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 |
|---|---|---|---|---|---|---|---|---|
| Spectrum Nevada Solar, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.30M | ||
| Spinning Spur Wind LLC | Phoenix, AZ | - | - | - | Oct 2025 | $3.89M | ||
| Spotlight Power LLC | Houston, TX | - | - | - | Oct 2025 | $10.00M | $8.91M | |
| Spring Canyon Energy II LLC | Houston, TX | - | - | - | Sep 2025 | $877.79k | ||
| Spring Canyon Energy III LLC | Houston, TX | - | - | - | Sep 2025 | $822.66k | ||
| Spring Canyon Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $1.59M | ||
| Spring Energy RRH, LLC | Brooklyn, NY | - | - | - | Oct 2025 | $241.97k | $189.89k | |
| Spring Valley Wind LLC | Houston, TX | - | - | - | Sep 2025 | $8.89M | ||
| Spruance Operating Services, LLC | Richmond, VA | - | - | - | Oct 2025 | $995.59k | ||
| SR Arlington II, LLC | Nashville, TN | - | - | - | Sep 2025 | $1.75M | ||
| SR Litchfield, LLC | Nashville, TN | Independent Power Producer | 1 | - | - | Sep 2025 | $420.40k | |
| SR Toombs, LLC | Nashville, TN | - | - | - | Sep 2025 | $6.22M | ||
| Stanford University Power LLC | Stanford, CA | - | - | - | Oct 2025 | $1.27M | $1.99M | |
| Stanton Battery Energy Storage, LLC | Sacramento, CA | - | - | - | Sep 2025 | $3.99M | ||
| Stanton Energy Reliability Center, LLC | Sacramento, CA | - | - | - | Sep 2025 | $5.15M | ||
| Star Point Wind Project LLC | Portland, OR | - | - | - | Sep 2025 | $6.75M | $362.75k | |
| Steamboat Hills LLC | Reno, NV | - | - | - | Sep 2025 | $4.16M | ||
| Steele Flats Wind I, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $2.74M | ||
| Stephentown Spindle, LLC | Tyngsboro, MA | - | - | - | Oct 2025 | $264.26k | ||
| Stetson Holdings, LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Sep 2025 | $1.97M | |
| Stetson Wind II, LLC | Gatineau, QC | - | - | - | Sep 2025 | $705.09k | ||
| Stillwater Wind, LLC | Houston, TX | - | - | - | Sep 2025 | $1.71M | ||
| 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, LLC | New York, NY | - | - | - | Sep 2025 | $288.16k | ||
| 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 | ||
| 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 | ||
| 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 | ||
| Sun City Project LLC | San Diego, CA | - | - | - | Sep 2025 | $2.55M | ||
| Sun Mountain Solar 1, LLC | San Francisco, CA | - | - | - | Oct 2025 | $3.11M | ||
| Sun Streams, LLC | Houston, TX | - | - | - | Sep 2025 | $6.23M | ||
| 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 | |
| Sunflower Wind Project | Boston, MA | Investor-Owned Utility | - | - | Dec 2018 | Sep 2025 | $2.58M | |
| Sunlight Storage II, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $10.61M | ||
| Sunsea Energy, LLC | Birmingham, AL | - | - | - | Oct 2025 | $39.36k | ||
| Sunshine Valley Solar LLC | San Francisco, CA | Independent Power Producer | - | - | - | Sep 2025 | $3.64M | |
| Susquehanna Nuclear, LLC | Houston, TX | - | - | - | Oct 2025 | $119.45M | ||
| Sustaining Power Solutions LLC | Houston, TX | - | - | - | Oct 2025 | $21.86M | ||
| Swiftwater Solar, LLC | Newark, NJ | - | - | - | Sep 2025 | $177.46k | ||
| Switched On, LLC | Las Vegas, NV | - | - | - | Sep 2025 | $49.88k | $54.74k | |
| Syracuse, L.L.C. | Warner Robins, GA | - | - | - | Oct 2025 | $1.66M | $53.30k | |
| TAIT Electric Generating Station, LLC | Washington, DC | - | - | - | Oct 2025 | $25.28M | ||
| Talen Energy Marketing, LLC | Houston, TX | - | - | - | Oct 2025 | $405.00M | $408.83M | |
| Tallbear Seville LLC | Charlotte, NC | - | - | - | Sep 2025 | $1.15M | ||
| Tatanka Ridge Wind, LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $2.72M | ||
