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 |
|---|---|---|---|---|---|---|---|---|
| Phobos Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 187.1 GWh | Oct 2025 | Sep 2025 | $1.91M | |
| Phoebe Energy Project, LLC | San Diego, CA | Independent Power Producer | 1 | 601.1 GWh | Oct 2025 | - | ||
| Phoenix Solar South Farms LLC | Centennial, CO | Independent Power Producer | 1 | 7.1 GWh | Oct 2025 | - | ||
| Orange Grove Energy LP | Schaumburg, IL | Independent Power Producer | 1 | 23.9 GWh | Dec 2024 | Sep 2025 | $3.47M | |
| Onward Energy | New York, NY | Independent Power Producer | 41 | 6.6 TWh | Oct 2025 | - | ||
| Onyx Asset Services Group | New York, NY | Independent Power Producer | 29 | 84.4 GWh | Dec 2024 | - | ||
| Open Mountain Energy LLC. | LEHI, UT | Independent Power Producer | 1 | 19.5 GWh | Dec 2024 | - | ||
| Oppidum Renewables USA, LLC | Pittsburgh, PA | Independent Power Producer | 18 | 133.2 GWh | Dec 2024 | - | ||
| 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 Grove | Boston, MA | Independent Power Producer | 1 | 138.1 GWh | Oct 2025 | - | ||
| Ontelaunee Energy Center | Reading, PA | Independent Power Producer | 1 | 4.4 TWh | Oct 2025 | - | ||
| Orcal Geothermal, Inc | Reno, NV | Independent Power Producer | 2 | 755.2 GWh | Dec 2024 | - | ||
| Orchard Ranch Solar, LLC | Boston, MA | Independent Power Producer | 1 | 48.2 GWh | Oct 2025 | - | ||
| Orchard Windfarm, LLC | New York, NY | Independent Power Producer | 4 | 122.2 GWh | Dec 2024 | - | ||
| Oregon Clean Energy Center | Oregon, OH | Independent Power Producer | 1 | 6.0 TWh | Oct 2025 | Oct 2025 | $58.02M | |
| 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 | - | ||
| Oriana Solar LLC | Boston, MA | Independent Power Producer | 1 | 73.1 GWh | Oct 2025 | - | ||
| Origis Energy USA, Inc | Miami, FL | Independent Power Producer | 21 | 631.1 GWh | Oct 2025 | - | ||
| Orion Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 5.0 GWh | Dec 2024 | - | ||
| Orion Solar I LLC | Independent Power Producer | 1 | 29.5 GWh | Dec 2024 | - | |||
| Olinda Trail Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 2.2 GWh | Dec 2024 | - | ||
| Ogburn Solar, LLC | Jersey City, NJ | Independent Power Producer | 1 | 4.5 GWh | Dec 2024 | - | ||
| Ogden Projects Inc-Haverhill | Morristown, NJ | Independent Power Producer | 1 | 226.4 GWh | Sep 2025 | - | ||
| Ohio Power Partners, LLC | Middletown, OH | Independent Power Producer | 1 | 3.5 TWh | Oct 2025 | Oct 2025 | $23.60M | |
| Old 300 Solar Center, LLC | Austin, TX | Independent Power Producer | 1 | 1.0 TWh | Oct 2025 | - | ||
| Old Court RD Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Old Frontier Solar III PV, LLC | Boston, MA | Independent Power Producer | 1 | 4.1 GWh | Dec 2024 | - | ||
| Old Gold Energy Center, LLC | Joice, IA | Independent Power Producer | 1 | 89.1 GWh | Dec 2024 | Oct 2025 | $121.04k | |
| Old Mill Solar | Juno Beach, FL | Independent Power Producer | 1 | 7.5 GWh | Dec 2024 | - | ||
| Old Settler Wind, LLC | Houston, TX | Independent Power Producer | 1 | 583.6 GWh | Oct 2025 | - | ||
| Old Trail Wind Farm LLC | Ellsworth, IL | Independent Power Producer | 1 | 610.9 GWh | Oct 2025 | Oct 2025 | $2.77M | |
| Oleander Holdings LLC | Juno Beach, FL | Independent Power Producer | 1 | 491.0 GWh | Dec 2024 | - | ||
| Orion Solar II, LLC | San Francisco, CA | Independent Power Producer | 1 | 19.8 GWh | Dec 2024 | - | ||
| Oliver Wind III, LLC | Juno Beach, FL | Independent Power Producer | 1 | 420.6 GWh | Oct 2025 | Sep 2025 | $2.15M | |
| Oliver Wind IV, LLC | Juno Beach, FL | Independent Power Producer | 1 | 690.6 GWh | Oct 2025 | Oct 2025 | $2.70M | |
| Olmstead Solar II, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.6 GWh | Dec 2024 | - | ||
| Olney Solar II, LLC | Boston, MA | Independent Power Producer | 1 | 4.6 GWh | Dec 2024 | - | ||
| OLS Energy-Agnews Inc. | Dublin, CA | Independent Power Producer | 1 | 14.1 GWh | Dec 2024 | Oct 2025 | $0 | |
