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 |
|---|---|---|---|---|---|---|---|---|
| SR Clarksville, LLC | Nashville, TN | Independent Power Producer | 1 | 4.4 GWh | Dec 2025 | - | ||
| SR Clarksville II, LLC | Nashville, TN | Independent Power Producer | 1 | 10.4 GWh | Dec 2025 | - | ||
| SR Christiana, LLC | Nashville, TN | Independent Power Producer | 1 | 2.7 GWh | Dec 2025 | - | ||
| SR Cedar Springs, LLC | Nashville, TN | Independent Power Producer | 1 | 182.3 GWh | May 2026 | Sep 2025 | $1.29M | |
| SR Canadaville, LLC | Nashville, TN | Independent Power Producer | 1 | 36.8 GWh | Dec 2025 | Sep 2025 | $298.26k | |
| SR Camden, LLC | Nashville, TN | Independent Power Producer | 1 | 28.2 GWh | May 2026 | - | ||
| SR Byhalia, LLC | Nashville, TN | Independent Power Producer | 1 | 10.3 GWh | Dec 2025 | - | ||
| SR Brownsville, LLC | Nashville, TN | Independent Power Producer | 1 | 1.9 GWh | Dec 2025 | - | ||
| SR Bolivar, LLC | Nashville, TN | Independent Power Producer | 1 | 7.0 GWh | Dec 2025 | - | ||
| SR Blount, LLC | Nashville, TN | Independent Power Producer | 1 | 707.0 MWh | Dec 2025 | - | ||
| SR Bell Buckle, LLC | Nashville, TN | Independent Power Producer | 1 | 77.8 GWh | May 2026 | Jun 2025 | $417.67k | |
| SR Baxley, LLC | Nashville, TN | Independent Power Producer | 1 | 60.9 GWh | May 2026 | Jun 2025 | $436.50k | |
| SR Arlington, LLC | Nashville, TN | Independent Power Producer | 1 | 48.8 GWh | Dec 2025 | Sep 2025 | $421.27k | |
| SR Arlington II MT, LLC | Nashville, TN | Independent Power Producer | 1 | 245.7 GWh | May 2026 | - | ||
| SR Arlington II, LLC | Nashville, TN | - | - | - | Sep 2025 | $1.75M | ||
| SR Ailey, LLC | Nashville, TN | Independent Power Producer | 1 | 202.2 GWh | May 2026 | Sep 2025 | $1.74M | |
| SPS Atwell Island LLC | Independent Power Producer | 1 | 35.3 GWh | Dec 2025 | - | |||
| Spruance Operating Services, LLC | Richmond, VA | - | - | - | Oct 2025 | $995.59k | ||
| Springer Electric Coop, Inc | Springer, NM | Cooperative | 1 | 2.3 GWh | Dec 2025 | Sep 2025 | $3.71M | |
| Springdale Energy LLC | Springdale, PA | Independent Power Producer | 2 | 5.0 TWh | May 2026 | Sep 2025 | $45.05M | |
| Spring Valley Wind LLC | Houston, TX | - | - | - | Sep 2025 | $8.89M | ||
| Spring Valley Pub Utils COMM | Spring Valley, MN | Municipally-Owned Utility | 1 | 242.7 MWh | Dec 2025 | - | ||
| Spring Street Solar 1, LLC | Princeton, NJ | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| Spring Hope Solar 3, LLC | Asheville, NC | Independent Power Producer | - | 5.8 GWh | Dec 2024 | - | ||
| Spring Hope Solar 2, LLC | El Segundo, CA | Independent Power Producer | 1 | 9.9 GWh | Dec 2025 | - | ||
| Spring Energy RRH, LLC | Brooklyn, NY | - | - | - | Sep 2025 | $241.97k | $189.89k | |
| Spring Canyon Expansion LLC | Scottsdale, AZ | Independent Power Producer | 1 | 112.6 GWh | Dec 2025 | - | ||
| Spring Canyon Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $1.59M | ||
| Spring Canyon Energy III LLC | Houston, TX | - | - | - | Sep 2025 | $822.66k | ||
| Spring Canyon Energy II LLC | Houston, TX | - | - | - | Sep 2025 | $877.79k | ||
| Spreckels Sugar Company | Brawley, CA | Industrial | 1 | 21.5 GWh | Dec 2024 | - | ||
| Sprague Hydro LLC | Ivins, UT | Independent Power Producer | 1 | 1.1 GWh | Dec 2025 | - | ||
| SPPW1, LLC | Omaha, NE | Independent Power Producer | 1 | 26.5 GWh | Dec 2025 | - | ||
