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 |
|---|---|---|---|---|---|---|---|---|
| Oneta Power LLC | Broken Arrow, OK | Independent Power Producer | 1 | 4.8 TWh | Aug 2026 | Oct 2025 | $72.96M | |
| Onsite Partners, LLC | Columbus, OH | Independent Power Producer | 45 | 152.1 GWh | Aug 2026 | - | ||
| Ontelaunee Energy Center | Reading, PA | Independent Power Producer | 1 | 4.0 TWh | Aug 2026 | - | ||
| Onward Energy | New York, NY | Independent Power Producer | 41 | 6.6 TWh | Aug 2026 | - | ||
| Onyx Asset Services Group | New York, NY | Independent Power Producer | 41 | 115.0 GWh | Dec 2025 | - | ||
| Open Mountain Energy LLC. | LEHI, UT | Independent Power Producer | 1 | 18.7 GWh | Dec 2025 | - | ||
| Oppidum Renewables USA, LLC | Pittsburgh, PA | Independent Power Producer | 18 | 128.4 GWh | Dec 2025 | - | ||
| Or Solar 2, LLC | Jersey City, NJ | Independent Power Producer | 1 | 20.8 GWh | Dec 2025 | - | ||
| OCI Energy LLC | San Antonio, TX | Independent Power Producer | 5 | 93.0 GWh | Dec 2025 | - | ||
| Ny USLE Rome Rome-Oriskany LLC | Arlington, VA | Independent Power Producer | 1 | 4.8 GWh | Dec 2025 | - | ||
| Nysolar03 LLC | Houston, TX | Independent Power Producer | 1 | 6.1 GWh | Dec 2025 | - | ||
| O'Neill Creek Solar LLC | Beaverton, OR | Independent Power Producer | 1 | 3.5 GWh | Dec 2025 | - | ||
| Oak Leaf Solar V LLC | Bethesda, MD | Independent Power Producer | 1 | 1.9 GWh | Dec 2025 | - | ||
| Oak Solar LLC | Stamford, CT | Independent Power Producer | 1 | 276.7 GWh | Aug 2026 | Oct 2025 | $3.41M | |
| Oak Trail Solar, LLC | Houston, TX | Independent Power Producer | - | - | - | Oct 2025 | $3.40M | |
| Oakwood Solar, LLC | Asheville, NC | Independent Power Producer | - | 10.2 GWh | Dec 2024 | - | ||
| Oasis ALTA, LLC | San Diego, CA | Independent Power Producer | - | - | - | Oct 2025 | $818.48k | |
| Oberon Solar Ia | Irvine, CA | Independent Power Producer | 1 | 285.8 GWh | Aug 2026 | - | ||
| Oberon Solar Ib | Irvine, CA | Independent Power Producer | 1 | 53.3 GWh | Aug 2026 | - | ||
| Occidental College | LOS Angeles, CA | Independent Power Producer | 1 | 1.7 GWh | Dec 2025 | - | ||
| Ocean State Power Co | Harrisville, RI | Independent Power Producer | 2 | 1.7 TWh | Dec 2025 | Sep 2025 | $27.03M | |
| NRG Chalk Point CT | Aquasco, MD | Independent Power Producer | 1 | 22.1 GWh | Aug 2026 | Sep 2025 | $1.36M | |
| ODOM Solar, LLC | Nashville, TN | Independent Power Producer | 1 | 47.2 GWh | Dec 2025 | Sep 2025 | $355.09k | |
| Odyssey Operating Services | Charlotte, NC | Independent Power Producer | 1 | 3.7 TWh | Aug 2026 | - | ||
| Odyssey Solar, LLC | Charlotte, NC | Independent Power Producer | - | 12.5 GWh | Dec 2024 | Sep 2025 | $238.51k | |
| Oe Il Solar 3, LLC | Boston, MA | Independent Power Producer | 1 | 4.6 GWh | Dec 2025 | - | ||
| Oe_tn1 | Miami, FL | Independent Power Producer | 1 | 210.2 GWh | Aug 2026 | - | ||
| Off Airport Road - West, LLC | Boston, MA | Independent Power Producer | 1 | 6.7 GWh | Dec 2025 | - | ||
| Ogburn Solar, LLC | Jersey City, NJ | Independent Power Producer | 1 | 4.5 GWh | Dec 2025 | - | ||
| Ogden Projects Inc-Haverhill | Morristown, NJ | Independent Power Producer | 1 | 319.6 GWh | Aug 2026 | - | ||
| Ohio Power Partners, LLC | Middletown, OH | Independent Power Producer | 1 | 3.8 TWh | Aug 2026 | Oct 2025 | $23.60M | |
| Old 300 Solar Center, LLC | Austin, TX | Independent Power Producer | 1 | 997.9 GWh | Aug 2026 | - | ||
| Old Court RD Solar, LLC | Arlington, VA | Independent Power Producer | - | 3.1 GWh | Dec 2024 | - | ||
