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 2025Q1 Seller Transactions | FERC 2025Q1 Buyer Transactions |
|---|---|---|---|---|---|---|---|---|
| Northwest Ohio Wind, LLC | Haviland, OH | Independent Power Producer | 1 | 308.9 GWh | Apr 2025 | Apr 2025 | $4.59M | |
| Northwestern Energy LLC - (MT) | Butte, MT | |Investor-Owned Utility | 29 | 3.8 TWh | Apr 2025 | Apr 2025 | $10.92M | $16.09M |
| Nova Power, LLC | Houston, TX | Independent Power Producer | 1 | -86.7 GWh | Apr 2025 | Apr 2025 | $29.54M | |
| NRG Arthur Kill Operations Inc | Staten Island, NY | Independent Power Producer | 1 | 1.9 TWh | Apr 2025 | - | ||
| NRG California Peaker Operations LLC | Carlsbad, CA | Independent Power Producer | 1 | 274.2 GWh | Apr 2025 | - | ||
| NRG Chalk Point CT | Aquasco, MD | Independent Power Producer | 1 | 1.5 GWh | Apr 2025 | Apr 2025 | $852.67k | |
| NRG Cottonwood Tenant LLC | Deweyville, TX | Independent Power Producer | 1 | 6.2 TWh | Apr 2025 | Apr 2025 | $65.81M | |
| NRG Energy Gas & Wind Holdings Inc | Princeton, NJ | Independent Power Producer | 2 | 337.9 GWh | Apr 2025 | - | ||
| NRG Energy Services | Osceola, AR | Commercial|Independent Power Producer | 5 | 4.7 TWh | Apr 2025 | - | ||
| NRG Texas Power LLC | Houston, TX | Independent Power Producer | 10 | 23.6 TWh | Apr 2025 | - | ||
| Nstar Electric Company | Westwood, MA | Investor-Owned Utility | 17 | 62.6 GWh | Apr 2025 | Apr 2025 | $43.79M | $124.27M |
| NTUA Generation - Utah, LLC | Independent Power Producer | 1 | 214.5 GWh | Apr 2025 | - | |||
| Oak Solar LLC | Stamford, CT | Independent Power Producer | 1 | 240.6 GWh | Apr 2025 | Mar 2025 | $1.29M | |
| Oberon Solar Ia | Irvine, CA | Independent Power Producer | 1 | 300.4 GWh | Apr 2025 | - | ||
| Oberon Solar Ib | Irvine, CA | Independent Power Producer | 1 | 61.3 GWh | Apr 2025 | - | ||
| Occidental Chemical Corporation | Houston, TX | Industrial | 2 | 5.3 TWh | Apr 2025 | Mar 2025 | $30.88M | |
| Ocean County Utilities AUTH | Bayville, NJ | Political Subdivision | 1 | 2.8 GWh | Apr 2025 | - | ||
| Odyssey Operating Services | Charlotte, NC | Independent Power Producer | 1 | 3.9 TWh | Apr 2025 | - | ||
| Oe_ald | Miami, FL | Independent Power Producer | 1 | 163.4 GWh | Apr 2025 | - | ||
| Oe_escl | Miami, FL | Independent Power Producer | 1 | 453.4 GWh | Apr 2025 | - | ||
| Oe_fl7 | Miami, FL | Independent Power Producer | 1 | 43.1 GWh | Apr 2025 | - | ||
| Oe_ms5 | Miami, FL | Independent Power Producer | 1 | 81.5 GWh | Apr 2025 | - | ||
| Oe_ms6 | Miami, FL | Independent Power Producer | 1 | 298.4 GWh | Apr 2025 | - | ||
| Oe_sas1 | Miami, FL | Independent Power Producer | 1 | 28.3 GWh | Apr 2025 | - | ||
| Oe_tn1 | Miami, FL | Independent Power Producer | 1 | 187.0 GWh | Apr 2025 | - | ||
| OEE Xvii, LLC | Findlay, OH | Industrial | 1 | 3.2 GWh | Apr 2025 | - | ||
| Oglethorpe Power Corporation | Tucker, GA | Cooperative | 13 | 16.3 TWh | Apr 2025 | Mar 2025 | $9.28M | $5.05M |
| Ohio Valley Electric Corp | Piketon, OH | Investor-Owned Utility | 1 | 5.4 TWh | Apr 2025 | Apr 2025 | $224.01M | $97.01M |
| Oklahoma Gas & Electric Co | Oklahoma City, OK | Investor-Owned Utility | 22 | 17.6 TWh | Apr 2025 | Apr 2025 | $140.34M | $9.50M |
| Old 300 Solar Center, LLC | Austin, TX | Independent Power Producer | 1 | 936.2 GWh | Apr 2025 | - | ||
| Old Dominion Electric Coop | Glen Allen, VA | Cooperative | 10 | 4.2 TWh | Apr 2025 | Apr 2025 | $507.97M | $74.32M |
| Old Settler Wind, LLC | Houston, TX | Independent Power Producer | 1 | 595.9 GWh | Apr 2025 | - | ||
| Old Trail Wind Farm LLC | Ellsworth, IL | Independent Power Producer | 1 | 640.6 GWh | Apr 2025 | Apr 2025 | $6.38M | |
