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 |
|---|---|---|---|---|---|---|---|---|
| Sun Valley Solar LLC | Abbott, TX | Independent Power Producer | 1 | 621.0 GWh | May 2026 | - | ||
| Santa Paula Energy Storage, LLC | Aliso VIejo, CA | Independent Power Producer | 1 | -2.4 GWh | May 2026 | Sep 2025 | $277.00k | |
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 18 | 17.1 TWh | May 2026 | Oct 2025 | $231.47M | $98.95M |
| South Oak Hospital | Amityville, NY | Commercial | 1 | 7.7 GWh | Dec 2025 | - | ||
| Sand Point Generating, LLC | Anchorage, AK | Investor-Owned Utility | 1 | 3.9 GWh | Dec 2024 | - | ||
| Shasta Sustainable Resource Management, Inc. | Anderson, CA | Independent Power Producer | 1 | 314.7 GWh | May 2026 | Sep 2025 | $8.31M | |
| Sierra Pacific Industries | Anderson, CA | Commercial | 11 | 876.9 GWh | Dec 2025 | - | ||
| Seven Cowboy Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Oct 2025 | $1.72M | |
| Smoky Hills Wind Farm I LLC | Andover, MA | Independent Power Producer | 1 | 162.3 GWh | Dec 2025 | - | ||
| Smoky Hills Wind Farm, LLC | Andover, MA | - | - | - | Oct 2025 | $1.91M | ||
| Smoky Hills Wind Project II LLC | Andover, MA | Independent Power Producer | 1 | 254.1 GWh | Dec 2025 | Oct 2025 | $2.85M | |
| Stampede Solar Project LLC | Andover, MA | Independent Power Producer | 1 | 590.6 GWh | May 2026 | - | ||
| Salem Energy Systems LLC | ANN Arbor, MI | Investor-Owned Utility | - | 9.8 GWh | Dec 2024 | - | ||
| Scandia CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 4.1 GWh | Dec 2024 | - | ||
| School Sisters CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.8 GWh | Dec 2025 | - | ||
| SV CSG Afton I, LLC | Annapolis, MD | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| Shifting Sands Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 25.0 GWh | Dec 2025 | - | ||
| Snowden River Parkway, LLC | Arlington, VA | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| SRC Partnership 14 LLC | Arlington, VA | Independent Power Producer | 11 | 42.5 GWh | Dec 2025 | - | ||
| SRC Partnership 15 LLC | Arlington, VA | Independent Power Producer | 9 | 26.2 GWh | Dec 2025 | - | ||
| Sunny Rock Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 21.9 GWh | Dec 2025 | - | ||
| SV CSG Gardner 1 LLC | Arlington, VA | Independent Power Producer | 1 | 4.4 GWh | Dec 2025 | - | ||
| Sungen Sharon 1 LLC | Arundel, ME | Investor-Owned Utility | 1 | 2.4 GWh | Dec 2025 | - | ||
| Saw Solar, LLC | Asheville, NC | Independent Power Producer | - | 11.1 GWh | Dec 2024 | - | ||
| Scotch Bonnet Solar, LLC | Asheville, NC | Independent Power Producer | - | 6.7 GWh | Dec 2024 | - | ||
| Soluga Solar, LLC | Asheville, NC | Independent Power Producer | - | 6.4 GWh | Dec 2024 | - | ||
| Sonny Solar, LLC | Asheville, NC | - | - | - | Sep 2025 | $872.06k | ||
| Southwick Solar, LLC | Asheville, NC | Independent Power Producer | - | 6.1 GWh | Dec 2024 | - | ||
| Spring Hope Solar 3, LLC | Asheville, NC | Independent Power Producer | - | 5.8 GWh | Dec 2024 | - | ||
| Stanly Solar, LLC | Asheville, NC | Independent Power Producer | - | 104.6 GWh | Dec 2024 | Sep 2025 | $811.94k | |
| Stratford Solar Center, LLC | Asheville, NC | Independent Power Producer | 1 | 33.4 GWh | Dec 2025 | - | ||
| Sugar Solar, LLC | Asheville, NC | Independent Power Producer | - | 110.3 GWh | Dec 2024 | Sep 2025 | $1.19M | |