| Nextgrid Bitterbush, LLC | San Francisco, CA | Independent Power Producer | 1 | 6.4 GWh | Dec 2025 | - | ||
| Nextera Energy Desert Sunlight 300, LLC | Juno Beach, FL | Independent Power Producer | 1 | 665.6 GWh | Dec 2025 | - | ||
| Nextera Energy Majestic Wind | Juno Beach, FL | Independent Power Producer | 2 | 574.2 GWh | Dec 2025 | - | ||
| Nextera Energy Montezuma Wind II, LLC | Juno Beach, FL | Independent Power Producer | 1 | 200.9 GWh | Dec 2025 | - | ||
| Nextera Energy Mountain VIew Solar | Juno Beach, FL | Independent Power Producer | 1 | 57.3 GWh | Aug 2026 | - | ||
| Nextera Energy Point Beach LLC | Two Rivers, WI | Independent Power Producer | 1 | 10.9 TWh | Aug 2026 | Sep 2025 | $180.80M | $4.96M |
| Nextera Energy Resources Breckinridge | Juno Beach, FL | Independent Power Producer | 1 | 319.9 GWh | Dec 2025 | - | ||
| Nextera Energy Resources Ensign Wind | Juno Beach, FL | Independent Power Producer | 11 | 988.1 GWh | Dec 2025 | Jun 2024 | ||
| Nextera Energy Seabrook LLC | Juno Beach, FL | Independent Power Producer | 1 | 10.8 TWh | Aug 2026 | Oct 2025 | $119.57M | $35.44k |
| Nextera Energy Seiling Wind | Juno Beach, FL | Independent Power Producer | 2 | 777.9 GWh | Dec 2025 | - | ||
| Nextera Renewable Fuels, LLC | Allentown, PA | Independent Power Producer | 33 | 503.0 GWh | Aug 2026 | Oct 2025 | $4.38M | $2.19M |
| Nextera Wolf Ridge LLC | Juno Beach, FL | Independent Power Producer | 1 | 385.5 GWh | Dec 2025 | - | ||
| Nexteraenergy | Juno Beach, FL | Independent Power Producer | 1 | 210.5 GWh | Aug 2026 | Feb 2014 | ||
| Nextera Energy Desert Sunlight 250, LLC | Juno Beach, FL | Independent Power Producer | 1 | 554.7 GWh | Dec 2025 | - | ||
| Nextgrid Cliffrose, LLC | San Francisco, CA | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Nextgrid Corkwood, LLC | San Francisco, CA | Independent Power Producer | 1 | 6.0 GWh | Dec 2025 | - | ||
| Nextgrid Mangrove, LLC | San Francisco, CA | Independent Power Producer | 1 | 6.5 GWh | Dec 2025 | - | ||
| Nextgrid Mastic, LLC | San Francisco, CA | Independent Power Producer | 1 | 5.0 GWh | Dec 2025 | - | ||
| Nextgrid Peppertree, LLC | San Francisco, CA | Independent Power Producer | 1 | 7.0 GWh | Dec 2025 | - | ||
| NFI Solar LLC | Camden, NJ | Independent Power Producer | 3 | 6.3 GWh | Dec 2025 | - | ||
| NGI-Kayenta Solar Lessor I, LLC | Fort Defiance, AZ | Independent Power Producer | 1 | 131.1 GWh | Aug 2026 | - | ||
| NGP Blue Mountain I LLC | Winnemucca, NV | Independent Power Producer | 1 | 189.1 GWh | Dec 2025 | Sep 2025 | $3.15M | |
| Niagara Depot Solar, LLC | Boston, MA | Independent Power Producer | 1 | 5.5 GWh | Dec 2025 | - | ||
| Niagara Wind Power LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Oct 2025 | $580.10k | |
| Nickelson Solar 2, LLC | Miami, FL | Independent Power Producer | 1 | 9.9 GWh | Dec 2025 | - | ||
| New Market Solar | Oakville, ON | Independent Power Producer | 1 | 231.2 GWh | Aug 2026 | - | ||
| Nestlewood Solar | Charlotte, NC | Independent Power Producer | 1 | 182.6 GWh | Aug 2026 | - | ||
| Nevada Cogeneration Assoc # 1 | Las Vegas, NV | Independent Power Producer | 1 | 333.9 GWh | Aug 2026 | - | ||
| Nevada Cogeneration Assoc # 2 | Las Vegas, NV | Independent Power Producer | 1 | 317.1 GWh | Aug 2026 | - | ||
| Nevada Gold Energy, LLC | Battle Mountain, NV | Independent Power Producer | 1 | 1.8 TWh | Aug 2026 | Jul 2025 | $2.46M | |
| New Athens Generating Company LLC | Darien, CT | Independent Power Producer | 1 | 3.2 TWh | Aug 2026 | Oct 2025 | $65.83M | |
| New Britain Renewable Energy, LLC | Danbury, CT | Independent Power Producer | 1 | 7.9 GWh | Dec 2025 | - | ||
