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 2023Q4 Seller Transactions | FERC 2023Q4 Buyer Transactions |
|---|---|---|---|---|---|---|---|---|
| O.H. Hutchings CT, LLC | Washington, DC | - | - | - | Apr 2024 | $128.79k | ||
| O'Neill Creek Solar LLC | Beaverton, OR | Independent Power Producer | 1 | 4.0 GWh | Dec 2022 | - | ||
| Oak Leaf Solar V LLC | Bethesda, MD | Independent Power Producer | 1 | 1.5 GWh | Dec 2022 | - | ||
| Oak Solar LLC | 1 | 14.7 GWh | Feb 2024 | Apr 2024 | $20.73k | |||
| Oak Trail Solar, LLC | Houston, TX | Independent Power Producer | - | - | - | Apr 2024 | $1.36M | |
| Oakdale&South San Joaquin Irrigation D. | Pinecrest, CA | Political Subdivision | 3 | 363.9 GWh | Dec 2022 | - | ||
| Oakland Power Company LLC | Irving, TX | - | - | - | Apr 2024 | $1.82M | ||
| Oakley Solar Project LLC | Walnut Creek, CA | Commercial | 1 | 2.0 GWh | Dec 2022 | - | ||
| Oakwood Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 10.8 GWh | Dec 2022 | - | ||
| Oasis ALTA, LLC | San Diego, CA | Independent Power Producer | - | - | - | Apr 2024 | $303.17k | |
| Oasis Power Partners, LLC | New York, NY | - | - | - | Apr 2024 | $1.24M | ||
| Oberon Solar Ia | Irvine, CA | Independent Power Producer | 1 | 345.4 GWh | Feb 2024 | - | ||
| Oberon Solar Ib | Irvine, CA | Independent Power Producer | 1 | 68.8 GWh | Feb 2024 | - | ||
| OBP Cogen LLC | New York, NY | Commercial | 1 | 30.7 GWh | Dec 2022 | - | ||
| Occidental Chemical Corporation | Houston, TX | Industrial | 2 | 6.2 TWh | Feb 2024 | Mar 2024 | $25.24M | |
| Occidental Permian Ltd | Houston, TX | Industrial | 1 | 137.6 GWh | Dec 2022 | - | ||
| Occidental Power Services, Inc. | Houston, TX | - | - | - | Apr 2024 | $12.26M | ||
| Ocean County Utilities AUTH | Bayville, NJ | Political Subdivision | 1 | 3.8 GWh | Feb 2024 | - | ||
| Ocean State BTM, LLC | Wakefield, MA | - | - | - | Mar 2024 | $107.64k | ||
| Ocean State Power Co | Harrisville, RI | Independent Power Producer | 2 | 1.6 TWh | Dec 2022 | Mar 2024 | $17.84M | |
| OCI Solar Power | San Antonio, TX | Independent Power Producer | 8 | 105.1 GWh | Dec 2022 | - | ||
| Oconto Electric Cooperative | Oconto Falls, WI | Cooperative | 1 | 5.4 GWh | Dec 2022 | Mar 2024 | $2.04M | |
| Ocotillo Express LLC | Houston, TX | - | - | - | Mar 2024 | $7.30M | ||
| Ocotillo Solar LLC | Newark, NJ | - | - | - | Mar 2024 | $481.27k | ||
| Odell Wind Farm, LLC | Oakville, ON | - | - | - | Mar 2024 | $5.74M | ||
| Odessa Energy Services LLC | Hermiston, OR | Commercial | 3 | 19.5 GWh | Dec 2022 | - | ||
| ODOM Solar, LLC | Nashville, TN | Independent Power Producer | 1 | 53.0 GWh | Dec 2022 | Mar 2024 | $227.30k | |
| Odyssey Operating Services | Charlotte, NC | Independent Power Producer | 1 | 3.9 TWh | Feb 2024 | - | ||
| Odyssey Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 18.9 GWh | Dec 2022 | Mar 2024 | $181.16k | |
| Oe_ald | Miami, FL | Independent Power Producer | 1 | 158.2 GWh | Feb 2024 | - | ||
| Oe Il Solar 3, LLC | Boston, MA | Independent Power Producer | 1 | 3.3 GWh | Dec 2022 | - | ||
| Oe_tn1 | Miami, FL | Independent Power Producer | 1 | 200.8 GWh | Feb 2024 | - | ||
| OEE XIX, LLC | Findlay, OH | Industrial | 1 | 13.2 GWh | Dec 2022 | - | ||
| OEE Xvii, LLC | Findlay, OH | Industrial | 1 | 2.9 GWh | Feb 2024 | - | ||
| OEE Xxiii LLC | Findlay, OH | Industrial | 1 | 11.3 GWh | Dec 2022 | - | ||
| OEE Xxiv LLC | Findlay, OH | Industrial | 1 | 4.9 GWh | Dec 2022 | - | ||
| OEE XXV LLC | Findlay, OH | Industrial | 1 | 8.8 GWh | Dec 2022 | - | ||