| Tatanka Wind Power, LLC | Chicago, IL | - | - | - | Oct 2025 | $1.50M | ||
| TBG Cogen Partners | Houston, TX | - | - | - | Oct 2025 | $2.36M | ||
| TC Energy Marketing Inc. | Calgary, AB | - | - | - | Sep 2025 | $202.73k | ||
| TEC Energy Inc. | Montreal, QC | - | - | - | Oct 2025 | $29.09M | ||
| Tecolote Wind LLC | Houston, TX | - | - | - | Oct 2025 | $16.60M | ||
| Tenaska Clear Creek Wind, LLC | Omaha, NE | - | - | - | Sep 2025 | $3.00M | ||
| Tenaska Power Services Co. | Irving, TX | - | - | - | Oct 2025 | $509.94M | $324.15M | |
| Terminus Hydroelectric, LLC | Bethesda, MD | - | - | - | Oct 2025 | $1.03M | ||
| Termoelectrica U.S., LLC | Mexicali, BC | - | - | - | Oct 2025 | $28.40M | ||
| Terra-Gen Mojave Windfarms, LLC | New York, NY | - | - | - | Oct 2025 | $725.39k | ||
| Terraform IWG Acquisition Holdings II, LLC | Gatineau, QC | - | - | - | Sep 2025 | $7.78M | ||
| TGP Energy Management II, LLC | Mojave, CA | - | - | - | Oct 2025 | $752.42k | ||
| TGP Energy Management, LLC | Mojave, CA | - | - | - | Oct 2025 | $6.04M | $6.21M | |
| The Energy Authority, Inc. | Jacksonville, FL | - | - | - | Oct 2025 | $912.22M | $255.11M | |
| The Energy Cooperative Of Pennsylvania, Inc. | Philadelphia, PA | - | - | - | Oct 2025 | $39.63k | ||
| The Narragansett Electric Company | Washington, DC | - | - | - | Oct 2025 | $18.73M | $70.21M | |
| The Potomac Edison Company | Akron, OH | - | - | - | Oct 2025 | $428.40k | $126.98M | |
| The Procter & Gamble Paper Products Company | Harrisburg, PA | - | - | - | Oct 2025 | $675.05k | ||
| The Trustees Of The University Of Pennsylvania, A Pennsylvania NON-Profit Corporation | Harrisburg, PA | - | - | - | Oct 2025 | $12.68k | ||
| Think Energy, LLC | Greens Farms, CT | - | - | - | Oct 2025 | $5.22M | $10.67M | |
| Three Buttes Windpower, LLC | Charlotte, NC | - | - | - | Sep 2025 | $3.38M | ||
| Three Rivers District Energy, LLC | Houston, TX | - | - | - | Oct 2025 | $262.96k | ||
| Thunderhead Wind Energy LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $2.49M | ||
| Tidal Energy Marketing (U.S.) L.L.C. | Calgary, AB | - | - | - | Sep 2025 | $37.84M | ||
| TODD Solar LLC | Chicago, IL | - | - | - | Oct 2025 | $293.63k | ||
| Toms River Merchant Solar, LLC | Boca Raton, FL | - | - | - | Oct 2025 | $394.03k | ||
| Top Of The World Wind Energy, LLC | Charlotte, NC | - | - | - | Sep 2025 | $6.08M | ||
| Town Square Energy East, LLC | Brooklyn, NY | - | - | - | Oct 2025 | $34.83k | $1.64M | |
| Trafigura Trading LLC | Houston, TX | - | - | - | Oct 2025 | $85.18M | ||
| Transalta Energy Marketing Corp. | Calgary, AB | - | - | - | Oct 2025 | $216.23M | $147.79M | |
| Transcanada Energy Sales Ltd. | Calgary, AB | - | - | - | Sep 2025 | $1.17M | $383.80k | |
| TRI-State Generation And Transmission Association, Inc. | Westminster, CO | - | - | - | Oct 2025 | $309.00M | $68.23M | |
| Trimont Wind I LLC | Portland, OR | - | - | - | Sep 2025 | $1.89M | ||
| Triple H Wind Project, LLC | Houston, TX | - | - | - | Sep 2025 | $6.79M | ||
| Tropicana Manufacturing Company Inc. | Bradenton, FL | - | - | - | Aug 2025 | $362.25k | ||
| Tropico, LLC | Pasadena, CA | Independent Power Producer | - | - | Dec 2019 | Sep 2025 | $996.99k | |
| TULE Wind LLC | Portland, OR | - | - | - | Sep 2025 | $6.14M | ||
| Tunica Windpower LLC | Louisville, CO | - | - | - | Sep 2025 | $2.08M | ||
| Turquoise Nevada LLC | Montpelier, VT | - | - | - | Sep 2025 | $1.12M | ||
| Twiggs County Solar, LLC | New York, NY | - | - | - | Sep 2025 | $3.08M | ||
| Twin Buttes Wind II LLC | Portland, OR | - | - | - | Sep 2025 | $1.96M | ||
| Twin Buttes Wind LLC | Portland, OR | - | - | - | Sep 2025 | $2.90M | ||
| Twin Eagle Resource Management, LLC | Spring, TX | - | - | - | Oct 2025 | $6.31M | $2.22M | |