| OLIN Blue Cube Operations | Freeport, TX | Industrial | 1 | 1.8 TWh | Apr 2025 | - | ||
| Oliver Wind III, LLC | Juno Beach, FL | Independent Power Producer | 1 | 471.7 GWh | Apr 2025 | Mar 2025 | $2.70M | |
| Oliver Wind IV, LLC | Juno Beach, FL | Independent Power Producer | 1 | 322.7 GWh | Apr 2025 | Apr 2025 | $3.32M | |
| Omaha Public Power District | Omaha, NE | Political Subdivision | 11 | 8.3 TWh | Apr 2025 | Apr 2025 | $89.65M | $41.57M |
| Omnis Pleasants, LLC | Santa Barbara, CA | Independent Power Producer | 1 | 702.3 GWh | Apr 2025 | Apr 2025 | $500.22k | |
| Oneta Power LLC | Broken Arrow, OK | Independent Power Producer | 1 | 5.9 TWh | Apr 2025 | Mar 2025 | $62.09M | |
| Ontelaunee Energy Center | Reading, PA | Independent Power Producer | 1 | 3.8 TWh | Apr 2025 | - | ||
| Onward Energy | New York, NY | Independent Power Producer | 41 | 5.9 TWh | Apr 2025 | - | ||
| Orchard Ranch Solar, LLC | Boston, MA | Independent Power Producer | 1 | 47.4 GWh | Apr 2025 | - | ||
| Oregon Clean Energy Center | Oregon, OH | Independent Power Producer | 1 | 6.2 TWh | Apr 2025 | Apr 2025 | $83.42M | |
| Oregon State University | Corvallis, OR | State-Owned Utility | 1 | 46.8 GWh | Apr 2025 | - | ||
| Orlando Utilities COMM | Orlando, FL | Municipally-Owned Utility | 5 | 4.3 TWh | Apr 2025 | Apr 2025 | $12.94M | |
| Ormat Nevada Inc. | Reno, NV | Independent Power Producer | 28 | 3.4 TWh | Apr 2025 | - | ||
| Ormond Beach Power, LLC | Houston, TX | Independent Power Producer | 1 | 50.3 GWh | Apr 2025 | Mar 2025 | $39.63M | |
| Orsted Onshore North America | Austin, TX | Independent Power Producer | 1 | 1.3 TWh | Apr 2025 | - | ||
| Orsted Wind Power North America LLC | Boston, MA | Independent Power Producer | 3 | 443.9 GWh | Apr 2025 | - | ||
| Osborn Wind Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 797.6 GWh | Apr 2025 | Mar 2025 | $6.59M | |
| Osceola Windpower LLC | Juno Beach, FL | Independent Power Producer | 2 | 691.6 GWh | Apr 2025 | Jun 2019 | ||
| OTAY Mesa Energy Center LLC | Dublin, CA | Independent Power Producer | 1 | 2.3 TWh | Apr 2025 | Apr 2025 | $16.15M | |
| Otter Creek Ethanol LLC - Poet Ashton | Ashton, IA | Industrial | 1 | 46.1 GWh | Apr 2025 | - | ||
| Otter Tail Power Co | Fergus Falls, MN | Investor-Owned Utility | 21 | 5.9 TWh | Apr 2025 | Apr 2025 | $34.60M | $1.18M |
| Oxnard City Of | Oxnard, CA | Municipally-Owned Utility | 1 | 5.0 GWh | Apr 2025 | - | ||
| Oxy VInyls LP | Houston, TX | Industrial | 2 | 1.9 TWh | Apr 2025 | - | ||
| Ozark Hydro Management, LLC | Locust Grove, AR | Independent Power Producer | 3 | 60.3 GWh | Apr 2025 | - | ||
| Pacific Gas & Electric Co. | San Francisco, CA | Investor-Owned Utility | 87 | 35.1 TWh | Apr 2025 | Apr 2025 | $440.26M | |
| Pacificorp | Portland, OR | Investor-Owned Utility | 85 | 49.9 TWh | Apr 2025 | Apr 2025 | $135.48M | $1.46B |
| Packaging Corp Of America | Counce, TN | Independent Power Producer | 1 | 458.9 GWh | Apr 2025 | - | ||
| Palm Springs City Of | Palm Springs, CA | Municipally-Owned Utility | 1 | 8.0 GWh | Apr 2025 | - | ||
| Palmer's Creek Wind Farm, LLC | Granite Falls, MN | Independent Power Producer | 1 | 145.2 GWh | Apr 2025 | Apr 2025 | $938.23k | |
| PALO DURO Wind | Juno Beach, FL | Independent Power Producer | 1 | 869.7 GWh | Apr 2025 | Mar 2025 | $2.24M | |
| Panoche Energy Center, LLC | Needham, MA | Independent Power Producer | 1 | 1.3 TWh | Apr 2025 | Apr 2025 | $11.49M | |
| Par Petroleum | Houston, TX | Industrial | 1 | 194.1 GWh | Apr 2025 | - | ||
| Paris Farm Solar, LLC | Redwood City, CA | Independent Power Producer | 1 | 609.1 GWh | Apr 2025 | - | ||
