Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Crossroads Wind Farm | Oklahoma Gas & Electric Co | Canton, OK | Southwest Power Pool (SWPP) | 374.6 GWh | Dec 2011 | Dec 2025 | Wind |
| Covington Solar Farm | Oklahoma Gas & Electric Co | Covington, OK | Southwest Power Pool (SWPP) | 18.6 GWh | Jan 2018 | Dec 2024 | Solar |
| Charles D. Lamb Energy Center | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 211.8 GWh | Mar 2015 | Dec 2024 | Natural Gas |
| Kaw Hydro | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 28.7 GWh | Jul 1989 | Dec 2024 | Water |
| Ponca City | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 22.6 GWh | Sep 1966 | Dec 2024 | Natural Gas |
| Rio Bravo Hydro Project | Olcese Water District | Bakersfield, CA | California Independent System Operator (CISO) | 34.6 GWh | Apr 1989 | Oct 2024 | Water |
| Old 300 Solar Center, LLC | Old 300 Solar Center, LLC | Needville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 901.6 GWh | Sep 2024 | Dec 2025 | Solar |
| Old Court Rd Solar | Old Court Rd Solar, LLC | Woodstock, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Sep 2019 | Dec 2024 | Solar |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 3.3 TWh | Mar 2018 | Dec 2025 | Natural Gas |
| Ponton Diesel Generating Facility | Old Dominion Electric Coop | Amelia, VA | PJM Interconnection, LLC (PJM) | 544.0 MWh | Nov 2002 | Dec 2024 | Distillate Fuel Oil |
| Nottoway Diesel Generating Facility | Old Dominion Electric Coop | Courtland, VA | PJM Interconnection, LLC (PJM) | 734.0 MWh | Oct 2002 | Dec 2024 | Distillate Fuel Oil |
| Louisa Generation Facility | Old Dominion Electric Coop | Gordonsville, VA | PJM Interconnection, LLC (PJM) | 520.8 GWh | Jul 2003 | Dec 2024 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Marsh Run Generation Facility | Old Dominion Electric Coop | Remington, VA | PJM Interconnection, LLC (PJM) | 390.8 GWh | Aug 2004 | Dec 2024 | Natural Gas : 97.8% Distillate Fuel Oil : 2.2% |
| Onancock Diesel Generation Facility | Old Dominion Electric Coop | Onancock, VA | PJM Interconnection, LLC (PJM) | 264.0 MWh | Oct 2002 | Dec 2024 | Distillate Fuel Oil |
| Perdue Diesel Generation Facility | Old Dominion Electric Coop | Accomack, VA | PJM Interconnection, LLC (PJM) | 286.0 MWh | Oct 2002 | Dec 2024 | Distillate Fuel Oil |
| Belle Haven Diesel Generation Facility | Old Dominion Electric Coop | Belle Haven, VA | PJM Interconnection, LLC (PJM) | 278.0 MWh | Oct 2002 | Dec 2024 | Distillate Fuel Oil |
| Monterey Diesel Generation Facility | Old Dominion Electric Coop | Monterey, VA | PJM Interconnection, LLC (PJM) | 179.0 MWh | Apr 2016 | Dec 2024 | Distillate Fuel Oil |
| Old Frontier Solar III | Old Frontier Solar III PV, LLC | South Deerfield, MA | ISO New England (ISNE) | 4.1 GWh | Aug 2022 | Dec 2024 | Solar |
| Old Gold Energy Center, LLC | Old Gold Energy Center, LLC | Joice, IA | Midcontinent Independent System Operator, Inc. (MISO) | 78.4 GWh | Sep 2001 | Dec 2024 | Wind |
| Old Mill Solar | Old Mill Solar | Bly, OR | PacifiCorp West (PACW) | 7.2 GWh | Nov 2015 | Dec 2024 | Solar |
| Old Settler Wind | Old Settler Wind, LLC | Floydada, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 544.4 GWh | Mar 2017 | Dec 2025 | Wind |
| Old Trail Wind Farm | Old Trail Wind Farm LLC | Ellsworth, IL | PJM Interconnection, LLC (PJM) | 556.3 GWh | Nov 2007 | Dec 2025 | Wind |
| Oleander Power Project LP | Oleander Holdings LLC | Cocoa, FL | Florida Power & Light Co. (FPL) | 488.9 GWh | May 2002 | Dec 2024 | Natural Gas : 99.9% |
