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 |
|---|---|---|---|---|---|---|---|---|
| Optimum Wind 3 LLC | Irvington, NY | Independent Power Producer | 1 | 11.2 GWh | Dec 2024 | - | ||
| Optimum Wind 4 LLC | Irvington, NY | Independent Power Producer | 1 | 11.3 GWh | Dec 2024 | - | ||
| Optimum Wind 5 LLC | Irvington, NY | Independent Power Producer | 1 | 9.5 GWh | Dec 2024 | - | ||
| Optimum Wind 6 LLC | Irvington, NY | Independent Power Producer | 1 | 9.6 GWh | Dec 2024 | - | ||
| Optimum Wind 7 LLC | Irvington, NY | Independent Power Producer | 1 | 12.0 GWh | Dec 2024 | - | ||
| Or Solar 2, LLC | Jersey City, NJ | Independent Power Producer | 1 | 13.2 GWh | Dec 2024 | - | ||
| Orange County Sanitation DIST | Fountain Valley, CA | Political Subdivision | 2 | 109.0 GWh | Dec 2024 | - | ||
| Orange Grove Energy LP | Schaumburg, IL | Independent Power Producer | 1 | 23.9 GWh | Dec 2024 | Sep 2025 | $3.47M | |
| Orcal Geothermal, Inc | Reno, NV | Independent Power Producer | 2 | 755.2 GWh | Dec 2024 | - | ||
| Orchard Windfarm, LLC | New York, NY | Independent Power Producer | 4 | 122.2 GWh | Dec 2024 | - | ||
| Oregon Environmental Industries LLC | Medford, OR | Independent Power Producer | 1 | 20.3 GWh | Dec 2024 | - | ||
| Organic Energy Solutions, Inc. | San Bernardino, CA | Independent Power Producer | 1 | 4.9 GWh | Dec 2024 | - | ||
| Orion Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 5.0 GWh | Dec 2024 | - | ||
| Orion Energy Group LLC | Oakland, CA | Commercial | 2 | 832.4 GWh | Dec 2024 | - | ||
| Orion Engineered Carbons | Spring, TX | Industrial | 3 | 146.8 GWh | Dec 2024 | - | ||
| Orion Solar I LLC | Independent Power Producer | 1 | 29.5 GWh | Dec 2024 | - | |||
| Orion Solar II, LLC | San Francisco, CA | Independent Power Producer | 1 | 19.8 GWh | Dec 2024 | - | ||
| Ormat Cove Fort LLC | Reno, NV | Independent Power Producer | 2 | 136.1 GWh | Dec 2024 | Sep 2025 | $3.25M | |
| Ormat Salt Wells LLC | Reno, NV | Independent Power Producer | 1 | 76.9 GWh | Dec 2024 | - | ||
| Ormat Stillwater LLC | Reno, NV | Independent Power Producer | 1 | 140.1 GWh | Dec 2024 | Sep 2025 | $944.67k | |
| Ormat Stillwater Solar PV II, LLC | Reno, NV | Independent Power Producer | 1 | 26.1 GWh | Dec 2024 | Jun 2025 | $188.84k | |
| 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 | |
| Orrtanna Power, LLC | Chicago, IL | Independent Power Producer | 1 | -124.5 MWh | Dec 2024 | Oct 2025 | $220.70k | |
| OSLH, LLC | Asheville, NC | Independent Power Producer | 1 | 22.8 GWh | Dec 2024 | - | ||
| Oswego City Of | Oswego, NY | Municipally-Owned Utility | 1 | 29.4 GWh | Dec 2024 | - | ||
| Oswego County | Oswego, NY | Municipally-Owned Utility | 1 | 8.8 GWh | Dec 2024 | - | ||
| OTIS Elevator Company | Florence, SC | Industrial | 1 | 1.7 GWh | Dec 2024 | - | ||
| Otsego Paper Inc | Otsego, MI | Industrial | 1 | 180.0 GWh | Dec 2024 | - | ||
| Otter River Road Solar LLC | Framingham, MA | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| Outback Solar, LLC | New York, NY | Independent Power Producer | 1 | 6.7 GWh | Dec 2024 | - | ||
| Overman Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 11.2 GWh | Dec 2024 | - | ||
| OWEN Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 8.5 GWh | Dec 2024 | - | ||
| Owlville Creek Solar 2, LLC | Boston, MA | Independent Power Producer | 1 | 8.0 GWh | Dec 2024 | - | ||
| Owlville Creek Solar, LLC | Boston, MA | Independent Power Producer | 1 | 8.5 GWh | Dec 2024 | - | ||
| Oxbow Creek Energy LLC | Omaha, NE | Independent Power Producer | 1 | 46.2 GWh | Dec 2024 | Oct 2025 | $1.09M | |
| OXON Run Community Renewable Energy Facility | Washington, DC | State-Owned Utility | 1 | 1.6 GWh | Dec 2024 | - | ||
| Oxy Renewable Energy LLC | Houston, TX | Industrial | 1 | 42.9 GWh | Dec 2024 | - | ||
| OYA 2643 Moore Road LLC | Juno Beach, FL | Independent Power Producer | 1 | 6.4 GWh | Dec 2024 | - | ||
| OYA Blanchard Road 2 LLC | Juno Beach, FL | Independent Power Producer | 1 | 8.4 GWh | Dec 2024 | - | ||
| OYA Blanchard Road LLC | Juno Beach, FL | Independent Power Producer | 1 | 7.2 GWh | Dec 2024 | - | ||
| OYA Church Road A LLC | Toronto, ON | Independent Power Producer | 1 | 8.4 GWh | Dec 2024 | - | ||
| OYA Great Lakes Seaway LLC | Juno Beach, FL | Independent Power Producer | 1 | 8.0 GWh | Dec 2024 | - | ||
| OYA Main Street LLC | Toronto, ON | Independent Power Producer | 1 | 8.4 GWh | Dec 2024 | - | ||
