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 |
|---|---|---|---|---|---|---|---|---|
| Dynegy Energy Services (East), LLC | Irving, TX | - | - | - | Oct 2025 | $19.00M | $2.56M | |
| Seattle City Light | Seattle, WA | - | - | - | Oct 2025 | $19.08M | $6.77M | |
| Kiowa Power Partners LLC | Omaha, NE | Independent Power Producer | 1 | 5.8 TWh | May 2026 | Oct 2025 | $19.14M | |
| ONGP LLC | Reno, NV | - | - | - | Sep 2025 | $19.33M | ||
| Darby Power, LLC | Mount Sterling, OH | Independent Power Producer | 1 | 553.9 GWh | Dec 2025 | Oct 2025 | $19.37M | |
| Essential Power Rock Springs, LLC | Charlotte, NC | - | - | - | Sep 2025 | $19.42M | ||
| Exxonmobil Beaumont Complex | Spring, TX | - | - | - | Oct 2025 | $19.77M | ||
| Metcalf Energy Center, LLC | Houston, TX | - | - | - | Oct 2025 | $19.82M | ||
| Cottonwood Energy Co LP | Deweyville, TX | Independent Power Producer | 1 | 11.7 TWh | May 2026 | Oct 2025 | $20.03M | |
| Bowline, LLC | The Woodlands, TX | Independent Power Producer | 1 | 1.9 TWh | May 2026 | Sep 2025 | $20.09M | |
| Seneca Generation LLC | Warren, PA | Independent Power Producer | 1 | -366.7 GWh | May 2026 | Oct 2025 | $20.14M | |
| Calpine Mid-Merit LLC | Houston, TX | Independent Power Producer | 1 | 9.7 TWh | May 2026 | Oct 2025 | $20.19M | $17.00k |
| United Illuminating Co | Orange, CT | Investor-Owned Utility | 3 | 55.7 GWh | May 2026 | Sep 2025 | $20.21M | $64.93M |
| BIF III Holtwood LLC | Queensbury, NY | Independent Power Producer | 1 | 921.7 GWh | Dec 2025 | Sep 2025 | $20.21M | |
| Phillips 66 Energy Trading LLC | Houston, TX | - | - | - | Oct 2025 | $20.22M | $12.81M | |
| Granite Ridge Energy LLC | Londonderry, NH | Independent Power Producer | 1 | 4.1 TWh | May 2026 | Oct 2025 | $20.26M | |
| AES Integrated Energy, LLC | Long Beach, CA | - | - | - | Sep 2025 | $20.44M | ||
| Tiverton Power LLC | Tiverton, RI | Independent Power Producer | 1 | 1.5 TWh | Dec 2025 | Sep 2025 | $20.48M | |
| Caithness Long Island, LLC | New York, NY | Independent Power Producer | 1 | 2.4 TWh | May 2026 | Sep 2025 | $20.54M | |
| Desert Quartzite LLC | San Francisco, CA | Independent Power Producer | 1 | 948.3 GWh | May 2026 | Oct 2025 | $20.55M | |
| Kendall Green Energy, LLC | Cambridge, MA | Independent Power Producer | 1 | 1.6 TWh | May 2026 | Sep 2025 | $20.57M | |
| WGP Redwood Holdings, LLC | Birmingham, AL | - | - | - | Sep 2025 | $20.66M | $20.66M | |
| Casco Bay Energy Co LLC | Veazie, ME | Independent Power Producer | 1 | 1.6 TWh | Dec 2025 | Sep 2025 | $20.76M | |
| IDT Energy, Inc. | Brooklyn, NY | - | - | - | Oct 2025 | $20.89M | $45.83M | |
| Troy Energy LLC | Luckey, OH | Independent Power Producer | 1 | 1.4 TWh | Dec 2025 | Sep 2025 | $20.93M | |
| Harquahala Sun 2, LLC | Dana Point, CA | - | - | - | Sep 2025 | $20.95M | ||
| Brookfield White Pine Hydro LLC | Lewiston, ME | Independent Power Producer | 19 | 1.3 TWh | Dec 2025 | Sep 2025 | $21.37M | |
| Hudson Transmission Partners, LLC | Fairfield, CT | - | - | - | Sep 2025 | $21.71M | ||
| Chief Keystone Power, LLC | Birmingham, AL | - | - | - | Oct 2025 | $21.73M | ||
| Performance Materials Na, Inc. | Plaquemine, LA | - | - | - | Oct 2025 | $21.77M | ||
| Roseton Generating LLC | Stamford, CT | - | - | - | Oct 2025 | $21.82M | ||
| Green Country Energy, LLC | Columbus, OH | - | - | - | Jun 2025 | $21.83M | ||
| Sustaining Power Solutions LLC | Houston, TX | - | - | - | Oct 2025 | $21.86M | ||
| Shawville Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Oct 2025 | $21.86M | |
| NRG Cottonwood Tenant LLC | Princeton, NJ | - | - | - | Jun 2025 | $22.06M | ||
| Brookfield Smoky Mountain Hydropower LP | Queensbury, NY | Independent Power Producer | 4 | 1.4 TWh | Dec 2025 | Sep 2025 | $22.10M | |
| South Fork Wind, LLC | Minneapolis, MN | Independent Power Producer | 1 | 58.6 GWh | Dec 2025 | Sep 2025 | $22.46M | |
| Sentinel Energy Center LLC | Desert Hot Springs, CA | Independent Power Producer | 1 | 132.3 GWh | May 2026 | Oct 2025 | $22.72M | |
