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 |
|---|---|---|---|---|---|---|---|---|
| State Correctnl Inst Laurel Highlands | Somerset, PA | State-Owned Utility | 1 | 9.1 GWh | Dec 2025 | - | ||
| South Carolina Public Service Authority | Moncks Corner, SC | State-Owned Utility | 16 | 19.7 TWh | Jun 2026 | Oct 2025 | $332.56M | $45.75M |
| San Diego State University | San Diego, CA | State-Owned Utility | 1 | 61.9 GWh | Jun 2026 | - | ||
| San Jose State University FCLTS Dev &Ops | San Jose, CA | State-Owned Utility | 1 | 38.1 GWh | Jun 2026 | - | ||
| Sonoma County Junior College District | Santa Rosa, CA | State-Owned Utility | 1 | 1.7 GWh | Dec 2025 | - | ||
| Southern Illinois University Carbondale | Carbondale, IL | State-Owned Utility | 1 | 9.8 GWh | Jun 2026 | - | ||
| State Of Rhode Island | Cranston, RI | State-Owned Utility | 1 | 17.8 GWh | Jun 2026 | - | ||
| Southern Idaho Solid Waste | Burley, ID | Political Subdivision | 1 | 28.7 GWh | Dec 2025 | - | ||
| South Feather Water And Power Agency | Oroville, CA | Political Subdivision | 4 | 417.1 GWh | Dec 2025 | - | ||
| Solid Waste Authority Of Palm Beach Co | West Palm Beach, FL | Political Subdivision | 2 | 932.2 GWh | Jun 2026 | - | ||
| Solano Irrigation District | Vacaville, CA | Political Subdivision | 1 | 41.7 GWh | Dec 2025 | - | ||
| South San Joaquin IRR District | Manteca, CA | Political Subdivision | 1 | 4.0 GWh | Dec 2025 | - | ||
| Salt River Project | Phoenix, AZ | Political Subdivision | 22 | 27.5 TWh | Jun 2026 | Oct 2025 | $51.30M | $124.41M |
| Southeast Alaska Power Agency | Ketchikan, AK | Political Subdivision | 2 | 199.9 GWh | Dec 2025 | - | ||
| Shoshone Irrigation District | Powell, WY | Political Subdivision | 1 | 11.7 GWh | Jun 2026 | - | ||
| Southern Minnesota Mun P AGNY | Rochester, MN | Political Subdivision | 5 | 39.1 GWh | Dec 2025 | - | ||
| Sacramento Municipal UTIL DIST | Sacramento, CA | Political Subdivision | 17 | 7.6 TWh | Jun 2026 | - | ||
| Stillwater Utilities Authority | Stillwater, OK | Municipally-Owned Utility | 3 | 118.5 GWh | Dec 2025 | Sep 2025 | $6.92M | |
| Seneca Nation | Irving, NY | Municipally-Owned Utility | 1 | 3.8 GWh | Dec 2025 | - | ||
| Sacramento County Of DPT Waste | Rancho Cordova, CA | Municipally-Owned Utility | 1 | 39.1 GWh | Dec 2025 | - | ||
| Spartanburg Commissioners PW | Spartanburg, SC | Municipally-Owned Utility | 1 | 647.0 MWh | Jun 2026 | - | ||
| SCV Water | Santa Clarita, CA | Municipally-Owned Utility | 1 | 384.0 MWh | Oct 2025 | - | ||
| St. Cloud Hydroelectric Generation Facility | St. Cloud, MN | Municipally-Owned Utility | 1 | 49.0 GWh | Dec 2025 | - | ||
| STP Nuclear Operating Co | Wadsworth, TX | Municipally-Owned Utility | 1 | 22.1 TWh | Jun 2026 | - | ||
| San Bernardino Valley Mun. Water DIST. | San Bernardino, CA | Municipally-Owned Utility | 1 | 1.6 GWh | Dec 2025 | - | ||
| Siskiyou Power Authority | Yreka, CA | Municipally-Owned Utility | 1 | 24.4 GWh | Dec 2025 | - | ||
| San Jose/Santa Clara Water P C | San Jose, CA | Municipally-Owned Utility | 1 | 74.0 GWh | Jun 2026 | - | ||
| Solano County - (Ca) | Fairfield, CA | Municipally-Owned Utility | 1 | 8.6 GWh | Dec 2025 | - | ||
| Spring Valley Pub Utils COMM | Spring Valley, MN | Municipally-Owned Utility | 1 | 242.7 MWh | Dec 2025 | - | ||
| Silicon Valley Clean Water | Redwood City, CA | Municipally-Owned Utility | 1 | 8.9 GWh | Dec 2025 | - | ||
