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 |
|---|---|---|---|---|---|---|---|---|
| Bridgeport Energy LLC | Bridgeport, CT | Independent Power Producer | 1 | 2.8 TWh | Dec 2025 | Sep 2025 | $23.16M | |
| Waterford Power, LLC | Waterford, OH | Independent Power Producer | 1 | 5.8 TWh | Dec 2025 | Oct 2025 | $23.36M | |
| Neptune Regional Transmission System, LLC | Fairfield, CT | - | - | - | Sep 2025 | $23.40M | ||
| Ohio Power Partners, LLC | Middletown, OH | Independent Power Producer | 1 | 3.5 TWh | Dec 2025 | Oct 2025 | $23.60M | |
| Vermillion Power LLC | Greenwich, CT | Independent Power Producer | 1 | 1.8 TWh | Dec 2024 | Oct 2025 | $23.62M | |
| BIF II Safe Harbor Holdings, LLC | Gatineau, QC | - | - | - | Sep 2025 | $24.17M | $4.98M | |
| Desert Sunlight 300, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $24.62M | ||
| Arizona Public Service Co | Phoenix, AZ | Investor-Owned Utility | 30 | 56.0 TWh | Dec 2025 | Oct 2025 | $24.68M | $234.49M |
| AGUA Caliente Solar | Dateland, AZ | Independent Power Producer | 1 | 588.4 GWh | Dec 2025 | Sep 2025 | $24.76M | |
| AES Alamitos Energy, LLC | Long Beach, CA | Independent Power Producer | 1 | 1.6 TWh | Dec 2025 | Sep 2025 | $24.91M | $187.50k |
| TAIT Electric Generating Station, LLC | Washington, DC | - | - | - | Oct 2025 | $25.28M | ||
| Griffith Energy LLC | Kingman, AZ | Independent Power Producer | 1 | 4.2 TWh | Dec 2025 | Sep 2025 | $25.28M | $13.33k |
| Av Solar Ranch 1 LLC | Baltimore, MD | Independent Power Producer | 1 | 597.9 GWh | Dec 2025 | Sep 2025 | $25.34M | |
| Double Black Diamond Solar Power, LLC | Boston, MA | - | - | - | Sep 2025 | $25.52M | ||
| Idaho Power Co | Boise, ID | Investor-Owned Utility | 32 | 11.8 TWh | Dec 2025 | Oct 2025 | $26.04M | $44.71M |
| Solar Partners XI, LLC | Birmingham, AL | - | - | - | Sep 2025 | $26.21M | ||
| High Plains Ranch II, LLC | Richmond, CA | Independent Power Producer | - | - | Dec 2020 | Sep 2025 | $26.34M | |
| High Banks Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 2.7 TWh | Dec 2025 | Sep 2025 | $26.44M | |
| Essential Power Newington, LLC | Charlotte, NC | - | - | - | Sep 2025 | $26.68M | ||
| Desert Sunlight 250, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $26.78M | ||
| Google Energy LLC | Mountain VIew, CA | - | - | - | Oct 2025 | $26.89M | $83.45M | |
| Nstar Electric Company | Westwood, MA | Investor-Owned Utility | 17 | 62.3 GWh | Dec 2025 | Oct 2025 | $27.02M | $57.43M |
| Ocean State Power Co | Harrisville, RI | Independent Power Producer | 2 | 2.2 TWh | Dec 2024 | Sep 2025 | $27.03M | |
| Tenaska Gateway Partners Ltd | Omaha, NE | Independent Power Producer | 1 | 5.0 TWh | Dec 2025 | Oct 2025 | $27.20M | |
| McCoy Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 674.0 GWh | Dec 2024 | Sep 2025 | $27.30M | |
| Solar Star California XX, LLC | Rosamond, CA | Independent Power Producer | 1 | 755.1 GWh | Dec 2025 | Sep 2025 | $27.41M | |
| AEP Energy, Inc. | Columbus, OH | - | - | - | Oct 2025 | $27.92M | ||
| Silver State Solar Power South, LLC | Juno Beach, FL | Independent Power Producer | 1 | 706.6 GWh | Dec 2025 | Sep 2025 | $27.93M | |
| Manchester Street, LLC. | Providence, RI | Independent Power Producer | 1 | 2.0 TWh | Dec 2025 | Sep 2025 | $28.13M | |
| Termoelectrica U.S., LLC | Mexicali, BC | - | - | - | Oct 2025 | $28.40M | ||
| Bath County Energy, LLC | New York, NY | - | - | - | Oct 2025 | $28.67M | ||
