan 2025 | ||
| Algonquin Power Sanger LLC | Oakville, ON | Independent Power Producer | 10 | 4.3 TWh | Feb 2026 | Jan 2025 | ||
| Steele Flats Wind Project LLC | Juno Beach, FL | Independent Power Producer | 1 | 382.4 GWh | Feb 2026 | Dec 2024 | ||
| Naturener Glacier Wind Energy 2 LLC | Palm Beach Gardens, FL | Independent Power Producer | 1 | 245.2 GWh | Feb 2026 | Oct 2024 | ||
| NMRD Data Center III, LLC | Columbus, OH | Independent Power Producer | - | 50.9 GWh | Dec 2023 | Sep 2024 | ||
| Lower Colorado River Authority | Austin, TX | Political Subdivision | 12 | 15.7 TWh | Feb 2026 | Sep 2024 | ||
| Gainesville Regional Utilities | Gainesville, FL | Municipally-Owned Utility | 5 | 1.9 TWh | Feb 2026 | Sep 2024 | ||
| City Of Tacoma - (Wa) | Tacoma, WA | Municipally-Owned Utility | 8 | 2.5 TWh | Feb 2026 | Jul 2024 | ||
| EDP Renewables North America LLC | Houston, TX | Independent Power Producer | 8 | 2.1 TWh | Feb 2026 | Jun 2024 | ||
| Nextera Energy Resources Ensign Wind | Juno Beach, FL | Independent Power Producer | 9 | 1.0 TWh | Dec 2024 | Jun 2024 | ||
| Windy Flats Partners LLC | Centerville, WA | Independent Power Producer | 1 | 695.8 GWh | Dec 2024 | Jun 2024 | ||
| Lanyard Power Holdings, LLC | Houston, TX | Independent Power Producer | 3 | 1.1 TWh | Feb 2026 | Jun 2024 | ||
| City Of Abbeville - (SC) | Abbeville, SC | Municipally-Owned Utility | 1 | 6.3 GWh | Dec 2024 | May 2024 |
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% |