| Southeastern Chester County Refuse AUTH | West Grove, PA | Municipally-Owned Utility | 1 | 2.0 GWh | Dec 2025 | - | ||
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.0 TWh | Jun 2026 | Oct 2025 | $33.22M | $8.35M |
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 16 | 19.4 TWh | Jun 2026 | Sep 2025 | $40.06M | $10.95M |
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 18 | 17.1 TWh | Jun 2026 | Oct 2025 | $231.47M | $98.95M |
| Sungen Sharon 1 LLC | Arundel, ME | Investor-Owned Utility | 1 | 2.4 GWh | Dec 2025 | - | ||
| Southern Power Co | Atlanta, GA | Investor-Owned Utility | 53 | 48.1 TWh | Jun 2026 | Sep 2025 | $195.58M | $6.65M |
| SUNE CPS1 LLC | New York, NY | Investor-Owned Utility | - | 5.1 GWh | Dec 2024 | - | ||
| Sand Point Generating, LLC | Anchorage, AK | Investor-Owned Utility | 1 | 3.9 GWh | Dec 2024 | - | ||
| Sunflower Wind Project | Boston, MA | Investor-Owned Utility | - | - | Dec 2018 | Sep 2025 | $2.58M | |
| SUNE CPS2 LLC | New York, NY | Investor-Owned Utility | - | 7.4 GWh | Dec 2024 | - | ||
| SUNE CPS3 LLC | Belmont, CA | Investor-Owned Utility | - | 7.6 GWh | Dec 2024 | - | ||
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 4.9 TWh | Jun 2026 | Oct 2025 | $370.58M | $970.69M |
| School Sisters CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.8 GWh | Dec 2025 | - | ||
| Scandia CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 4.1 GWh | Dec 2024 | - | ||
| System Energy Resources, Inc | Jackson, MS | Investor-Owned Utility | 1 | 11.4 TWh | Jun 2026 | Sep 2025 | $144.80M | |
| San Diego Gas & Electric Co | San Diego, CA | Investor-Owned Utility | 19 | 1.5 TWh | Jun 2026 | Oct 2025 | $142.85M | $219.97M |
| SV CSG Barrass Farms II LLC | Pewaukee, WI | Investor-Owned Utility | 1 | 4.9 GWh | Dec 2025 | - | ||
| Searcy Solar, LLC | Juno Beach, FL | Investor-Owned Utility | 1 | 197.5 GWh | Jun 2026 | - | ||
| Sierra Pacific Power Co | Reno, NV | Investor-Owned Utility | 14 | 6.3 TWh | Jun 2026 | Oct 2025 | $5.93M | $30.30M |
| South Carolina Genertg Co, Inc | Cayce, SC | Investor-Owned Utility | 1 | 2.6 TWh | Jun 2026 | - | ||
| Strawberry Water Users Assn | Payson, UT | Investor-Owned Utility | 2 | 15.3 GWh | Dec 2024 | - | ||
| Safe Harbor Water Power Corp | Conestoga, PA | Investor-Owned Utility | - | - | Dec 2011 | Sep 2025 | $5.89M | |
| Sunshine Gas Producers LLC | Detroit, MI | Investor-Owned Utility | 1 | 144.2 GWh | Jun 2026 | Sep 2025 | $2.93M | |
| Salem Energy Systems LLC | ANN Arbor, MI | Investor-Owned Utility | - | 9.8 GWh | Dec 2024 | - | ||
| Simplot Leasing Corp | Boise, ID | Industrial | 1 | 80.1 GWh | Jun 2026 | - | ||
| Seneca Sustainable Energy LLC | Industrial | 1 | 131.1 GWh | Dec 2025 | - | |||
| Sweeny Cogeneration LLC | Houston, TX | Industrial | 1 | 3.4 TWh | Jun 2026 | - | ||
| Sikorsky Aircraft Corporation | Stratford, CT | Industrial | 1 | 70.1 GWh | Dec 2025 | - | ||
| Scenic Hill Solar III LLC | Little Rock, AR | Industrial | 1 | 10.1 GWh | Dec 2025 | - | ||
| Shell Chemical Appalachia LLC | Monaca, PA | Industrial | 1 | 1.8 TWh | Jun 2026 | Oct 2025 | $9.18M | $134.98k |
| Signal Hill Petroleum, Inc | Signal Hill, CA | Industrial | 1 | 42.4 GWh | Jun 2026 | - | ||
| Sierra Nevada Brewing Co | Chico, CA | Industrial | 1 | 11.4 GWh | Dec 2025 | - | ||
| Southern Minnesota Beet Sugar | Renville, MN | Industrial | 1 | 27.6 GWh | May 2026 | - | ||