| OEE XXVI LLC | Findlay, OH | Independent Power Producer | 1 | 13.1 GWh | Dec 2022 | - | ||
| OEE Xxviii LLC | Findlay, OH | Independent Power Producer | 1 | 14.3 GWh | Dec 2022 | - | ||
| OEE XXX LLC | Findlay, OH | Independent Power Producer | 1 | 13.3 GWh | Dec 2022 | - | ||
| Off Airport Road - West, LLC | Boston, MA | Independent Power Producer | 1 | 6.5 GWh | Dec 2022 | - | ||
| Ogden Projects Inc-Haverhill | Morristown, NJ | Commercial | 1 | 368.1 GWh | Feb 2024 | - | ||
| Oglethorpe Power Corporation | Tucker, GA | Cooperative | 11 | 16.4 TWh | Feb 2024 | Mar 2024 | $3.42M | $2.24M |
| Ohio Edison Company | Akron, OH | - | - | - | Mar 2024 | $617.52k | $14.39M | |
| Ohio Power Co | Columbus, OH | 1 | - | Feb 2021 | Apr 2024 | $312.51k | $228.15M | |
| Ohio Power Partners, LLC | Middletown, OH | Independent Power Producer | 1 | 3.7 TWh | Feb 2024 | Apr 2024 | $25.23M | |
| Ohio Valley Electric Corp | Piketon, OH | Investor-Owned Utility | 1 | 5.2 TWh | Feb 2024 | Apr 2024 | $216.67M | $157.53M |
| Ok Produce | Fresno, CA | Commercial | 1 | 1.6 GWh | Dec 2022 | - | ||
| Oklahoma Gas & Electric Co | Oklahoma City, OK | Investor-Owned Utility | 22 | 17.2 TWh | Feb 2024 | Apr 2024 | $75.03M | $9.37M |
| Oklahoma Municipal Power Authority | Edmond, OK | State-Owned Utility | 5 | 225.3 GWh | Dec 2022 | Mar 2024 | $6.47M | |
| Oklahoma Wind, LLC | Juno Beach, FL | - | - | - | Mar 2024 | $677.06k | ||
| Olcese Water District | Bakersfield, CA | Municipally-Owned Utility | 1 | 6.2 GWh | Dec 2022 | - | ||
| Old Court RD Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 3.8 GWh | Dec 2022 | - | ||
| Old Dominion Electric Coop | Glen Allen, VA | Cooperative | 10 | 4.8 TWh | Feb 2024 | Apr 2024 | $344.52M | $56.91M |
| Old Gold Energy Center, LLC | Chandler, AZ | - | - | - | Apr 2024 | $215.26k | ||
| Old Middleboro Road Solar, LLC | Wakefield, MA | - | - | - | Mar 2024 | $29.25k | ||
| Old Mill Solar | Juno Beach, FL | Independent Power Producer | 1 | 7.8 GWh | Dec 2022 | - | ||
| Old Settler Wind, LLC | Charlottesville, VA | Independent Power Producer | 1 | 595.5 GWh | Feb 2024 | - | ||
| Old Trail Wind Farm LLC | Ellsworth, IL | Independent Power Producer | 1 | 576.5 GWh | Feb 2024 | Apr 2024 | $3.79M | |
| Oleander Holdings LLC | Juno Beach, FL | Independent Power Producer | 1 | 415.2 GWh | Dec 2022 | - | ||
| Oleander Power Project, Limited Partnership | Juno Beach, FL | - | - | - | Mar 2024 | $4.84M | ||
| OLIN Blue Cube Operations | Freeport, TX | Industrial | 1 | 2.5 TWh | Feb 2024 | - | ||
| Olinda Trail Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 2.1 GWh | Dec 2022 | - | ||
| Oliver Wind Energy Center II, LLC | Juno Beach, FL | - | - | - | Mar 2024 | $1.89M | ||
| Oliver Wind I, LLC | Juno Beach, FL | - | - | - | Mar 2024 | $1.22M | ||
| Oliver Wind III, LLC | Juno Beach, FL | Independent Power Producer | 1 | 444.6 GWh | Feb 2024 | Mar 2024 | $2.77M | |
| Olmstead Solar II, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.4 GWh | Dec 2022 | - | ||
| Olmsted County Public Works | Rochester, MN | Municipally-Owned Utility | 1 | 43.3 GWh | Dec 2022 | - | ||
| Olney Solar II, LLC | Boston, MA | Independent Power Producer | 1 | 4.6 GWh | Dec 2022 | - | ||
| OLS Energy-Agnews Inc. | Dublin, CA | Independent Power Producer | 1 | 26.9 GWh | Dec 2022 | Apr 2024 | $0 | |
| OLS Energy-Chino | Chino, CA | Independent Power Producer | 1 | 12.5 GWh | Dec 2022 | - | ||
| Olsen Power Partners | Annapolis, MD | Independent Power Producer | 1 | 6.3 GWh | Dec 2022 | - | ||
