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 |
|---|---|---|---|---|---|---|---|---|
| Rollingstone Holdco LLC | Princeton, NJ | Independent Power Producer | 1 | 8.5 GWh | Dec 2025 | - | ||
| RPCA Solar 1, LLC | San Francisco, CA | Independent Power Producer | 1 | 13.8 GWh | Dec 2025 | - | ||
| RP SCG Texas Solar LLC | Houston, TX | Independent Power Producer | 1 | 1.5 GWh | Dec 2025 | - | ||
| RP NAPA Solar 1, LLC | San Francisco, CA | Independent Power Producer | 1 | 6.3 GWh | Dec 2025 | - | ||
| Roseburg LFG Energy LLC | Woodland, WA | Independent Power Producer | 1 | 6.4 GWh | Dec 2025 | - | ||
| Rockford Solar, LLC | Boston, MA | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| Royal Solar Partners, LLC | New York, NY | Independent Power Producer | 1 | 4.3 GWh | Dec 2025 | - | ||
| Roxwind LLC | Cohasset, MA | Independent Power Producer | 1 | 48.3 GWh | Dec 2025 | - | ||
| Route 76 Boone Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 4.2 GWh | Dec 2025 | - | ||
| Rosemount Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 8.6 GWh | Dec 2025 | - | ||
| Route 66 Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 145.3 GWh | Aug 2026 | - | ||
| Route 14A CDG Solar North And South, LLC | Boston, MA | Independent Power Producer | 1 | 6.5 GWh | Dec 2025 | - | ||
| Rounseville Solar 1, LLC | Princeton, NJ | Independent Power Producer | 1 | 4.0 GWh | Dec 2025 | - | ||
| Rosewater Wind Farm LLC | Chalmers, IN | Independent Power Producer | 1 | 331.8 GWh | Aug 2026 | Sep 2025 | $1.96M | |
| ROSS County Solar, LLC | Bloomington, MN | Independent Power Producer | - | - | - | Oct 2025 | $2.37M | |
| Roswell Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 164.0 GWh | Aug 2026 | Sep 2025 | $1.86M | |
| Roundtop Energy LLC | Omaha, NE | Independent Power Producer | 1 | 35.0 GWh | Dec 2025 | Oct 2025 | $1.12M | |
| ROTH Rock Wind Farm LLC | Houston, TX | Independent Power Producer | 2 | 132.5 GWh | Aug 2026 | Oct 2025 | $3.21M | |
| Round Lake Solar LLC | New York, NY | Independent Power Producer | 1 | 1.9 GWh | Dec 2025 | - | ||
| Roundhouse Renewable Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 919.5 GWh | Aug 2026 | Sep 2025 | $3.32M | |
| Roundhouse Renewable Energy II, LLC | Juno Beach, FL | Independent Power Producer | 1 | 427.5 GWh | Aug 2026 | Sep 2025 | $3.56M | |
| Robin Solar, LLC | Asheville, NC | Independent Power Producer | - | 8.5 GWh | Dec 2024 | - | ||
| Riverside Fuel Cell, LLC | Danbury, CT | Independent Power Producer | 1 | 8.3 GWh | Dec 2025 | - | ||
| Riverside Generating Co LLC | Catlettsburg, KY | Independent Power Producer | 1 | 874.3 GWh | Aug 2026 | Sep 2025 | $18.17M | |
| Riverstart Solar Park III LLC | Houston, TX | Independent Power Producer | 1 | 235.2 GWh | Aug 2026 | Sep 2025 | $2.63M | |
| Riverstart Solar Park IV LLC | Houston, TX | Independent Power Producer | 1 | 256.1 GWh | Aug 2026 | - | ||
| Riverstart Solar Park LLC | Modoc, IN | Independent Power Producer | 1 | 426.2 GWh | Aug 2026 | Oct 2025 | $4.97M | |
| Russell City Energy Company LLC | Hayward, CA | Independent Power Producer | 1 | 2.0 TWh | Aug 2026 | Oct 2025 | $10.02M | |
| Rush Springs Wind Project | Juno Beach, FL | Independent Power Producer | 1 | 999.6 GWh | Aug 2026 | - | ||
| Roadrunner Crossing Wind Farm, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.1 TWh | Aug 2026 | - | ||
| Roadrunner Solar, LLC | Andover, MA | Independent Power Producer | 1 | 1.1 TWh | Aug 2026 | Sep 2025 | ||
| Roaring Springs, LLC | Juno Beach, FL | Independent Power Producer | 1 | 571.7 GWh | Aug 2026 | - | ||
| Rush Solar Farm 1, LLC | Juno Beach, FL | Independent Power Producer | 1 | 556.0 MWh | Sep 2025 | - | ||
| Rumford Power | Rumford, ME | Independent Power Producer | 1 | 803.1 GWh | Dec 2025 | Sep 2025 | $11.69M | |
| Roberds Garden LLC | San Francisco, CA | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| Ruler Solar Partners, LLC | New York, NY | Independent Power Producer | 1 | 9.2 GWh | Dec 2025 | - | ||
| Robin Hollow Solar, LLC | Warwick, RI | Independent Power Producer | 1 | 78.0 GWh | Aug 2026 | - | ||
| Riverhead Solar Farm LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $1.96M | |
| Rochester Ma 2 LLC | Rochester, MA | Independent Power Producer | 1 | 1.5 GWh | Dec 2025 | - | ||
| RT405 Westerlo Solar 2, LLC | Boston, MA | Independent Power Producer | 1 | 8.2 GWh | Dec 2025 | - | ||
| RT32 Westerlo Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 8.4 GWh | Dec 2025 | - | ||
| Rock County Wind Fuel, LLC | Chanhassen, MN | Independent Power Producer | 1 | 18.2 GWh | Dec 2025 | - | ||