| Chevron Power Holdings Inc. | Bakersfield, CA | - | - | - | Oct 2025 | $28.68M | ||
| Calpine Construction Fin Co LP | 1 | - | Nov 2003 | Oct 2025 | $28.72M | $3.93M | ||
| TEC Energy Inc. | Montreal, QC | - | - | - | Oct 2025 | $29.09M | ||
| Dow Chemical Co | Wilmington, DE | |Independent Power Producer|Industrial | 9 | 15.8 TWh | Dec 2025 | Oct 2025 | $29.42M | |
| Pastoria Energy Facility L.L.C. | Houston, TX | - | - | - | Oct 2025 | $29.49M | ||
| Nova Power, LLC | Houston, TX | Independent Power Producer | 1 | -128.6 GWh | Dec 2025 | Jul 2025 | $29.54M | |
| Oswego Harbor Power | Oswego, NY | Independent Power Producer | 1 | 92.1 GWh | Dec 2025 | Sep 2025 | $29.55M | |
| Desert Stateline LLC | Birmingham, AL | - | - | - | Sep 2025 | $29.68M | ||
| Hopewell Power Generation, LLC | Irving, TX | - | - | - | Oct 2025 | $29.75M | ||
| Calpine Bethlehem LLC | Houston, TX | Independent Power Producer | 1 | 6.4 TWh | Dec 2025 | Oct 2025 | $29.88M | $755.43 |
| Massachusetts Electric Co | Brooklyn, NY | Investor-Owned Utility | 3 | 3.7 GWh | Dec 2024 | Oct 2025 | $29.93M | $75.60M |
| Otter Tail Power Co | Fergus Falls, MN | Investor-Owned Utility | 21 | 5.9 TWh | Dec 2025 | Oct 2025 | $30.22M | $869.20k |
| Delta Energy Center LLC | Pittsburg, CA | Independent Power Producer | 1 | 4.1 TWh | Dec 2025 | Oct 2025 | $30.67M | |
| Arlington Valley LLC | Pleasanton, CA | Independent Power Producer | 1 | 3.7 TWh | Dec 2025 | Sep 2025 | $30.75M | $9.17M |
| AES Huntington Beach LLC | Huntington Beach, CA | Independent Power Producer | 2 | 2.1 TWh | Dec 2025 | Sep 2025 | $31.40M | |
| Salem Harbor Power Development LP | Salem, MA | Independent Power Producer | 2 | 1.9 TWh | Dec 2025 | Sep 2025 | $31.83M | |
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 17 | 857.7 GWh | Dec 2025 | Oct 2025 | $31.93M | $919.38k |
| Illinois Municipal Electric Agency | Springfield, IL | - | - | - | Oct 2025 | $31.97M | $8.41M | |
| J.P. Morgan Ventures Energy Corporation | Houston, TX | - | - | - | Sep 2025 | $32.00M | ||
| Whiting Clean Energy, Inc. | Whiting, IN | - | - | - | Sep 2025 | $32.16M | ||
| New Harquahala Generating Co, LLC | Plano, TX | Independent Power Producer | 1 | 3.3 TWh | Dec 2025 | Oct 2025 | $32.75M | |
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.2 TWh | Dec 2025 | Oct 2025 | $33.22M | $8.35M |
| High Desert Power Project LLC | Omaha, NE | Independent Power Producer | - | - | Dec 2015 | Oct 2025 | $33.27M | $751.22k |
| Kincaid Generation, L.L.C. | Irving, TX | - | - | - | Oct 2025 | $33.38M | ||
| Canal Marketing LLC | Houston, TX | - | - | - | Sep 2025 | $33.77M | $33.77M | |
| Oglethorpe Power Corporation | Tucker, GA | Cooperative | 13 | 16.3 TWh | Dec 2025 | Sep 2025 | $34.46M | $3.20M |
| Castleton Commodities Energy Services LLC | Stamford, CT | - | - | - | Oct 2025 | $34.49M | $33.24M | |
| Pine Bluff Energy LLC | Pine Bluff, AR | Independent Power Producer | 1 | 1.2 TWh | Dec 2025 | Oct 2025 | $34.87M | |
| Calpine Mid-Merit II, LLC | Houston, TX | - | - | - | Oct 2025 | $35.19M | $17.67k | |
| Emera Energy Services Subsidiary No. 1 LLC | Halifax, NS | - | - | - | Oct 2025 | $35.22M | $35.22M | |
| Rolling Hills Generating LLC | Wilkesville, OH | Independent Power Producer | 1 | 2.3 TWh | Dec 2024 | Oct 2025 | $35.26M | |
| Dow Pipeline, LLC | Houston, TX | - | - | - | Sep 2025 | $35.27M | ||
| CXA La Paloma LLC | Plano, TX | Independent Power Producer | 1 | 1.9 TWh | Dec 2025 | Oct 2025 | $35.49M | |
