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 |
|---|---|---|---|---|---|---|---|---|
| Constellation New Energy Inc. | New York, NY | Independent Power Producer | 1 | 169.0 GWh | May 2026 | Oct 2025 | $39.38M | $2.41B |
| Constellation Energy Generation, LLC | Baltimore, MD | - | - | - | Oct 2025 | $5.12B | $621.04M | |
| Calpine Energy Services, L.P. | Houston, TX | - | - | - | Oct 2025 | $1.20B | $583.84M | |
| Connecticut Light & Power Co | 2 | - | Dec 2002 | Oct 2025 | $91.89M | $313.42M | ||
| Calpine Energy Solutions, LLC | San Diego, CA | - | - | - | Oct 2025 | $109.93M | $233.66M | |
| Consumers Energy Co - (Mi) | Jackson, MI | Investor-Owned Utility | 40 | 26.8 TWh | May 2026 | Oct 2025 | $500.97M | $182.47M |
| Commonwealth Edison Company Of Indiana, Inc. | Oak Brook, IL | - | - | - | Oct 2025 | $12.80M | $84.52M | |
| Constellation Energy Commodities Group Maine, LLC | Baltimore, MD | - | - | - | Sep 2025 | $53.64M | $53.71M | |
| Consolidated Edison Company Of New York, Inc. | New York, NY | - | - | - | Oct 2025 | $10.67M | $47.90M | |
| Citigroup Energy Inc. | Houston, TX | - | - | - | Oct 2025 | $393.12M | $46.30M | |
| Central Maine Power Company | Orange, CT | - | - | - | Sep 2025 | $7.64M | $46.15M | |
| Conoco Phillips Alaska Inc | Rodeo, CA | |Industrial | 1 | - | Dec 2014 | Oct 2025 | $242.74M | $45.12M |
| CMS Energy Resource Management Company | ANN Arbor, MI | - | - | - | Oct 2025 | $76.32M | $37.24M | |
| Canal Marketing LLC | Houston, TX | - | - | - | Sep 2025 | $33.77M | $33.77M | |
| Castleton Commodities Energy Services LLC | Stamford, CT | - | - | - | Oct 2025 | $34.49M | $33.24M | |
| Cooperative Energy | Hattiesburg, MS | Cooperative | 9 | 11.1 TWh | May 2026 | Oct 2025 | $201.20M | $31.79M |
| Corn Belt Power Coop | Humboldt, IA | Cooperative | 2 | 4.0 GWh | Dec 2025 | Sep 2025 | $31.13M | |
| City Of Riverside - (Ca) | Riverside, CA | Municipally-Owned Utility | 3 | 22.3 GWh | Dec 2025 | Oct 2025 | $29.65M | |
| Cleanchoice Energy | Washington, DC | Independent Power Producer | 2 | 10.3 GWh | Dec 2025 | Oct 2025 | $43.73M | $27.35M |
| City & County Of San Francisco - (Ca) | San Francisco, CA | Municipally-Owned Utility | 7 | 1.3 TWh | May 2026 | Oct 2025 | $24.08M | |
| Calpine Community Energy, LLC | San Diego, CA | - | - | - | Oct 2025 | $11.85M | $23.49M | |
| COBB Electric Membership Corporation | Marietta, GA | Cooperative | 2 | 2.3 GWh | Dec 2025 | Sep 2025 | $6.08M | $18.36M |
| Cheyenne Light, Fuel And Power Company | Rapid City, SD | - | - | - | Sep 2025 | $4.20M | $14.37M | |
| CPV Retail Energy LP | Silver Spring, MD | - | - | - | Oct 2025 | $13.94M | $13.26M | |
| Central Iowa Power Cooperative | Cedar Rapids, IA | Cooperative | 3 | 117.5 GWh | Dec 2025 | Oct 2025 | $13.00M | |