| Freeport Energy | Olin Blue Cube Operations | Freeport, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.7 TWh | Mar 1978 | Dec 2025 | Natural Gas |
| Olinda Trail Solar | Olinda Trail Solar LLC | Lindstrom, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Aug 2019 | Dec 2024 | Solar |
| Oliver Wind III, LLC | Oliver Wind III, LLC | Mandan, ND | Midcontinent Independent System Operator, Inc. (MISO) | 380.1 GWh | Dec 2016 | Dec 2025 | Wind |
| Oliver Wind IV | Oliver Wind IV, LLC | Hannover, ND | Southwest Power Pool (SWPP) | 799.5 GWh | Nov 2024 | Dec 2025 | Wind |
| Olmstead II CSG | Olmstead Solar II, LLC | Lena, IL | PJM Interconnection, LLC (PJM) | 4.4 GWh | Aug 2021 | Dec 2024 | Solar |
| Olmsted Waste Energy | Olmsted County Public Works | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 46.7 GWh | Mar 1987 | Dec 2024 | Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.5% |
| Olney Solar II CSG | Olney Solar II, LLC | Olney, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | May 2021 | Dec 2024 | Solar |
| Agnews Power Plant | OLS Energy-Agnews Inc. | San Jose, CA | California Independent System Operator (CISO) | 10.3 GWh | Oct 1990 | Dec 2024 | Natural Gas |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 13.5 GWh | Dec 1989 | Dec 2024 | Water |
| Elk City Station | Omaha Public Power District | Bennington, NE | Southwest Power Pool (SWPP) | 45.9 GWh | Mar 2002 | Dec 2024 | Landfill Gas |
| Turtle Creek | Omaha Public Power District | Springfield, NE | Southwest Power Pool (SWPP) | 380.0 GWh | - | Dec 2025 | Natural Gas : 92.1% Distillate Fuel Oil : 7.9% |
| North Omaha | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 1.5 TWh | Jun 1954 | Dec 2025 | Subbituminous Coal : 90.9% Natural Gas : 9.1% |
| Sarpy County | Omaha Public Power District | Bellevue, NE | Southwest Power Pool (SWPP) | 191.6 GWh | May 1972 | Dec 2024 | Natural Gas : 97.3% Distillate Fuel Oil : 2.7% |
| Jones Street | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 15.6 GWh | May 1973 | Dec 2024 | Distillate Fuel Oil |
| Nebraska City | Omaha Public Power District | Nebraska City, NE | Southwest Power Pool (SWPP) | 6.8 TWh | Mar 1979 | Dec 2025 | Subbituminous Coal : 99.5% |
| Cass County | Omaha Public Power District | Plattsmouth, NE | Southwest Power Pool (SWPP) | 202.4 GWh | Apr 2003 | Dec 2024 | Natural Gas |
| Pleasants Power Station | Omnis Pleasants, LLC | Willow Island, WV | PJM Interconnection, LLC (PJM) | 387.3 GWh | Mar 1979 | Dec 2025 | Bituminous Coal : 94.8% Natural Gas : 5.2% |
| One Ten Partners PV | One Ten Partners, LLC | Palmdale, CA | California Independent System Operator (CISO) | 6.1 GWh | Aug 2017 | Dec 2024 | Solar |
| Oneida - West | Oneida DG Solar, LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Nov 2015 | Dec 2024 | Solar |
| Oneida - South | Oneida DG Solar, LLC | Whitestown, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Nov 2015 | Dec 2024 | Solar |
| Oneta Energy Center | Oneta Power LLC | Broken Arrow, OK | Southwest Power Pool (SWPP) | 4.8 TWh | Jun 2002 | Dec 2025 | Natural Gas |
| Ontelaunee Energy Center | Ontelaunee Energy Center | Reading, PA | PJM Interconnection, LLC (PJM) | 4.1 TWh | Apr 2002 | Dec 2025 | Natural Gas |
| RE Columbia Two, LLC | Onward Energy | Mojave, CA | California Independent System Operator (CISO) | 40.4 GWh | Nov 2014 | Dec 2024 | Solar |
| Hancock Wind Plant | Onward Energy | T22 MD, ME | ISO New England (ISNE) | 120.4 GWh | Nov 2016 | Dec 2025 | Wind |
