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 2025Q1 Seller Transactions | FERC 2025Q1 Buyer Transactions |
|---|---|---|---|---|---|---|---|---|
| H.A. Wagner LLC | Allentown, PA | Independent Power Producer | 1 | 196.7 GWh | May 2025 | Jul 2025 | $25.48M | |
| Gwitchyaa ZHEE Utility Co | Fort Yukon, AK | Investor-Owned Utility | 1 | 2.8 GWh | Dec 2023 | - | ||
| GWE Cranberry Solar RT, LLC | Middleborough, MA | Independent Power Producer | 1 | 1.5 GWh | Dec 2024 | - | ||
| GWCC PV Solar Farm | Beltsville, MD | Federally-Owned Utility | 1 | 2.2 GWh | Dec 2024 | - | ||
| Guzman Western Slope LLC | Denver, CO | - | - | - | Jun 2025 | $8.85M | ||
| Gunsight Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 185.0 GWh | May 2025 | Jun 2025 | $1.13M | |
| Gundersen Lutheran Biogas I LLC | La Crosse, WI | Independent Power Producer | 1 | 4.7 GWh | Dec 2024 | - | ||
| Gulf Coast Solar Center III, LLC | Scottsdale, AZ | - | - | - | Jun 2025 | $1.39M | ||
| Gulf Coast Solar Center II, LLC | Scottsdale, AZ | - | - | - | Jun 2025 | $1.27M | ||
| Guernsey Power Station LLC | New York, NY | Independent Power Producer | 1 | 12.6 TWh | May 2025 | Jul 2025 | $148.25M | |
| Guadalupe Power Partners LP | |Independent Power Producer | 2 | 6.7 TWh | May 2025 | - | |||
| GSPP Boxborough Littleton, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| GSP White Lake LLC | Bow, NH | - | - | - | Jun 2025 | $52.88k | ||
| GSP Schiller LLC | Bow, NH | - | - | - | Jun 2025 | $52.82k | ||
| GSP Newington LLC | Bow, NH | - | - | - | Jul 2025 | $13.82M | ||
| GSP Merrimack LLC | Bow, NH | - | - | - | Jun 2025 | $18.14M | ||
| GSP Lost Nation LLC | Bow, NH | - | - | - | Jun 2025 | $26.42k | ||
| GSG Wind, LLC | Dallas, TX | - | - | - | Jul 2025 | $4.86M | ||
| GSG 6, LLC | Oakville, ON | - | - | - | Jun 2025 | $2.03M | ||
| Gseone | Houston, TX | Independent Power Producer | 1 | 182.0 GWh | May 2025 | - | ||
| GSA Metropolitan Service Center | Washington, DC | Federally-Owned Utility | 1 | 86.0 GWh | May 2025 | - | ||
| GRP Te Lessee, LLC | Houston, TX | - | - | - | Jun 2025 | $19.67M | ||
| GRP Madison Renewable Energy Facility, LLC | Colbert, GA | Independent Power Producer | 1 | 436.4 GWh | May 2025 | - | ||
| GRP Madison, LLC | Colbert, GA | - | - | - | Jun 2025 | $10.80M | ||
| GRP Franklin Renewable Energy Facility, LLC | Carnesville, GA | Independent Power Producer | 1 | 418.7 GWh | May 2025 | - | ||
| GRP Franklin, LLC | Carnesville, GA | - | - | - | Jun 2025 | $8.87M | ||
| Groton Wind, LLC | Portland, OR | - | - | - | Jun 2025 | $4.48M | ||
| Groton Station Fuel Cell, LLC | Danbury, CT | Independent Power Producer | 1 | 36.4 GWh | Dec 2023 | Jun 2025 | $516.37k | |
| Groton Fuel Cell 1 LLC | Danbury, CT | Independent Power Producer | 1 | 33.6 GWh | Dec 2024 | - | ||
| Groton Bess 2 LLC | Arlington, VA | Independent Power Producer | 1 | -147.0 MWh | Dec 2024 | Jun 2025 | $45.56k | |
| Groton Bess 1 LLC | Arlington, VA | Independent Power Producer | 1 | -117.0 MWh | Dec 2024 | Jun 2025 | $55.29k | |
| Grizzly Ridge Solar LLC | Hamilton, TX | Independent Power Producer | 1 | 171.9 GWh | May 2025 | - | ||
| Grizzly Mountain Ranch | Zenia, CA | Independent Power Producer | 1 | 3.0 GWh | Dec 2023 | - | ||
| Grissom Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 11.1 GWh | Dec 2023 | Jun 2025 | $449.75k | |
| Grimm CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.9 GWh | Dec 2024 | - | ||
| Griffith Energy LLC | Kingman, AZ | Independent Power Producer | 1 | 4.1 TWh | May 2025 | Jun 2025 | $34.17M | $176.75k |
| Griffiss Utility Services Corporation | Rome, NY | - | - | - | Jul 2025 | $43.06k | ||
| Griffin Trail Wind, LLC | San Diego, CA | Independent Power Producer | 1 | 754.5 GWh | May 2025 | - | ||
| Griffin Road Solar LLC | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | |||
| Griffin Road Solar 2, LLC | Boston, MA | Independent Power Producer | 1 | 2.4 GWh | Dec 2024 | - | ||
| Gridflex Generation, LLC | Washington, DC | - | - | - | Jun 2025 | $1.91M | $1.90M | |
| Grid Power Direct, LLC | Brooklyn, NY | - | - | - | Jul 2025 | $1.73M | $450.68k | |
| Gregory Power Partners LLC | Princeton, NJ | Industrial | 1 | 713.5 GWh | May 2025 | - | ||
| Greensville County Solar Project, LLC | Richmond, VA | - | - | - | Jul 2025 | $928.36k | ||
| Greenstone Solar, LLC | New York, NY | Independent Power Producer | 1 | 38.0 GWh | Dec 2024 | - | ||
| Greensburg Wind Farm, LLC | Baltimore, MD | Independent Power Producer | 1 | 12.0 GWh | Dec 2024 | - | ||