| Rocket Solar, LLC | New York, NY | Independent Power Producer | 1 | 229.5 GWh | Aug 2026 | Sep 2025 | $2.31M | |
| Rockfish Solar LLC | New York, NY | Independent Power Producer | 1 | 14.3 GWh | Dec 2025 | - | ||
| Rockford Baxter RD Holdco LLC CSG | Jersey City, NJ | Independent Power Producer | 1 | 4.2 GWh | Dec 2025 | - | ||
| RPSC Solar 3, LLC | San Francisco, CA | Independent Power Producer | 1 | 3.9 GWh | Dec 2025 | - | ||
| Rockford CS 1, LLC | Boston, MA | Independent Power Producer | 1 | 4.3 GWh | Dec 2025 | - | ||
| RPNY Solar 7, LLC | San Francisco, CA | Independent Power Producer | 1 | 2.7 GWh | Dec 2025 | - | ||
| RPNY Solar 6, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.8 GWh | Dec 2025 | - | ||
| RPNY Solar 4, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.2 GWh | Dec 2025 | - | ||
| Rockford CS 2, LLC | Boston, MA | Independent Power Producer | 1 | 4.2 GWh | Dec 2025 | - | ||
| RPNY Solar 3, LLC | San Francisco, CA | Independent Power Producer | 1 | 11.6 GWh | Dec 2025 | - | ||
| Rockford Generation LLC | Rockford, IL | Independent Power Producer | 2 | 167.4 GWh | Dec 2025 | - | ||
| Slate Hill Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 3.7 GWh | Dec 2025 | - | ||
| Sky Ranch Solar And Storage | Juno Beach, FL | Independent Power Producer | 1 | 560.0 GWh | Aug 2026 | - | ||
| Sky River Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 231.2 GWh | Dec 2025 | Sep 2025 | $2.61M | |
| Sky Volt, LLC | Greenfield, IA | Independent Power Producer | 1 | 5.0 GWh | Dec 2025 | - | ||
| Skyhigh 2 Solar | San LUIS Obispo, CA | Independent Power Producer | 16 | 89.7 GWh | Dec 2025 | - | ||
| Skysol Holdco LLC | Irvine, CA | Independent Power Producer | 1 | 142.0 GWh | Aug 2026 | - | ||
| SL Babylon, LLC | New York, NY | Independent Power Producer | 1 | 14.6 GWh | Dec 2025 | - | ||
| SL Evans, LLC | Houston, TX | Independent Power Producer | 2 | 6.1 GWh | Dec 2025 | - | ||
| SL Fredonia, LLC | Houston, TX | Independent Power Producer | 1 | 4.1 GWh | Dec 2025 | - | ||
| SL Jamestown II, LLC | Houston, TX | Independent Power Producer | 1 | 234.0 MWh | Dec 2025 | - | ||
| SL Jamestown, LLC | Houston, TX | Independent Power Producer | 1 | 337.0 MWh | Dec 2025 | - | ||
| SL Sherman II, LLC | Houston, TX | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| SL Sherman, LLC | Houston, TX | Independent Power Producer | 1 | 2.9 GWh | Dec 2025 | - | ||
| Sky Global Power One Pledgor, LLC | Houston, TX | Independent Power Producer | 1 | 113.2 GWh | Dec 2025 | - | ||
| Sloughhouse Solar, LLC | New York, NY | Independent Power Producer | 1 | 132.3 GWh | Aug 2026 | Sep 2025 | ||
| Small Mouth Bass Solar Partners LLC | Overland Park, KS | Independent Power Producer | 1 | 3.8 GWh | Dec 2024 | - | ||
| Smith Creek Hydro, LLC | Bellingham, WA | Independent Power Producer | 1 | 87.2 GWh | Dec 2025 | Jul 2025 | $2.57M | |
| Smoky Hills Wind Farm I LLC | Andover, MA | Independent Power Producer | 1 | 162.3 GWh | Dec 2025 | - | ||
| Smoky Hills Wind Project II LLC | Andover, MA | Independent Power Producer | 1 | 254.1 GWh | Dec 2025 | Oct 2025 | $2.85M | |
| SMS DC CS01B, LLC | Ridgewood, NJ | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| Snow Mountain Hydro LLC | Independent Power Producer | 4 | 39.2 GWh | Dec 2025 | - | |||
| Snowbird Corporation | Snowbird, UT | Independent Power Producer | 1 | 15.9 GWh | Dec 2025 | - | ||
| Snowden River Parkway, LLC | Arlington, VA | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Soboba Band Of Luiseno Indians | San Jacinto, CA | Independent Power Producer | 1 | 3.9 GWh | Dec 2025 | - | ||
| Socore Clovis 1 LLC | Chicago, IL | Independent Power Producer | 1 | 4.8 GWh | Dec 2025 | - | ||
| Socore Energy LLC | Chicago, IL | Independent Power Producer | 87 | 287.4 GWh | Aug 2026 | - | ||
| Silver Star I Power Partners LLC | Independent Power Producer | 1 | 221.4 GWh | Dec 2025 | - | |||
| Shoreham Energy LLC | Schaumburg, IL | Independent Power Producer | - | - | Dec 2023 | Sep 2025 | $2.33M | |
| Shoreham Solar Commons | Shoreham, NY | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $2.51M | |
| Shorock Hydro Inc | Twin Falls, ID | Independent Power Producer | 1 | 705.0 MWh | Dec 2025 | - | ||
| Siems Community Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 2.1 GWh | Dec 2025 | - | ||
| Sierra Estrella Energy Storage, LLC | The Woodlands, TX | Independent Power Producer | 1 | -40.8 GWh | Aug 2026 | Oct 2025 | $10.97M | |
| Siete Solar LLC | New York, NY | Independent Power Producer | 1 | 37.0 GWh | Dec 2025 | - | ||
| Signal Hill Generating LLC | Houston, TX | Independent Power Producer | 1 | 7.2 GWh | Dec 2025 | - | ||
