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 |
|---|---|---|---|---|---|---|---|---|
| Guadalupe Power Partners LP | |Independent Power Producer | 2 | 5.7 TWh | May 2026 | - | |||
| Griffin Road Solar LLC | Independent Power Producer | 1 | 3.3 GWh | Dec 2025 | - | |||
| Great Bend Solar LLC | Independent Power Producer | 1 | 41.0 GWh | May 2026 | - | |||
| GP Big Island LLC | Commercial | 1 | 43.5 GWh | May 2026 | - | |||
| Gordon Butte Wind LLC | Independent Power Producer | 1 | 74.4 GWh | Dec 2025 | - | |||
| Giffen Solar Park LLC | Independent Power Producer | 1 | 21.3 GWh | Dec 2025 | - | |||
| Garnet Mesa Solar LLC | Independent Power Producer | 1 | 159.5 GWh | May 2026 | - | |||
| Gardy's Mill Solar LLC | Independent Power Producer | 1 | 18.6 GWh | Dec 2025 | - | |||
| GANS Solar LLC | Independent Power Producer | 1 | 22.5 GWh | Dec 2025 | - | |||
| Grizzly Mountain Ranch | Zenia, CA | Independent Power Producer | 1 | 2.8 GWh | Dec 2024 | - | ||
| Greenleaf Energy LLC | YUBA City, CA | Independent Power Producer | 1 | 63.8 GWh | May 2026 | - | ||
| Gloversville Community Solar LLC | Wilmington, DE | Independent Power Producer | 1 | 7.8 GWh | Dec 2025 | - | ||
| Geddes 2 Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 3.8 GWh | Dec 2025 | - | ||
| Geddes 1 Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 4.3 GWh | Dec 2025 | - | ||
| GALT Power, Inc. | Wilmington, DE | - | - | - | Oct 2025 | $58.53M | $31.53M | |
| Great River Hydro, LLC | Westborough, MA | Independent Power Producer | 13 | 1.4 TWh | Dec 2025 | Sep 2025 | $44.29M | |
| GSA Metropolitan Service Center | Washington, DC | Federally-Owned Utility | 1 | 104.0 GWh | May 2026 | - | ||
| Goleta Energy Storage, LLC | Washington, DC | Independent Power Producer | 1 | -7.4 GWh | May 2026 | Oct 2025 | $1.58M | |
| Galactic Wind | Verona, WI | Commercial | 1 | 23.1 GWh | Dec 2025 | - | ||
| Great Valley Solar 3, LLC | Valhalla, NY | - | - | - | Oct 2025 | $667.33k | ||
| Great Valley Solar 2, LLC | Valhalla, NY | - | - | - | Oct 2025 | $2.35M | ||
| Great Valley Solar 1, LLC | Valhalla, NY | - | - | - | Oct 2025 | $4.35M | ||
| Glacier Sands Wind Power, LLC | Toronto, ON | Independent Power Producer | 1 | 679.0 GWh | May 2026 | Oct 2025 | $3.98M | |
| Georgia-Pacific Toledo LLC | Toledo, OR | Industrial | 2 | 52.4 GWh | Dec 2025 | Sep 2025 | $461.48k | $34.98k |
| GCC Trident LLC | Three Forks, MT | Industrial | 1 | 7.0 GWh | Dec 2025 | - | ||
| Georgia-Pacific Wood Products LLC | Taylorsville, MS | Industrial | 1 | 63.3 GWh | Dec 2025 | - | ||
| Goose Haven Energy Center | Suisun, CA | Independent Power Producer | 1 | 6.7 GWh | Dec 2025 | Oct 2025 | $0 | |
| Gilroy Energy Center For Riverview | Suisun, CA | Independent Power Producer | 3 | 23.5 GWh | Dec 2025 | Jul 2025 | $11.28M | |
| Green Street Power Partners | Stamford, CT | Commercial | 48 | 241.0 GWh | Dec 2025 | - | ||
| Generation Bridge II Connecticut, LLC | Stamford, CT | Independent Power Producer | 2 | 3.7 TWh | May 2026 | - | ||
| GB II New York LLC | Stamford, CT | Independent Power Producer | 1 | 3.7 TWh | May 2026 | Oct 2025 | $72.87M | |
| General Electric Aircraft Engines | Somersworth, NH | Industrial | 3 | 6.7 GWh | May 2026 | - | ||
| Guadalupe Blanco River Authority | Seguin, TX | State-Owned Utility | 7 | 3.9 GWh | Dec 2025 | - | ||
| Gulf Coast Solar Center III, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $2.01M | ||