| AES Alamitos LLC | Long Beach, CA | Independent Power Producer | 1 | 28.2 GWh | Oct 2025 | Sep 2025 | $35.61M | |
| Birdsboro Power LLC | Birdsboro, PA | Independent Power Producer | 1 | 3.7 TWh | Dec 2025 | Oct 2025 | $35.81M | |
| Empire Generating Co LLC | Rensselaer, NY | Independent Power Producer | 1 | 3.2 TWh | Dec 2025 | Oct 2025 | $35.83M | |
| Louisiana Generating LLC | New Roads, LA | Independent Power Producer | 2 | 2.3 TWh | Dec 2025 | Oct 2025 | $36.00M | |
| Indeck Niles, LLC | Buffalo Grove, IL | Independent Power Producer | 1 | 6.1 TWh | Dec 2025 | Oct 2025 | $36.15M | |
| Solar Star California XIX, LLC | Rosamond, CA | Independent Power Producer | 1 | 938.2 GWh | Dec 2025 | Sep 2025 | $36.35M | |
| Occidental Chemical Corporation | Houston, TX | Industrial | 2 | 5.9 TWh | Dec 2025 | Sep 2025 | $36.49M | |
| Just Energy Limited | Houston, TX | - | - | - | Oct 2025 | $36.59M | $51.19M | |
| El Paso Electric Co | El Paso, TX | Investor-Owned Utility | 12 | 6.2 TWh | Dec 2025 | Oct 2025 | $36.62M | $26.34M |
| Hamilton Liberty O&M LLC | Towanda, PA | Independent Power Producer | 1 | 5.7 TWh | Dec 2025 | Oct 2025 | $36.63M | |
| Long Ridge Energy Generation LLC | Canonsburg, PA | Independent Power Producer | 1 | 4.2 TWh | Dec 2025 | Oct 2025 | $36.86M | |
| XO Energy Ma, LP | Landenberg, PA | - | - | - | Sep 2025 | $36.97M | $11.10M | |
| XO Energy MW, LP | Landenberg, PA | - | - | - | Sep 2025 | $36.97M | $25.87M | |
| Invenergy Nelson LLC | Chicago, IL | - | - | - | Oct 2025 | $37.00M | $69.44k | |
| Nautilus Power, LLC | Charlotte, NC | - | - | - | Oct 2025 | $37.42M | $37.42M | |
| Tidal Energy Marketing (U.S.) L.L.C. | Calgary, AB | - | - | - | Sep 2025 | $37.84M | ||
| Liberty Electric Power LLC | Eddystone, PA | Independent Power Producer | 1 | 4.3 TWh | Dec 2025 | Oct 2025 | $37.95M | |
| Appalachian Power Co | Columbus, OH | Investor-Owned Utility | 20 | 22.0 TWh | Dec 2025 | Oct 2025 | $38.00M | $43.20M |
| Carville Energy LLC | St Gabriel, LA | Independent Power Producer | 1 | 3.3 TWh | Dec 2025 | Sep 2025 | $38.12M | |
| Sithe/Independence LLC | Irving, TX | Independent Power Producer | 1 | 7.0 TWh | Dec 2025 | Oct 2025 | $38.34M | |
| Moss Landing Power Company LLC | Irving, TX | - | - | - | Oct 2025 | $38.50M | ||
| CP Energy Marketing (US) Inc. | Calgary, AB | - | - | - | Oct 2025 | $38.64M | $26.18M | |
| Seward Generation, LLC | Latrobe, PA | - | - | - | Oct 2025 | $38.85M | ||
| Indiana Municipal Power Agency | Carmel, IN | Political Subdivision | 48 | 1.4 TWh | Dec 2024 | Oct 2025 | $39.23M | $26.59M |
| Constellation New Energy Inc. | New York, NY | Independent Power Producer | 1 | 162.3 GWh | Dec 2025 | Oct 2025 | $39.38M | $2.41B |
| Ontelaunee Power Operating Company, LLC | Irving, TX | - | - | - | Oct 2025 | $39.87M | ||
| Calenergy, LLC | DES Moines, IA | - | - | - | Sep 2025 | $39.91M | $21.53M | |
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 16 | 19.4 TWh | Dec 2025 | Sep 2025 | $40.06M | $10.95M |
| CPV Shore, LLC | Silver Spring, MD | - | - | - | Oct 2025 | $40.19M | ||
| Ormond Beach Power, LLC | Houston, TX | Independent Power Producer | 1 | 18.8 GWh | Aug 2025 | Sep 2025 | $40.40M | |
| Merrill Lynch Commodities, Inc. | Houston, TX | - | - | - | Oct 2025 | $40.48M | $24.54M | |
| Potomac Energy Center LLC | Leesburg, VA | Independent Power Producer | 1 | 5.2 TWh | Dec 2025 | Oct 2025 | $40.53M | |