| Omaha Public Power District | Omaha, NE | Political Subdivision | 10 | 10.0 TWh | Feb 2024 | Apr 2024 | $61.60M | $20.70M |
| One Nation Energy Solutions, LLC | Houston, TX | - | - | - | Mar 2024 | $1.05M | $1.04M | |
| One Ten Partners, LLC | LOS Angeles, CA | Independent Power Producer | 1 | 5.4 GWh | Dec 2022 | - | ||
| Oneenergy Baker Point Solar, LLC | Asheville, NC | - | - | - | Mar 2024 | $36.92k | ||
| Oneida DG Solar, LLC | Juno Beach, FL | Independent Power Producer | 2 | 5.2 GWh | Dec 2022 | - | ||
| Oneta Power LLC | Broken Arrow, OK | Independent Power Producer | 1 | 6.0 TWh | Feb 2024 | Mar 2024 | $54.96M | |
| ONGP LLC | Reno, NV | - | - | - | Mar 2024 | $30.22M | ||
| Ontario Power Generation Energy Trading, Inc. | Toronto, ON | - | - | - | Mar 2024 | $1.24M | ||
| Ontelaunee Energy Center | Reading, PA | Independent Power Producer | 1 | 4.5 TWh | Feb 2024 | - | ||
| Ontelaunee Power Operating Company, LLC | Irving, TX | - | - | - | Apr 2024 | $33.30M | ||
| Onward Energy | New York, NY | Independent Power Producer | 32 | 5.0 TWh | Feb 2024 | - | ||
| Onyx Asset Services Group | New York, NY | Independent Power Producer | 23 | 70.2 GWh | Dec 2022 | - | ||
| Open Mountain Energy LLC. | LEHI, UT | Independent Power Producer | 1 | 21.0 GWh | Dec 2022 | - | ||
| Oppidum Renewables USA, LLC | Pittsburgh, PA | Independent Power Producer | 18 | 150.2 GWh | Dec 2022 | - | ||
| Optimum Wind 3 LLC | Irvington, NY | Independent Power Producer | 1 | 11.4 GWh | Dec 2022 | - | ||
| Optimum Wind 4 LLC | Irvington, NY | Independent Power Producer | 1 | 11.4 GWh | Dec 2022 | - | ||
| Optimum Wind 5 LLC | Irvington, NY | Independent Power Producer | 1 | 11.8 GWh | Dec 2022 | - | ||
| Optimum Wind 6 LLC | Irvington, NY | Independent Power Producer | 1 | 12.0 GWh | Dec 2022 | - | ||
| Optimum Wind 7 LLC | Irvington, NY | Independent Power Producer | 1 | 13.2 GWh | Dec 2022 | - | ||
| Or Solar 2, LLC | Jersey City, NJ | Independent Power Producer | 1 | 22.7 GWh | Dec 2022 | - | ||
| Orange And Rockland Utilities, Inc. | New York, NY | - | - | - | Apr 2024 | $4.83M | $12.97k | |
| Orange County Energy Storage 2 LLC | New York, NY | - | - | - | Mar 2024 | $265.97k | ||
| Orange County Energy Storage 3 LLC | New York, NY | - | - | - | Mar 2024 | $162.88k | ||
| Orange County Sanitation DIST | Fountain Valley, CA | Political Subdivision | 2 | 93.5 GWh | Dec 2022 | - | ||
| Orange Cove Irrigation District | Orange Cove, CA | Political Subdivision | 1 | 1.3 GWh | Dec 2022 | - | ||
| Orange Grove Energy LP | Schaumburg, IL | Independent Power Producer | 1 | 21.3 GWh | Dec 2022 | Mar 2024 | $2.97M | |
| Orangeville Energy Storage LLC | Chicago, IL | - | - | - | Apr 2024 | $388.99k | ||
| Orbit Bloom Energy, LLC | Juno Beach, FL | - | - | - | Mar 2024 | $1.49M |
Top Power Plants in United States
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Arkansas Nuclear One | Russellville, Arkansas | 16 TWh | Nov 1974 | Feb 2024 | Nuclear |
| Beaver Valley | Shippingport, Pennsylvania | 16 TWh | Aug 1976 | Feb 2024 | Nuclear |
| Braidwood Generation Station | Braceville, Illinois | 22 TWh | Jun 1988 | Feb 2024 | Nuclear |
| Browns Ferry | Decatur, Alabama | 33 TWh | Jul 1974 | Feb 2024 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 17 TWh | Oct 1975 | Feb 2024 | Nuclear |
| Byron Generating Station | Byron, Illinois | 21 TWh | Aug 1985 | Feb 2024 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 16 TWh | Apr 1975 | Feb 2024 | Nuclear |
| Catawba | York, South Carolina | 21 TWh | May 1985 | Feb 2024 | Nuclear |
