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 |
|---|---|---|---|---|---|---|---|---|
| Stillwater Associates | Clifton Park, NY | Independent Power Producer | - | 6.4 GWh | Dec 2023 | - | ||
| Stillwater Utilities Authority | Stillwater, OK | Municipally-Owned Utility | 3 | 146.1 GWh | Dec 2024 | Sep 2025 | $6.92M | |
| Stillwater Wind, LLC | Houston, TX | - | - | - | Sep 2025 | $1.71M | ||
| Stoneheart Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 4.1 GWh | Dec 2024 | - | ||
| Stoneray Power Partners, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $2.04M | ||
| Stony Creek Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $3.50M | ||
| Stony Creek Wind Farm Ny | Chicago, IL | Independent Power Producer | - | - | Dec 2016 | Oct 2025 | $3.95M | |
| Stored Solar J&We | West Enfield, ME | Independent Power Producer | 2 | 53.7 GWh | Jun 2025 | Mar 2023 | ||
| Stored Solar, LLC | New York, NY | - | - | - | Sep 2025 | $288.16k | ||
| Storey Bend Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 196.8 GWh | Dec 2025 | Sep 2025 | $1.88M | |
| Storey Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 316.3 GWh | Dec 2025 | Sep 2025 | $4.06M | |
| Storm Lake Power Partners I LLC | Duluth, MN | - | - | - | Sep 2025 | $282.67k | ||
| Storm Lake Power Partners II, LLC | Duluth, MN | - | - | - | Oct 2025 | $182.63k | ||
| Story County Wind, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $1.66M | ||
| STP Nuclear Operating Co | Wadsworth, TX | Municipally-Owned Utility | 1 | 23.8 TWh | Dec 2025 | - | ||
| Straight Garden LLC | Faribault, MN | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| Strandness Garden LLC | Starbuck, MN | Independent Power Producer | 1 | 1.6 GWh | Dec 2024 | - | ||
| Strata Manager, LLC | Durham, NC | Independent Power Producer | 142 | 1.3 TWh | Dec 2025 | - | ||
| Stratford Solar Center, LLC | Asheville, NC | Independent Power Producer | 1 | 33.6 GWh | Dec 2024 | - | ||
| Strauss Wind LLC | Carlsbad, CA | Independent Power Producer | 1 | 243.5 GWh | Dec 2025 | Oct 2025 | $1.92M | |
| Strawberry Water Users Assn | Payson, UT | Investor-Owned Utility | 2 | 15.3 GWh | Dec 2024 | - | ||
| Stream Energy New York, LLC | Princeton, NJ | - | - | - | Sep 2025 | $3.08k | ||
| Stream Energy Pennsylvania, LLC | Princeton, NJ | - | - | - | Oct 2025 | $2.47M | ||
| Streator-Cayuga Ridge Wind Power LLC | Portland, OR | - | - | - | Sep 2025 | $4.53M | ||
| Stryker 22, L.L.C. | Reno, NV | Independent Power Producer | 1 | -5.3 GWh | Dec 2025 | Oct 2025 | $1.78M | |
| Studenski Community Solar LLC | Schenectady, NY | Independent Power Producer | 1 | 2.0 GWh | Dec 2024 | - | ||
| Sturgeon Garden LLC | Minneapolis, MN | Independent Power Producer | 1 | 2.2 GWh | Dec 2024 | - | ||
| Stuttgart Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 160.5 GWh | Dec 2025 | Sep 2025 | $2.27M | |
| Sugar Creek Wind One LLC | Charlottesville, VA | Independent Power Producer | 1 | 651.5 GWh | Dec 2025 | Oct 2025 | $3.88M | |
| Sugar Hill Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 8.6 GWh | Dec 2024 | - | ||
| Sugar River Power LLC | Keene, NH | Independent Power Producer | 1 | 4.8 GWh | Dec 2024 | - | ||
| Sugar Run Solar, LLC | Westport, CT | Independent Power Producer | 1 | 9.6 GWh | Dec 2024 | - | ||
| Sugar Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 115.4 GWh | Dec 2025 | Sep 2025 | $1.19M | |
| Sullivan B Community Solar LLC | Safety Harbor, FL | Independent Power Producer | 1 | 3.3 GWh | Dec 2024 | - | ||
| Summer Energy Midwest, LLC | Houston, TX | - | - | - | Oct 2025 | $4.70M | ||
| Summer Solar LLC | Louisville, CO | - | - | - | Sep 2025 | $1.22M | ||
| Summit Farms Solar, LLC | Richmond, VA | - | - | - | Oct 2025 | $1.56M | ||
| Summit Water Nexus, Mount Holly, LLC | San Diego, CA | Independent Power Producer | 1 | 1.3 GWh | Dec 2024 | - | ||
| Sun City Project LLC | San Diego, CA | - | - | - | Sep 2025 | $2.55M | ||
| Sun E N7 Holdings LLC | Overland Park, KS | Independent Power Producer | 1 | 2.2 GWh | Dec 2024 | - | ||
| Sun Farm VIII, LLC | Asheville, NC | Independent Power Producer | 1 | 8.1 GWh | Dec 2024 | - | ||
| Sun Mountain Solar 1, LLC | San Francisco, CA | - | - | - | Oct 2025 | $3.11M | ||
| Sun Streams 2, LLC | Boston, MA | Independent Power Producer | 1 | 347.7 GWh | Dec 2025 | Sep 2025 | $1.57M | |
| Sun Streams Expansion, LLC | Boston, MA | Independent Power Producer | 1 | 647.2 GWh | Dec 2025 | Sep 2025 | $18.72M | |
