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 |
|---|---|---|---|---|---|---|---|---|
| Smoky Hills Wind Farm, LLC | Andover, MA | - | - | - | Oct 2025 | $1.91M | ||
| Smoky Hills Wind Farm I LLC | Andover, MA | Independent Power Producer | 1 | 162.3 GWh | Dec 2025 | - | ||
| Smithfield Packaged Meats Corp (Wilson) | Wilson, NC | Industrial | 2 | 1.9 GWh | Dec 2025 | - | ||
| Smith Creek Hydro, LLC | Bellingham, WA | Independent Power Producer | 1 | 87.2 GWh | Dec 2025 | Jul 2025 | $2.57M | |
| Smeco Solar LLC | Hughesville, MD | Cooperative | 1 | 6.9 GWh | Dec 2025 | - | ||
| Smartenergy Holdings, LLC | New York, NY | - | - | - | Oct 2025 | $2.34M | $14.41M | |
| Small Mouth Bass Solar Partners LLC | Overland Park, KS | Independent Power Producer | 1 | 3.8 GWh | Dec 2024 | - | ||
| Sloughhouse Solar, LLC | New York, NY | Independent Power Producer | 1 | 97.9 GWh | May 2026 | Sep 2025 | ||
| Sleeping Bear, LLC | Houston, TX | - | - | - | Sep 2025 | $598.66k | ||
| Slate Hill Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| Slate Creek Wind Project, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $2.71M | ||
| SL Sherman, LLC | Houston, TX | Independent Power Producer | 1 | 2.9 GWh | Dec 2025 | - | ||
| SL Sherman II, LLC | Houston, TX | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| SL Jamestown, LLC | Houston, TX | Independent Power Producer | 1 | 337.0 MWh | Dec 2025 | - | ||
| SL Jamestown II, LLC | Houston, TX | Independent Power Producer | 1 | 234.0 MWh | Dec 2025 | - | ||
| SL Fredonia, LLC | Houston, TX | Independent Power Producer | 1 | 4.1 GWh | Dec 2025 | - | ||
| SL Evans, LLC | Houston, TX | Independent Power Producer | 2 | 6.1 GWh | Dec 2025 | - | ||
| SL Babylon, LLC | New York, NY | Independent Power Producer | 1 | 14.6 GWh | Dec 2025 | - | ||
| Skysol, LLC | Irvine, CA | - | - | - | Sep 2025 | $1.78M | ||
| Skysol Holdco LLC | Irvine, CA | Independent Power Producer | 1 | 133.9 GWh | May 2026 | - | ||
| Skyhigh 2 Solar | San LUIS Obispo, CA | Independent Power Producer | 16 | 89.7 GWh | Dec 2025 | - | ||
| Sky Volt, LLC | Greenfield, IA | Independent Power Producer | 1 | 5.0 GWh | Dec 2025 | - | ||
| Sky River Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 231.2 GWh | Dec 2025 | Sep 2025 | $2.61M | |
| Sky Ranch Solar And Storage | Juno Beach, FL | Independent Power Producer | 1 | 552.2 GWh | May 2026 | - | ||
| Sky Global Power One Pledgor, LLC | Houston, TX | Independent Power Producer | 1 | 113.2 GWh | Dec 2025 | - | ||
| Skookumchuck Wind Energy Project, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.29M | ||
| Skipjack Solar Center, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Jul 2025 | $5.48M | |
| Skeleton Creek Energy Center | Juno Beach, FL | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Sep 2025 | ||
| SJRR Power LLC | Princeton, NJ | Independent Power Producer | 1 | 84.7 GWh | Dec 2025 | - | ||
| SJA Solar, LLC | Princeton, NJ | Independent Power Producer | 1 | 24.6 GWh | Dec 2025 | - | ||
| Sithe/Independence LLC | Irving, TX | Independent Power Producer | 1 | 7.0 TWh | May 2026 | Oct 2025 | $38.34M | |
| Sit Renewables, Inc. | Irvine, CA | Commercial | 2 | 4.4 GWh | Dec 2025 | - | ||
| Siskiyou Power Authority | Yreka, CA | Municipally-Owned Utility | 1 | 24.4 GWh | Dec 2025 | - | ||
| Simplot Phosphates LLC | Rock Springs, WY | Industrial | 1 | 106.7 GWh | May 2026 | - | ||