| Partin Solar, LLC | Charleston, SC | Independent Power Producer | 1 | 77.5 GWh | Apr 2025 | Mar 2025 | $993.94k | |
| Pasadena Cogeneration LP | Pasadena, TX | Independent Power Producer | 1 | 5.3 TWh | Apr 2025 | - | ||
| Pasco County | New Port Richey, FL | Municipally-Owned Utility | 1 | 193.6 GWh | Apr 2025 | - | ||
| Pattern Operators LP | San Francisco, CA | Independent Power Producer | 32 | 11.6 TWh | Apr 2025 | - | ||
| Paulding Wind Farm II LLC | Houston, TX | Independent Power Producer | 1 | 350.0 GWh | Apr 2025 | Apr 2025 | $5.05M | |
| Paulding Wind Farm III LLC | Houston, TX | Independent Power Producer | 1 | 346.0 GWh | Apr 2025 | Apr 2025 | $5.23M | |
| Paulding Wind Farm IV LLC | Houston, TX | Independent Power Producer | 1 | 438.2 GWh | Apr 2025 | Apr 2025 | $5.92M | |
| Paulsboro Refining Company - LLC | Paulsboro, NJ | Industrial | 1 | 370.1 GWh | Apr 2025 | Mar 2025 | $202.04k | |
| PB Nutclif Master, LLC | Nutley, NJ | Commercial | 1 | 53.4 GWh | Apr 2025 | - | ||
| PCA, Filer City Mill | Filer City, MI | Industrial | 1 | 107.2 GWh | Apr 2025 | - | ||
| PCI Nitrogen LLC | Pasadena, TX | Industrial | 1 | 65.4 GWh | Apr 2025 | - | ||
| PCS Phosphate | Aurora, NC | Industrial | 1 | 209.5 GWh | Apr 2025 | - | ||
| Pearl River Solar Park, LLC | Houston, TX | Independent Power Producer | 1 | 300.1 GWh | Apr 2025 | Mar 2025 | $2.81M | |
| Pegasus Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 439.3 GWh | Apr 2025 | Mar 2025 | $5.32M | |
| PEI Power Corp | Archbald, PA | Independent Power Producer | 1 | 101.1 GWh | Apr 2025 | Apr 2025 | $168.64k | |
| PENN State University | University Park, PA | Commercial | 2 | 90.5 GWh | Apr 2025 | - | ||
| Peony Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 82.3 GWh | Apr 2025 | Mar 2025 | $543.07k | |
| Perrin Ranch Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 191.5 GWh | Apr 2025 | Mar 2025 | $4.47M | |
| Pfizer Inc | Groton, CT | Commercial | 1 | 86.7 GWh | Apr 2025 | Dec 2017 | ||
| Pheasant Run Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 284.7 GWh | Apr 2025 | Mar 2025 | $4.26M | |
| Philadelphia Water Department | Philadelphia, PA | Municipally-Owned Utility | 1 | 33.7 GWh | Apr 2025 | - | ||
| Phillips 66 | Rodeo, CA | Industrial | 5 | 165.1 GWh | Apr 2025 | Apr 2025 | $8.79M | |
| Phillips 66 - LOS Angeles | Houston, TX | Industrial | 1 | 430.4 GWh | Apr 2025 | - | ||
| Phobos Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 196.0 GWh | Apr 2025 | Mar 2025 | $1.43M | |
| Phoebe Energy Project, LLC | San Diego, CA | Independent Power Producer | 1 | 571.9 GWh | Apr 2025 | - | ||
| Phoenix Solar South Farms LLC | Centennial, CO | Independent Power Producer | 1 | 7.1 GWh | Apr 2025 | - | ||
| PHR Holdings LLC | The Woodlands, TX | Independent Power Producer | 1 | 117.0 GWh | Apr 2025 | - | ||
| Piedmont Green Power LLC | Barnesville, GA | Independent Power Producer | 1 | 423.8 GWh | Apr 2025 | Mar 2025 | $7.04M | |
| Pima Energy Storage System | Juno Beach, FL | Independent Power Producer | 1 | -447.0 MWh | Apr 2025 | Mar 2025 | $130.00k | |
| Pinal Central Energy Center, LLC | Juno Beach, FL | Independent Power Producer | 1 | 59.3 GWh | Apr 2025 | Mar 2025 | $975.51k | |
| Pine Bluff Energy LLC | Pine Bluff, AR | Independent Power Producer | 1 | 1.1 TWh | Apr 2025 | Apr 2025 | $38.63M | |
| Pine Gate Renewables | Asheville, NC | Independent Power Producer | 7 | 216.5 GWh | Apr 2025 | - | ||
| Pinnacle Wind, LLC | Keyser, WV | Independent Power Producer | 1 | 211.4 GWh | Apr 2025 | Apr 2025 | $7.83M | |
| Pioneer HUTT Wind Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 668.9 GWh | Apr 2025 | - |