| Sun Streams, LLC | Houston, TX | - | - | - | Sep 2025 | $6.23M | ||
| Sun Streams PVS, LLC | Boston, MA | Independent Power Producer | 1 | 520.5 GWh | Dec 2025 | Sep 2025 | $10.77M | |
| Sun Valley Solar LLC | Abbott, TX | Independent Power Producer | 1 | 583.4 GWh | Dec 2025 | - | ||
| Sunbury Generation LP | Shamokin Dam, PA | Independent Power Producer | 1 | 70.0 MWh | Dec 2024 | Oct 2025 | $536.49k | |
| Suncaster, LLC | Calgary, AB | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Suncoke Energy, Inc. | Knoxville, TN | Commercial | 3 | 732.6 GWh | Dec 2024 | - | ||
| SUNE Alamosa1 LLC | Beltsville, MD | Independent Power Producer | 1 | 13.8 GWh | Dec 2024 | - | ||
| SUNE AZ1, LLC | Prescott, AZ | Independent Power Producer | 1 | 23.9 GWh | Dec 2024 | - | ||
| SUNE AZ2, LLC | Cincinnati, OH | Independent Power Producer | 1 | 36.1 GWh | Dec 2024 | - | ||
| SUNE B9 Holdings, LLC | Lexington, NC | Independent Power Producer | 3 | 14.8 GWh | Dec 2024 | - | ||
| SUNE Beacon Site 2, LLC | San Francisco, CA | Independent Power Producer | - | - | - | Sep 2025 | $2.22M | |
| SUNE Beacon Site 5, LLC | San Francisco, CA | Independent Power Producer | - | - | - | Sep 2025 | $1.80M | |
| SUNE Corcoran SP Owner, LLC | Bethesda, MD | Independent Power Producer | 1 | 7.2 GWh | Dec 2024 | - | ||
| SUNE CPA CDC1 LLC | Blythe, CA | Independent Power Producer | 1 | 1.5 GWh | Dec 2024 | - | ||
| SUNE CPA CDC2 LLC | Blythe, CA | Independent Power Producer | 1 | 1.1 GWh | Dec 2024 | - | ||
| SUNE CPS1 LLC | New York, NY | Independent Power Producer | 1 | 5.1 GWh | Dec 2024 | - | ||
| SUNE CPS2 LLC | New York, NY | Independent Power Producer | 1 | 7.4 GWh | Dec 2024 | - | ||
| SUNE CPS3 LLC | New York, NY | Independent Power Producer | 1 | 7.6 GWh | Dec 2024 | - | ||
| SUNE DB24 LLC | Bethesda, MD | Independent Power Producer | 1 | 7.3 GWh | Dec 2024 | - | ||
| SUNE DB27, LLC | Bethesda, MD | Independent Power Producer | 1 | 2.7 GWh | Dec 2024 | - | ||
| SUNE DB42, LLC | Boston, MA | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| SUNE EPE1 LLC | Boston, MA | Independent Power Producer | 1 | 28.9 GWh | Dec 2024 | - | ||
| SUNE EPE2, LLC | Cincinnati, OH | Independent Power Producer | 1 | 31.1 GWh | Dec 2024 | - | ||
| SUNE GIL1, LLC | Baltimore, MD | Independent Power Producer | 1 | 1.4 GWh | Dec 2024 | - | ||
| SUNE M5 Holdings LLC | Fairfield, CA | Independent Power Producer | 2 | 2.0 GWh | Dec 2024 | - | ||
| SUNE NC Progress 1 LLC | New York, NY | Independent Power Producer | 1 | 1.2 GWh | Dec 2024 | - | ||
| SUNE NLB-2, LLC | New York, NY | Independent Power Producer | 1 | 1.2 GWh | Dec 2024 | - | ||
| SUNE P11L Holdings, LLC | Philadelphia, PA | Commercial | 1 | 6.7 GWh | Dec 2024 | - | ||
| SUNE SEM 1, LLC | Beltsville, MD | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | - | ||
| SUNE Solano SP Owner, LLC | Bethesda, MD | Independent Power Producer | 1 | 2.4 GWh | Dec 2024 | - | ||
| SUNE Solar Xvii Project 1, LLC | Bethesda, MD | Independent Power Producer | 1 | 7.7 GWh | Dec 2024 | - | ||
| SUNE Solar Xvii Project 2, LLC | Bethesda, MD | Independent Power Producer | 1 | 7.8 GWh | Dec 2024 | - | ||
| SUNE Solar Xvii Project 3, LLC | Bethesda, MD | Independent Power Producer | 1 | 7.8 GWh | Dec 2024 | - | ||
| SUNE SPS1, LLC | Boston, MA | Independent Power Producer | 1 | 24.3 GWh | Dec 2024 | - | ||
| SUNE SPS2, LLC | Boston, MA | Independent Power Producer | 1 | 22.3 GWh | Dec 2024 | - | ||
| SUNE SPS3, LLC | Boston, MA | Independent Power Producer | 1 | 24.4 GWh | Dec 2024 | - | ||
| SUNE SPS4, LLC | Boston, MA | Independent Power Producer | 1 | 24.1 GWh | Dec 2024 | - | ||
| SUNE SPS5, LLC | Boston, MA | Independent Power Producer | 1 | 23.2 GWh | Dec 2024 | - | ||
| SUNE U6 Holdings LLC | Beltsville, MD | Independent Power Producer | 3 | 4.7 GWh | Dec 2024 | - | ||
| SUNE W12DG-B, LLC | New York, NY | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| SUNE Wasco SP Owner, LLC | Bethesda, MD | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| SUNE WF3 KHL A Holdings, LLC | New York, NY | Independent Power Producer | 1 | 1.0 GWh | Dec 2024 | - | ||
| SUNE WF3-St Holdings, LLC | New York, NY | Independent Power Producer | 1 | 957.0 MWh | Dec 2024 | - | ||
| SUNE WG113 Moreno Valley LLC | New York, NY | Independent Power Producer | 1 | 987.0 MWh | Dec 2024 | - | ||
