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 |
|---|---|---|---|---|---|---|---|---|
| Sikorsky Aircraft Corporation | Stratford, CT | Industrial | 1 | 70.1 GWh | Dec 2025 | - | ||
| McCallum Enterprises I LP | Stratford, CT | Independent Power Producer | 1 | 25.3 GWh | Dec 2025 | - | ||
| Town Of Stowe - (VT) | Stowe, VT | Municipally-Owned Utility | 1 | 1.2 GWh | Dec 2025 | - | ||
| Hamilton Wind Energy LLC | Story City, IA | Independent Power Producer | 1 | 5.6 GWh | Dec 2025 | - | ||
| City Of Story City - (Ia) | Story City, IA | Municipally-Owned Utility | 1 | 322.2 MWh | Dec 2025 | - | ||
| University Of Connecticut | Storrs, CT | State-Owned Utility | 1 | 113.5 GWh | May 2026 | - | ||
| Doccs Greenhaven | Stormville, NY | Independent Power Producer | 1 | 6.3 GWh | Dec 2025 | - | ||
| Nissequoque Cogen Partners | Stonybrook, NY | Independent Power Producer | 1 | 315.7 GWh | Dec 2025 | - | ||
| Avalon Hydropower LLC | Stoneville, NC | Independent Power Producer | 1 | 2.9 GWh | May 2026 | - | ||
| City Of Stockton Mud - (Ca) | Stockton, CA | Municipally-Owned Utility | 1 | 4.2 GWh | Dec 2025 | - | ||
| Stillwater Utilities Authority | Stillwater, OK | Municipally-Owned Utility | 3 | 118.5 GWh | Dec 2025 | Sep 2025 | $6.92M | |
| Arthur Kill Power, LLC | Staten Island, NY | Independent Power Producer | 1 | 1.7 TWh | May 2026 | Sep 2025 | $56.70M | |
| Strandness Garden LLC | Starbuck, MN | Independent Power Producer | 1 | 1.6 GWh | Dec 2025 | - | ||
| Stanford University Power LLC | Stanford, CA | - | - | - | Oct 2025 | $1.27M | $1.99M | |
| Stamford Health Tully Health Center | Stamford, CT | Commercial | 1 | 5.5 GWh | Dec 2025 | - | ||
| Roseton Generating LLC | Stamford, CT | - | - | - | Oct 2025 | $21.82M | ||
| Power Holding LLC | Stamford, CT | - | - | - | Sep 2025 | $8.37M | ||
| Panda Solar NC 9, LLC | Stamford, CT | Independent Power Producer | 1 | 4.0 GWh | Dec 2025 | - | ||
| Panda Solar NC 8, LLC | Stamford, CT | Independent Power Producer | 1 | 2.4 GWh | Dec 2025 | - | ||
| Panda Solar NC 7 , LLC | Stamford, CT | Independent Power Producer | 1 | 2.6 GWh | Dec 2025 | - | ||
| Panda Solar NC 6, LLC | Stamford, CT | Independent Power Producer | 1 | 1.5 GWh | Dec 2025 | - | ||
| Panda Solar NC 5, LLC | Stamford, CT | Independent Power Producer | 1 | 1.6 GWh | Dec 2025 | - | ||
| Panda Solar NC 4, LLC | Stamford, CT | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| Panda Solar NC 3, LLC | Stamford, CT | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| Panda Solar NC 2, LLC | Stamford, CT | Independent Power Producer | 1 | 3.0 GWh | Dec 2025 | - | ||
| Panda Solar NC 11, LLC | Stamford, CT | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| Panda Solar NC 10, LLC | Stamford, CT | Independent Power Producer | 1 | 4.4 GWh | Dec 2025 | - | ||
| Panda Solar NC 1, LLC | Stamford, CT | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| Oak Solar LLC | Stamford, CT | Independent Power Producer | 1 | 281.7 GWh | May 2026 | Oct 2025 | $3.41M | |
| Hunlock Creek Generating LLC | Stamford, CT | - | - | - | Oct 2025 | $2.63M | ||
| Green Street Power Partners | Stamford, CT | Commercial | 48 | 241.0 GWh | Dec 2025 | - | ||
| Generation Bridge II Connecticut, LLC | Stamford, CT | Independent Power Producer | 2 | 3.7 TWh | May 2026 | - | ||
| GB II New York LLC | Stamford, CT | Independent Power Producer | 1 | 3.7 TWh | May 2026 | Oct 2025 | $72.87M | |
| Freepoint Commodities LLC | Stamford, CT | Independent Power Producer | 3 | - | - | Oct 2025 | $3.69M | $3.69M |
