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 |
|---|---|---|---|---|---|---|---|---|
| Mesquite Solar 3, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $7.75M | |
| Oklahoma Gas & Electric Co | Oklahoma City, OK | Investor-Owned Utility | 22 | 18.6 TWh | May 2026 | Oct 2025 | $116.11M | $18.97M |
| Mesquite Solar 2, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $5.27M | |
| Monongahela Power Co | Greensburg, PA | Investor-Owned Utility | 10 | 18.1 TWh | May 2026 | Oct 2025 | $290.81M | $995.94k |
| Louisville Gas & Electric Co | Louisville, KY | Investor-Owned Utility | 8 | 23.2 TWh | May 2026 | Oct 2025 | $15.62M | $18.44M |
| Northern Indiana Pub SERV Co | Merrillville, IN | Investor-Owned Utility | 7 | 7.8 TWh | May 2026 | May 2023 | ||
| Montana-Dakota Utilities Co | Bismarck, ND | Investor-Owned Utility | 12 | 900.2 GWh | May 2026 | Oct 2025 | $12.67M | $7.54M |
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 20 | 939.1 GWh | May 2026 | Oct 2025 | $31.93M | $919.38k |
| MAUI Electric Co Ltd | Kahului - MAUI, HI | Investor-Owned Utility | 6 | 917.8 GWh | May 2026 | - | ||
| Nstar Electric Company | Westwood, MA | Investor-Owned Utility | 17 | 61.3 GWh | May 2026 | Oct 2025 | $27.02M | $57.43M |
| Nevada Power Co | Las Vegas, NV | Investor-Owned Utility | 16 | 16.9 TWh | May 2026 | Oct 2025 | $15.32M | $154.44M |
| Mississippi Power Co | Gulfport, MS | Investor-Owned Utility | 8 | 19.3 TWh | May 2026 | Sep 2025 | $65.80M | $4.58M |
| Ohio Valley Electric Corp | Piketon, OH | Investor-Owned Utility | 1 | 5.2 TWh | May 2026 | Oct 2025 | $196.57M | $113.71M |
| Liberty Utilities (Calpeco Electric) LLC | South Lake Tahoe, CA | Investor-Owned Utility | 3 | 115.0 GWh | May 2026 | Oct 2025 | $423.39k | $5.80M |
| New York State ELEC & Gas Corp | Ithaca, NY | Investor-Owned Utility | 9 | 48.8 GWh | Dec 2025 | - | ||
| Ne Renewable Fitchburg, LLC | New York City, NY | Investor-Owned Utility | 1 | 83.2 GWh | Dec 2025 | - | ||
| McGrath Light & Power Co | McGrath, AK | Investor-Owned Utility | 1 | 2.0 GWh | Dec 2025 | - | ||
| Lockhart Power Co | Lockhart, SC | Investor-Owned Utility | 6 | 78.5 GWh | Dec 2025 | Sep 2025 | $3.69M | $6.84M |
| National Grid Generation LLC | Hicksville, NY | Investor-Owned Utility | 14 | 6.1 TWh | May 2026 | Sep 2025 | $99.31M | |
| Midamerican Energy Co | Urbandale, IA | Investor-Owned Utility | 62 | 42.6 TWh | May 2026 | Oct 2025 | $297.24M | $13.35M |
| MPH Al Pierce, LLC | Wallingford, CT | Investor-Owned Utility | 1 | - | Jan 2026 | Sep 2025 | $510.35k | |
| Ledyard Windpower, LLC | Lakota, IA | Investor-Owned Utility | - | - | - | Oct 2025 | $1.29M | |
| Caldwell Wastewater Treatment Plant | West Caldwell, NJ | Investor-Owned Utility | 1 | 965.0 MWh | Dec 2025 | - | ||
| Alaska Power And Telephone Co | Ketchikan, AK | Investor-Owned Utility | 28 | 80.4 GWh | Dec 2025 | - | ||
| Betcher CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.8 GWh | Dec 2025 | - | ||
| Aniak Light & Power Co Inc | Aniak, AK | Investor-Owned Utility | 1 | 2.1 GWh | Dec 2024 | - | ||
| Camp Riley Solar Facility | Little Falls, MN | Investor-Owned Utility | 1 | 14.5 GWh | Dec 2025 | - | ||
| Baltimore Gas & Electric Co | Baltimore, MD | Investor-Owned Utility | 1 | -486.0 MWh | Dec 2025 | Oct 2025 | $1.06M | $303.90M |
| Allete, Inc. | Duluth, MN | Investor-Owned Utility | 24 | 8.6 TWh | May 2026 | Oct 2025 | $137.16M | $4.23M |
| Amana Society Service Co | Amana, IA | Investor-Owned Utility | 1 | 1.5 GWh | Dec 2025 | - | ||
| Appalachian Power Co | Columbus, OH | Investor-Owned Utility | 20 | 23.1 TWh | May 2026 | Oct 2025 | $38.00M | $43.20M |