| CID Solar, LLC | Onward Energy | Corcoran, CA | California Independent System Operator (CISO) | 45.0 GWh | Nov 2014 | Dec 2024 | Solar |
| Route 66 Wind Plant | Onward Energy | Panhandle, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 608.2 GWh | Jul 2015 | Dec 2024 | Wind |
| Mulberry Farm LLC | Onward Energy | Selmer, TN | Tennessee Valley Authority (TVA) | 25.0 GWh | Nov 2014 | Dec 2025 | Solar |
| Selmer Farm LLC | Onward Energy | Selmer, TN | Tennessee Valley Authority (TVA) | 25.6 GWh | Sep 2014 | Dec 2025 | Solar |
| RE Adams East, LLC | Onward Energy | Fresno, CA | California Independent System Operator (CISO) | 39.3 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Kent South, LLC | Onward Energy | Lemoore, CA | California Independent System Operator (CISO) | 44.3 GWh | Nov 2014 | Dec 2024 | Solar |
| Alamo Solar | Onward Energy | Oro Grande, CA | California Independent System Operator (CISO) | 47.7 GWh | Apr 2015 | Dec 2024 | Solar |
| TA-Acacia, LLC | Onward Energy | Lancaster, CA | California Independent System Operator (CISO) | 52.0 GWh | Oct 2014 | Dec 2024 | Solar |
| RE Old River One, LLC | Onward Energy | Bakersfield, CA | California Independent System Operator (CISO) | 35.6 GWh | Nov 2014 | Dec 2024 | Solar |
| Azalea Solar, LLC | Onward Energy | Davisboro, GA | Southern Company Services, Inc. - Trans (SOCO) | 12.1 GWh | Nov 2013 | Dec 2024 | Solar |
| RE Kansas Solar, LLC | Onward Energy | Lemoore, CA | California Independent System Operator (CISO) | 35.7 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Camelot LLC | Onward Energy | Mojave, CA | California Independent System Operator (CISO) | 125.1 GWh | Nov 2014 | Dec 2024 | Solar |
| Cottonwood Solar, LLC (Goose Lake) | Onward Energy | Lost Hills, CA | California Independent System Operator (CISO) | 31.5 GWh | Apr 2015 | Dec 2024 | Solar |
| Cottonwood Solar, LLC (City of Corcoran) | Onward Energy | Corcoran, CA | California Independent System Operator (CISO) | 22.9 GWh | Apr 2015 | Dec 2024 | Solar |
| Indy Solar I, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 15.7 GWh | Nov 2013 | Dec 2025 | Solar |
| Indy Solar II, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 15.2 GWh | Nov 2013 | Dec 2025 | Solar |
| Somers Solar Center, LLC | Onward Energy | Somers, CT | ISO New England (ISNE) | 8.6 GWh | Nov 2013 | Dec 2024 | Solar |
| Indy Solar III, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 13.0 GWh | Nov 2013 | Dec 2025 | Solar |
| Catalina Solar 2, LLC | Onward Energy | Rosamond, CA | California Independent System Operator (CISO) | 52.8 GWh | Jul 2015 | Dec 2024 | Solar |
| FL Solar 4, LLC | Onward Energy | Tallahassee, FL | City of Tallahassee (TAL) | 69.9 GWh | Nov 2019 | Dec 2025 | Solar |
| OE_AZ1 | Onward Energy | Salome, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 80.5 GWh | Nov 2019 | Dec 2025 | Solar |
| OE_GA3 | Onward Energy | Camilla, GA | Southern Company Services, Inc. - Trans (SOCO) | 123.8 GWh | Nov 2019 | Dec 2025 | Solar |
| Pavant Solar, LLC | Onward Energy | Fillmore, UT | PacifiCorp East (PACE) | 114.3 GWh | Nov 2015 | Dec 2025 | Solar |
| Three Peaks Power | Onward Energy | Cedar City, UT | PacifiCorp East (PACE) | 225.8 GWh | Nov 2016 | Dec 2025 | Solar |
| Comanche Solar | Onward Energy | Pueblo, CO | Public Service Company of Colorado (PSCO) | 227.7 GWh | Aug 2016 | Dec 2025 | Solar |
| Imperial Valley Solar Co (IVSC) 2, LLC | Onward Energy | Niland, CA | Imperial Irrigation District (IID) | 46.2 GWh | May 2015 | Dec 2024 | Solar |