| OYA NYS RTE 12 LLC | Juno Beach, FL | Independent Power Producer | 1 | 7.0 GWh | Dec 2024 | - | ||
| OYA Pulaski LLC | Toronto, ON | Independent Power Producer | 1 | 5.9 GWh | Dec 2024 | - | ||
| OYA Robinson Road, LLC | Toronto, ON | Independent Power Producer | 1 | 10.0 GWh | Dec 2024 | - | ||
| OYA State Route 122, LLC | Toronto, ON | Independent Power Producer | 1 | 7.1 GWh | Dec 2024 | - | ||
| OYA Wayside Drive LLC | Toronto, ON | Independent Power Producer | 1 | 8.2 GWh | Dec 2024 | - | ||
| Ozarks Electric Coop Corp - (Ar) | Fayetteville, AR | Cooperative | 1 | 989.0 MWh | Dec 2024 | - | ||
| Pacific Energy Solutions, LLC | Juno Beach, FL | Independent Power Producer | 1 | 18.9 GWh | Dec 2024 | - | ||
| Pacific Northwest Generating Coop | Clackamas, OR | Cooperative | 1 | 42.4 GWh | Dec 2024 | Oct 2025 | $58.29M | $1.52M |
| Pacifico Power | San Juan Capistrano, CA | Independent Power Producer | 3 | 250.0 MWh | Dec 2024 | - | ||
| Packaging Corporation Of America | Lake Forest, IL | Industrial | 1 | 439.0 GWh | Dec 2024 | - | ||
| Paducah Power System | Paducah, KY | Municipally-Owned Utility | 1 | 120.5 GWh | Dec 2024 | - | ||
| Page Solar Farm, LLC | Asheville, NC | Independent Power Producer | 1 | 2.6 GWh | Dec 2024 | - | ||
| Palmer Community Solar LLC | Schenectady, NY | Independent Power Producer | 1 | 2.1 GWh | Dec 2024 | - | ||
| Palmer Hydroelectric | Corinth, NY | Independent Power Producer | 1 | 365.3 GWh | Dec 2024 | - | ||
| Palmetto Power Management LLC | El Segundo, CA | Independent Power Producer | 10 | 73.5 GWh | Dec 2024 | - | ||
| Pamlico Partners Solar, LLC | Jersey City, NJ | Independent Power Producer | 1 | 9.0 GWh | Dec 2024 | - | ||
| Panda Solar NC 1, LLC | Stamford, CT | Independent Power Producer | 1 | 1.9 GWh | Dec 2024 | - | ||
| Panda Solar NC 10, LLC | Stamford, CT | Independent Power Producer | 1 | 4.4 GWh | Dec 2024 | - | ||
| Panda Solar NC 11, LLC | Stamford, CT | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Panda Solar NC 2, LLC | Stamford, CT | Independent Power Producer | 1 | 3.8 GWh | Dec 2024 | - | ||
| Panda Solar NC 3, LLC | Stamford, CT | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Panda Solar NC 4, LLC | Stamford, CT | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Panda Solar NC 5, LLC | Stamford, CT | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Panda Solar NC 6, LLC | Stamford, CT | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Panda Solar NC 7 , LLC | Stamford, CT | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Panda Solar NC 8, LLC | Stamford, CT | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Panda Solar NC 9, LLC | Stamford, CT | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| Panther Creek Power Operating, LLC | Nesquehoning, PA | Independent Power Producer | 1 | 469.1 GWh | Dec 2024 | Oct 2025 | $1.32M | |
| Paradise Solar Urban Renewal, LLC | Juno Beach, FL | Independent Power Producer | 1 | 6.6 GWh | Dec 2024 | Mar 2014 | ||
| Paragould Municipal Utilities | Paragould, AR | Municipally-Owned Utility | 4 | 3.9 GWh | Dec 2024 | - | ||
| Paramount Group Inc | New York, NY | Commercial | 1 | 282.0 MWh | Dec 2024 | - | ||
| Paris Generation LP | Paris, TX | Independent Power Producer | 1 | 648.0 GWh | Dec 2024 | - | ||
| Partridgeville Road Solar 1, LLC | San Francisco, CA | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| PATU Wind Farm LLC | Independent Power Producer | 1 | 30.8 GWh | Dec 2024 | - | |||
| Patua Acquisition Company, LLC | Salt Lake City, UT | Independent Power Producer | 1 | 145.1 GWh | Dec 2024 | Sep 2025 | $2.02M | |
| Paulson Community Solar LLC | Safety Harbor, FL | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Pavant Solar II LLC | New York, NY | Independent Power Producer | 1 | 84.9 GWh | Dec 2024 | Sep 2025 | $1.20M | |
| Paxton Bess 1 LLC | Arlington, VA | Independent Power Producer | 1 | -50.0 MWh | Dec 2024 | Oct 2025 | $41.50k | |
| Paynesville Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 8.4 GWh | Dec 2024 | - | ||
| PCA-Tomahawk Mill | Tomahawk, WI | Industrial | 1 | 121.3 GWh | Dec 2024 | - | ||
| PCA-Valdosta Mill | Valdosta, GA | Industrial | 1 | 348.2 GWh | Dec 2024 | - | ||
| Peak Power 1, LLC | New York, NY | Commercial | 1 | 25.9 GWh | Dec 2024 | - | ||
| Peaker Power, LLC | Houston, TX | Independent Power Producer | 2 | 193.7 GWh | Dec 2024 | - | ||
| Pechin Solar LLC | Independent Power Producer | 1 | 3.3 GWh | Dec 2024 | - | |||