| New Castle Power, LLC | Chicago, IL | Independent Power Producer | 1 | 727.0 GWh | Dec 2025 | Oct 2025 | $11.28M | |
| New Columbia Solar | Washington, DC | Independent Power Producer | 3 | 2.9 GWh | Dec 2025 | - | ||
| New Creek Wind, LLC | New Creek, WV | Independent Power Producer | 1 | 287.0 GWh | Aug 2026 | Oct 2025 | $3.17M | |
| New Germany Solar I LLC | Denver, CO | Independent Power Producer | 1 | 1.6 GWh | Dec 2025 | - | ||
| New Hampshire Hydro Associates | Penacook, NH | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| New Harquahala Generating Co, LLC | Plano, TX | Independent Power Producer | 1 | 3.5 TWh | Aug 2026 | Oct 2025 | $32.75M | |
| Nicolis, LLC | Pasadena, CA | Independent Power Producer | - | - | Dec 2019 | Sep 2025 | $1.33M | |
| New Martinsville Hannibal Hydro | New Martinville, WV | Independent Power Producer | 1 | 213.4 GWh | Dec 2025 | - | ||
| New Munich Solar LLC | Princeton, NJ | Independent Power Producer | 1 | 2.0 GWh | Dec 2025 | - | ||
| New York University | New York, NY | Independent Power Producer | 1 | 86.0 GWh | Dec 2025 | - | ||
| New York Zoological Society | Bronx, NY | Independent Power Producer | 1 | 22.5 GWh | Dec 2025 | - | ||
| Newark Road Kendall Solar 1, LLC | Rockville, MD | Independent Power Producer | 1 | 4.1 GWh | Dec 2025 | - | ||
| Newfield Solar LLC | Boston, MA | Independent Power Producer | 1 | 8.5 GWh | Dec 2025 | - | ||
| Newman Solar LLC | New York, NY | Independent Power Producer | 1 | 16.7 GWh | Dec 2025 | - | ||
| Newport Solar, LLC | Jackson, MI | Independent Power Producer | 1 | 392.8 GWh | Aug 2026 | Sep 2025 | $3.25M | |
| Newton Municipal Solar LLC - Rumford | Framingham, MA | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | - | ||
| Nexamp Peak, LLC | Boston, MA | Independent Power Producer | 1 | 2.1 GWh | Dec 2025 | - | ||
| Nexamp Treasure Valley Solar, LLC | Beltsville, MD | Independent Power Producer | 1 | 6.5 GWh | Dec 2025 | - | ||
| Northstar Clean Energy | Jackson, MI | Independent Power Producer | 2 | 319.7 GWh | Dec 2025 | - | ||
| North Star Solar PV LLC | New York, NY | Independent Power Producer | 1 | 198.3 GWh | Aug 2026 | Sep 2025 | $11.25M | |
| North Valley | Reno, NV | Independent Power Producer | 1 | 197.9 GWh | Aug 2026 | - | ||
| Northbrook Carolina Hydro II, LLC | Scottsdale, AZ | Independent Power Producer | 3 | 15.5 GWh | Dec 2025 | - | ||
| Northbrook Carolina Hydro LLC | Scottsdale, AZ | Independent Power Producer | 4 | 18.6 GWh | Aug 2026 | - | ||
| Northbrook Lyons Falls LLC | Independent Power Producer | 3 | 37.5 GWh | Dec 2025 | - | |||
| Northbrook VIrginia Hydro, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 24.6 GWh | Dec 2025 | - | ||
| Northeast Energy Associates LP | Juno Beach, FL | Independent Power Producer | 1 | 319.5 GWh | Dec 2025 | Sep 2025 | $5.83M | |
| Northeastern Power Co | Houston, TX | Independent Power Producer | 2 | 3.8 GWh | Dec 2025 | Oct 2025 | $24.92k | $691.25k |
| Northern Colorado Wind LLC | Juno Beach, FL | Independent Power Producer | 1 | 583.1 GWh | Dec 2025 | Sep 2025 | $7.42M | |
| Northern Star Generation Services Co LLC | Houston, TX | Independent Power Producer | 1 | 405.3 GWh | Dec 2025 | - | ||
| Northfield Community Solar | Scottsdale, AZ | Independent Power Producer | 1 | 8.6 GWh | Dec 2025 | - | ||
| Northfield Holdco LLC | Princeton, NJ | Independent Power Producer | 1 | 8.6 GWh | Dec 2025 | - | ||
| North Sky River Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 389.0 GWh | Dec 2025 | Sep 2025 | $9.90M | |