| Greenlight Energy Inc. | Birmingham, AL | - | - | - | Jul 2025 | $43.49k | ||
| Greenleaf Energy Unit 2 LLC | Birmingham, AL | - | - | - | Jun 2025 | $197.48k | $85.54k | |
| Greenleaf Energy LLC | YUBA City, CA | Independent Power Producer | 1 | 31.3 GWh | Apr 2025 | - | ||
| Greenidge Generation Holdings LLC | Dresden, NY | Independent Power Producer | 1 | 730.3 GWh | Dec 2024 | Jul 2025 | $9.24M | |
| Greenfield Wind Power, LLC | San Francisco, CA | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | - | ||
| Greenbacker Renewable Energy Corporation | New York, NY | Independent Power Producer | 197 | 3.1 TWh | May 2025 | - | ||
| Green USA, LLC | Brooklyn, NY | - | - | - | Jun 2025 | $2.21k | ||
| Green Street Power Partners | Stamford, CT | Commercial | 39 | 159.4 GWh | Dec 2024 | - | ||
| Green River Wind Farm Phase 1, LLC | Bloomington, MN | Independent Power Producer | 1 | 578.4 GWh | May 2025 | Jul 2025 | $5.19M | |
| Green River Solar, LLC | Juno Beach, FL | Industrial | 1 | 28.4 GWh | May 2025 | Jun 2025 | ||
| Green Providence Wind II, LLC | Cranston, RI | Independent Power Producer | 1 | 4.0 GWh | Dec 2024 | - | ||
| Green Providence Wind I, LLC | Cranston, RI | Independent Power Producer | 1 | 1.7 GWh | Dec 2024 | - | ||
| Green Pastures Wind II, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 319.4 GWh | Dec 2024 | - | ||
| Green Pastures Wind I, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 296.4 GWh | Dec 2024 | - | ||
| Green Mountain Power Corp | Colchester, VT | Investor-Owned Utility | 47 | 632.7 GWh | May 2025 | Jul 2025 | $122.17M | $68.47M |
| Green Mountain Energy Company | Princeton, NJ | - | - | - | Jul 2025 | $303.41k | ||
| Green Mile Solar, LLC | New York, NY | Independent Power Producer | 1 | 7.2 GWh | Dec 2024 | - | ||
| Green Energy Machine, LLC | Greenfield, IA | Independent Power Producer | 1 | 7.3 GWh | Dec 2024 | - | ||
| Green Cow Power LLC | Goshen, IN | Industrial | 1 | 14.4 GWh | Dec 2024 | - | ||
| Green Country Op Services LLC | Jenks, OK | Independent Power Producer | 1 | 4.3 TWh | May 2025 | - | ||
| Green Country Energy, LLC | Columbus, OH | - | - | - | Jun 2025 | $40.87M | ||
| Green Correctional Coxsackie Ny Solar LLC | Framingham, MA | Independent Power Producer | 1 | 9.1 GWh | Dec 2024 | - | ||
| Green City Recovery, LLC | Georgetown, KY | Industrial | 1 | 1.4 GWh | Dec 2024 | - | ||
| Greater Sandhill I LLC | Morristown, NJ | Independent Power Producer | 1 | 45.5 GWh | Dec 2023 | - | ||
| Great Western Wind Energy, LLC | Phoenix, AZ | - | - | - | Jul 2025 | $2.05M | ||
| Great Valley Solar 3, LLC | Valhalla, NY | - | - | - | Jun 2025 | $718.65k | ||
| Great Valley Solar 2, LLC | Valhalla, NY | - | - | - | Jul 2025 | $1.42M | ||
| Great Valley Solar 1, LLC | Valhalla, NY | - | - | - | Jul 2025 | $2.74M | ||
| Great River Hydro, LLC | Westborough, MA | Independent Power Producer | 13 | 1.8 TWh | Dec 2024 | Jun 2025 | $50.94M | |
| Great River Energy | Maple Grove, MN | Cooperative | 10 | 463.9 GWh | May 2025 | Jul 2025 | $73.65M | $48.07M |
| Great Prairie Wind LLC | Juno Beach, FL | Independent Power Producer | 2 | 4.4 TWh | May 2025 | Jul 2025 | $-370.94k | |
| Great Plains Windpark Legacy LLC | Bloomington, MN | Independent Power Producer | 1 | 110.9 GWh | Dec 2024 | Mar 2025 | $428.12k | |
| Great Pathfinder Wind | Charlottesville, VA | Independent Power Producer | 1 | 875.3 GWh | May 2025 | Jul 2025 | $2.98M | |
| Great Lakes Hydro America LLC | Millinocket, ME | Independent Power Producer | 2 | 786.6 GWh | Dec 2024 | Jun 2025 | $18.25M | |
| Great Cove Solar LLC | Louisville, CO | - | - | - | Jul 2025 | $982.23k | ||
| Great Cove Solar II LLC | Louisville, CO | - | - | - | Jul 2025 | $2.04M | $56.83k | |
| Great Bay Solar II, LLC | Oakville, ON | - | - | - | Jun 2025 | $617.41k | ||
| Great Bay Solar I LLC | Oakville, ON | Independent Power Producer | 1 | 153.5 GWh | May 2025 | Jun 2025 | $1.73M | |
| Great Bay Hydro Corp | Boulder, CO | Independent Power Producer | 2 | 21.5 GWh | Dec 2023 | Oct 2017 | ||
| Great American Gas & Electric, LLC | Harrison, NY | - | - | - | Jun 2025 | $654.40k | $2.40M | |
| Greasewood II LLC | Austin, TX | Independent Power Producer | 1 | 471.9 GWh | May 2025 | - | ||
| Grazing Yak Solar, LLC | Juno Beach, FL | Independent Power Producer | 1 | 91.5 GWh | May 2025 | Jun 2025 | $521.08k | |
| Grays Harbor Energy LLC | Chicago, IL | - | - | - | Jun 2025 | $44.18M | ||
| Grays Ferry Cogeneration Partnership | Boston, MA | - | - | - | Jul 2025 | $14.70M | ||