| Spotlight Power LLC | Houston, TX | - | - | - | Oct 2025 | $10.00M | $8.91M | |
| Spinning Spur Wind LLC | Phoenix, AZ | - | - | - | Jul 2025 | $3.89M | ||
| Spica Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| SPG Il Hurricane Creek Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 4.4 GWh | Dec 2025 | - | ||
| SPG Il Brush Creek I Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 4.1 GWh | Dec 2025 | - | ||
| Speedway Solar, LLC | New York, NY | Independent Power Producer | 1 | 379.1 GWh | May 2026 | Sep 2025 | ||
| Spectrum Solar LLC | Independent Power Producer | 1 | 11.3 GWh | Dec 2025 | - | |||
| Spectrum Nevada Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.30M | ||
| Spearville 3, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $1.41M | ||
| Spartanburg Commissioners PW | Spartanburg, SC | Municipally-Owned Utility | 1 | 863.0 MWh | May 2026 | - | ||
| Spartan Renewable Energy, Inc. | Cadillac, MI | - | - | - | Sep 2025 | $132.65k | $1.56M | |
| Spartacus Energy Services, LLC | Birmingham, AL | - | - | - | Oct 2025 | $165.02k | $166.38k | |
| Sparta Solar, LLC | Austin, TX | Independent Power Producer | 1 | 525.4 GWh | May 2026 | - | ||
| Sparta Energy, Inc | Birmingham, AL | - | - | - | Sep 2025 | $803.52k | ||
| Spark Energy, LLC | Houston, TX | - | - | - | Oct 2025 | $70.59k | ||
| Spanish Peaks Solar LLC | Boulder, CO | Independent Power Producer | 1 | 391.5 GWh | May 2026 | Sep 2025 | $2.23M | |
| Spanish Fork Wind Park 2, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 43.1 GWh | Apr 2026 | - | ||
| SP Solar 5, LLC | Charlotte, NC | Independent Power Producer | - | 3.9 GWh | Dec 2024 | - | ||
| SP Sandhills Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $5.32M | ||
| SP Pawpaw Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $1.15M | ||
| SP Decatur Parkway Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.54M | ||
| SP Cimarron I, LLC | Birmingham, AL | - | - | - | Sep 2025 | $2.27M | ||
| SP Butler Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.95M | ||
| Sowega Power LLC | Baconton, GA | Cooperative | 2 | 29.3 GWh | Dec 2025 | - | ||
| Southwick Solar, LLC | Asheville, NC | Independent Power Producer | - | 6.1 GWh | Dec 2024 | - | ||
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 18 | 17.1 TWh | May 2026 | Oct 2025 | $231.47M | $98.95M |
| Southwestern Power Administration | Tulsa, OK | - | - | - | Oct 2025 | $1.59M | $4.24M | |
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 16 | 19.4 TWh | May 2026 | Sep 2025 | $40.06M | $10.95M |
| Southern Sky Renewable Energy Berkley, LLC | Jersey City, NJ | Independent Power Producer | 1 | 4.4 GWh | Dec 2025 | - | ||
| Southern Power Co | Atlanta, GA | Investor-Owned Utility | 53 | 48.1 TWh | May 2026 | Sep 2025 | $195.58M | $6.65M |
| Southern Minnesota Mun P AGNY | Rochester, MN | Political Subdivision | 5 | 39.1 GWh | Dec 2025 | - | ||
| Southern Minnesota Beet Sugar | Renville, MN | Industrial | 1 | 27.6 GWh | May 2026 | - | ||
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.0 TWh | May 2026 | Oct 2025 | $33.22M | $8.35M |
| Southern Illinois University Carbondale | Carbondale, IL | State-Owned Utility | 1 | 9.6 GWh | May 2026 | - | ||
| Southern Illinois Power Coop | Marion, IL | Cooperative | 1 | 869.5 GWh | May 2026 | Oct 2025 | $3.69M | |