| City Of Coffeyville - (KS) | Coffeyville, KS | Municipally-Owned Utility | 2 | 107.2 GWh | Dec 2025 | Sep 2025 | $9.83M | |
| City Of Santa Clara - (Ca) | Santa Clara, CA | Municipally-Owned Utility | 7 | 946.2 GWh | May 2026 | Sep 2025 | $8.72M | |
| Cloverland Electric Co-Op | Dafter, MI | Cooperative | 4 | 204.6 GWh | Dec 2025 | Sep 2025 | $7.06M | |
| City Of Farmington - (NM) | Farmington, NM | Municipally-Owned Utility | 3 | 540.0 GWh | May 2026 | Sep 2025 | $5.90M | |
| City Of Marshfield - (Wi) | Marshfield, WI | Municipally-Owned Utility | 1 | 19.1 GWh | Dec 2025 | Sep 2025 | $5.32M | |
| City Of VIneland - (NJ) | Vineland, NJ | Municipally-Owned Utility | 3 | 138.9 GWh | May 2026 | Sep 2025 | $4.89M | |
| Cimarron Wind Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 369.9 GWh | Apr 2026 | Oct 2025 | $8.59M | $4.60M |
| Calpeak Power, LLC | San Diego, CA | Independent Power Producer | 6 | 36.2 GWh | May 2026 | Oct 2025 | $4.32M | $4.32M |
| Calpine Construction Fin Co LP | 1 | - | Nov 2003 | Oct 2025 | $28.72M | $3.93M | ||
| Central Hudson Gas & ELEC Corp | Poughkeepsie, NY | Investor-Owned Utility | 5 | 73.5 GWh | Dec 2025 | Oct 2025 | $2.58M | $3.89M |
| Castleton Commodities Merchant Trading L.P. | Houston, TX | - | - | - | Oct 2025 | $7.89M | $3.61M | |
| City Of Glendale - (Ca) | Glendale, CA | Municipally-Owned Utility | 3 | 8.6 GWh | May 2026 | Sep 2025 | $3.53M | |
| City Of St George - (Ut) | St George, UT | Municipally-Owned Utility | 5 | 145.1 GWh | Dec 2025 | Sep 2025 | $3.49M | |
| Coachella Hills Wind, LLC | New York, NY | - | - | - | Oct 2025 | $3.00M | $3.36M | |
| Consolidated Water Power Co | Wisconsin Rapids, WI | Investor-Owned Utility | 5 | 168.6 GWh | Dec 2025 | Oct 2025 | $3.18M | |
| City Of Roseville - (Ca) | Roseville, CA | Municipally-Owned Utility | 2 | 505.7 GWh | May 2026 | Sep 2025 | $2.13M | |
| City Of Pasadena - (Ca) | Pasadena, CA | Municipally-Owned Utility | 3 | 133.3 GWh | Dec 2025 | Sep 2025 | $1.59M | |
| City Of Columbia - (Mo) | Columbia, MO | Municipally-Owned Utility | 2 | 80.0 GWh | Dec 2025 | Sep 2025 | $1.46M | |
| City Of Tallahassee - (FL) | Tallahassee, FL | Municipally-Owned Utility | 4 | 3.2 TWh | May 2026 | Sep 2025 | $1.33M | |
| City Of Grand Island - (Ne) | Grand Island, NE | Municipally-Owned Utility | 3 | 464.6 GWh | Dec 2025 | Oct 2025 | $1.06M | |
| C.N. Brown Electricity, LLC | South Paris, ME | - | - | - | Sep 2025 | $37.52k | $1.01M | |
| City Of Martinsville - (Va) | Martinsville, VA | Municipally-Owned Utility | 2 | 282.0 MWh | May 2026 | Sep 2025 | $896.37k | |
| Cubico Crooked Run Lessee, LLC | Austin, TX | - | - | - | Sep 2025 | $1.78M | $775.95k | |
| Champion Energy Marketing LLC | Houston, TX | - | - | - | Oct 2025 | $5.60M | $747.08k | |
| Capital Power Corporation | Edmonton, AB | Independent Power Producer | 8 | 154.5 GWh | Dec 2025 | Sep 2025 | $723.47k | |
