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 |
|---|---|---|---|---|---|---|---|---|
| GALT Power, Inc. | Wilmington, DE | - | - | - | Oct 2025 | $58.53M | $31.53M | |
| Garnet Wind, LLC | New York, NY | - | - | - | Oct 2025 | $324.20k | ||
| Garrison Energy Center LLC | Greenwich, CT | Independent Power Producer | 1 | 992.5 GWh | May 2026 | Oct 2025 | $18.94M | |
| Gasna 36P, LLC | San Francisco, CA | - | - | - | Oct 2025 | $38.74k | ||
| Gasna 6P, LLC | Miami, FL | Independent Power Producer | 1 | 23.8 GWh | Dec 2025 | Oct 2025 | $635.86k | |
| Gateway Energy Storage, LLC | Pleasanton, CA | Independent Power Producer | 1 | -20.5 GWh | May 2026 | Oct 2025 | $4.75M | $405.00k |
| Gavin Power, LLC | Cheshire, OH | Independent Power Producer | 1 | 14.3 TWh | May 2026 | Oct 2025 | $168.58M | |
| GB II New York LLC | Stamford, CT | Independent Power Producer | 1 | 3.7 TWh | May 2026 | Oct 2025 | $72.87M | |
| Genon Energy Management, LLC | Houston, TX | - | - | - | Oct 2025 | $225.45k | $225.45k | |
| Genon Power Midwest, LP | Houston, TX | - | - | - | Oct 2025 | $225.45k | $335.16k | |
| Georgia Power Co | Atlanta, GA | Investor-Owned Utility | 63 | 107.9 TWh | May 2026 | Oct 2025 | $13.78M | $237.04M |
| Geysers Power Co LLC | Middletown, CA | Independent Power Producer | 6 | 5.7 TWh | May 2026 | Oct 2025 | $101.01M | $2.91M |
| Gilbert Power, LLC | Chicago, IL | Independent Power Producer | 1 | 88.5 GWh | Dec 2025 | Oct 2025 | $6.86M | |
| Glacier Sands Wind Power, LLC | Toronto, ON | Independent Power Producer | 1 | 679.0 GWh | May 2026 | Oct 2025 | $3.98M | |
| Glaciers Edge Wind Project LLC | San Diego, CA | Commercial | - | - | - | Oct 2025 | $1.46M | |
| Golden Fields Solar III, LLC | San Francisco, CA | Independent Power Producer | 1 | 592.9 GWh | May 2026 | Oct 2025 | $12.65M | |
| Golden Spread Electric Cooperative, Inc | Amarillo, TX | Cooperative | 5 | 6.4 TWh | May 2026 | Oct 2025 | $145.31M | $6.00M |
| Golden Spread Panhandle Wind Ranch, LLC | Amarillo, TX | - | - | - | Oct 2025 | $2.34M | ||
| Goleta Energy Storage, LLC | Washington, DC | Independent Power Producer | 1 | -7.4 GWh | May 2026 | Oct 2025 | $1.58M | |
| Goodwell Wind Project LLC | Birmingham, AL | Independent Power Producer | 1 | 549.0 GWh | May 2026 | Oct 2025 | $4.03M | |
| Google Energy LLC | Mountain VIew, CA | - | - | - | Oct 2025 | $26.89M | $83.45M | |
| Goose Haven Energy Center | Suisun, CA | Independent Power Producer | 1 | 6.7 GWh | Dec 2025 | Oct 2025 | $0 | |
| Grady Wind Energy Center, LLC | Houston, TX | - | - | - | Oct 2025 | $16.70M | ||
| Grand Ridge Energy IV LLC | Chicago, IL | - | - | - | Oct 2025 | $210.95k | ||
| Grand Ridge Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $1.93M | ||
| Grand River Dam Authority | Chouteau, OK | State-Owned Utility | 4 | 4.9 TWh | May 2026 | Oct 2025 | $138.38M | $5.97M |
| Granite Ridge Energy LLC | Londonderry, NH | Independent Power Producer | 1 | 4.1 TWh | May 2026 | Oct 2025 | $20.26M | |
| Grant Plains Wind, LLC | Birmingham, AL | - | - | - | Oct 2025 | $321.02k | ||
| Gratiot County Wind LLC | Chicago, IL | - | - | - | Oct 2025 | $6.18M | ||
| Grays Ferry Cogeneration Partnership | Boston, MA | - | - | - | Oct 2025 | $7.26M | ||
| Great Cove Solar II LLC | Louisville, CO | - | - | - | Oct 2025 | $3.34M | $38.52k | |
| Great Cove Solar LLC | Louisville, CO | - | - | - | Oct 2025 | $1.66M | ||
| Great Pathfinder Wind | Charlottesville, VA | Independent Power Producer | 1 | 789.0 GWh | May 2026 | Oct 2025 | $1.70M | |
