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 |
|---|---|---|---|---|---|---|---|---|
| Ameren Illinois | Collinsville, IL | Investor-Owned Utility | 1 | 323.0 MWh | Dec 2024 | Oct 2025 | $12.47M | $47.56M |
| Bear Valley Electric Service | Big Bear Lake, CA | Investor-Owned Utility | 3 | 504.3 MWh | Dec 2024 | Sep 2025 | $27.32M | |
| Allete, Inc. | Duluth, MN | Investor-Owned Utility | 24 | 7.2 TWh | Oct 2025 | Oct 2025 | $137.16M | $4.23M |
| Amana Society Service Co | Amana, IA | Investor-Owned Utility | 1 | 1.1 GWh | Dec 2024 | - | ||
| Alabama Power Co | Birmingham, AL | Investor-Owned Utility | 31 | 67.4 TWh | Oct 2025 | Sep 2025 | $61.79M | $45.90M |
| Avista Corp | Spokane, WA | Investor-Owned Utility | 14 | 7.4 TWh | Oct 2025 | Oct 2025 | $54.87M | $32.57M |
| Allegheny Energy Supply Co LLC | Greensburg, PA | Investor-Owned Utility | 6 | - | Jan 2025 | Oct 2025 | $3.49M | $5.89M |
| Alaska Electric Light & Power Co. | Juneau, AK | Investor-Owned Utility | 8 | 493.7 GWh | Dec 2024 | - | ||
| Baltimore Gas & Electric Co | Baltimore, MD | Investor-Owned Utility | 1 | -128.0 MWh | Dec 2024 | Oct 2025 | $1.06M | $303.90M |
| Alaska Power And Telephone Co | Ketchikan, AK | Investor-Owned Utility | 28 | 80.4 GWh | Dec 2024 | - | ||
| Camp Riley Solar Facility | Little Falls, MN | Investor-Owned Utility | 1 | 15.5 GWh | Dec 2024 | - | ||
| Mesquite Solar 3, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $7.75M | |
| Liberty Utilities (Calpeco Electric) LLC | South Lake Tahoe, CA | Investor-Owned Utility | 3 | 115.5 GWh | Oct 2025 | Oct 2025 | $423.39k | $5.80M |
| Mesquite Solar 2, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $5.27M | |
| McGrath Light & Power Co | McGrath, AK | Investor-Owned Utility | 1 | 2.1 GWh | Dec 2024 | - | ||
| Massachusetts Electric Co | Brooklyn, NY | Investor-Owned Utility | 3 | 3.7 GWh | Dec 2024 | Oct 2025 | $29.93M | $75.60M |
| Midamerican Energy Co | Urbandale, IA | Investor-Owned Utility | 62 | 42.6 TWh | Oct 2025 | Oct 2025 | $297.24M | $13.35M |
| Monongahela Power Co | Greensburg, PA | Investor-Owned Utility | 10 | 16.0 TWh | Oct 2025 | Oct 2025 | $290.81M | $995.94k |
| New Mexico Renewable Development LLC | Albuquerque, NM | Investor-Owned Utility | - | 14.1 GWh | Dec 2023 | - | ||
| Lockhart Power Co | Lockhart, SC | Investor-Owned Utility | 6 | 99.6 GWh | Dec 2024 | Sep 2025 | $3.69M | $6.84M |
| MPH Al Pierce, LLC | Wallingford, CT | Investor-Owned Utility | 1 | - | Jan 2025 | Sep 2025 | $510.35k | |
| Nstar Electric Company | Westwood, MA | Investor-Owned Utility | 17 | 62.3 GWh | Oct 2025 | Oct 2025 | $27.02M | $57.43M |
| Northern States Power Co - Minnesota | Minneapolis, MN | Investor-Owned Utility | 66 | 39.8 TWh | Oct 2025 | Oct 2025 | $352.04M | $76.80M |
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 17 | 857.7 GWh | Oct 2025 | Oct 2025 | $31.93M | $919.38k |
| National Grid Generation LLC | Hicksville, NY | Investor-Owned Utility | 14 | 5.6 TWh | Oct 2025 | Sep 2025 | $99.31M | |
| MAUI Electric Co Ltd | Kahului - MAUI, HI | Investor-Owned Utility | 6 | 870.7 GWh | Oct 2025 | - | ||
| Ne Renewable Fitchburg, LLC | New York City, NY | Investor-Owned Utility | 1 | 65.1 GWh | Dec 2024 | - | ||
| New York State ELEC & Gas Corp | Ithaca, NY | Investor-Owned Utility | 9 | 228.6 GWh | Dec 2024 | - | ||
| Nevada Power Co | Las Vegas, NV | Investor-Owned Utility | 16 | 17.4 TWh | Oct 2025 | Oct 2025 | $15.32M | $154.44M |
| Northern Indiana Pub SERV Co | Merrillville, IN | Investor-Owned Utility | 7 | 7.2 TWh | Oct 2025 | May 2023 | ||