| Ameren Illinois | Collinsville, IL | Investor-Owned Utility | 1 | 308.0 MWh | Dec 2025 | Oct 2025 | $12.47M | $47.56M |
| AGC Division Of APGI Inc | Pittsburgh, PA | Investor-Owned Utility | 1 | 3.3 TWh | May 2026 | - | ||
| Avista Corp | Spokane, WA | Investor-Owned Utility | 14 | 7.2 TWh | Mar 2026 | Oct 2025 | $54.87M | $32.57M |
| BBCP Kauai Operating LLC | Hanapepe, HI | Investor-Owned Utility | 2 | 21.4 GWh | May 2026 | - | ||
| AES Pike County Energy Storage | Petersburg, IN | Investor-Owned Utility | 1 | - | Jan 2026 | Sep 2025 | $2.41M | |
| Bear Valley Electric Service | Big Bear Lake, CA | Investor-Owned Utility | 3 | 2.4 GWh | Dec 2025 | Sep 2025 | $27.32M | |
| Arizona Public Service Co | Phoenix, AZ | Investor-Owned Utility | 30 | 55.3 TWh | May 2026 | Oct 2025 | $24.68M | $234.49M |
| Allegheny Energy Supply Co LLC | Greensburg, PA | Investor-Owned Utility | 6 | - | Jan 2026 | Oct 2025 | $3.49M | $5.89M |
| Black Hills Colorado Electric, LLC | Rapid City, SD | Investor-Owned Utility | 6 | 276.8 GWh | Dec 2025 | Oct 2025 | $3.28M | $15.70M |
| Blue Water Renewables Inc | Detroit, MI | Investor-Owned Utility | 1 | 20.8 GWh | Dec 2025 | - | ||
| AES Indiana | Indianapolis, IN | Investor-Owned Utility | 5 | 15.9 TWh | May 2026 | Sep 2025 | $263.84k | |
| Alaska Electric Light & Power Co. | Juneau, AK | Investor-Owned Utility | 8 | 456.6 GWh | Dec 2025 | - | ||
| Black Hills Power, Inc. | Rapid City, SD | Investor-Owned Utility | 9 | 2.3 TWh | May 2026 | Oct 2025 | $10.17M | $13.64M |
| Brazos Valley Energy | Richmond, TX | Investor-Owned Utility | 1 | 4.2 TWh | May 2026 | - | ||
| Alabama Power Co | Birmingham, AL | Investor-Owned Utility | 32 | 66.9 TWh | May 2026 | Sep 2025 | $61.79M | $45.90M |
| Farmington River Power Company | New Britain, CT | Investor-Owned Utility | 1 | 24.9 GWh | May 2026 | - | ||
| Johnson II CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.4 GWh | Dec 2025 | - | ||
| Hardy Hills Solar LLC | Frankfort, IN | Investor-Owned Utility | 1 | 398.4 GWh | May 2026 | Sep 2025 | $4.20M | |
| Hawaiian Electric Co Inc | Honolulu, HI | Investor-Owned Utility | 13 | 4.3 TWh | May 2026 | - | ||
| Florida Power & Light Co | Miami, FL | Investor-Owned Utility | 159 | 156.2 TWh | May 2026 | Sep 2025 | $189.77M | $26.45M |
| Hawaii Electric Light Co Inc | HILO, HI | Investor-Owned Utility | 9 | 593.3 GWh | May 2026 | - | ||
| Green Mountain Power Corp | Colchester, VT | Investor-Owned Utility | 47 | 571.7 GWh | May 2026 | Oct 2025 | $8.19M | $48.76M |
| Johnson I CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.7 GWh | Dec 2025 | - | ||
| Foreman's Hill CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 7.6 GWh | Dec 2024 | - | ||
| Jackpot Holdings, LLC | Charlotte, NC | Investor-Owned Utility | - | - | - | Sep 2025 | $2.08M | |
| Iredell Transmission LLC | Detroit, MI | Investor-Owned Utility | 1 | 28.1 GWh | Dec 2025 | - | ||
| Foxhound Solar, LLC | Clover, VA | Investor-Owned Utility | 1 | 176.2 GWh | May 2026 | Oct 2025 | $1.77M | |
| Foxtail Wind, LLC | Denver, CO | Investor-Owned Utility | 1 | 639.0 GWh | May 2026 | - | ||
| Heyer CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.9 GWh | Dec 2024 | - | ||
| Georgia Power Co | Atlanta, GA | Investor-Owned Utility | 63 | 107.9 TWh | May 2026 | Oct 2025 | $13.78M | $237.04M |
| Indiana Michigan Power Co | Fort Wayne, IN | Investor-Owned Utility | 15 | 29.6 TWh | May 2026 | Oct 2025 | $93.40M | |
| Indiana-Kentucky Electric Corp | Piketon, OH | Investor-Owned Utility | 1 | 6.3 TWh | May 2026 | Oct 2025 | $113.71M | |