| Sun Farm VIII, LLC | Asheville, NC | Independent Power Producer | - | 8.1 GWh | Dec 2024 | - | ||
| Sapphire Sky Wind Energy LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $6.11M | ||
| Southeastern Solar Farm Fund, LLC | Atlanta, GA | Independent Power Producer | 4 | 18.4 GWh | Dec 2025 | - | ||
| Southern Power Co | Atlanta, GA | Investor-Owned Utility | 53 | 48.1 TWh | May 2026 | Sep 2025 | $195.58M | $6.65M |
| Solar Star California XL, LLC | Austin, TX | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $2.42M | |
| Solar Star Prime 4 LLC | Austin, TX | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Solar Star River SLB, LLC | Austin, TX | Independent Power Producer | 4 | 25.1 GWh | Dec 2025 | - | ||
| Sparta Solar, LLC | Austin, TX | Independent Power Producer | 1 | 525.4 GWh | May 2026 | - | ||
| San Gabriel Valley Mun WTR DT | Azusa, CA | Independent Power Producer | 1 | 1.2 GWh | Sep 2025 | - | ||
| Sowega Power LLC | Baconton, GA | Cooperative | 2 | 29.3 GWh | Dec 2025 | - | ||
| Salinas River Cogeneration Co | Bakersfield, CA | Industrial | 1 | 269.9 GWh | May 2026 | Sep 2015 | ||
| Sycamore Cogeneration Co | Bakersfield, CA | Industrial | 1 | 149.9 GWh | May 2026 | Sep 2015 | ||
| South Energy Investments LLC | Ballston Lake, NY | Independent Power Producer | 1 | 40.5 GWh | Dec 2025 | Sep 2025 | $690.03k | |
| Sacramento PV Energy, LLC | Baltimore, MD | Independent Power Producer | 4 | 40.7 GWh | Dec 2025 | - | ||
| Sendero Wind Energy, LLC | Baltimore, MD | Independent Power Producer | 1 | 295.6 GWh | Dec 2025 | - | ||
| Shooting Star Power Partners, LLC | Baltimore, MD | Independent Power Producer | 1 | 179.8 GWh | Dec 2025 | - | ||
| Shooting Star Wind Project, LLC | Baltimore, MD | - | - | - | Sep 2025 | $1.46M | ||
| Solar DG Ca Long Beach, LLC | Baltimore, MD | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| Solar DG NJ BEMS East, LLC | Baltimore, MD | Independent Power Producer | 1 | 2.1 GWh | Dec 2025 | - | ||
| Solar DG NJ BEMS West, LLC | Baltimore, MD | Independent Power Producer | 1 | 5.8 GWh | Dec 2025 | - | ||
| Solar DG Ny Sunnyside 1, LLC | Baltimore, MD | Independent Power Producer | 1 | 8.4 GWh | Dec 2025 | - | ||
| Solar DG Ny Sunnyside 2, LLC | Baltimore, MD | Independent Power Producer | 1 | 8.4 GWh | Dec 2025 | - | ||
| Solops 371 Hoes LLC | Baltimore, MD | Independent Power Producer | 1 | 1.9 GWh | Dec 2025 | - | ||
| SUNE GIL1, LLC | Baltimore, MD | Independent Power Producer | 1 | 1.8 GWh | Dec 2025 | - | ||
| Seneca Power Partners LP | Batavia, NY | Independent Power Producer | 1 | 17.6 GWh | Dec 2025 | Sep 2025 | $828.41k | |
| St Mary's Hospital | Bayside, NY | |Commercial | 3 | 60.4 GWh | May 2026 | - | ||
| Smith Creek Hydro, LLC | Bellingham, WA | Independent Power Producer | 1 | 87.2 GWh | Dec 2025 | Jul 2025 | $2.57M | |
| SUNE CPS3 LLC | Belmont, CA | Investor-Owned Utility | - | 7.6 GWh | Dec 2024 | - | ||
| Sunedison LLC | Belmont, CA | Independent Power Producer | 14 | 3.0 TWh | May 2026 | - | ||
| South Street Solar, LLC | Beltsville, MD | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| SUNE Alamosa1 LLC | Beltsville, MD | Independent Power Producer | 1 | 13.6 GWh | Dec 2025 | - | ||
| SUNE SEM 1, LLC | Beltsville, MD | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| SS San Antonio West LLC | Bethesda, MD | Independent Power Producer | 1 | 2.4 GWh | Dec 2025 | - | ||