| Carlsbad Energy Center LLC | Houston, TX | - | - | - | Sep 2025 | $22.81M | ||
| ARON Energy Prepay 41 LLC | New York, NY | - | - | - | Sep 2025 | $22.95M | $22.95M | |
| Bridgeport Energy LLC | Bridgeport, CT | Independent Power Producer | 1 | 2.8 TWh | May 2026 | Sep 2025 | $23.16M | |
| Waterford Power, LLC | Waterford, OH | Independent Power Producer | 1 | 6.6 TWh | May 2026 | 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 | 3.6 TWh | May 2026 | Oct 2025 | $23.60M | |
| Vermillion Power LLC | Greenwich, CT | Independent Power Producer | 1 | 1.4 TWh | Dec 2025 | Oct 2025 | $23.62M | |
| Arizona Public Service Co | Phoenix, AZ | Investor-Owned Utility | 30 | 55.3 TWh | May 2026 | Oct 2025 | $24.68M | $234.49M |
| AGUA Caliente Solar | Dateland, AZ | Independent Power Producer | 1 | 568.9 GWh | May 2026 | Sep 2025 | $24.76M | |
| AES Alamitos Energy, LLC | Long Beach, CA | Independent Power Producer | 1 | 1.2 TWh | May 2026 | 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 | 4.3 TWh | May 2026 | Sep 2025 | $25.28M | $13.33k |
| Av Solar Ranch 1 LLC | Baltimore, MD | Independent Power Producer | 1 | 618.2 GWh | May 2026 | 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 | 11.5 TWh | May 2026 | 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 | May 2026 | Sep 2025 | $26.44M | |
| Essential Power Newington, LLC | Charlotte, NC | - | - | - | Sep 2025 | $26.68M | ||
| Google Energy LLC | Mountain VIew, CA | - | - | - | Oct 2025 | $26.89M | $83.45M | |
| Nstar Electric Company | Westwood, MA | Investor-Owned Utility | 17 | 61.3 GWh | May 2026 | Oct 2025 | $27.02M | $57.43M |
| Ocean State Power Co | Harrisville, RI | Independent Power Producer | 2 | 1.7 TWh | Dec 2025 | Sep 2025 | $27.03M | |
| Tenaska Gateway Partners Ltd | Omaha, NE | Independent Power Producer | 1 | 4.9 TWh | May 2026 | Oct 2025 | $27.20M | |
| McCoy Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 671.7 GWh | Dec 2025 | Sep 2025 | $27.30M | |
| Solar Star California XX, LLC | Rosamond, CA | Independent Power Producer | 1 | 818.4 GWh | May 2026 | 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 | 707.2 GWh | May 2026 | Sep 2025 | $27.93M | |
| Manchester Street, LLC. | Providence, RI | Independent Power Producer | 1 | 2.3 TWh | May 2026 | Sep 2025 | $28.13M | |
| 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 | ||
| Dow Chemical Co | Wilmington, DE | |Independent Power Producer|Industrial | 8 | 14.6 TWh | May 2026 | 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 | -144.4 GWh | May 2026 | Jul 2025 | $29.54M | |
| Oswego Harbor Power | Oswego, NY | Independent Power Producer | 1 | 130.8 GWh | Feb 2026 | 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 | 6.5 TWh | May 2026 | Oct 2025 | $29.88M | $755.43 |
| Massachusetts Electric Co | Brooklyn, NY | Investor-Owned Utility | 3 | 3.9 GWh | Dec 2025 | Oct 2025 | $29.93M | $75.60M |
| Otter Tail Power Co | Fergus Falls, MN | Investor-Owned Utility | 21 | 6.5 TWh | May 2026 | Oct 2025 | $30.22M | $869.20k |
| Delta Energy Center LLC | Pittsburg, CA | Independent Power Producer | 1 | 3.7 TWh | May 2026 | Oct 2025 | $30.67M | |
| Arlington Valley LLC | Pleasanton, CA | Independent Power Producer | 1 | 3.5 TWh | May 2026 | Sep 2025 | $30.75M | $9.17M |
| AES Huntington Beach LLC | Huntington Beach, CA | Independent Power Producer | 2 | 1.8 TWh | May 2026 | Sep 2025 | $31.40M | |
| Salem Harbor Power Development LP | Salem, MA | Independent Power Producer | 2 | 1.7 TWh | May 2026 | Sep 2025 | $31.83M | |
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 20 | 939.1 GWh | May 2026 | 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 | 3.2 TWh | May 2026 | Oct 2025 | $32.75M | |
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.0 TWh | May 2026 | 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 | 18.0 TWh | May 2026 | 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 | 1.0 TWh | May 2026 | Oct 2025 | $34.87M | |