| Northstar MACY's Maryland 2015, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 3.6 GWh | Aug 2026 | - | ||
| Northumberland Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 105.5 GWh | Aug 2026 | Sep 2025 | ||
| Northwest Ohio Wind, LLC | Haviland, OH | Independent Power Producer | 1 | 310.2 GWh | Aug 2026 | Oct 2025 | $2.84M |
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 | Aug 2026 | Nuclear |
| Barry | Bucks, Alabama | 14 TWh | Jan 1954 | Aug 2026 | Natural Gas : 96.4% Bituminous Coal : 3.6% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Aug 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Aug 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Aug 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | Aug 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Aug 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Aug 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Aug 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | Aug 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Aug 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Aug 2026 | Natural Gas : 69.9% Bituminous Coal : 29.9% |
| Diablo Canyon | Avila Beach, California | 19 TWh | Apr 1985 | Aug 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Aug 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Aug 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Aug 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 12 TWh | Sep 1974 | Aug 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 19 TWh | Feb 1941 | Aug 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Aug 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Aug 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Aug 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Aug 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Aug 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Aug 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Aug 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Aug 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Aug 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Aug 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Aug 2026 | Subbituminous Coal : 75.1% Bituminous Coal : 15.7% Petroleum Coke : 9.0% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Aug 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Aug 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Aug 2026 | Lignite Coal : 99.3% Natural Gas : 0.7% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Aug 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Aug 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Aug 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Aug 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Aug 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Aug 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Aug 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 18 TWh | Jun 1981 | Aug 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Aug 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Aug 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | Aug 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Aug 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Aug 2026 | Nuclear : 64.7% Natural Gas : 35.3% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Aug 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Aug 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Aug 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Aug 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Aug 2026 | Natural Gas : 99.9% |