| Simplot Leasing Corp | Boise, ID | Industrial | 1 | 73.2 GWh | May 2026 | - | ||
| Simon Solar Farm, LLC | Nashville, TN | Independent Power Producer | 1 | 53.4 GWh | Dec 2025 | Sep 2025 | $1.73M | |
| Simcoe Solar | Miami, FL | Independent Power Producer | 1 | 54.0 GWh | May 2026 | - | ||
| Silverstreet Hydro | Westfield, MA | Independent Power Producer | 2 | 4.8 GWh | Dec 2024 | - | ||
| Silverstrand Grid, LLC | Burlingame, CA | Independent Power Producer | 1 | -1.0 GWh | Oct 2025 | Jun 2025 | $171.02k | |
| Silver State South Storage, LLC | Primm, NV | Independent Power Producer | 1 | -47.0 GWh | May 2026 | Sep 2025 | $5.14M | |
| Silver State Solar Power South, LLC | Juno Beach, FL | Independent Power Producer | 1 | 707.2 GWh | May 2026 | Sep 2025 | $27.93M | |
| Silver State Solar Power North, LLC | Primm, NV | Independent Power Producer | 1 | 125.0 GWh | May 2026 | Sep 2025 | $4.90M | |
| Silver Star I Power Partners LLC | Independent Power Producer | 1 | 221.4 GWh | Dec 2025 | - | |||
| Silver Sage Windpower, LLC | Charlotte, NC | - | - | - | Sep 2025 | $1.61M | ||
| Silver Peak Solar, LLC | Irvine, CA | Independent Power Producer | 1 | -40.3 GWh | May 2026 | Sep 2025 | $969.61k | |
| Silver Peak Energy, LLC | Louisville, CO | - | - | - | Jun 2025 | $1.26M | ||
| Silveira Ranch Road Solar | San Francisco, CA | Independent Power Producer | 1 | 5.4 GWh | Dec 2025 | - | ||
| Silicon Valley Clean Water | Redwood City, CA | Municipally-Owned Utility | 1 | 8.9 GWh | Dec 2025 | - | ||
| Siler City Solar 2, LLC | Miami, FL | Independent Power Producer | 1 | 8.9 GWh | Dec 2025 | - | ||
| Sikorsky Aircraft Corporation | Stratford, CT | Industrial | 1 | 70.1 GWh | Dec 2025 | - | ||
| Sigurd Solar LLC | New York, NY | Independent Power Producer | 1 | 230.4 GWh | May 2026 | Sep 2025 | $1.73M | |
| Signal Street Operating, LLC | Westport, CT | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Signal Hill Petroleum, Inc | Signal Hill, CA | Industrial | 1 | 42.2 GWh | May 2026 | - | ||
| Signal Hill Generating LLC | Houston, TX | Independent Power Producer | 1 | 7.2 GWh | Dec 2025 | - | ||
| Siete Solar LLC | New York, NY | Independent Power Producer | 1 | 37.0 GWh | Dec 2025 | - | ||
| Sierra Solar Greenworks LLC | Louisville, CO | - | - | - | Sep 2025 | $1.26M | ||
| Sierra Pacific Power Co | Reno, NV | Investor-Owned Utility | 14 | 6.3 TWh | May 2026 | Oct 2025 | $5.93M | $30.30M |
| Sierra Pacific Industries | Anderson, CA | Commercial | 11 | 876.9 GWh | Dec 2025 | - | ||
| Sierra Nevada Brewing Co | Chico, CA | Industrial | 1 | 11.4 GWh | Dec 2025 | - | ||
| Sierra Estrella Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -43.5 GWh | May 2026 | Oct 2025 | $10.97M | |
| Sierra Bess LLC | Houston, TX | - | - | - | Sep 2025 | $394.30 | ||
| Siems Community Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 2.1 GWh | Dec 2025 | - | ||
| Siemens Industry | Buffalo Grove, IL | Commercial | 2 | 203.0 MWh | Dec 2025 | - | ||
| Sidney, LLC | Washington, DC | - | - | - | Oct 2025 | $190.51k | ||
| Shoshone Irrigation District | Powell, WY | Political Subdivision | 1 | 11.4 GWh | May 2026 | - | ||
| Short Hills Mall | Short Hills, NJ | Commercial | 1 | 3.8 GWh | Dec 2025 | - | ||
| Shorock Hydro Inc | Twin Falls, ID | Independent Power Producer | 1 | 705.0 MWh | Dec 2025 | - | ||