| Great Plains Windpark Legacy LLC | Bloomington, MN | Independent Power Producer | 1 | 110.9 GWh | Dec 2024 | Oct 2025 | $312.02k | |
| Great Prairie Wind LLC | Juno Beach, FL | Independent Power Producer | 2 | 4.5 TWh | May 2026 | Oct 2025 | $3.34M | |
| Great River Energy | Maple Grove, MN | Cooperative | 11 | 714.7 GWh | May 2026 | Oct 2025 | $58.86M | $29.84M |
| Great Valley Solar 1, LLC | Valhalla, NY | - | - | - | Oct 2025 | $4.35M | ||
| Great Valley Solar 2, LLC | Valhalla, NY | - | - | - | Oct 2025 | $2.35M | ||
| Great Valley Solar 3, LLC | Valhalla, NY | - | - | - | Oct 2025 | $667.33k | ||
| Great Western Wind Energy, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $4.21M | ||
| Green Mountain Energy Company | Princeton, NJ | - | - | - | Oct 2025 | $202.88k | ||
| Green Mountain Power Corp | Colchester, VT | Investor-Owned Utility | 47 | 571.7 GWh | May 2026 | Oct 2025 | $8.19M | $48.76M |
| Green River Wind Farm Phase 1, LLC | Bloomington, MN | Independent Power Producer | 1 | 493.6 GWh | Apr 2026 | Oct 2025 | $3.33M | |
| Green USA, LLC | Brooklyn, NY | - | - | - | Oct 2025 | $1.39k | ||
| Greenidge Generation Holdings LLC | Dresden, NY | Independent Power Producer | 1 | 691.0 GWh | Dec 2025 | Oct 2025 | $2.84M | |
| Greenlight Energy Inc. | Birmingham, AL | - | - | - | Oct 2025 | $25.50k | ||
| Greensville County Solar Project, LLC | Richmond, VA | - | - | - | Oct 2025 | $1.87M | ||
| Griffiss Utility Services Corporation | Rome, NY | - | - | - | Oct 2025 | $118.20k | ||
| GRP Te Lessee, LLC | Issaquah, WA | - | - | - | Oct 2025 | $16.61M | ||
| GSG Wind, LLC | Dallas, TX | - | - | - | Oct 2025 | $1.77M | ||
| GSP Newington LLC | Bow, NH | - | - | - | Oct 2025 | $11.80M | $1.40M | |
| Guernsey Power Station LLC | New York, NY | Independent Power Producer | 1 | 13.1 TWh | May 2026 | Oct 2025 | $86.92M | |
| Guzman Energy, LLC | Denver, CO | - | - | - | Oct 2025 | $46.33M | $13.53M | |
| Ga Solar 3, LLC | Miami, FL | Independent Power Producer | - | - | Dec 2022 | Sep 2025 | $1.18M | |
| GANS Energy LLC | GANS, PA | Independent Power Producer | 1 | 149.8 GWh | Dec 2025 | Sep 2025 | $3.59M | |
| Garden Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 368.5 GWh | May 2026 | Sep 2025 | $4.76M | |
| Garnet Mesa Solar LLC | Scottsdale, AZ | Independent Power Producer | 1 | 159.5 GWh | May 2026 | Sep 2025 | $246.59k | |
| GB II Connecticut LLC | Birmingham, AL | - | - | - | Sep 2025 | $58.67M | ||
| GB II New Haven LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.42M | ||
| Genbright LLC | Houston, TX | - | - | - | Sep 2025 | $108.11k | $14.81k | |
| Genconn Energy LLC | Houston, TX | - | - | - | Sep 2025 | $11.89M | ||
| Generation Bridge Connecticut Holdings, LLC | Birmingham, AL | - | - | - | Sep 2025 | $15.61M | $15.61M | |
| Generation Bridge M&M Holdings, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.06M | $3.06M | |
| Genesee Power Station Limited Partnership | ANN Arbor, MI | - | - | - | Sep 2025 | $3.99M | ||
| Genesis Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 671.3 GWh | May 2026 | Sep 2025 | $44.25M | |
| Georgia-Pacific Toledo LLC | Toledo, OR | Industrial | 2 | 52.4 GWh | Dec 2025 | Sep 2025 | $461.48k | $34.98k |
| Glen Ullin Energy Center, LLC | Duluth, MN | - | - | - | Sep 2025 | $1.41M | ||
| Glover Creek Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 131.3 GWh | May 2026 | Sep 2025 | $1.65M | |