| Simplot Phosphates LLC | Rock Springs, WY | Industrial | 1 | 108.7 GWh | Jun 2026 | - | ||
| Spreckels Sugar Company | Brawley, CA | Industrial | 1 | 21.5 GWh | Dec 2024 | - | ||
| Sentinel Peak Resources California LLC | Industrial | 3 | 89.5 GWh | Dec 2025 | - | |||
| Sycamore Cogeneration Co | Bakersfield, CA | Industrial | 1 | 194.5 GWh | Jun 2026 | Sep 2015 | ||
| Sylvamo Corporation - Eastover | Eastover, SC | Industrial | 1 | 589.6 GWh | Jun 2026 | - | ||
| Sylvamo North America LLC | Ticonderoga, NY | Industrial | 1 | 225.8 GWh | Jun 2026 | - | ||
| SS Pa II PSU LLC | Malvern, PA | Industrial | 1 | 2.3 GWh | Dec 2024 | - | ||
| Smithfield Packaged Meats Corp (Wilson) | Kinston, NC | Industrial | 2 | 1.9 GWh | Dec 2025 | - | ||
| Searles Valley Minerals Operations Inc. | Trona, CA | Industrial | 2 | 193.7 GWh | Jun 2026 | - | ||
| Snider Industries Inc | Marshall, TX | Industrial | 1 | 15.1 GWh | Dec 2025 | - | ||
| Sealed Air Corporation | Madera, CA | Industrial | 1 | 7.4 GWh | Dec 2025 | - | ||
| Seadrift Coke L P | Port Lavaca, TX | Industrial | 1 | 37.6 GWh | Jun 2026 | - | ||
| Seaboard Energy California, LLC | Madera, CA | Industrial | 1 | 4.1 GWh | Dec 2025 | - | ||
| S.C. Johnson & Son, Inc. | Racine, WI | Industrial | 1 | 40.2 GWh | Jun 2026 | - | ||
| Solutia Inc-Indian | St Louis, MO | Industrial | 1 | 8.5 GWh | Jun 2026 | - | ||
| Salinas River Cogeneration Co | Bakersfield, CA | Industrial | 1 | 277.0 GWh | Jun 2026 | Sep 2015 | ||
| South Atlantic Services Inc | Wilmington, NC | Industrial | 1 | 3.0 GWh | Dec 2024 | - | ||
| South County Packing | King City, CA | Industrial | 1 | 9.4 GWh | Dec 2025 | - | ||
| South Houston Green Power LLC | Texas City, TX | Industrial | 3 | 4.7 TWh | Jun 2026 | - | ||
| Sabic Ip MT. Vernon, LLC | Mount Vernon, IN | Industrial | 1 | 631.7 GWh | Jun 2026 | - | ||
| Sappi Cloquet LLC | Cloquet, MN | Industrial | 1 | 501.3 GWh | Jun 2026 | - | ||
| Sappi Fine Paper North America-Somerset | Boston, MA | Industrial | 1 | 615.9 GWh | Jun 2026 | - | ||
| Sunstrong Management, LLC | Houston, TX | Independent Power Producer|Investor-Owned Utility | 109 | 1.7 TWh | Jun 2026 | - | ||
| Shell Chemical LP | Geismar, LA | Independent Power Producer|Industrial | 2 | 643.4 GWh | Dec 2025 | Sep 2025 | $883.16k | |
| Soluga Solar, LLC | Asheville, NC | Independent Power Producer | - | 6.4 GWh | Dec 2024 | - | ||
| Solops 371 Hoes LLC | Baltimore, MD | Independent Power Producer | 1 | 1.9 GWh | Dec 2025 | - | ||
| Spring Street Solar 1, LLC | Princeton, NJ | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| Solriver Capital LLC | Denver, CO | Independent Power Producer | 28 | 215.4 GWh | Dec 2025 | - | ||
| Southbridge Recycling And Disposal Park | Southbridge, MA | Independent Power Producer | 1 | 10.7 GWh | Dec 2025 | - | ||
| 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 | - | ||
| SUNE Solar Xvii Project 2, LLC | Bethesda, MD | Independent Power Producer | 1 | 7.0 GWh | Dec 2025 | - | ||
| Spring Canyon Expansion LLC | Scottsdale, AZ | Independent Power Producer | 1 | 112.6 GWh | Dec 2025 | - | ||
| SUNE Solar Xvii Project 3, LLC | Bethesda, MD | Independent Power Producer | 1 | 7.8 GWh | Dec 2025 | - | ||
| SUNE SPS1, LLC | Boston, MA | Independent Power Producer | 1 | 23.7 GWh | Dec 2025 | - | ||
