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 |
|---|---|---|---|---|---|---|---|---|
| Solar Planet Power | Columbus, OH | Independent Power Producer | 9 | 37.2 GWh | Dec 2024 | - | ||
| Public Service Company Of Oklahoma | Columbus, OH | - | - | - | Oct 2025 | $118.17k | $44.34M | |
| Ohio Power Co | Columbus, OH | 1 | - | Feb 2021 | Oct 2025 | $259.73k | $163.63M | |
| NMRD Data Center III, LLC | Columbus, OH | Independent Power Producer | - | 50.9 GWh | Dec 2023 | Sep 2024 | ||
| Martinsville Onsite Generation, LLC | Columbus, OH | - | - | - | Sep 2025 | $240.52k | ||
| Kentucky Power Co | Columbus, OH | Investor-Owned Utility | 2 | 5.6 TWh | Feb 2026 | Jul 2025 | $876.82k | |
| Green Country Energy, LLC | Columbus, OH | - | - | - | Jun 2025 | $21.83M | ||
| Clyde Onsite Generation, LLC | Columbus, OH | - | - | - | Sep 2025 | $319.42k | ||
| Buckeye Power, Inc | Columbus, OH | Cooperative | 2 | 429.3 GWh | Dec 2024 | Oct 2025 | $132.23M | |
| Appalachian Power Co | Columbus, OH | Investor-Owned Utility | 20 | 22.0 TWh | Feb 2026 | Oct 2025 | $38.00M | $43.20M |
| American Municipal Power, Inc. | Columbus, OH | - | - | - | Oct 2025 | $229.50M | $50.04M | |
| American Mun Power-Ohio, Inc | Columbus, OH | Municipally-Owned Utility | 48 | 5.6 TWh | Feb 2026 | - | ||
| American Electric Power Service Corporation | Columbus, OH | - | - | - | Oct 2025 | $941.77M | $-32.66M | |
| AEP Retail Energy Partners LLC | Columbus, OH | - | - | - | Sep 2025 | $298.30k | ||
| AEP Onsite Partners, LLC | Columbus, OH | Independent Power Producer | 33 | 152.1 GWh | Feb 2026 | - | ||
| AEP Generation Resources Inc | Columbus, OH | 4 | - | Dec 2020 | Oct 2025 | $41.09M | ||
| AEP Generating Company | Columbus, OH | - | - | Dec 2016 | Sep 2025 | $66.35M | ||
| AEP Energy Partners, Inc. | Columbus, OH | - | - | - | Oct 2025 | $221.25M | $126.87M | |
| AEP Energy, Inc. | Columbus, OH | - | - | - | Oct 2025 | $27.92M | ||
| Nebraska Public Power District | Columbus, NE | Political Subdivision | 14 | 15.3 TWh | Feb 2026 | Oct 2025 | $95.54M | $91.26M |
| Loup River Public Power DIST | Columbus, NE | Political Subdivision | 2 | 157.5 GWh | Dec 2024 | - | ||
| Missouri Joint Municipal Electric Utility Commission | Columbia, MO | - | - | - | Oct 2025 | $46.71M | $10.83M | |
| Missouri JNT MUNI.PWR ELEC. Ut. COMM. | Columbia, MO | Political Subdivision | 14 | 169.3 GWh | Feb 2026 | - | ||
| Curators Of The University Of Missouri | Columbia, MO | State-Owned Utility | 1 | 219.7 GWh | Feb 2026 | Sep 2025 | $614.67k | |
| City Of Columbia - (Mo) | Columbia, MO | Municipally-Owned Utility | 2 | 37.5 GWh | Dec 2024 | Sep 2025 | $1.46M | |
| Dogwood Power Management, LLC | Columbia, MD | Independent Power Producer | 1 | 2.1 TWh | Feb 2026 | Jan 2020 | ||
| F H Stoltze Land & Lumber Co | Columbia Falls, MT | Industrial | 1 | 22.1 GWh | Feb 2026 | - | ||
| E I Colton LLC | Colton, CA | Municipally-Owned Utility | 1 | 9.9 GWh | Dec 2024 | - | ||
| Colton Power LP | Colton, CA | Independent Power Producer | 2 | 2.1 GWh | Dec 2024 | Sep 2025 | $1.32M | |
| Talen Montana LLC | Colstrip, MT | Independent Power Producer | 2 | 9.5 TWh | Feb 2026 | Sep 2025 | $7.59M | $411.28k |
| City Of Colorado Springs - (Co) | Colorado Springs, CO | Municipally-Owned Utility | 9 | 3.5 TWh | Feb 2026 | - | ||
| Illinois Power Generating Co | Collinsville, IL | Independent Power Producer | 2 | 4.0 TWh | Feb 2026 | Jan 2024 | ||
| Dynegy Midwest Generation Inc | Collinsville, IL | Independent Power Producer | 7 | 6.7 TWh | Feb 2026 | Oct 2025 | $81.42M | |
| Ameren Illinois | Collinsville, IL | Investor-Owned Utility | 1 | 323.0 MWh | Dec 2024 | Oct 2025 | $12.47M | $47.56M |
| Texas A&M, Utilities & Energy Services | College Station, TX | State-Owned Utility | 1 | 141.1 GWh | Feb 2026 | - | ||
| Trigen-Cinergy Solutions College Park | College Park, MD | Independent Power Producer | 1 | 89.8 GWh | Dec 2024 | - | ||
| Nevada Irrigation District | Colfax, CA | Political Subdivision | 9 | 165.3 GWh | Dec 2024 | - | ||
| Wind Colebrook South | Colebrook, CT | Independent Power Producer | 1 | 13.3 GWh | Feb 2026 | - | ||
| Coldwater Board Of Public UTIL | Coldwater, MI | Municipally-Owned Utility | 2 | 359.1 MWh | Dec 2024 | - | ||
| Green Mountain Power Corp | Colchester, VT | Investor-Owned Utility | 47 | 632.7 GWh | Feb 2026 | Oct 2025 | $8.19M | $48.76M |