| City Of Chanute (KS) | Chanute, KS | Municipally-Owned Utility | 3 | 89.1 GWh | Dec 2025 | Sep 2025 | $699.93k | |
| City Of Geneva - (Il) | Geneva, IL | Municipally-Owned Utility | 1 | 13.6 GWh | Dec 2025 | Sep 2025 | $681.58k | |
| City Of Barron - (Wi) | Barron, WI | Municipally-Owned Utility | 1 | 417.0 MWh | Dec 2025 | Sep 2025 | $678.96k | |
| Curators Of The University Of Missouri | Columbia, MO | State-Owned Utility | 1 | 217.0 GWh | May 2026 | Sep 2025 | $614.67k | |
| Cubico Huntley Lessee, LLC | Austin, TX | - | - | - | Sep 2025 | $1.97M | $600.00k | |
| Cataract Coast, LLC | Orinda, CA | - | - | - | Oct 2025 | $226.84k | $578.40k | |
| City Of IOLA - (KS) | IOLA, KS | Municipally-Owned Utility | 1 | 641.5 MWh | Dec 2025 | Sep 2025 | $499.11k | |
| City Of North Little Rock - (Ar) | North Little Rock, AR | Municipally-Owned Utility | 1 | 131.8 GWh | Dec 2025 | Sep 2025 | $464.68k | |
| City Of Centralia - (Wa) | Centralia, WA | Municipally-Owned Utility | 1 | 35.1 GWh | Dec 2025 | Sep 2025 | $399.50k | |
| Calpine Mid-Atlantic Generation LLC | Houston, TX | Independent Power Producer | 8 | 2.7 TWh | May 2026 | Oct 2025 | $43.35M | $361.64k |
| Carolina Power Partners, LLC | St. Augustine, FL | Independent Power Producer | 1 | 3.8 TWh | May 2026 | Oct 2025 | $40.77M | $315.17k |
| City Power & Gas, LLC | Birmingham, AL | - | - | - | Oct 2025 | $28.95k | $311.23k | |
| City Of Industry - (Ca) | City Of Industry, CA | Municipally-Owned Utility | 1 | 1.4 GWh | Dec 2025 | Sep 2025 | $288.78k | |
| City Of Princeton - (Il) | Princeton, IL | Municipally-Owned Utility | 1 | 851.9 MWh | Dec 2025 | Oct 2025 | $249.89k | |
| City Of Springfield - (Il) | Springfield, CO | Municipally-Owned Utility | 6 | 1.0 TWh | May 2026 | Sep 2025 | $243.50k | |
| Calpine Fore River Energy Center, LLC | North Weymouth, MA | Independent Power Producer | 1 | 3.0 TWh | May 2026 | Oct 2025 | $15.56M | $167.57k |
| City Of Lakeland - (FL) | Lakeland, FL | Municipally-Owned Utility | 3 | 2.2 TWh | May 2026 | Apr 2025 | $144.00k | |
| Caterpillar Inc | Lafayette, IN | Independent Power Producer | 1 | 19.9 GWh | May 2026 | Oct 2025 | $135.00k | |
| Castleton Commodities Energy Trading LLC | Stamford, CT | - | - | - | Oct 2025 | $65.53M | $119.28k | |
| CCFC Sutter Energy, LLC | Houston, TX | - | - | - | Oct 2025 | $4.02M | $59.13k | |
| City Of Falls City - (Ne) | Falls City, NE | Municipally-Owned Utility | 1 | 530.6 MWh | Dec 2025 | Sep 2025 | $56.47k | |
| Calpine New Jersey Generation LLC | Houston, TX | Independent Power Producer | 8 | 162.7 GWh | Dec 2025 | Oct 2025 | $3.40M | $20.93k |
| City Of Burbank Water And Power - (Ca) | Burbank, CA | Municipally-Owned Utility | 6 | 1.3 TWh | May 2026 | Sep 2025 | $17.76k | |
