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 |
|---|---|---|---|---|---|---|---|---|
| Helvetia Solar, LLC | Hillsboro, OR | - | - | - | Sep 2025 | $37.67k | ||
| Helix Maine Wind Development, LLC | Chain Of Ponds TWP., ME | Independent Power Producer | 1 | 282.1 GWh | Dec 2025 | Sep 2025 | $3.28M | |
| Helix Ironwood LLC | Lebanon, PA | Independent Power Producer | 1 | 5.4 TWh | Dec 2025 | Oct 2025 | $43.27M | |
| Heliovaas LLC | Springfield, MA | Commercial | 3 | 5.1 GWh | Dec 2024 | - | ||
| Helios Ny I, LLC | Juno Beach, FL | Independent Power Producer | 2 | 3.6 GWh | Dec 2024 | - | ||
| Helios Energy New York 3 LLC | Juno Beach, FL | Independent Power Producer | 1 | 7.9 GWh | Dec 2024 | - | ||
| Helios Energy New York 2 LLC | Juno Beach, FL | Independent Power Producer | 1 | 7.3 GWh | Dec 2024 | - | ||
| Helios Energy New York 15 LLC | Juno Beach, FL | Independent Power Producer | 1 | 7.9 GWh | Dec 2024 | - | ||
| Helios Energy New York 13 LLC | Juno Beach, FL | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| Heliocentric LLC | Santa Monica, CA | Independent Power Producer | 1 | 2.1 GWh | Dec 2024 | - | ||
| Helena Wind, LLC | Chicago, IL | Independent Power Producer | 1 | 817.0 GWh | Dec 2025 | - | ||
| Heirloom Solar (Ratts 1 Phase 2 Solar, LLC) | Scottsdale, AZ | Independent Power Producer | 1 | 17.3 GWh | Dec 2025 | - | ||
| Heimlich Solar Partners LLC | Overland Park, KS | Independent Power Producer | 1 | 9.2 GWh | Dec 2024 | - | ||
| Heelstone Energy Holdings, LLC | Baton Rouge, LA | Independent Power Producer | 22 | 254.9 GWh | Dec 2024 | - | ||
| Hecate Energy West Newberry, LLC | Chicago, IL | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Hecate Energy Upshur Rural LLC | Chicago, IL | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| Hecate Energy Ramsey, LLC | Chicago, IL | Independent Power Producer | 2 | 975.6 GWh | Dec 2025 | - | ||
| Hecate Energy Johanna Facility LLC | Chicago, IL | Independent Power Producer | 1 | -3.3 GWh | Dec 2024 | Oct 2025 | $1.09M | |
| Hecate Energy Highland LLC | New York, NY | Independent Power Producer | 1 | 625.9 GWh | Dec 2025 | Sep 2025 | $7.44M | |
| Hecate Energy Desert Storage 1 LLC | Chicago, IL | Independent Power Producer | 1 | - | - | Oct 2025 | $62.06k | |
| Hecate Energy Blair Road LLC | Chicago, IL | Independent Power Producer | 1 | 6.1 GWh | Dec 2024 | - | ||
| Hecate Energy Albany 2 LLC | Montpelier, VT | - | - | - | Sep 2025 | $485.22k | ||
| Hecate Energy Albany 1 LLC | Chicago, IL | Independent Power Producer | - | - | - | Sep 2025 | $363.07k | |
| Heber Light & Power Company | Heber, UT | Municipally-Owned Utility | 4 | 38.4 GWh | Dec 2024 | - | ||
| Heber Geothermal Company LLC | Reno, NV | - | - | - | Sep 2025 | $8.15M | ||
| Heartland Generation Ltd. | Calgary, AB | - | - | - | Sep 2025 | $980.06k | $135.77k | |
| Heartland Divide Wind Project, LLC | Juno Beach, FL | Independent Power Producer | 1 | 463.1 GWh | Dec 2025 | Sep 2025 | $2.57M | |
| Heartland Divide Wind II, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $4.21M | ||
| Heartland Divide II | Juno Beach, FL | Independent Power Producer | 1 | 871.3 GWh | Dec 2025 | - | ||
| Heartland Community College | Normal, IL | Commercial | 1 | 4.1 GWh | Dec 2024 | - | ||
| Headwaters Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 679.3 GWh | Dec 2024 | Oct 2025 | $5.92M | |
| Headwaters Wind Farm II LLC | Houston, TX | - | - | - | Oct 2025 | $5.16M | ||
| Headwater Energy, LLC | LOS Angeles, CA | Independent Power Producer | 3 | 141.0 GWh | Dec 2025 | - | ||
| HDSI, LLC | Delray, FL | - | - | - | Sep 2025 | $3.89M | ||
| HD Project One LLC | Norwalk, CT | - | - | - | Oct 2025 | $68.68k | ||
| HCE Moore I, LLC | Asheville, NC | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| HCE Johnston I, LLC | Raleigh, NC | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| Hazleton Generation LLC | Hazle Township, PA | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | Oct 2025 | $2.22M | |
| Hazle Spindle, LLC | New York, NY | - | - | - | Oct 2025 | $1.79M | ||
| Hazel Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 4.1 GWh | Dec 2024 | - | ||
| Haywood Solar, SMLLC | Nashville, TN | Independent Power Producer | 1 | 5.7 GWh | Dec 2025 | - | ||
| Haystack Wind Project, LLC | Carroll, NE | Independent Power Producer | 1 | 864.6 GWh | Dec 2025 | Oct 2025 | $804.86k | |