| FPS Coxsackie Solar LLC | Stamford, CT | Independent Power Producer | 1 | 8.6 GWh | Dec 2025 | - | ||
| Engelhart CTP (US) LLC | Stamford, CT | - | - | - | Oct 2025 | $2.88M | ||
| Danske Commodities US LLC | Stamford, CT | - | - | - | Sep 2025 | $11.51M | ||
| Cubico USA, LLC | Stamford, CT | Independent Power Producer | 8 | 1.2 TWh | May 2026 | - | ||
| Colice Hall Solar LLC | Stamford, CT | Independent Power Producer | 1 | 35.8 GWh | Dec 2025 | Oct 2025 | $470.93k | |
| Castleton Commodities Energy Trading LLC | Stamford, CT | - | - | - | Oct 2025 | $65.53M | $119.28k | |
| Castleton Commodities Energy Services LLC | Stamford, CT | - | - | - | Oct 2025 | $34.49M | $33.24M | |
| Astoria Generating Company, L.P. | Stamford, CT | Independent Power Producer | 3 | 962.0 GWh | Dec 2025 | Oct 2025 | $80.24M | |
| Altus Power America Management, LLC | Stamford, CT | Independent Power Producer | 242 | 861.9 GWh | May 2026 | - | ||
| AETS OPCO Holdings LLC | Stamford, CT | Independent Power Producer | 11 | 64.8 GWh | Dec 2025 | - | ||
| Town Of Stafford - (CT) | Stafford Springs, CT | Municipally-Owned Utility | 1 | 3.3 GWh | Dec 2025 | - | ||
| US Army Corps Of Engineers | St. Stephen, SC | Federally-Owned Utility | 1 | 179.0 GWh | Dec 2025 | - | ||
| Reworld Projects, LLC | St. Petersburg, FL | Commercial | 1 | 237.8 GWh | May 2026 | - | ||
| Duke Energy Florida, LLC | St. Petersburg, FL | Independent Power Producer|Investor-Owned Utility | 53 | 46.7 TWh | May 2026 | Sep 2025 | $17.46M | $17.05M |
| Titlow Garden LLC | St. Paul, MN | Independent Power Producer | 1 | 1.9 GWh | Dec 2024 | - | ||
| Preston Garden LLC | St. Paul, MN | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| MSC-Empire01, LLC | St. Paul, MN | Independent Power Producer | 1 | 2.0 GWh | Dec 2024 | - | ||
| Salt Creek Township Solar, LLC | St. Louis, MO | - | - | - | Sep 2025 | $1.52M | ||
| Richland Township Solar, LLC | St. Louis, MO | - | - | - | Jun 2025 | $1.30M | ||
| Osage Wind, LLC | St. Louis, MO | Independent Power Producer | - | - | - | Sep 2025 | $3.91M | |
| Legore Bridge Solar Center, LLC | St. Louis, MO | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Kimmel Road Solar, LLC | St. Louis, MO | - | - | - | Sep 2025 | $1.56M | ||
| Envoy Solar, LLC | St. Louis, MO | - | - | - | Sep 2025 | $1.75M | ||
| EARP Solar, LLC | St. Louis, MO | - | - | - | Sep 2025 | $1.24M | ||
| Centerstream STL, LLC | St. Louis, MO | Independent Power Producer | 1 | 20.2 GWh | Jan 2026 | Sep 2025 | $794.70k | |
| Birch Creek Power, LLC | St. Louis, MO | Independent Power Producer | 7 | 530.4 GWh | May 2026 | - | ||
| Biggs Ford Solar Center, LLC | St. Louis, MO | Independent Power Producer | 1 | 10.1 GWh | Dec 2025 | - | ||
| Altona Solar, LLC | St. Louis, MO | - | - | - | Sep 2025 | $1.03M | ||
| Truman Solar, LLC | St. Louis Park, MN | Independent Power Producer | - | 23.5 GWh | Dec 2024 | - | ||
| Huxley Solar, LLC | St. Louis Park, MN | Independent Power Producer | - | 10.6 GWh | Dec 2024 | - | ||
| Fresno Community Solar Developers, LLC | St. Louis Park, MN | Independent Power Producer | - | 15.4 GWh | Dec 2024 | - | ||
| Fairhaven Ma 1, LLC | St. Louis Park, MN | Independent Power Producer | - | 3.6 GWh | Dec 2024 | - | ||
| Crystal Farms Local Solar, LLC | St. Louis Park, MN | Independent Power Producer | - | 10.6 GWh | Dec 2024 | - | ||
| Celina Solar Project #1, LLC | St. Louis Park, MN | Independent Power Producer | 1 | 6.7 GWh | Dec 2025 | - | ||