| Shoreham Solar Commons | Shoreham, NY | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $2.51M | |
| Shoreham Energy LLC | Schaumburg, IL | Independent Power Producer | - | - | Dec 2023 | Sep 2025 | $2.33M | |
| Shore Point Solar LLC | Freehold, NJ | Independent Power Producer | 1 | 1.2 GWh | Dec 2025 | - | ||
| Shooting Star Wind Project, LLC | Baltimore, MD | - | - | - | Sep 2025 | $1.46M | ||
| Shooting Star Power Partners, LLC | Baltimore, MD | Independent Power Producer | 1 | 179.8 GWh | Dec 2025 | - | ||
| Sholes Wind Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 719.6 GWh | May 2026 | - | ||
| Shoe Creek Solar, LLC | Santa Monica, CA | Independent Power Producer | - | - | - | Sep 2025 | $2.27M | |
| Shipsterns Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 41.7 GWh | Dec 2025 | - | ||
| Shipley Choice, LLC | York, PA | - | - | - | Oct 2025 | $1.88M | $2.12M | |
| Shining Solar Partners, LLC | New York, NY | Independent Power Producer | 1 | 7.7 GWh | Dec 2025 | - | ||
| Shiloh Wind Project 2, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $10.41M | ||
| Shiloh IV Lessee, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $9.73M | ||
| Shiloh III Lessee, LLC | Phoenix, AZ | - | - | - | Jul 2025 | $11.65M | ||
| Shiloh I Wind Project, LLC | Portland, OR | - | - | - | Sep 2025 | $6.68M | ||
| Shiloh HWY 1108 Solar, LLC | Charlotte, NC | Independent Power Producer | - | 6.5 GWh | Dec 2024 | - | ||
| Shifting Sands Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 25.0 GWh | Dec 2025 | - | ||
| Sheriff RD Solar LLC | New York, NY | Independent Power Producer | 1 | 1.8 GWh | Dec 2025 | - | ||
| Sherbino II Wind Farm LLC | Charlotte, NC | Independent Power Producer | 1 | 583.1 GWh | Dec 2025 | - | ||
| Shepherds Flat Wind LLC | Independent Power Producer | 3 | 2.0 TWh | May 2026 | - | |||
| Shell Wind Energy Inc. | Houston, TX | Independent Power Producer | 4 | 951.0 GWh | Dec 2025 | - | ||
| Shell Energy North America (US), L.P. | Houston, TX | - | - | - | Oct 2025 | $2.25B | $298.44M | |
| Shell Chemical LP | Geismar, LA | Independent Power Producer|Industrial | 2 | 643.4 GWh | Dec 2025 | Sep 2025 | $883.16k | |
| Shell Chemical Appalachia LLC | Monaca, PA | Industrial | 1 | 1.8 TWh | May 2026 | Sep 2025 | $9.18M | $134.98k |
| Sheldon Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $2.94M | ||
| Shelby County Energy Center, LLC | Neoga, IL | Independent Power Producer | 1 | 204.7 GWh | Dec 2025 | Sep 2025 | $3.88M | |
| Sheep Creek Hydro Inc | Northport, WA | Independent Power Producer | 1 | 7.0 GWh | Dec 2025 | - | ||
| Shawville Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.3 TWh | May 2026 | Oct 2025 | $21.86M | |
| Shawnee Power, LLC | Chicago, IL | Independent Power Producer | 1 | 1.1 GWh | Dec 2025 | Oct 2025 | $275.39k | |
| SHAW Creek Solar | Juno Beach, FL | Independent Power Producer | 1 | 177.8 GWh | May 2026 | Sep 2025 | $1.75M | |
| Shavano Falls Hydro LLC - Drop 4 Project | Irvine, UT | Independent Power Producer | 2 | 27.8 GWh | Oct 2025 | - | ||
| Shasta Sustainable Resource Management, Inc. | Anderson, CA | Independent Power Producer | 1 | 314.7 GWh | May 2026 | Sep 2025 | $8.31M | |
| Shasta Hydroelectric Inc | Bozeman, MT | Independent Power Producer | 1 | 7.0 GWh | Dec 2025 | - | ||
| Sharp Grossmont Hospital | La Mesa, CA | Commercial | 1 | 31.5 GWh | Dec 2025 | - |
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 |