| Southern Idaho Solid Waste | Burley, ID | Political Subdivision | 1 | 28.7 GWh | Dec 2025 | - | ||
| Southern Electric Generating Company | Birmingham, AL | - | - | - | Sep 2025 | $70.70M | ||
| Southern Current One, LLC | Charlotte, NC | Independent Power Producer | - | 15.3 GWh | Dec 2024 | - | ||
| Southern Company Services, Inc. (As Agent) | Birmingham, AL | - | - | - | Oct 2025 | $146.97M | $6.27M | |
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 4.9 TWh | May 2026 | Oct 2025 | $370.58M | $970.69M |
| Southeastern Solar Farm Fund, LLC | Atlanta, GA | Independent Power Producer | 4 | 18.4 GWh | Dec 2025 | - | ||
| Southeastern Chester County Refuse AUTH | West Grove, PA | Municipally-Owned Utility | 1 | 2.0 GWh | Dec 2025 | - | ||
| Southeast Alaska Power Agency | Ketchikan, AK | Political Subdivision | 2 | 199.9 GWh | Dec 2025 | - | ||
| Southbridge Recycling And Disposal Park | Southbridge, MA | Independent Power Producer | 1 | 10.7 GWh | Dec 2025 | - | ||
| Southampton Solar, LLC | Richmond, VA | - | - | - | Jul 2025 | $2.34M | ||
| South Texas Electric Coop, Inc | Nursery, TX | Cooperative | 3 | 1.0 TWh | May 2026 | Apr 2025 | $187.20k | |
| South Sutter Water District | Trowbridge, CA | Independent Power Producer | 1 | 14.2 GWh | Dec 2025 | - | ||
| South Street Solar, LLC | Beltsville, MD | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| South San Joaquin IRR District | Manteca, CA | Political Subdivision | 1 | 4.0 GWh | Dec 2025 | - | ||
| South River Onsite Generation, LLC | Columbus, OH | - | - | - | Sep 2025 | $121.31k | ||
| South Point Energy Center LLC | Houston, TX | Independent Power Producer | 1 | 2.6 TWh | May 2026 | Oct 2025 | $11.22M | $0 |
| South Peak Wind LLC | Duluth, MN | - | - | - | Sep 2025 | $1.06M | ||
| South Oak Hospital | Amityville, NY | Commercial | 1 | 7.7 GWh | Dec 2025 | - | ||
| South Houston Green Power LLC | Texas City, TX | Industrial | 3 | 4.7 TWh | May 2026 | - | ||
| South Garden LLC | Minneapolis, MN | Independent Power Producer | 1 | 2.2 GWh | Dec 2025 | - | ||
| South Forks Joint Venture | Boise, ID | Independent Power Producer | 1 | 25.0 GWh | Oct 2025 | - | ||
| South Fork Wind, LLC | Minneapolis, MN | Independent Power Producer | 1 | 58.6 GWh | Dec 2025 | Sep 2025 | $22.46M | |
| South Field Energy, LLC | Boston, MA | Independent Power Producer | 1 | 8.7 TWh | May 2026 | Oct 2025 | $73.20M | |
| South Feather Water And Power Agency | Oroville, CA | Political Subdivision | 4 | 417.1 GWh | Dec 2025 | - | ||
| South Energy Investments LLC | Ballston Lake, NY | Independent Power Producer | 1 | 40.5 GWh | Dec 2025 | Sep 2025 | $690.03k | |
| South County Packing | King City, CA | Industrial | 1 | 9.4 GWh | Dec 2025 | - | ||
| South Cheyenne Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $4.14M | ||
| South Chestnut LLC | Portland, OR | - | - | - | Jun 2025 | $1.39M | ||
| South Carolina Public Service Authority | Moncks Corner, SC | State-Owned Utility | 16 | 19.7 TWh | May 2026 | Oct 2025 | $332.56M | $45.75M |
| South Carolina Genertg Co, Inc | Cayce, SC | Investor-Owned Utility | 1 | 2.7 TWh | May 2026 | - | ||
| South Carolina Generating Company, Inc. | Richmond, VA | - | - | - | Oct 2025 | $59.52M | ||
| South Boston Energy LLC | Cooperative | 1 | 385.3 GWh | Dec 2024 | - |
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 |