| Signal Street Operating, LLC | Westport, CT | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Sigurd Solar LLC | New York, NY | Independent Power Producer | 1 | 228.7 GWh | Aug 2026 | Sep 2025 | $1.73M | |
| Siler City Solar 2, LLC | Miami, FL | Independent Power Producer | 1 | 8.9 GWh | Dec 2025 | - | ||
| Silveira Ranch Road Solar | San Francisco, CA | Independent Power Producer | 1 | 5.4 GWh | Dec 2025 | - | ||
| Silver Peak Solar, LLC | Irvine, CA | Independent Power Producer | 1 | -44.1 GWh | Aug 2026 | Sep 2025 | $969.61k | |
| Sol Me Augusta 13 York Farm, LLC | Houston, TX | Independent Power Producer | 1 | 1.5 GWh | Dec 2025 | - | ||
| Silver State Solar Power North, LLC | Primm, NV | Independent Power Producer | 1 | 123.4 GWh | Aug 2026 | Sep 2025 | $4.90M | |
| Silver State Solar Power South, LLC | Juno Beach, FL | Independent Power Producer | 1 | 689.4 GWh | Aug 2026 | Sep 2025 | $27.93M | |
| Silver State South Storage, LLC | Primm, NV | Independent Power Producer | 1 | -44.0 GWh | Aug 2026 | Sep 2025 | $5.14M | |
| Silverstrand Grid, LLC | Burlingame, CA | Independent Power Producer | 1 | -505.0 MWh | Oct 2025 | Sep 2025 | $171.02k | |
| Silverstreet Hydro | Westfield, MA | Independent Power Producer | 2 | 4.9 GWh | Dec 2025 | - | ||
| Simcoe Solar | Miami, FL | Independent Power Producer | 1 | 52.2 GWh | Aug 2026 | - | ||
| Simon Solar Farm, LLC | Nashville, TN | Independent Power Producer | 1 | 53.4 GWh | Dec 2025 | Sep 2025 | $1.73M |
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 | Aug 2026 | Nuclear |
| Barry | Bucks, Alabama | 14 TWh | Jan 1954 | Aug 2026 | Natural Gas : 96.4% Bituminous Coal : 3.6% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Aug 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Aug 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Aug 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | Aug 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Aug 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Aug 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Aug 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | Aug 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Aug 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Aug 2026 | Natural Gas : 69.9% Bituminous Coal : 29.9% |
| Diablo Canyon | Avila Beach, California | 19 TWh | Apr 1985 | Aug 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Aug 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Aug 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Aug 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 12 TWh | Sep 1974 | Aug 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 19 TWh | Feb 1941 | Aug 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Aug 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Aug 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Aug 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Aug 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Aug 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Aug 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Aug 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Aug 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Aug 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Aug 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Aug 2026 | Subbituminous Coal : 75.1% Bituminous Coal : 15.7% Petroleum Coke : 9.0% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Aug 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Aug 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Aug 2026 | Lignite Coal : 99.3% Natural Gas : 0.7% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Aug 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Aug 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Aug 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Aug 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Aug 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Aug 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Aug 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 18 TWh | Jun 1981 | Aug 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Aug 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Aug 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | Aug 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Aug 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Aug 2026 | Nuclear : 64.7% Natural Gas : 35.3% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Aug 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Aug 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Aug 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Aug 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Aug 2026 | Natural Gas : 99.9% |