| Louisville Gas & Electric Co | Louisville, KY | Investor-Owned Utility | 8 | 22.6 TWh | Oct 2025 | Oct 2025 | $15.62M | $18.44M |
| Krause CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.9 GWh | Dec 2024 | - | ||
| Meadow Lake Solar Park | Merrillville, IN | Investor-Owned Utility | 1 | 405.5 GWh | Oct 2025 | Sep 2025 | $3.80M | |
| Ledyard Windpower, LLC | Lakota, IA | Investor-Owned Utility | - | - | - | Oct 2025 | $1.29M | |
| Montana-Dakota Utilities Co | Bismarck, ND | Investor-Owned Utility | 12 | 808.8 GWh | Oct 2025 | Oct 2025 | $12.67M | $7.54M |
| Mississippi Power Co | Gulfport, MS | Investor-Owned Utility | 8 | 18.6 TWh | Oct 2025 | Sep 2025 | $65.80M | $4.58M |
| School Sisters CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.8 GWh | Dec 2024 | - | ||
| Salem Energy Systems LLC | Detroit, MI | Investor-Owned Utility | 1 | 9.8 GWh | Dec 2024 | - | ||
| RJC I CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.9 GWh | Dec 2024 | - | ||
| Potrero Hills Energy Producers, LLC | Detroit, MI | Investor-Owned Utility | 1 | 64.2 GWh | Dec 2024 | - | ||
| Otter Tail Power Co | Fergus Falls, MN | Investor-Owned Utility | 21 | 5.9 TWh | Oct 2025 | Oct 2025 | $30.22M | $869.20k |
| Rochester Gas & Electric Corp | Rochester, NY | Investor-Owned Utility | 7 | 1.1 GWh | Nov 2024 | Oct 2025 | $2.58M | $5.08M |
| Oklahoma Gas & Electric Co | Oklahoma City, OK | Investor-Owned Utility | 22 | 18.6 TWh | Oct 2025 | Oct 2025 | $116.11M | $18.97M |
| Ohio Valley Electric Corp | Piketon, OH | Investor-Owned Utility | 1 | 5.6 TWh | Oct 2025 | Oct 2025 | $196.57M | $113.71M |
| Riverview Energy Systems | Detroit, MI | Investor-Owned Utility | 1 | 3.3 GWh | Dec 2024 | - | ||
| Searcy Solar, LLC | Juno Beach, FL | Investor-Owned Utility | 1 | 215.6 GWh | Oct 2025 | - | ||
| Puget Sound Energy Inc | Bellevue, WA | Investor-Owned Utility | 19 | 12.3 TWh | Oct 2025 | Oct 2025 | $62.87M | $209.89M |
| Sierra Pacific Power Co | Reno, NV | Investor-Owned Utility | 14 | 6.2 TWh | Oct 2025 | Oct 2025 | $5.93M | $30.30M |
| Pixley Solar Energy LLC | Chicago, IL | Investor-Owned Utility | 1 | 249.8 GWh | Oct 2025 | May 2025 | $913.33k | |
| PNM Resources | Albuquerque, NM | Investor-Owned Utility | 20 | 405.5 GWh | Dec 2024 | Dec 2017 | ||
| Portland General Electric Co | Portland, OR | Investor-Owned Utility | 24 | 16.3 TWh | Oct 2025 | Oct 2025 | $68.97M | $51.44M |
| Rainbow Energy Center | Underwood, ND | Investor-Owned Utility | 1 | 9.0 TWh | Oct 2025 | Oct 2025 | $90.85M | $16.22M |
| Powerfin ASL 1, LLC | Austin, TX | Investor-Owned Utility | 1 | 3.6 GWh | Dec 2024 | - | ||
| Public Service ELEC & Gas Co | Newark, NJ | Investor-Owned Utility | 18 | 118.8 GWh | Dec 2024 | - | ||
| Public Service Co Of Oklahoma | Tulsa, OK | Investor-Owned Utility | 10 | 9.9 TWh | Oct 2025 | - | ||
| Sand Point Generating, LLC | Anchorage, AK | Investor-Owned Utility | 1 | 3.9 GWh | Dec 2024 | - | ||
| Public Service Co Of NM | Albuquerque, NM | Investor-Owned Utility | 12 | 5.1 TWh | Oct 2025 | Jun 2017 | ||
| Public Service Co Of Colorado | Denver, CO | Investor-Owned Utility | 29 | 27.6 TWh | Oct 2025 | - | ||
| Pacific Gas & Electric Co. | San Francisco, CA | Investor-Owned Utility | 87 | 35.1 TWh | Oct 2025 | Oct 2025 | $402.73M | $664.61M |
| Pacificorp | Portland, OR | Investor-Owned Utility | 85 | 49.9 TWh | Oct 2025 | Oct 2025 | $81.18M | $2.41B |
| Safe Harbor Water Power Corp | Conestoga, PA | Investor-Owned Utility | - | - | Dec 2011 | Sep 2025 | $5.89M | |
| San Diego Gas & Electric Co | San Diego, CA | Investor-Owned Utility | 19 | 1.2 TWh | Oct 2025 | Oct 2025 | $142.85M | $219.97M |