| Pecos Wind I LP | Juno Beach, FL | Independent Power Producer | 1 | 183.0 GWh | Dec 2024 | - | ||
| Pecos Wind II LP | Juno Beach, FL | Independent Power Producer | 1 | 182.4 GWh | Dec 2024 | - | ||
| Pegasus Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Pelican Utility | Pelican Utility DIST, AK | Municipally-Owned Utility | 1 | 1.9 GWh | Dec 2024 | - | ||
| Pembroke Lakes Mall | Pembroke Pines, FL | Commercial | 1 | 1.2 GWh | Dec 2024 | - | ||
| Pendleton Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 7.7 GWh | Dec 2024 | - | ||
| Pennsylvania Renewable Resources | Saltsburg, PA | Independent Power Producer | 1 | 49.9 GWh | Dec 2024 | - | ||
| Peoples Electric Cooperative | ADA, OK | Cooperative | 5 | 285.6 GWh | Dec 2024 | Sep 2025 | $6.96M | |
| Pepin Garden LLC | Minneapolis, MN | Independent Power Producer | 1 | 2.2 GWh | Dec 2024 | - | ||
| Pepperidge Farm, Inc.- Bloomfield | Bloomfield, CT | Industrial | 1 | 16.8 GWh | Dec 2024 | - | ||
| Perennial Wind, LLC | Omaha, NE | Independent Power Producer | 1 | 32.9 GWh | Dec 2024 | - | ||
| Perpetual Energy Systems | Woodland Hills, CA | Independent Power Producer | 3 | 4.3 GWh | Dec 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 | Sep 2025 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Sep 2025 | Natural Gas : 92.7% Bituminous Coal : 7.3% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Sep 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | Sep 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Sep 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 29 TWh | Jul 1974 | Sep 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Sep 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Sep 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Sep 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Sep 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Sep 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Sep 2025 | Natural Gas : 78.9% Bituminous Coal : 20.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Sep 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Sep 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Sep 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Sep 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Sep 2025 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Sep 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Sep 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Sep 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Sep 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Sep 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Sep 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Sep 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 14 TWh | Nov 1977 | Sep 2025 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Sep 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | Sep 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Sep 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Sep 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 16 TWh | Nov 1975 | Sep 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Sep 2025 | Subbituminous Coal : 74.0% Bituminous Coal : 16.6% Petroleum Coke : 9.2% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Sep 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Sep 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 23 TWh | Jun 1973 | Sep 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Sep 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Sep 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Sep 2025 | Nuclear |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 17 TWh | May 1971 | Sep 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Sep 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | Sep 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 12 TWh | Jun 1981 | Sep 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Sep 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 17 TWh | Apr 1976 | Sep 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | Sep 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Sep 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Sep 2025 | Nuclear : 67.7% Natural Gas : 32.3% |
| Vogtle | Waynesboro, Georgia | 36 TWh | Apr 1987 | Sep 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Sep 2025 | Subbituminous Coal : 83.7% Natural Gas : 16.3% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Sep 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Sep 2025 | Natural Gas : 99.9% |