| Colstrip | Colstrip, Montana | 12 TWh | Oct 1975 | Feb 2024 | Subbituminous Coal : 99.9% |
| Comanche Peak | Glen Rose, Texas | 21 TWh | Jul 1990 | Feb 2024 | Nuclear |
| Crystal River | Crystal River, Florida | 17 TWh | Sep 1966 | Feb 2024 | Natural Gas : 75.3% Bituminous Coal : 24.5% |
| Diablo Canyon | Avila Beach, California | 19 TWh | Apr 1985 | Feb 2024 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 20 TWh | Jul 1975 | Feb 2024 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 17 TWh | Jul 1970 | Feb 2024 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 15 TWh | Nov 1975 | Feb 2024 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 14 TWh | Sep 1974 | Feb 2024 | Bituminous Coal : 99.8% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Feb 2024 | Water |
| Grand Gulf | Port Gibson, Mississippi | 13 TWh | Jun 1985 | Feb 2024 | Nuclear |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 15 TWh | May 2002 | Feb 2024 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Feb 2024 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 17 TWh | Sep 1978 | Feb 2024 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 16 TWh | Nov 1977 | Feb 2024 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Feb 2024 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 21 TWh | Dec 1983 | Feb 2024 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 21 TWh | Jan 1986 | Feb 2024 | Nuclear |
| Martin Lake | Tatum, Texas | 13 TWh | Apr 1977 | Feb 2024 | Subbituminous Coal : 99.9% |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Feb 2024 | Nuclear |
| Millstone | Waterford, Connecticut | 15 TWh | Nov 1975 | Feb 2024 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 12 TWh | Oct 1969 | Feb 2024 | Subbituminous Coal : 74.3% Bituminous Coal : 15.4% Petroleum Coke : 9.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 17 TWh | Nov 1969 | Feb 2024 | Nuclear |
| North Anna | Mineral, Virginia | 17 TWh | May 1978 | Feb 2024 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 13 TWh | Mar 2010 | Feb 2024 | Lignite Coal : 96.3% Natural Gas : 3.7% |
| Oconee | Seneca, South Carolina | 24 TWh | Jun 1973 | Feb 2024 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2024 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 34 TWh | Dec 1985 | Feb 2024 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 24 TWh | Jun 1974 | Feb 2024 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 14 TWh | May 2012 | Feb 2024 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 20 TWh | May 1971 | Feb 2024 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 16 TWh | Nov 1972 | Feb 2024 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 17 TWh | Dec 1960 | Feb 2024 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 21 TWh | Jun 1981 | Feb 2024 | Nuclear |
| South Texas Project | Wadsworth, Texas | 23 TWh | Jul 1988 | Feb 2024 | Nuclear |
| St Lucie | Jensen Beach, Florida | 18 TWh | Apr 1976 | Feb 2024 | Nuclear |
| Surry | Surry, Virginia | 15 TWh | Nov 1972 | Feb 2024 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 21 TWh | May 1983 | Feb 2024 | Nuclear |
| Turkey Point | Homestead, Florida | 22 TWh | Mar 1967 | Feb 2024 | Nuclear : 67.8% Natural Gas : 32.2% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Feb 2024 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 27 TWh | Apr 1987 | Feb 2024 | Nuclear |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Feb 2024 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 21 TWh | Jul 2009 | Feb 2024 | Natural Gas : 99.9% |