| RJC II CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.7 GWh | Dec 2024 | - | ||
| Scandia CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 4.1 GWh | Dec 2024 | - | ||
| Wisconsin River Power Company | Milwaukee, WI | Investor-Owned Utility | 3 | 214.5 GWh | Dec 2024 | Mar 2017 | ||
| Wolf Creek Nuclear OPTG Corp | Burlington, KS | Investor-Owned Utility | 1 | 10.6 TWh | Oct 2025 | - | ||
| Wisconsin Electric Power Co | Milwaukee, WI | Investor-Owned Utility | 53 | 22.1 TWh | Oct 2025 | Oct 2025 | $198.65M | $157.00M |
| Wisconsin Power & Light Co | Madison, WI | Investor-Owned Utility | 38 | 21.1 TWh | Oct 2025 | Oct 2025 | $167.64M | $10.83M |
| Wisconsin Public Service Corp | Milwaukee, WI | Investor-Owned Utility | 32 | 10.9 TWh | Oct 2025 | Oct 2025 | $116.51M | $4.09k |
| YOLO County Of | Woodland, CA | Municipally-Owned Utility | 3 | 33.4 GWh | Oct 2025 | - | ||
| Winnebago County | Oshkosh, WI | Municipally-Owned Utility | 1 | 9.8 GWh | Dec 2024 | - | ||
| Willmar Municipal Utilities | Willmar, MN | Municipally-Owned Utility | 3 | 3.8 GWh | Dec 2024 | Sep 2025 | $1.92M | |
| WPPI Energy | Sun Prairie, WI | Municipally-Owned Utility | 2 | 11.0 GWh | Dec 2024 | Oct 2025 | $53.67M | $44.97M |
| Town Of Ipswich - (Ma) | Ipswich, MA | Municipally-Owned Utility | 2 | 2.0 GWh | Dec 2024 | - | ||
| The Town Of Lyndon Electric Department | Lyndonville, VT | Municipally-Owned Utility | 2 | 3.3 GWh | Dec 2024 | - | ||
| Solano County | Fairfield, CA | Municipally-Owned Utility | 1 | 8.6 GWh | Dec 2024 | - | ||
| Westrock (La) | Norcross, GA | Municipally-Owned Utility | 1 | 509.6 GWh | Dec 2024 | - | ||
| Town Of Stafford - (CT) | Stafford Springs, CT | Municipally-Owned Utility | 1 | 3.3 GWh | Dec 2024 | - | ||
| Town Of CARY | CARY, NC | Municipally-Owned Utility | 1 | 2.0 GWh | Dec 2024 | - | ||
| Town Of Culpeper- (Va) | Culpeper, VA | Municipally-Owned Utility | 2 | 485.2 MWh | Dec 2024 | - | ||
| Town Of Hudson - (Ma) | Hudson, MA | Municipally-Owned Utility | 1 | 234.3 MWh | Dec 2024 | - | ||
| Town Of Laverne - (Ok) | Laverne, OK | Municipally-Owned Utility | 1 | 202.1 MWh | Dec 2024 | - | ||
| Town Of Munster | Munster, IN | Municipally-Owned Utility | 1 | 4.0 GWh | Dec 2024 | - | ||
| Town Of OTIS | OTIS, MA | Municipally-Owned Utility | 1 | 3.0 GWh | Dec 2023 | - | ||
| Town Of Princeton - (Ma) | Princeton, MA | Municipally-Owned Utility | 1 | 4.2 GWh | Dec 2024 | - | ||
| Town Of Shrewsbury - (Ma) | Shrewsbury, MA | Municipally-Owned Utility | 2 | 581.6 MWh | Dec 2024 | - | ||
| Town Of Braintree - (Ma) | East Braintree, MA | Municipally-Owned Utility | 2 | 28.3 GWh | Dec 2024 | - | ||
| Town Of Stowe- (VT) | Stowe, VT | Municipally-Owned Utility | 1 | 1.3 GWh | Dec 2024 | - | ||
| Town Of West Boylston - (Ma) | West Boylston, MA | Municipally-Owned Utility | 1 | 2.3 GWh | Dec 2024 | - | ||
| Truckee Meadows Water Authority | Reno, NV | Municipally-Owned Utility | 3 | 59.2 GWh | Oct 2025 | - | ||
| Village Of Morrisville - (VT) | Morrisville, VT | Municipally-Owned Utility | 3 | 6.5 GWh | Dec 2024 | - | ||
| Village Of Winnetka - (Il) | Winnetka, IL | Municipally-Owned Utility | 1 | 2.7 GWh | Dec 2024 | - | ||
| Village Of Swanton - (VT) | Swanton, VT | Municipally-Owned Utility | 1 | 51.4 GWh | Dec 2024 | - | ||
| Village Of Sebewaing - (Mi) | Sebewaing, MI | Municipally-Owned Utility | 2 | 16.6 GWh | Dec 2024 | Dec 2013 | ||
| Village Of Rantoul - (Il) | Rantoul, IL | Municipally-Owned Utility | 1 | 211.0 MWh | Oct 2025 | - | ||
| Town Of Bedford - (Va) | Bedford, VA | Municipally-Owned Utility | 2 | 15.4 GWh | Dec 2024 | - | ||