| Beacon Solar, LLC | St. Louis Park, MN | Independent Power Producer | - | 8.7 GWh | Dec 2024 | - | ||
| AFTW Holdings, LLC | St. Louis Park, MN | Independent Power Producer | - | 12.5 GWh | Dec 2024 | - | ||
| Hood Container Of Louisiana, LLC | St. Francisville, LA | Industrial | 1 | 121.0 GWh | Dec 2024 | - | ||
| St. Cloud Hydroelectric Generation Facility | St. Cloud, MN | Municipally-Owned Utility | 1 | 49.0 GWh | Dec 2025 | - | ||
| LMS Energy USA LLC | St. Cloud, FL | Independent Power Producer | 1 | 37.1 GWh | Dec 2025 | - | ||
| Carolina Power Partners, LLC | St. Augustine, FL | Independent Power Producer | 1 | 3.8 TWh | May 2026 | Oct 2025 | $40.77M | $315.17k |
| Townsite Solar, LLC | St Thomas, VI | Independent Power Producer | 1 | 518.1 GWh | May 2026 | Oct 2025 | $7.67M | $2.27M |
| High Prairie Wind Farm II LLC | St Paul, MN | Independent Power Producer | 1 | 330.9 GWh | Dec 2025 | Sep 2025 | $3.17M | |
| Pleasants Energy LLC | St Marys, WV | Independent Power Producer | 1 | 1.8 TWh | May 2026 | Oct 2025 | $17.95M | |
| City Of St Marys - (Oh) | St Marys, OH | Municipally-Owned Utility | 1 | 474.1 MWh | Dec 2025 | - | ||
| Wallingford Energy LLC | St Louis, MO | Independent Power Producer | 1 | 109.5 GWh | Dec 2025 | Sep 2025 | $10.05M | |
| Union Electric Co - (Mo) | St Louis, MO | Investor-Owned Utility | 34 | 34.7 TWh | May 2026 | Oct 2025 | $687.14M | $457.50k |
| Solutia Inc-Indian | St Louis, MO | Industrial | 1 | 7.4 GWh | May 2026 | - | ||
| Anheuser-Busch Inc | St Louis, MO | Industrial | 3 | 119.9 GWh | May 2026 | - | ||
| Town Of Amherst Solar, LLC | St Louis Park, MN | Independent Power Producer | - | 4.1 GWh | Dec 2024 | - | ||
| Washington CNTY WTR Consv DIST | St George, UT | Political Subdivision | 1 | 7.9 GWh | May 2026 | - | ||
| City Of St George - (Ut) | St George, UT | Municipally-Owned Utility | 5 | 145.1 GWh | Dec 2025 | Sep 2025 | $3.49M | |
| Carville Energy LLC | St Gabriel, LA | Independent Power Producer | 1 | 3.0 TWh | May 2026 | Sep 2025 | $38.12M | |
| Twin Eagle Resource Management, LLC | Spring, TX | - | - | - | Oct 2025 | $6.31M | $2.22M | |
| Orion Engineered Carbons | Spring, TX | Industrial | 3 | 115.2 GWh | Dec 2025 | - | ||
| Lakeswind Power Partners | Spring, TX | Independent Power Producer | 1 | 174.8 GWh | Dec 2025 | Sep 2025 | $1.14M | |
| FCC Environmental | Spring, TX | Independent Power Producer | 1 | 488.2 GWh | May 2026 | - | ||
| Exxonmobil Beaumont Complex | Spring, TX | - | - | - | Oct 2025 | $19.77M | ||
| Exxonmobil Baton Rouge Complex | Spring, TX | - | - | - | Oct 2025 | $6.13M | ||
| City Of Springville - (Ut) | Springville, UT | Municipally-Owned Utility | 5 | 14.2 GWh | Dec 2025 | Jul 2019 | ||
| City Utilities Of Springfield - (Mo) | Springfield, MO | Municipally-Owned Utility | 5 | 2.4 TWh | May 2026 | Feb 2014 | ||
| Associated Electric Coop, Inc | Springfield, MO | Cooperative | 11 | 27.0 TWh | May 2026 | Oct 2025 | $102.40M | $35.00M |
| Heliovaas LLC | Springfield, MA | Commercial | 3 | 3.1 GWh | Dec 2025 | - | ||
| Prairie Power, Inc | Springfield, IL | Cooperative | 3 | 38.2 GWh | Dec 2025 | Oct 2025 | $4.26M | |
| Illinois Municipal Electric Agency | Springfield, IL | - | - | - | Oct 2025 | $31.97M | $8.41M | |
| City Of Springfield - (Il) | Springfield, CO | Municipally-Owned Utility | 6 | 1.0 TWh | May 2026 | Sep 2025 | $243.50k | |
| Springer Electric Coop, Inc | Springer, NM | Cooperative | 1 | 2.3 GWh | Dec 2025 | Sep 2025 | $3.71M |
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 |