| Hays Energy, LLC | San Marcos, TX | Independent Power Producer | 1 | 5.6 TWh | Dec 2025 | - | ||
| Hayhurst Texas Solar | Ontario | Independent Power Producer | 1 | 64.7 GWh | Dec 2024 | - | ||
| Hayhurst New Mexico Solar | Wilmington, DE | Independent Power Producer | 1 | 66.9 GWh | Dec 2024 | - | ||
| Hayes Solar, LLC | Charlotte, NC | Independent Power Producer | 1 | 6.8 GWh | Dec 2024 | - | ||
| Hay Canyon Wind LLC | Portland, OR | - | - | - | Sep 2025 | $3.53M | $367.53k | |
| Hawtree Creek Farm Solar, LLC | Houston, TX | Independent Power Producer | 1 | 131.7 GWh | Dec 2025 | Sep 2025 | $2.07M | |
| Hawks Nest Hydro LLC | Queensbury, NY | Independent Power Producer | 2 | 485.3 GWh | Dec 2024 | Sep 2025 | $5.99M | |
| Hawkeye Power Partners LLC | Juno Beach, FL | Independent Power Producer | 1 | 191.4 GWh | Dec 2024 | Oct 2020 | ||
| Hawkeye Energy Greenport LLC | Melville, NY | Independent Power Producer | 1 | 24.9 GWh | Dec 2024 | Mar 2021 | ||
| Hawaiian Electric Co Inc | Honolulu, HI | Investor-Owned Utility | 13 | 4.3 TWh | Dec 2025 | - | ||
| Hawaii Electric Light Co Inc | HILO, HI | Investor-Owned Utility | 9 | 572.2 GWh | Dec 2025 | - | ||
| Haw River Hydro Co | Asheboro, NC | Independent Power Producer | 1 | 4.4 GWh | Dec 2024 | - | ||
| Haviland Plastic Products Co | Haviland, OH | Commercial | 1 | 14.0 GWh | Dec 2024 | - | ||
| Haverhill Coke Company, LLC | Lisle, IL | - | - | - | Oct 2025 | $3.37M | ||
| Hattiesburg Farm, LLC | Nashville, TN | Independent Power Producer | 1 | 94.1 GWh | Dec 2025 | Sep 2025 | $1.41M | |
| Hatfield Renewables, LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2024 | - | ||
| Hatchet Ridge Wind, LLC | Houston, TX | - | - | - | Sep 2025 | $5.73M | ||
| Hatch Solar Energy Center I, LLC | Juno Beach, FL | Independent Power Producer | 1 | 11.1 GWh | Dec 2025 | Sep 2025 | $368.63k | |
| Hastings Lock & Dam | Hastings, MN | Municipally-Owned Utility | 1 | 15.7 GWh | Dec 2024 | - | ||
| Harvest Windfarm, LLC | Baltimore, MD | Independent Power Producer | 1 | 125.2 GWh | Dec 2024 | Sep 2025 | $1.48M | |
| Harvest Wind Project Tic | Seattle, WA | Independent Power Producer | 1 | 276.5 GWh | Dec 2024 | - | ||
| Harvest Ridge Wind Farm | Houston, TX | Independent Power Producer | 1 | 745.1 GWh | Dec 2025 | - | ||
| Harvest Midstream Co | Bloomfield, NM | Industrial | 3 | 50.8 GWh | Dec 2025 | - | ||
| Harvest II Windfarm, LLC | Baltimore, MD | Independent Power Producer | 1 | 218.5 GWh | Dec 2024 | Oct 2025 | $1.57M | |
| Harvest Gold Solar Power, LLC | Boston, MA | Independent Power Producer | 1 | 190.6 GWh | Dec 2025 | Sep 2025 | $2.62M | |
| Harvard Dedicated Energy Limited | Cambridge, MA | - | - | - | Sep 2025 | $1.78M | $1.66M | |
| Hartz Solar, LLC | Secaucus, NJ | Commercial | 11 | 19.8 GWh | Dec 2024 | - | ||
| Hartz Solar Hamilton LLC | Commercial | - | 9.5 GWh | Dec 2023 | - | |||
| Harts Mills Solar, LLC | Santa Monica, CA | Independent Power Producer | 1 | 182.0 GWh | Dec 2025 | Sep 2025 | $2.21M | |
| Hartree Partners LP | New York, NY | Independent Power Producer | 1 | 2.8 TWh | Dec 2025 | Oct 2025 | $217.65M | $20.03M |
| Hartmann Community Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.3 GWh | Dec 2024 | - | ||
| Hart Wind Project, LLC | Juno Beach, FL | Independent Power Producer | 1 | 344.0 GWh | Dec 2025 | - | ||
| Harry Allen Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $2.76M | ||
| Harrison Solar, LLC | Charlotte, NC | Independent Power Producer | 1 | 10.7 GWh | Dec 2024 | - | ||
| Harrisburg Authority | Harrisburg, PA | Municipally-Owned Utility | 1 | 112.6 GWh | Dec 2025 | - | ||
| Harris Farms Inc | Coalinga, CA | Commercial | 1 | 3.0 GWh | Dec 2024 | - | ||
| Harquahala Sun 2, LLC | Dana Point, CA | - | - | - | Sep 2025 | $20.95M | ||
| Harquahala Sun 1, LLC | Dana Point, CA | - | - | - | Sep 2025 | $1.25M | ||
| Harmony Florida Solar LLC | Juno Beach, FL | Independent Power Producer | 1 | 189.0 GWh | Dec 2025 | Sep 2025 | $1.94M | |
| Harmony Florida Solar II, LLC | Juno Beach, FL | Independent Power Producer | 1 | 194.0 GWh | Dec 2025 | Sep 2025 | $1.90M | |
| Hardy Hills Solar LLC | Frankfort, IN | Investor-Owned Utility | 1 | 371.2 GWh | Dec 2025 | Sep 2025 | $4.20M | |
| Hardscrabble Wind Power LLC | Portland, OR | - | - | - | Sep 2025 | $1.68M | ||
| Hardin Wind LLC | Chicago, IL | - | - | - | Oct 2025 | $6.94M | ||
| Hardin Solar Energy III LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $6.99M | ||
