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 |
|---|---|---|---|---|---|---|---|---|
| Old Middleboro Road Solar, LLC | Wakefield, MA | - | - | - | Sep 2025 | $33.58k | ||
| Oleander Power Project, Limited Partnership | Juno Beach, FL | - | - | - | Sep 2025 | $6.39M | ||
| Oliver Wind Energy Center II, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $1.46M | ||
| Oliver Wind I, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $928.11k | ||
| Oliver Wind III, LLC | Juno Beach, FL | Independent Power Producer | 1 | 398.0 GWh | Mar 2026 | Sep 2025 | $2.15M | |
| One Nation Energy Solutions, LLC | Houston, TX | - | - | - | Sep 2025 | $2.47M | $1.72M | |
| Oneenergy Baker Point Solar, LLC | Durham, NC | - | - | - | Sep 2025 | $36.92k | ||
| ONGP LLC | Reno, NV | - | - | - | Sep 2025 | $19.33M | ||
| Orange Grove Energy LP | Schaumburg, IL | Independent Power Producer | 1 | 23.9 GWh | Dec 2024 | Sep 2025 | $3.47M | |
| Orbit Bloom Energy, LLC | Washington, DC | - | - | - | Sep 2025 | $1.76M | ||
| Origin Wind Energy, LLC | Andover, MA | - | - | - | Sep 2025 | $3.17M | ||
| Orlando Utilities COMM | Orlando, FL | Municipally-Owned Utility | 5 | 4.3 TWh | Mar 2026 | Sep 2025 | $19.92M | |
| Ormat Cove Fort LLC | Reno, NV | Independent Power Producer | 2 | 136.1 GWh | Dec 2024 | Sep 2025 | $3.25M | |
| Ormat Dixie Valley LLC | Reno, NV | - | - | - | Sep 2025 | $9.81M | ||
| Ormat Stillwater LLC | Reno, NV | Independent Power Producer | 1 | 140.1 GWh | Dec 2024 | Sep 2025 | $944.67k | |
| Ormesa LLC | Reno, NV | - | - | - | Sep 2025 | $5.91M | ||
| Ormond Beach Power, LLC | Houston, TX | Independent Power Producer | 1 | 18.5 GWh | Jan 2026 | Sep 2025 | $40.40M | |
| ORNI 14 LLC | Reno, NV | - | - | - | Sep 2025 | $1.25M | ||
| ORNI 18 LLC | Reno, NV | - | - | - | Sep 2025 | $132.53k | ||
| ORNI 36 LLC | Reno, NV | - | - | - | Sep 2025 | $2.80M | ||
| ORNI 37 LLC | Luring, NV | Independent Power Producer | 1 | 103.8 GWh | Dec 2024 | Sep 2025 | $1.67M | |
| ORNI 39 LLC | Reno, NV | - | - | - | Sep 2025 | $12.24M | ||
| ORNI 41 LLC | Reno, NV | - | - | - | Sep 2025 | $6.54M | ||
| ORNI 43 LLC | Reno, NV | - | - | - | Sep 2025 | $3.96M | ||
| ORNI 47, LLC | Luning, NV | Independent Power Producer | 1 | 122.3 GWh | Dec 2024 | Sep 2025 | $2.32M | |
| ORNI 50 LLC | Reno, NV | - | - | - | Sep 2025 | $3.83M | ||
| 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 | 754.7 GWh | Mar 2026 | Sep 2025 | $5.23M | |
| Oswego Harbor Power | Oswego, NY | Independent Power Producer | 1 | 130.8 GWh | Feb 2026 | Sep 2025 | $29.55M | |
| Otter Creek Wind Farm LLC | Portland, OR | - | - | - | Sep 2025 | $3.22M | ||
| Oxbow Solar Farm 1, LLC | San Francisco, CA | - | - | - | Sep 2025 | $6.18M | ||
| Palmco Power Il, LLC | Brooklyn, NY | - | - | - | Sep 2025 | $41.25k | ||
| Palmco Power Ma, LLC | Brooklyn, NY | - | - | - | Sep 2025 | $19.26k | ||
| Palmer's Creek Wind Farm, LLC | Granite Falls, MN | Independent Power Producer | 1 | 141.9 GWh | Mar 2026 | Sep 2025 | $715.05k | |
| Palmer Solar LLC | New City, NY | Commercial|Independent Power Producer | 1 | - | Dec 2022 | Sep 2025 | $1.25M | |
| Palmetto Plains Solar Project, LLC | Austin, TX | - | - | - | Sep 2025 | $1.59M | ||
| PALO DURO Wind | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | Mar 2026 | Sep 2025 | $2.81M | |
| Parrey, LLC | Richmond, CA | Independent Power Producer | - | - | - | Sep 2025 | $8.49M | |
| Partin Solar, LLC | Charleston, SC | Independent Power Producer | 1 | 94.3 GWh | Mar 2026 | Sep 2025 | $989.25k | |
| Passadumkeag Windpark LLC | Houston, TX | Independent Power Producer | - | - | - | Sep 2025 | $1.75M | |
| Pattern Energy Management Services LLC | Houston, TX | - | - | - | Sep 2025 | $14.67M | $9.71M | |
| Pattersonville Solar Facility LLC | Boca Raton, FL | - | - | - | Sep 2025 | $511.11k | ||
| Patua Acquisition Company, LLC | Salt Lake City, UT | Independent Power Producer | 1 | 145.1 GWh | Dec 2024 | Sep 2025 | $2.02M | |
| Pavant Solar II LLC | New York, NY | Independent Power Producer | 1 | 84.9 GWh | Dec 2024 | Sep 2025 | $1.20M | |
| Pavant Solar LLC | New York, NY | - | - | - | Sep 2025 | $2.40M | ||