| Gulf Coast Solar Center II, LLC | Scottsdale, AZ | - | - | - | Sep 2025 | $1.67M | ||
| Green Pastures Wind II, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 324.5 GWh | Dec 2025 | - | ||
| Green Pastures Wind I, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 282.8 GWh | Dec 2025 | - | ||
| Goldfinch (Lakeland) | Scottsdale, AZ | Independent Power Producer | 1 | 5.1 GWh | Dec 2025 | - | ||
| Goat Wind LLC | Scottsdale, AZ | Independent Power Producer | 1 | 291.9 GWh | Dec 2025 | - | ||
| Gibson Solar, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 293.6 GWh | May 2026 | - | ||
| Gemini Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 4.7 GWh | Dec 2025 | - | ||
| Ge Wind Energy LLC | Schenectady, NY | Independent Power Producer | 2 | 1.8 GWh | Dec 2025 | - | ||
| Golden Springs Development Company LLC | Santa Fe Springs, CA | Independent Power Producer | 9 | 18.0 GWh | Dec 2025 | - | ||
| Grimes County Solar Project, LLC | San Francisco, CA | Independent Power Producer | 1 | 180.9 GWh | May 2026 | - | ||
| Greenfield Wind Power, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.8 GWh | Dec 2025 | - | ||
| Graham Solar Center LLC | San Francisco, CA | Independent Power Producer | 1 | 4.8 GWh | Dec 2025 | - | ||
| Grabinski Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 3.1 GWh | Dec 2025 | - | ||
| Golden Fields Solar IV, LLC | San Francisco, CA | Independent Power Producer | 1 | 324.0 GWh | May 2026 | Sep 2025 | ||
| Golden Fields Solar III, LLC | San Francisco, CA | Independent Power Producer | 1 | 592.9 GWh | May 2026 | Oct 2025 | $12.65M | |
| Generate Colchester Fuel Cells, LLC | San Francisco, CA | Independent Power Producer | 1 | 78.5 GWh | Dec 2025 | - | ||
| Generate Capital | San Francisco, CA | Independent Power Producer | 134 | 354.6 GWh | Dec 2025 | - | ||
| Gasna 36P, LLC | San Francisco, CA | - | - | - | Oct 2025 | $38.74k | ||
| Gala Solar, LLC | San Francisco, CA | Independent Power Producer | 1 | 2.6 GWh | Nov 2025 | - | ||
| Gaines Solar | San Francisco, CA | Independent Power Producer | 1 | 4.5 GWh | Dec 2025 | - | ||
| Griffin Trail Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 767.0 GWh | May 2026 | - | ||
| Glaciers Edge Wind Project LLC | San Diego, CA | Commercial | - | - | - | Oct 2025 | $1.46M | |
| GSPP Boxborough Littleton, LLC | Safety Harbor, FL | Independent Power Producer | - | 6.1 GWh | Dec 2024 | - | ||
| Gohman Community Solar LLC | Safety Harbor, FL | Independent Power Producer | - | 1.7 GWh | Dec 2024 | - | ||
| Gas Recovery Systems Inc | Roseville, CA | Independent Power Producer | 12 | 27.9 GWh | Mar 2026 | - | ||
| Griffiss Utility Services Corporation | Rome, NY | - | - | - | Oct 2025 | $118.20k | ||
| Greensville County Solar Project, LLC | Richmond, VA | - | - | - | Oct 2025 | $1.87M | ||
| Gregory Power Partners LLC | Princeton, NJ | Independent Power Producer | 1 | 791.6 GWh | May 2026 | - | ||
| Green Mountain Energy Company | Princeton, NJ | - | - | - | Oct 2025 | $202.88k | ||
| Groton Wind, LLC | Portland, OR | - | - | - | Sep 2025 | $1.21M | ||
| Gateway Energy Storage, LLC | Pleasanton, CA | Independent Power Producer | 1 | -20.5 GWh | May 2026 | Oct 2025 | $4.75M | $405.00k |
| Great Western Wind Energy, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $4.21M | ||
| Grays Ferry Cogen Partnership | Philadelphia, PA | Independent Power Producer | 1 | 1.2 TWh | Dec 2025 | - | ||