| ILR Landfill | Edison, NJ | Investor-Owned Utility | 1 | 9.5 GWh | Dec 2025 | - | ||
| Idaho Power Co | Boise, ID | Investor-Owned Utility | 32 | 11.5 TWh | May 2026 | Oct 2025 | $26.04M | $44.71M |
| Huneke I CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.8 GWh | Dec 2025 | - | ||
| Hopewell Valley High School | Pennington, NJ | Investor-Owned Utility | 1 | 978.0 MWh | Dec 2025 | - | ||
| Haida Energy, Inc. | Ketchikan, AK | Investor-Owned Utility | 1 | 6.0 GWh | Dec 2024 | - | ||
| Kentucky Power Co | Columbus, OH | Investor-Owned Utility | 2 | 5.6 TWh | May 2026 | Jul 2025 | $876.82k | |
| Grimm CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 846.0 MWh | Nov 2025 | - | ||
| Evergy Missouri West | Kansas City, MO | Investor-Owned Utility | 11 | 383.8 GWh | May 2026 | Oct 2025 | $42.48M | $14.10M |
| Gwitchyaa ZHEE Utility Co | Fort Yukon, AK | Investor-Owned Utility | 1 | 3.2 GWh | Dec 2025 | - | ||
| Evergy Metro | Kansas City, MO | Investor-Owned Utility | 11 | 17.1 TWh | May 2026 | Oct 2025 | $164.54M | $9.27M |
| Evergy Kansas South, Inc | Investor-Owned Utility | 3 | 346.2 GWh | May 2026 | - | |||
| Evergy Kansas Central, Inc | Topeka, KS | Investor-Owned Utility | 21 | 13.3 TWh | May 2026 | Oct 2025 | $265.78M | $33.20M |
| Kentucky Utilities Co | Lexington, KY | Investor-Owned Utility | 8 | 13.6 TWh | May 2026 | Oct 2025 | $13.21M | $9.88M |
| Lincoln Electric System | Lincoln, NE | Industrial|Municipally-Owned Utility | 5 | 163.7 GWh | May 2026 | Oct 2025 | $6.72M | |
| Louisiana Sugar Refining LLC | Gramercy, LA | Industrial | 1 | 10.7 GWh | Dec 2025 | - | ||
| Marion Wind 23, LLC | Findlay, OH | Industrial | 1 | 6.5 GWh | Dec 2024 | - | ||
| McKinley Paper | Port Angeles, WA | Industrial | 2 | 337.6 GWh | Dec 2025 | - | ||
| Martinez Refining Co | Martinez, CA | Industrial | 1 | 736.1 GWh | May 2026 | Sep 2025 | $1.83M | |
| Mosaic Fertilizer LLC | Mulberry, FL | Industrial | 2 | 474.6 GWh | May 2026 | Oct 2025 | $131.48k | |
| Norton Powerhouse 2 | Worcester, MA | Industrial | 1 | 31.2 GWh | Dec 2025 | - | ||
| Mount Joy Wire Corp | Mount Joy, PA | Industrial | 1 | 5.2 GWh | Dec 2025 | - | ||
| Lorin Industries | Muskegon, MI | Industrial | 1 | 4.6 GWh | Dec 2025 | - | ||
| Motiva Enterprises LLC | Port Arthur, TX | Industrial | 1 | 1.8 TWh | May 2026 | Apr 2025 | ||
| Mosaic Phosphates Co. | Uncle SAM, LA | Industrial | 1 | 102.0 GWh | May 2026 | - | ||
| Mead Coated Board Inc | Glen Allen, VA | Industrial | 1 | 786.2 GWh | May 2026 | - | ||
| Northlake Energy | East Chicago, IN | Industrial | 1 | 704.1 GWh | Dec 2025 | - | ||
| Longview Fibre Co | Longview, WA | Industrial | 1 | 266.1 GWh | Dec 2025 | - | ||
| Morton Salt Inc | Rittman, OH | Industrial | 1 | 15.6 GWh | Dec 2025 | - | ||
| Mosaic Company | Bartlow, FL | Industrial | 5 | 290.5 GWh | May 2026 | - | ||
| New Madrid Solar, LLC | Juno Beach, FL | Industrial | 1 | 229.7 GWh | May 2026 | - | ||
| Occidental Permian Ltd | Houston, TX | Industrial | 1 | 124.5 GWh | Dec 2025 | - | ||
| Leprino Foods | Lemoore, CA | Industrial | 1 | 17.4 GWh | Dec 2025 | - | ||
| Occidental Chemical Corporation | Houston, TX | Industrial | 2 | 6.1 TWh | May 2026 | Sep 2025 | $36.49M | |
| National Raisin | Fowler, CA | Industrial | 1 | 4.7 GWh | Dec 2025 | - | ||
| Lafarge Corp | Alpena, MI | Industrial | 1 | 222.6 GWh | May 2026 | - | ||
| Molson Coors Shenandoah Brewery | Elkton, VA | Industrial | 1 | 6.3 GWh | May 2026 | - | ||
| Molson Coors USA LLC | Golden, CO | Industrial | 1 | 126.8 GWh | May 2026 | - |
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 |