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 | Apr 2025 | Nuclear |
| Barry | Bucks, Alabama | 15 TWh | Jan 1954 | Apr 2025 | Natural Gas : 93.7% Bituminous Coal : 6.3% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Apr 2025 | Nuclear |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Apr 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 29 TWh | Jul 1974 | Apr 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Apr 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 19 TWh | Aug 1985 | Apr 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Apr 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Apr 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Apr 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Apr 2025 | Natural Gas : 78.9% Bituminous Coal : 21.0% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Apr 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Apr 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Apr 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Apr 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 12 TWh | Sep 1974 | Apr 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Ghent | Ghent, Kentucky | 11 TWh | Jan 1974 | Apr 2025 | Bituminous Coal : 99.9% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Apr 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Apr 2025 | Nuclear |
| Greensville County Power Station | Emporia, Virginia | 12 TWh | Nov 2018 | Apr 2025 | Natural Gas |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Apr 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Apr 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Apr 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Apr 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Apr 2025 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Apr 2025 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Apr 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 20 TWh | Dec 1983 | Apr 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 20 TWh | Jan 1986 | Apr 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Apr 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Apr 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Apr 2025 | Subbituminous Coal : 74.5% Bituminous Coal : 15.8% Petroleum Coke : 9.6% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Apr 2025 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Apr 2025 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Apr 2025 | Lignite Coal : 98.0% Natural Gas : 2.0% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Apr 2025 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Apr 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Apr 2025 | Nuclear |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 18 TWh | May 1971 | Apr 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Apr 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 15 TWh | Dec 1960 | Apr 2025 | Water |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | Apr 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Apr 2025 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Apr 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Apr 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 21 TWh | Mar 1967 | Apr 2025 | Nuclear : 66.2% Natural Gas : 33.8% |
| Vogtle | Waynesboro, Georgia | 35 TWh | Apr 1987 | Apr 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Apr 2025 | Subbituminous Coal : 82.6% Natural Gas : 17.4% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Apr 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Apr 2025 | Natural Gas : 99.9% |