| Georgia-Pacific Consr Ops LLC-Palatka | Palatka, FL | Industrial | 1 | 360.8 GWh | Dec 2025 | - | ||
| Gilead Sciences Inc. | Oceanside, CA | Independent Power Producer|Industrial | 3 | 5.6 GWh | Dec 2025 | - | ||
| Great Bay Solar I LLC | Oakville, ON | Independent Power Producer | 1 | 148.6 GWh | May 2026 | Sep 2025 | $2.34M | |
| Gemini Solar | Oakland, CA | Independent Power Producer | 1 | 2.4 TWh | May 2026 | - | ||
| GD West Greenwich VIctory I, LLC | North Kingstown, RI | Commercial | - | 2.8 GWh | Dec 2024 | - | ||
| GD Richmond Buttonwoods I, LLC | North Kingstown, RI | Commercial | - | 2.0 GWh | Dec 2024 | - | ||
| Gun Club Solar, LLC | New York, NY | Independent Power Producer | 1 | 4.6 GWh | Dec 2025 | - | ||
| Guernsey Power Station LLC | New York, NY | Independent Power Producer | 1 | 13.1 TWh | May 2026 | Oct 2025 | $86.92M | |
| Greenstone Solar, LLC | New York, NY | Independent Power Producer | 1 | 36.1 GWh | Dec 2025 | - | ||
| Greenbacker Renewable Energy Corporation | New York, NY | Independent Power Producer | 135 | 3.1 TWh | May 2026 | - | ||
| Green Mile Solar, LLC | New York, NY | Independent Power Producer | 1 | 8.2 GWh | Dec 2025 | - | ||
| Great Bay Hydro Corp | New York, NY | Independent Power Producer | 2 | 14.7 GWh | Dec 2025 | Oct 2017 | ||
| Gray Hawk Solar, LLC | New York, NY | Independent Power Producer | 1 | 153.9 GWh | May 2026 | Sep 2025 | $2.41M | |
| Gravel Pit Solar, LLC | New York, NY | Independent Power Producer | 1 | 200.7 GWh | May 2026 | - | ||
| Gravel Pit Solar IV, LLC | New York, NY | - | - | - | Sep 2025 | $1.79M | ||
| Gravel Pit Solar III, LLC | New York, NY | - | - | - | Sep 2025 | $1.02M | ||
| GR Catalyst Two LLC | New York, NY | Independent Power Producer | 1 | 11.7 GWh | Dec 2025 | - | ||
| GR Catalyst One, LLC | New York, NY | Independent Power Producer | 1 | 11.3 GWh | Dec 2025 | - | ||
| Gore Mountain Solar II, LLC | New York, NY | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Goose Prairie Solar LLC | New York, NY | Independent Power Producer | 1 | 201.5 GWh | May 2026 | Sep 2025 | $4.98M | |
| Garnet Wind, LLC | New York, NY | - | - | - | Oct 2025 | $324.20k | ||
| G&S Operations LLC | New York, NY | Commercial | 3 | 13.4 GWh | Dec 2025 | - | ||
| Genconn Middletown LLC | New Haven, CT | Independent Power Producer | 1 | 7.2 GWh | Dec 2025 | - | ||
| Genconn Devon LLC | New Haven, CT | Independent Power Producer | 1 | 15.8 GWh | Dec 2025 | - | ||
| Gaylord Entertainment Co | Nashville, TN | Commercial | 1 | 21.1 GWh | May 2026 | - | ||
| Georgia-Pacific Muskogee LLC | Muskogee, OK | Industrial | 1 | 385.6 GWh | May 2026 | - | ||
| Google, Inc. | Mountain VIew, CA | Independent Power Producer | 2 | 3.3 GWh | Dec 2025 | - | ||
| Google Energy LLC | Mountain VIew, CA | - | - | - | Oct 2025 | $26.89M | $83.45M | |
| Grant County Wind, LLC | Minneapolis, MN | Independent Power Producer | 1 | 57.8 GWh | Dec 2025 | - | ||
| Great Lakes Hydro America LLC | Millinocket, ME | Independent Power Producer | 2 | 651.7 GWh | Dec 2025 | Sep 2025 | $9.59M | |
| Granite Reliable Power | Millinocket, ME | Independent Power Producer | - | - | Dec 2020 | Sep 2025 | $5.21M | |
| Geysers Power Co LLC | Middletown, CA | Independent Power Producer | 6 | 5.7 TWh | May 2026 | Oct 2025 | $101.01M | $2.91M |
| GWE Cranberry Solar RT, LLC | Middleborough, MA | Independent Power Producer | 1 | 1.8 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 |