| Hardin Solar Energy III | Chicago, IL | Independent Power Producer | 1 | 470.6 GWh | Dec 2025 | Oct 2025 | $4.05M | |
| Hardin Solar Energy II LLC | Chicago, IL | Independent Power Producer | - | - | - | Oct 2025 | $4.13M | |
| Hardee Power Partners Limited | Chicago, IL | - | - | - | Sep 2025 | $8.53M | ||
| Harborside Energy, LLC | Brooklyn, NY | - | - | - | Sep 2025 | $21.05k | ||
| Harbor Road Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 3.0 GWh | Dec 2024 | - | ||
| Harbor Cogeneration Co. | Wilmington, CA | Independent Power Producer | 1 | 20.1 GWh | Dec 2024 | Oct 2025 | $48.09k | |
| Harbec Energy | Ontario, NY | Industrial | 1 | 655.1 MWh | Dec 2024 | - | ||
| Happy Solar 1, LLC | San Francisco, CA | - | - | - | Sep 2025 | $517.02k | ||
| Happy Jack Windpower, LLC | Charlotte, NC | - | - | - | Sep 2025 | $687.66k | ||
| Hanging Rock Power Company LLC | Irving, TX | - | - | - | Oct 2025 | $103.44M | ||
| Hangar 160 LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Hanford Renewable Energy LLC | Hanford, CA | Commercial | 2 | 12.3 GWh | Dec 2024 | - | ||
| Handsome Lake Energy LLC | Baltimore, MD | Independent Power Producer | 1 | 95.2 GWh | Dec 2024 | Sep 2025 | $1.97M | |
| Hancock Wind LLC | Boston,, MA | Independent Power Producer | - | - | - | Sep 2025 | $1.15M |
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 | Dec 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Dec 2025 | Natural Gas : 94.9% Bituminous Coal : 5.1% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Dec 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Dec 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Dec 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Dec 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Dec 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Dec 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Dec 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Dec 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Dec 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Dec 2025 | Natural Gas : 74.9% Bituminous Coal : 24.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Dec 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Dec 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Dec 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Dec 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Dec 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Dec 2025 | Nuclear |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Dec 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Dec 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Dec 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Dec 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Dec 2025 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Dec 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Dec 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Dec 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Dec 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Dec 2025 | Subbituminous Coal : 74.7% Bituminous Coal : 16.0% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Dec 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Dec 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Dec 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Dec 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Dec 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Dec 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Dec 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Dec 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Dec 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Dec 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Dec 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Dec 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Dec 2025 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Dec 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Dec 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 21 TWh | Mar 1967 | Dec 2025 | Nuclear : 68.7% Natural Gas : 31.3% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Dec 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 16 TWh | May 1958 | Dec 2025 | Subbituminous Coal : 83.3% Natural Gas : 16.7% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 16 TWh | Apr 1996 | Dec 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Dec 2025 | Natural Gas : 99.9% |