| SUNE Corcoran SP Owner, LLC | Bethesda, MD | Independent Power Producer | 1 | 7.6 GWh | Dec 2025 | - | ||
| SUNE DB24 LLC | Bethesda, MD | Independent Power Producer | 1 | 7.3 GWh | Dec 2025 | - | ||
| SUNE DB27, LLC | Bethesda, MD | Independent Power Producer | 1 | 2.6 GWh | Dec 2025 | - | ||
| SUNE Solano SP Owner, LLC | Bethesda, MD | Independent Power Producer | 1 | 2.4 GWh | Dec 2025 | - | ||
| SUNE Solar XVI Lessor, LLC | Bethesda, MD | Independent Power Producer | 1 | 946.0 MWh | Dec 2025 | - | ||
| SUNE Solar Xvii Project 1, LLC | Bethesda, MD | Independent Power Producer | 1 | 7.6 GWh | Dec 2025 | - | ||
| SUNE Solar Xvii Project 2, LLC | Bethesda, MD | Independent Power Producer | 1 | 7.0 GWh | Dec 2025 | - | ||
| SUNE Solar Xvii Project 3, LLC | Bethesda, MD | Independent Power Producer | 1 | 7.8 GWh | Dec 2025 | - | ||
| SUNE Wasco SP Owner, LLC | Bethesda, MD | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| SG2 Imperial Valley LLC | Birmingham, AL | - | - | - | Sep 2025 | $12.71M | ||
| Skookumchuck Wind Energy Project, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.29M | ||
| Solar Partners XI, LLC | Birmingham, AL | - | - | - | Sep 2025 | $26.21M | ||
| South Cheyenne Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $4.14M | ||
| Southern Company Services, Inc. (As Agent) | Birmingham, AL | - | - | - | Oct 2025 | $146.97M | $6.27M | |
| Southern Electric Generating Company | Birmingham, AL | - | - | - | Sep 2025 | $70.70M | ||
| SP Butler Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.95M | ||
| SP Cimarron I, LLC | Birmingham, AL | - | - | - | Sep 2025 | $2.27M | ||
| SP Decatur Parkway Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.54M | ||
| SP Pawpaw Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $1.15M | ||
| SP Sandhills Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $5.32M | ||
| Sparta Energy, Inc | Birmingham, AL | - | - | - | Sep 2025 | $803.52k | ||
| Spartacus Energy Services, LLC | Birmingham, AL | - | - | - | Oct 2025 | $165.02k | $166.38k | |
| Spectrum Nevada Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.30M | ||
| Sunsea Energy, LLC | Birmingham, AL | - | - | - | Oct 2025 | $39.36k | ||
| Simplot Leasing Corp | Boise, ID | Industrial | 1 | 73.2 GWh | May 2026 | - | ||
| South Forks Joint Venture | Boise, ID | Independent Power Producer | 1 | 25.0 GWh | Oct 2025 | - | ||
| Sunray Energy 2, LLC | Boise, ID | Independent Power Producer | 1 | 57.4 GWh | Dec 2025 | Sep 2025 | $1.09M | |
| Sunray Energy 3 LLC | Boise, ID | Independent Power Producer | 1 | 39.0 GWh | Dec 2025 | Sep 2025 | $625.42k | |
| Samoset Solar, LLC | Boston, MA | Independent Power Producer | 1 | 4.1 GWh | Dec 2025 | - | ||
| Sampson Road Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.2 GWh | Dec 2025 | - | ||
| Sappi Fine Paper North America-Somerset | Boston, MA | Industrial | 1 | 615.1 GWh | May 2026 | - | ||
| Sequitur Renewables, LLC | Boston, MA | Independent Power Producer | 6 | 330.5 GWh | May 2026 | - | ||
| Serrano Solar, LLC | Boston, MA | Independent Power Producer | 1 | 470.8 GWh | May 2026 | Sep 2025 | $10.95M | |
| Settlers Solar, LLC | Boston, MA | Independent Power Producer | 1 | 7.7 GWh | Dec 2025 | - | ||
| Shaokatan Hills, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 13.3 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 |