| Soltage VUL 1600 Chemung, LLC | Jersey City, NJ | Independent Power Producer | 1 | 1.9 GWh | Dec 2025 | - | ||
| Springdale Energy LLC | Springdale, PA | Independent Power Producer | 2 | 5.0 TWh | Jun 2026 | Sep 2025 | $45.05M |
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 | Jun 2026 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Jun 2026 | Natural Gas : 97.3% Bituminous Coal : 2.7% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Jun 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Jun 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Jun 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | Jun 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Jun 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Jun 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Jun 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | Jun 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Jun 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Jun 2026 | Natural Gas : 69.8% Bituminous Coal : 30.0% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Jun 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | Jun 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Jun 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Jun 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Jun 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 19 TWh | Feb 1941 | Jun 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Jun 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Jun 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Jun 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Jun 2026 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Jun 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Jun 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 18 TWh | Dec 1983 | Jun 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Jun 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Jun 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Jun 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Jun 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 | Jun 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Jun 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Jun 2026 | Lignite Coal : 99.2% Natural Gas : 0.8% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Jun 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Jun 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Jun 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Jun 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Jun 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Jun 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Jun 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 18 TWh | Jun 1981 | Jun 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Jun 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Jun 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | Jun 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Jun 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Jun 2026 | Nuclear : 64.6% Natural Gas : 35.4% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Jun 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Jun 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Jun 2026 | Subbituminous Coal : 81.2% Natural Gas : 18.8% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Jun 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Jun 2026 | Natural Gas |