| GRP Madison Renewable Energy Facility, LLC | Colbert, GA | Independent Power Producer | 1 | 455.5 GWh | Feb 2026 | - | ||
| GRP Madison, LLC | Colbert, GA | - | - | - | Sep 2025 | $8.27M | ||
| Roxwind LLC | Cohasset, MA | Independent Power Producer | 1 | 36.7 GWh | Dec 2024 | - | ||
| Fairhaven Wind LLC | Cohasset, MA | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| City Of Coffeyville - (KS) | Coffeyville, KS | Municipally-Owned Utility | 2 | 135.1 GWh | Dec 2024 | Sep 2025 | $9.83M | |
| W&T Offshore Inc | Coden, AL | Industrial | 2 | 60.2 GWh | Dec 2024 | - | ||
| Arizona Electric PWR Coop Inc | Cochise, AZ | Cooperative | 3 | 2.6 TWh | Feb 2026 | Oct 2025 | $7.78M | |
| Harris Farms Inc | Coalinga, CA | Commercial | 1 | 3.0 GWh | Dec 2024 | - | ||
| Foxhound Solar, LLC | Clover, VA | Investor-Owned Utility | 1 | 163.6 GWh | Feb 2026 | Oct 2025 | $1.77M | |
| Sappi Cloquet LLC | Cloquet, MN | Industrial | 1 | 475.6 GWh | Feb 2026 | - | ||
| THAD Hill Energy Center, LLC | Clifton, TX | Independent Power Producer | 1 | 4.1 TWh | Feb 2026 | - | ||
| Valley Falls Associates | Clifton Park, NY | Independent Power Producer | 1 | 7.5 GWh | Dec 2024 | - | ||
| Stillwater Associates | Clifton Park, NY | Independent Power Producer | - | 6.4 GWh | Dec 2023 | - | ||
| Fort Miller Associates | Clifton Park, NY | Independent Power Producer | 1 | 16.7 GWh | Dec 2024 | - | ||
| United States Sugar Corp | Clewiston, FL | Industrial | 2 | 284.7 GWh | Feb 2026 | - | ||
| The Medical Center Company | Cleveland, OH | Industrial | 1 | 1.1 GWh | Dec 2024 | - | ||
| Corix Cleveland Thermal Generating LP | Cleveland, OH | Commercial | 1 | 2.2 GWh | Dec 2024 | - | ||
| Collinwood Bioenergy | Cleveland, OH | Industrial | 1 | 2.9 GWh | Dec 2024 | - | ||
| Cleveland Thermal, LLC | Cleveland, OH | Industrial | - | 2.0 GWh | Dec 2023 | - | ||
| Cleveland Cliffs Inc | Cleveland, OH | Industrial | 8 | 1.7 TWh | Feb 2026 | Oct 2025 | $10.71k | |
| Case Western Reserve University | Cleveland, OH | Independent Power Producer | 1 | 710.0 MWh | Dec 2024 | - | ||
| Johnson County Power LLC | Cleburne, TX | Independent Power Producer | 1 | 1.4 TWh | Dec 2024 | - | ||
| SV CSG Lily Lake 2 LLC | Clearwater, FL | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| SRC P9 - LENA Solar, LLC | Clearwater, FL | Independent Power Producer | 1 | 3.7 GWh | Dec 2023 | - | ||
| IGS East Central, LLC | Clearwater, FL | Independent Power Producer | 1 | 3.4 GWh | Dec 2023 | - | ||
| AES Griggs Solar, LLC | Clearwater, FL | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| Pennsylvania Grain Processing, LLC | Clearfield, PA | - | - | - | Oct 2025 | $529.34k | $559.28k | |
| FGE Goodnight I, LLC | Claude, TX | Independent Power Producer | 1 | 793.1 GWh | Feb 2026 | - | ||
| Georgia-Pacific Wauna LLC | Clatskanie, OR | Industrial | 1 | 184.1 GWh | Feb 2026 | - | ||
| Pacific Northwest Generating Coop | Clackamas, OR | Cooperative | 1 | 42.4 GWh | Dec 2024 | Oct 2025 | $58.29M | $1.52M |
| Walnut Creek LLC | City Of Industry, CA | Independent Power Producer | 1 | 43.0 GWh | Feb 2026 | - | ||
| City Of Industry | City Of Industry, CA | Municipally-Owned Utility | 1 | 1.2 GWh | Dec 2024 | Sep 2025 | $288.78k | |
| Century Oak Wind Project, LLC | Cisco, TX | Independent Power Producer | 1 | 567.3 GWh | Feb 2026 | - | ||
| SUNE EPE2, LLC | Cincinnati, OH | Independent Power Producer | 1 | 31.1 GWh | Dec 2024 | - | ||
| SUNE AZ2, LLC | Cincinnati, OH | Independent Power Producer | 1 | 36.1 GWh | Dec 2024 | - | ||
| Procter & Gamble PPR PRDTS Co | Cincinnati, OH | Industrial | 2 | 681.9 GWh | Dec 2024 | - | ||
| Duke Energy Ohio Inc | Cincinnati, OH | Investor-Owned Utility | 2 | 760.1 GWh | Feb 2026 | Oct 2025 | $10.73M | $80.36M |
| Duke Energy Kentucky Inc | Cincinnati, OH | Investor-Owned Utility | 6 | 3.0 TWh | Feb 2026 | Aug 2025 | $41.57M | $29.52k |
| Cincinnati Zoo & Botanical Garden | Cincinnati, OH | Commercial | 1 | 1.7 GWh | Dec 2024 | - | ||
| University Of Cincinnati | Cincinatti, OH | Commercial | 2 | 228.2 GWh | Feb 2026 | - | ||
| Grand River Dam Authority | Chouteau, OK | State-Owned Utility | 4 | 4.1 TWh | Feb 2026 | Oct 2025 | $138.38M | $5.97M |
| Scituate Wind LLC | Choasset, MA | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| Camchino Leasing LLC | Chino, CA | Independent Power Producer | 1 | 8.0 GWh | Dec 2024 | Sep 2025 | $5.72k | |
| Sierra Nevada Brewing Co | Chico, CA | Industrial | 1 | 10.4 GWh | Dec 2024 | - | ||