| Calpine Mid-Merit II, LLC | Houston, TX | - | - | - | Oct 2025 | $35.19M | $17.67k | |
| Calpine Mid-Merit LLC | Houston, TX | Independent Power Producer | 1 | 9.7 TWh | May 2026 | Oct 2025 | $20.19M | $17.00k |
| City Of Crystal Falls - (Mi) | Crystal Falls, MI | Municipally-Owned Utility | 1 | 5.7 GWh | Dec 2025 | Sep 2025 | $15.26k | |
| Clear Power LLC | Folsom, CA | - | - | - | Sep 2025 | $728.48k | $11.50k | |
| Condon Wind Power, LLC | Duluth, MN | - | - | - | Sep 2025 | $608.45k | $7.50k | |
| City Of Escondido - (Ca) | Escondido, CA | Municipally-Owned Utility | 1 | 1.1 GWh | Aug 2025 | Oct 2025 | $5.79k | |
| Calpine Bethlehem LLC | Houston, TX | Independent Power Producer | 1 | 6.5 TWh | May 2026 | Oct 2025 | $29.88M | $755.43 |
| City Of Idaho Falls - (Id) | Idaho Falls, ID | Municipally-Owned Utility | 6 | 261.2 GWh | Dec 2025 | May 2025 | $500 | |
| C-Drop | Ivins, UT | Independent Power Producer | 1 | 1.5 GWh | Aug 2025 | - | ||
| C&H Sugar Company Inc | Crockett, CA | Industrial | 1 | 40.5 GWh | Apr 2026 | - | ||
| C-S Canal Hydro, LLC | New York, NY | Independent Power Producer | 2 | 15.1 GWh | Dec 2025 | - | ||
| C2 Ma Lakeville, LLC | New York, NY | Independent Power Producer | 1 | 3.2 GWh | Dec 2025 | - | ||
| C2 Starratt Solar LLC | New York, NY | Independent Power Producer | 1 | 8.7 GWh | Dec 2025 | - | ||
| Ca Flats Solar 130, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $7.48M | ||
| Ca Flats Solar 150, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $6.66M | ||
| Ca Odevi LLC | Petaluma, CA | Independent Power Producer | 1 | 2.7 GWh | Dec 2025 | - | ||
| Caballero Ca Storage LLC | Houston, TX | Independent Power Producer | 1 | -24.8 GWh | May 2026 | Oct 2025 | $6.75M | |
| Cabazon Wind Partners, LLC | Houston, TX | - | - | - | Oct 2025 | $173.18k | ||
| Cabin Creek Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 176.8 GWh | May 2026 | Sep 2025 | $1.93M | |
| Caddo Wind, LLC | Duluth, MN | - | - | - | Oct 2025 | $1.21M | ||
| Caden Energix Axton LLC | Arlington, VA | Independent Power Producer | 1 | 133.4 GWh | May 2026 | Oct 2025 | $2.34M | |
| Caden Energix Endless Caverns, LLC | Arlington, VA | Independent Power Producer | 1 | 61.6 GWh | May 2026 | Oct 2025 | $1.52M | |
| Caden Energix Hickory LLC | Arlington, VA | Independent Power Producer | 1 | 62.5 GWh | May 2026 | Oct 2025 | $1.69M | |
| Caden Energix Pamplin LLC | Arlington, VA | Independent Power Producer | 1 | 31.8 GWh | Dec 2025 | - | ||
| Caden Energix Rives Road LLC | Arlington, VA | Independent Power Producer | 1 | 30.4 GWh | Dec 2025 | - | ||
| Caden Energix Wytheville LLC | Arlington, VA | Independent Power Producer | 1 | 39.3 GWh | Dec 2025 | - | ||
| Cadence Solar Energy LLC | Chicago, IL | Industrial | 1 | 170.5 GWh | May 2026 | - |
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 |