| Goal Line LP | Denver, CO | Independent Power Producer | 1 | 11.7 GWh | May 2026 | Sep 2025 | $6.06M | |
| Golden Fields Solar I, LLC | Austin, TX | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $2.29M | |
| Golden Fields Solar IV, LLC | San Francisco, CA | Independent Power Producer | 1 | 324.0 GWh | May 2026 | Sep 2025 | ||
| Golden Hills Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 262.0 GWh | Dec 2025 | Sep 2025 | $14.45M | |
| Golden West Power Partners, LLC | Juno Beach, FL | Independent Power Producer | 1 | 853.6 GWh | May 2026 | Sep 2025 | $7.04M | |
| Goose Prairie Solar LLC | New York, NY | Independent Power Producer | 1 | 201.5 GWh | May 2026 | Sep 2025 | $4.98M | |
| Goshen Phase II LLC | Houston, TX | - | - | - | Sep 2025 | $9.74M | ||
| Grand VIew PV Solar Two, LLC | Grand VIew, ID | Independent Power Producer | 1 | 204.1 GWh | May 2026 | Sep 2025 | $3.89M | |
| Granite Mountain Solar East LLC | Boston, MA | Independent Power Producer | - | - | - | Sep 2025 | $3.05M | |
| Granite Mountain Solar West, LLC | Boston, MA | Independent Power Producer | - | - | - | Sep 2025 | $2.12M | |
| Granite Reliable Power | Millinocket, ME | Independent Power Producer | - | - | Dec 2020 | Sep 2025 | $5.21M | |
| Grant Wind, LLC | Charlottesville, VA | Independent Power Producer | - | - | - | Sep 2025 | $3.12M | |
| Graphite Solar I, LLC | Charlotte, NC | - | - | - | Sep 2025 | $1.50M | ||
| Gravel Pit Solar III, LLC | New York, NY | - | - | - | Sep 2025 | $1.02M | ||
| Gravel Pit Solar IV, LLC | New York, NY | - | - | - | Sep 2025 | $1.79M | ||
| Gray County Wind Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 257.1 GWh | Dec 2025 | Sep 2025 | $1.44M | |
| Gray Hawk Solar, LLC | New York, NY | Independent Power Producer | 1 | 153.9 GWh | May 2026 | Sep 2025 | $2.41M | |
| Grayling Generating Station Limited Partnership | ANN Arbor, MI | - | - | - | Sep 2025 | $4.57M | ||
| Grays Harbor Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $43.98M | ||
| Grazing Yak Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 77.6 GWh | May 2026 | Sep 2025 | $781.54k | |
| Great American Gas & Electric, LLC | Harrison, NY | - | - | - | Sep 2025 | $589.05k | $2.50M | |
| Great Bay Solar I LLC | Oakville, ON | Independent Power Producer | 1 | 148.6 GWh | May 2026 | Sep 2025 | $2.34M | |
| Great Lakes Hydro America LLC | Millinocket, ME | Independent Power Producer | 2 | 651.7 GWh | Dec 2025 | Sep 2025 | $9.59M | |
| Great River Hydro, LLC | Westborough, MA | Independent Power Producer | 13 | 1.4 TWh | Dec 2025 | Sep 2025 | $44.29M | |
| Green River Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 426.6 GWh | May 2026 | Sep 2025 | $3.39M | |
| Griffith Energy LLC | Kingman, AZ | Independent Power Producer | 1 | 4.3 TWh | May 2026 | Sep 2025 | $25.28M | $13.33k |
| Grissom Solar, LLC | Asheville, NC | Independent Power Producer | - | 10.6 GWh | Dec 2024 | Sep 2025 | $507.31k | |
| Groton Bess 1 LLC | Arlington, VA | Independent Power Producer | 1 | -117.0 MWh | Dec 2024 | Sep 2025 | $33.37k | |
| Groton Bess 2 LLC | Arlington, VA | Independent Power Producer | 1 | -147.0 MWh | Dec 2024 | Sep 2025 | $28.83k | |
| Groton Station Fuel Cell, LLC | Danbury, CT | Independent Power Producer | 1 | 44.3 GWh | Dec 2024 | Sep 2025 | $483.85k | |
| Groton Wind, LLC | Portland, OR | - | - | - | Sep 2025 | $1.21M | ||
| GRP Franklin, LLC | Carnesville, GA | - | - | - | Sep 2025 | $8.34M |
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 |