| City Of Chicopee - (Ma) | Chicopee, MA | Municipally-Owned Utility | 2 | 536.1 MWh | Dec 2024 | - | ||
| YUMA Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $5.05M | ||
| Wolverine Creek Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $2.29M | ||
| Willowbrook Solar I, LLC | Chicago, IL | - | - | - | Oct 2025 | $3.82M | ||
| Willow Creek Energy LLC | Chicago, IL | - | - | - | Sep 2025 | $2.66M | $130.39k | |
| Wildcat Wind Farm I, LLC | Chicago, IL | - | - | - | Oct 2025 | $11.10M | ||
| Westside Canal 2a, LLC | Chicago, IL | - | - | - | Oct 2025 | $27.09k | ||
| Warren Generation, LLC | Chicago, IL | Independent Power Producer | 1 | - | Nov 2024 | Oct 2025 | $589.51k | |
| UPC Power Solutions | Chicago, IL | Independent Power Producer | 8 | 48.1 GWh | Dec 2024 | - | ||
| U S Gypsum Co | Chicago, IL | Industrial | 1 | 2.6 GWh | Dec 2024 | - | ||
| Tolna Power, LLC | Chicago, IL | Independent Power Producer | 1 | 271.8 MWh | Dec 2024 | Oct 2025 | $574.97k | |
| TODD Solar LLC | Chicago, IL | - | - | - | Oct 2025 | $293.63k | ||
| Titus Power, LLC | Chicago, IL | Independent Power Producer | 1 | -898.1 MWh | Dec 2024 | Oct 2025 | $301.17k | |
| TG East Wind Project LLC | Chicago, IL | Independent Power Producer | 1 | 1.1 TWh | Feb 2026 | - | ||
| Tatanka Wind Power, LLC | Chicago, IL | - | - | - | Oct 2025 | $1.50M | ||
| Tahoka Wind, LLC | Chicago, IL | Independent Power Producer | 1 | 1.3 TWh | Feb 2026 | - |
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 | Feb 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Feb 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Feb 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Feb 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Feb 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Feb 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Feb 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Feb 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Feb 2026 | Nuclear |
| Catawba | York, South Carolina | 20 TWh | May 1985 | Feb 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Feb 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Feb 2026 | Natural Gas : 71.2% Bituminous Coal : 28.6% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Feb 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 17 TWh | Jul 1975 | Feb 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Feb 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Feb 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Feb 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Feb 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Feb 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Feb 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Feb 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Feb 2026 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Feb 2026 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Feb 2026 | Subbituminous Coal |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Feb 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Feb 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Feb 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Feb 2026 | Subbituminous Coal : 74.7% Bituminous Coal : 16.2% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Feb 2026 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Feb 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Feb 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Feb 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Feb 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Feb 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Feb 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Feb 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Feb 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Feb 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Feb 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Feb 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Feb 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Feb 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Feb 2026 | Nuclear : 67.9% Natural Gas : 32.1% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Feb 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Feb 2026 | Subbituminous Coal : 83.0% Natural Gas : 17.0% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Feb 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Feb 2026 | Natural Gas : 99.9% |