| Twin Ridges LLC | Pittsburgh, PA | - | - | - | Oct 2025 | $6.37M | ||
| TYR Energy, LLC | Overland Park, KS | - | - | - | Sep 2025 | $4.63M | $2.81M | |
| U.S. Energy Partners, LLC | Garden City, NY | - | - | - | Oct 2025 | $80.39k | $91.91k | |
| UGI Utilities Inc. | Denver, PA | - | - | - | Oct 2025 | $1.14M | $11.48M |
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 | Sep 2025 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Sep 2025 | Natural Gas : 92.7% Bituminous Coal : 7.3% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Sep 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | Sep 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Sep 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 29 TWh | Jul 1974 | Sep 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Sep 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Sep 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Sep 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Sep 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Sep 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Sep 2025 | Natural Gas : 78.9% Bituminous Coal : 20.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Sep 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Sep 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Sep 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Sep 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Sep 2025 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Sep 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Sep 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Sep 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Sep 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Sep 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Sep 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Sep 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 14 TWh | Nov 1977 | Sep 2025 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Sep 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | Sep 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Sep 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Sep 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 16 TWh | Nov 1975 | Sep 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Sep 2025 | Subbituminous Coal : 74.0% Bituminous Coal : 16.6% Petroleum Coke : 9.2% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Sep 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Sep 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 23 TWh | Jun 1973 | Sep 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Sep 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Sep 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Sep 2025 | Nuclear |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 17 TWh | May 1971 | Sep 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Sep 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | Sep 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 12 TWh | Jun 1981 | Sep 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Sep 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 17 TWh | Apr 1976 | Sep 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | Sep 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Sep 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Sep 2025 | Nuclear : 67.7% Natural Gas : 32.3% |
| Vogtle | Waynesboro, Georgia | 36 TWh | Apr 1987 | Sep 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Sep 2025 | Subbituminous Coal : 83.7% Natural Gas : 16.3% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Sep 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Sep 2025 | Natural Gas : 99.9% |