| Carolina Power Partners, LLC | St. Augustine, FL | Independent Power Producer | 1 | 3.5 TWh | Dec 2025 | Oct 2025 | $40.77M | $315.17k |
| Fayette Power Company, LLC | Masontown, PA | Independent Power Producer | 1 | 5.0 TWh | Dec 2025 | Oct 2025 | $40.85M | |
| AEP Generation Resources Inc | Columbus, OH | 4 | - | Dec 2020 | Oct 2025 | $41.09M | ||
| LMBE Project Company LLC | Houston, TX | - | - | - | Oct 2025 | $41.22M |
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 | Dec 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Dec 2025 | Natural Gas : 94.9% Bituminous Coal : 5.1% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Dec 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Dec 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Dec 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Dec 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Dec 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Dec 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Dec 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Dec 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Dec 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Dec 2025 | Natural Gas : 74.9% Bituminous Coal : 24.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Dec 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Dec 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Dec 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Dec 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Dec 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Dec 2025 | Nuclear |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Dec 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Dec 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Dec 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Dec 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Dec 2025 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Dec 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Dec 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Dec 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Dec 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Dec 2025 | Subbituminous Coal : 74.7% Bituminous Coal : 16.0% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Dec 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Dec 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Dec 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Dec 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Dec 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Dec 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Dec 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Dec 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Dec 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Dec 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Dec 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Dec 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Dec 2025 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Dec 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Dec 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 21 TWh | Mar 1967 | Dec 2025 | Nuclear : 68.7% Natural Gas : 31.3% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Dec 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 16 TWh | May 1958 | Dec 2025 | Subbituminous Coal : 83.3% Natural Gas : 16.7% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 16 TWh | Apr 1996 | Dec 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Dec 2025 | Natural Gas : 99.9% |