| Pearl River Solar Park, LLC | Houston, TX | Independent Power Producer | 1 | 461.2 GWh | Mar 2026 | Sep 2025 | $3.99M | |
| Pebble Springs Wind LLC | Portland, OR | - | - | - | Sep 2025 | $5.66M | $363.93k | |
| Peetz Table Wind, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $7.87M | ||
| Pegasus Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 422.2 GWh | Mar 2026 | Sep 2025 | $3.90M | |
| Peony Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 60.9 GWh | Dec 2025 | Sep 2025 | $833.97k | |
| Peoples Electric Cooperative | ADA, OK | Cooperative | 5 | 285.6 GWh | Dec 2024 | Sep 2025 | $6.96M | |
| Perrin Ranch Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 186.4 GWh | Mar 2026 | Sep 2025 | $3.47M | |
| Pheasant Run Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 276.0 GWh | Mar 2026 | Sep 2025 | $3.01M | |
| Phobos Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 184.1 GWh | Mar 2026 | Sep 2025 | $1.91M | |
| Piedmont Green Power LLC | Barnesville, GA | Independent Power Producer | 1 | 446.9 GWh | Mar 2026 | Sep 2025 | $8.07M | |
| Pike Solar LLC | Boulder, CO | Independent Power Producer | - | - | - | Sep 2025 | $3.01M | |
| Pima Energy Storage System | Juno Beach, FL | Independent Power Producer | 1 | -622.0 MWh | Mar 2026 | Sep 2025 | $237.65k | |
| Pinal Central Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 61.0 GWh | Mar 2026 | Sep 2025 | $1.56M | |
| Pinelawn Power LLC | Schaumburg, IL | Independent Power Producer | 1 | 80.8 GWh | Dec 2024 | Sep 2025 | $5.21M | |
| Pinyon Pines Wind I, LLC | Mojave, CA | Independent Power Producer | 1 | 315.3 GWh | Dec 2024 | Sep 2025 | $13.52M | |
| Pinyon Pines Wind II, LLC | Mojave, CA | Independent Power Producer | 1 | 240.3 GWh | Dec 2024 | Sep 2025 | $9.69M | |
| PIO PICO Energy Center LLC | San Diego, CA | Independent Power Producer | 1 | 69.6 GWh | Dec 2024 | Sep 2025 | $14.35M | |
| Pioneer Solar (Co), LLC | Bennett, CO | Independent Power Producer | 1 | 193.5 GWh | Mar 2026 | Sep 2025 | $1.36M | |
| Pioneer Wind Park I, LLC | Louisville, CO | - | - | - | Sep 2025 | $1.88M | ||
| Pisgah Mountain, LLC | Bangor, ME | Independent Power Producer | 1 | 27.6 GWh | Dec 2024 | Sep 2025 | $617.80k | |
| Pittsfield Generating Company, LP | Pittsfield, MA | Independent Power Producer | 1 | 135.6 GWh | Feb 2026 | Sep 2025 | $2.09M | |
| Pivot Point Energy Group, LLC | Birmingham, AL | - | - | - | Sep 2025 | $8.77k | ||
| Placer County Water Agency | Foresthill, CA | Political Subdivision | 5 | 886.1 GWh | Mar 2026 | Sep 2025 | $230.03k | |
| Plains End II, LLC | Overland Park, KS | - | - | - | Sep 2025 | $3.22M | ||
| Plains End, LLC | Overland Park, KS | - | - | - | Sep 2025 | $3.06M | ||
| Plant-E Corp | Montreal, QC | - | - | - | Sep 2025 | $51.27M | ||
| Platteview Solar, LLC | Louisville, CO | - | - | - | Sep 2025 | $1.22M | ||
| Pleasant Valley Solar, LLC | Miami, FL | Independent Power Producer | 1 | 536.8 GWh | Mar 2026 | Sep 2025 | $7.25M | |
| Pleinmont Solar 1 LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $1.96M | |
| Pleinmont Solar 2 LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $6.12M | |
| Plum Creek Wind, LLC | Chicago, IL | Independent Power Producer | 1 | 867.2 GWh | Mar 2026 | Sep 2025 | $2.76M | |
| Point Beach Solar | Juno Beach, FL | Independent Power Producer | 1 | 218.7 GWh | Mar 2026 | Sep 2025 | $2.99M | |
| Portal Ridge Solar B, LLC | New York, NY | - | - | - | Sep 2025 | $1.14M | ||
| Portal Ridge Solar C, LLC | New York, NY | - | - | - | Sep 2025 | $559.53k | ||
| Porterhouse Wind (4) LLC | Chicago, IL | - | - | - | Sep 2025 | $214.57k | ||
| Poseidon Wind, LLC | Montreal, QC | - | - | - | Sep 2025 | $4.08M | ||
| Post Rock Wind Power Project, LLC | Ellsworth, KS | Independent Power Producer | - | - | Dec 2014 | Sep 2025 | $6.14M | |
| Powell Creek Solar, LLC | Portland, OR | - | - | - | Sep 2025 | $3.51M | ||
| Powells Creek Farm Solar, LLC | Houston, TX | Independent Power Producer | 1 | 164.4 GWh | Mar 2026 | Sep 2025 | $2.24M | |
| Power City Partners LP | Massena, NY | Independent Power Producer | 1 | - | Nov 2024 | Sep 2025 | $1.14M | |
| Power Holding LLC | Stamford, CT | - | - | - | Sep 2025 | $8.37M | ||