| STP Nuclear Operating Co | Wadsworth, TX | Municipally-Owned Utility | 1 | 22.8 TWh | Oct 2025 | - | ||
| Stillwater Utilities Authority | Stillwater, OK | Municipally-Owned Utility | 3 | 146.1 GWh | Dec 2024 | Sep 2025 | $6.92M | |
| Waverly Municipal ELEC Utility | Waverly, IA | Municipally-Owned Utility | 5 | 7.4 GWh | Dec 2024 | - | ||
| Watervliet City Of | Watervliet, NY | Municipally-Owned Utility | 1 | 2.6 GWh | Dec 2024 | - |
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 | Oct 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Oct 2025 | Natural Gas : 95.1% Bituminous Coal : 4.9% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Oct 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | Oct 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Oct 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Oct 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Oct 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Oct 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Oct 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Oct 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Oct 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Oct 2025 | Natural Gas : 75.4% Bituminous Coal : 24.4% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Oct 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Oct 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Oct 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Oct 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Oct 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Oct 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Oct 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Oct 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Oct 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Oct 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Oct 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Oct 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Oct 2025 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Oct 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Oct 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Oct 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Oct 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Oct 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Oct 2025 | Subbituminous Coal : 74.1% Bituminous Coal : 16.5% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Oct 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Oct 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 23 TWh | Jun 1973 | Oct 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Oct 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Oct 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Oct 2025 | Nuclear |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 18 TWh | May 1971 | Oct 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Oct 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Oct 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Oct 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Oct 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Oct 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | Oct 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Oct 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Oct 2025 | Nuclear : 68.2% Natural Gas : 31.8% |
| Vogtle | Waynesboro, Georgia | 36 TWh | Apr 1987 | Oct 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Oct 2025 | Subbituminous Coal : 83.8% Natural Gas : 16.2% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Oct 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Oct 2025 | Natural Gas : 99.9% |