| Calpine Mid-Merit II, LLC | Houston, TX | - | - | - | Oct 2025 | $35.19M | $17.67k | |
| Rolling Hills Generating LLC | Wilkesville, OH | Independent Power Producer | 1 | 2.2 TWh | Dec 2025 | Oct 2025 | $35.26M | |
| Dow Pipeline, LLC | Houston, TX | - | - | - | Sep 2025 | $35.27M | ||
| CXA La Paloma LLC | Plano, TX | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Oct 2025 | $35.49M | |
| AES Alamitos LLC | Long Beach, CA | Independent Power Producer | 1 | 25.5 GWh | Jan 2026 | Sep 2025 | $35.61M | |
| Birdsboro Power LLC | Birdsboro, PA | Independent Power Producer | 1 | 3.4 TWh | May 2026 | Oct 2025 | $35.81M |
Top Power Plants in United States
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Arkansas Nuclear One | Russellville, Arkansas | 14 TWh | Nov 1974 | May 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | May 2026 | Natural Gas : 97.1% Bituminous Coal : 2.9% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | May 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | May 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | May 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | May 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | May 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | May 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | May 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | May 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | May 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | May 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | May 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | May 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | May 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | May 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | May 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | May 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | May 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | May 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | May 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | May 2026 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | May 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | May 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 18 TWh | Dec 1983 | May 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | May 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | May 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | May 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | May 2026 | Subbituminous Coal : 75.2% Bituminous Coal : 15.7% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | May 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | May 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | May 2026 | Lignite Coal : 99.1% Natural Gas : 0.9% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | May 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | May 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | May 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | May 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | May 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | May 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | May 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 17 TWh | Jun 1981 | May 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | May 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | May 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | May 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | May 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | May 2026 | Nuclear : 64.2% Natural Gas : 35.8% |
| Union Power Station | El Dorado, Arkansas | 12 TWh | Dec 2002 | May 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | May 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | May 2026 | Subbituminous Coal : 81.6% Natural Gas : 18.4% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | May 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | May 2026 | Natural Gas |