| PPM Roaring Brook, LLC | Portland, OR | - | - | - | Sep 2025 | $1.85M | ||
| Prairie Breeze Wind Energy LLC | Gatineau, QC | - | - | - | Sep 2025 | $6.06M | ||
| Prairie Center Energy LLC | Mosca, CO | - | - | - | Sep 2025 | $1.57M | ||
| Prairie Mist Solar Project, LLC | Oakland, CA | Independent Power Producer | 1 | 255.2 GWh | Mar 2026 | Sep 2025 | $2.00M | |
| Prairie Queen Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 504.6 GWh | Mar 2026 | Sep 2025 | $1.38M | |
| Prairie Ronde Solar Farm, LLC | San Francisco, CA | - | - | - | Sep 2025 | $3.53M | ||
| Prairie State Solar, LLC | New York, NY | Independent Power Producer | 1 | 244.3 GWh | Mar 2026 | Sep 2025 | $2.49M | |
| Pratt Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 957.5 GWh | Mar 2026 | Sep 2025 | $3.28M | |
| Prevailing Wind Park, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $4.25M | |
| Providence Heights Wind, LLC | Portland, OR | - | - | - | Sep 2025 | $596.15k | ||
| Provider Power Mass, LLC | Houston, TX | - | - | - | Sep 2025 | $36.98k | ||
| Proxima Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 508.6 GWh | Mar 2026 | Sep 2025 | $13.04M | |
| PSEG Nuclear LLC | Newark, NJ | Independent Power Producer | 2 | 30.2 TWh | Mar 2026 | Sep 2025 | $248.37M |
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 | Mar 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Mar 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Mar 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Mar 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Mar 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Mar 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Mar 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | Mar 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Mar 2026 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Mar 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Mar 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Mar 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Mar 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Mar 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Mar 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Mar 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Mar 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Mar 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Mar 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Mar 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Mar 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Mar 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Mar 2026 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Mar 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Mar 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Mar 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Mar 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Mar 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Mar 2026 | Subbituminous Coal : 75.0% Bituminous Coal : 16.0% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Mar 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Mar 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Mar 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Mar 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Mar 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Mar 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Mar 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 16 TWh | Nov 1972 | Mar 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Mar 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Mar 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | Mar 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Mar 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Mar 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Mar 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Mar 2026 | Nuclear : 68.1% Natural Gas : 31.9% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Mar 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Mar 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Mar 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Mar 2026 | Natural Gas |