| Grays Ferry Cogen Partnership | Philadelphia, PA | Independent Power Producer | 1 | 1.3 TWh | Dec 2024 | - | ||
| Grayling Generating Station Limited Partnership | ANN Arbor, MI | - | - | - | Jul 2025 | $5.23M | ||
| Gray Hawk Solar, LLC | New York, NY | Independent Power Producer | 1 | 155.2 GWh | May 2025 | Jun 2025 | $1.58M | |
| Gray County Wind Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 289.4 GWh | Dec 2024 | Jun 2025 | $1.09M | |
| Gravel Pit Solar, LLC | New York, NY | Independent Power Producer | 1 | 33.8 GWh | May 2025 | - | ||
| Gravel Pit Solar IV, LLC | New York, NY | - | - | - | Jun 2025 | $302.02k | ||
| Gravel Pit Solar III, LLC | New York, NY | - | - | - | Jun 2025 | $169.74k | ||
| Gratiot County Wind LLC | Chicago, IL | - | - | - | Jul 2025 | $7.84M | ||
| Graphite Solar I, LLC | Charlotte, NC | - | - | - | Jun 2025 | $1.18M | ||
| Grant Wind, LLC | Charlottesville, VA | Independent Power Producer | - | - | - | Jun 2025 | $3.68M |
Top Power Plants in United States
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Arkansas Nuclear One | Russellville, Arkansas | 15 TWh | Nov 1974 | May 2025 | Nuclear |
| Barry | Bucks, Alabama | 14 TWh | Jan 1954 | May 2025 | Natural Gas : 93.4% Bituminous Coal : 6.6% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | May 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | May 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | May 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 29 TWh | Jul 1974 | May 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | May 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | May 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | May 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | May 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | May 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | May 2025 | Natural Gas : 77.9% Bituminous Coal : 21.9% |
| Diablo Canyon | Avila Beach, California | 19 TWh | Apr 1985 | May 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | May 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | May 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | May 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 12 TWh | Sep 1974 | May 2025 | Bituminous Coal : 99.4% Distillate Fuel Oil : 0.6% |
| Ghent | Ghent, Kentucky | 11 TWh | Jan 1974 | May 2025 | Bituminous Coal : 99.9% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | May 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 12 TWh | Jun 1985 | May 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | May 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | May 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | May 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | May 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 18 TWh | Sep 1978 | May 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 14 TWh | Nov 1977 | May 2025 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | May 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | May 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | May 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | May 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 16 TWh | Nov 1975 | May 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | May 2025 | Subbituminous Coal : 74.4% Bituminous Coal : 15.9% Petroleum Coke : 9.5% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | May 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | May 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | May 2025 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | May 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | May 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 11 TWh | May 2012 | May 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 17 TWh | May 1971 | May 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | May 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | May 2025 | Water |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | May 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | May 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | May 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | May 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | May 2025 | Nuclear : 67.4% Natural Gas : 32.6% |
| Vogtle | Waynesboro, Georgia | 35 TWh | Apr 1987 | May 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | May 2025 | Subbituminous Coal : 83.3% Natural Gas : 16.7% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | May 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | May 2025 | Natural Gas : 99.9% |