| SUNE WG45 Woodland LLC | New York, NY | Independent Power Producer | 1 | 928.0 MWh | Dec 2024 | - | ||
| Sunedison LLC | Belmont, CA | Independent Power Producer | 16 | 3.0 TWh | Dec 2025 | - | ||
| Sunenergy1 | Mooresville, NC | Independent Power Producer | 1 | 1.2 GWh | Dec 2024 | - | ||
| Sunenergy1-Scotland Neck, LLC | Westport, CT | Independent Power Producer | 1 | 5.9 GWh | Dec 2024 | - | ||
| Sunflower County Solar Project, LLC | Walnut Creek, CA | Independent Power Producer | 1 | 160.8 GWh | Dec 2025 | - | ||
| Sunflower Electric Power Corp | Hays, KS | Cooperative | 8 | 1.6 TWh | Dec 2025 | Oct 2025 | $15.65M | $1.48M |
| Sunflower Energy Center, LLC | Chicago, IL | Independent Power Producer | 1 | 828.9 GWh | Dec 2025 | Oct 2025 | $781.76k | |
| Sunflower Solar, LLC | New York, NY | Independent Power Producer | 1 | 30.1 GWh | Dec 2024 | - | ||
| Sunflower Wind Project | Boston, MA | Investor-Owned Utility | - | - | Dec 2018 | Sep 2025 | $2.58M | |
| Sungen Sharon 1 LLC | Arundel, ME | Investor-Owned Utility | 1 | 2.6 GWh | Dec 2024 | - | ||
| Sunlight General Mercer Solar LLC | New York, NY | Independent Power Producer | 1 | 9.3 GWh | Dec 2024 | - | ||
| Sunlight General Morris Solar LLC | New York, NY | Independent Power Producer | 3 | 4.8 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 | 15 TWh | Nov 1974 | Dec 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Dec 2025 | Natural Gas : 94.9% Bituminous Coal : 5.1% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Dec 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Dec 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Dec 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Dec 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Dec 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Dec 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Dec 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Dec 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Dec 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Dec 2025 | Natural Gas : 74.9% Bituminous Coal : 24.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Dec 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Dec 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Dec 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Dec 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Dec 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Dec 2025 | Nuclear |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Dec 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Dec 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Dec 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Dec 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Dec 2025 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Dec 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Dec 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Dec 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Dec 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Dec 2025 | Subbituminous Coal : 74.7% Bituminous Coal : 16.0% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Dec 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Dec 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Dec 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Dec 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Dec 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Dec 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Dec 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Dec 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Dec 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Dec 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Dec 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Dec 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Dec 2025 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Dec 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Dec 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 21 TWh | Mar 1967 | Dec 2025 | Nuclear : 68.7% Natural Gas : 31.3% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Dec 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 16 TWh | May 1958 | Dec 2025 | Subbituminous Coal : 83.3% Natural Gas : 16.7% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 16 TWh | Apr 1996 | Dec 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Dec 2025 | Natural Gas : 99.9% |