| Olsen Power Partners | Annapolis, MD | Independent Power Producer | 1 | 13.8 GWh | Dec 2024 | - | ||
| Omnis Pleasants, LLC | Santa Barbara, CA | Independent Power Producer | 1 | 402.3 GWh | Oct 2025 | Oct 2025 | $7.21M | |
| One Ten Partners, LLC | LOS Angeles, CA | Independent Power Producer | 1 | 6.4 GWh | Dec 2024 | - | ||
| Oneida DG Solar, LLC | Juno Beach, FL | Independent Power Producer | 2 | 5.1 GWh | Dec 2024 | - | ||
| Oneta Power LLC | Broken Arrow, OK | Independent Power Producer | 1 | 5.4 TWh | Oct 2025 | Oct 2025 | $72.96M | |
| OYA NYS RTE 12 LLC | Juno Beach, FL | Independent Power Producer | 1 | 7.0 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 | |
| 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 | - | ||
| Overlook Solar Partners, LLC | New York, NY | Independent Power Producer | 1 | 799.0 MWh | Nov 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 | - | ||
| Ozark Hydro Management, LLC | Locust Grove, AR | Independent Power Producer | 3 | 55.1 GWh | Oct 2025 | - | ||
| P66 Rodeo Solar | Rodeo, CA | Independent Power Producer | 1 | 37.6 GWh | Oct 2025 | - | ||
| Pacific Energy Solutions, LLC | Juno Beach, FL | Independent Power Producer | 1 | 18.9 GWh | Dec 2024 | - | ||
| Pacifico Power | San Juan Capistrano, CA | Independent Power Producer | 3 | 250.0 MWh | Dec 2024 | - | ||
| Packaging Corp Of America | Counce, TN | Independent Power Producer | 1 | 470.2 GWh | Oct 2025 | - | ||
| Page Solar Farm, LLC | Asheville, NC | Independent Power Producer | 1 | 2.6 GWh | Dec 2024 | - | ||
| Orsted Onshore North America | Austin, TX | Independent Power Producer | 1 | 1.2 TWh | Oct 2025 | - | ||
| Orlando Cogen Ltd LP | Orlando, FL | Independent Power Producer | - | 1.1 TWh | Dec 2023 | - | ||
| Ormat Cove Fort LLC | Reno, NV | Independent Power Producer | 2 | 136.1 GWh | Dec 2024 | Sep 2025 | $3.25M | |
| Ormat Nevada Inc. | Reno, NV | Independent Power Producer | 28 | 3.4 TWh | Oct 2025 | - | ||
| 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 | |
| Ormond Beach Power, LLC | Houston, TX | Independent Power Producer | 1 | 19.2 GWh | Aug 2025 | Sep 2025 | $40.40M | |
| 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 | |
| Oroville Cogeneration LP | Independent Power Producer | - | 256.4 MWh | Dec 2023 | - | |||
| Orrtanna Power, LLC | Chicago, IL | Independent Power Producer | 1 | -124.5 MWh | Dec 2024 | Oct 2025 | $220.70k | |
| Phantom Solar, LLC | Houston, TX | Independent Power Producer | 1 | 18.2 GWh | Dec 2024 | - | ||
| Orsted Wind Power North America LLC | Boston, MA | Independent Power Producer | 3 | 569.1 GWh | Oct 2025 | - | ||
| Ortega Grid, LLC | Chicago, IL | Independent Power Producer | 1 | - | - | Sep 2025 | $20.82k | |
| Osage Wind, LLC | St. Louis, MO | Independent Power Producer | - | - | - | Sep 2025 | $3.91M | |
| Osborn Wind Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 740.6 GWh | Oct 2025 | Sep 2025 | $5.23M | |
| Osceola Windpower LLC | Juno Beach, FL | Independent Power Producer | 2 | 643.3 GWh | Oct 2025 | Jun 2019 | ||
| OSLH, LLC | Asheville, NC | Independent Power Producer | 1 | 22.8 GWh | Dec 2024 | - | ||
| Oswego Harbor Power | Oswego, NY | Independent Power Producer | 1 | 91.0 GWh | Aug 2025 | Sep 2025 | $29.55M | |
| OTAY Mesa Energy Center LLC | Dublin, CA | Independent Power Producer | 1 | 2.0 TWh | Oct 2025 | Oct 2025 | $16.15M | |
| 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 | - | ||
| Quail Run Energy Partners, LP | Odessa, TX | Independent Power Producer | 1 | 3.3 TWh | Dec 2024 | - | ||
| Prospero Solar II, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 723.0 GWh | Oct 2025 | - | ||
| Providence Solar Center, LLC | Nashville, TN | Independent Power Producer | 1 | 33.1 GWh | Oct 2025 | - | ||
| Proxima Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 497.1 GWh | Oct 2025 | Sep 2025 | $13.04M | |
| PSEG Keys Energy Center, LLC | Brandywine, MD | Independent Power Producer | 1 | 5.2 TWh | Oct 2025 | Dec 2021 |
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% |