| Cottonwood Solar, LLC Cottonwood Carport | Onward Energy | Novato, CA | California Independent System Operator (CISO) | 1.8 GWh | Apr 2016 | Dec 2024 | Solar |
| CoTAL Solar Farm | Onward Energy | Tallahassee, FL | City of Tallahassee (TAL) | 32.4 GWh | Nov 2017 | Dec 2024 | Solar |
| Sumrall II Solar Farm | Onward Energy | Sumrall, MS | Midcontinent Independent System Operator, Inc. (MISO) | 110.4 GWh | Nov 2017 | Dec 2025 | Solar |
| Richland Solar Center | Onward Energy | Jeffersonville, GA | Southeastern Power Administration (SEPA) | 41.3 GWh | Nov 2015 | Dec 2024 | Solar |
| South Plains II | Onward Energy | Lockney, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.0 TWh | May 2016 | Dec 2025 | Wind |
| Sunflower Wind Project | Onward Energy | Mandan, ND | Western Area Power Administration - Rocky Mountain Region (WACM) | 431.6 GWh | Nov 2016 | Dec 2025 | Wind |
| Maricopa West Solar PV, LLC | Onward Energy | Taft, CA | California Independent System Operator (CISO) | 47.6 GWh | Nov 2015 | Dec 2024 | Solar |
| Sweetwater Solar | Onward Energy | Green River, WY | PacifiCorp East (PACE) | 173.3 GWh | Nov 2018 | Dec 2025 | Solar |
| RE Maplewood | Onward Energy | McCamey, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 526.4 GWh | Mar 2021 | Dec 2025 | Solar |
| Oakfield Wind Project | Onward Energy | City of Oakfield, ME | ISO New England (ISNE) | 350.6 GWh | Sep 2015 | Dec 2025 | Wind |
| Twiggs Solar | Onward Energy | Dry Branch, GA | Southern Company Services, Inc. - Trans (SOCO) | 366.5 GWh | Aug 2020 | Dec 2025 | Solar |
| Palouse | Onward Energy | Oakesdale, WA | Avista Corporation (AVA) | 325.9 GWh | Nov 2012 | Dec 2024 | Wind |
| Bingham Wind | Onward Energy | Bingham, ME | ISO New England (ISNE) | 498.8 GWh | Nov 2016 | Dec 2025 | Wind |
| Corvias - Fort Riley II | Onyx Asset Services Group | Fort Riley, KS | Southwest Power Pool (SWPP) | 2.3 GWh | Jan 2022 | Dec 2024 | Solar |
| APG Old Bayside | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Sep 2018 | Dec 2024 | Solar |
| APG New Chesapeake | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Sep 2018 | Dec 2024 | Solar |
| Duanesburg | Onyx Asset Services Group | Duanesburg, NY | New York Independent System Operator (NYIS) | 3.3 GWh | Mar 2018 | Dec 2024 | Solar |
| Winchendon Landfill Solar | Onyx Asset Services Group | Winchendon, MA | ISO New England (ISNE) | 2.8 GWh | Sep 2018 | Dec 2024 | Solar |
| Manchester Community College East | Onyx Asset Services Group | Manchester, CT | ISO New England (ISNE) | 1.5 GWh | Sep 2018 | Dec 2024 | Solar |
| Johnstown | Onyx Asset Services Group | Johnstown, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Mar 2018 | Dec 2024 | Solar |
| Manchester Community College North | Onyx Asset Services Group | Great Path, CT | ISO New England (ISNE) | 1.5 GWh | Sep 2018 | Dec 2024 | Solar |
| Broadalbin | Onyx Asset Services Group | Broadalbin, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Mar 2018 | Dec 2024 | Solar |
| Onyx - Saratoga Springs Landfill Solar C | Onyx Asset Services Group | Saratoga Springs, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Oct 2017 | Dec 2024 | Solar |
| Sharon Springs | Onyx Asset Services Group | Sharon Springs, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Apr 2018 | Dec 2024 | Solar |
| SeaWorld Aquatica | Onyx Asset Services Group | Chula Vista, CA | California Independent System Operator (CISO) | 1.9 GWh | Apr 2018 | Dec 2024 | Solar |
| Middle Daisy | Onyx Asset Services Group | Lovington, NM | Southwest Power Pool (SWPP) | 13.3 GWh | Oct 2017 | Dec 2024 | Solar |
| Onyx - Pembroke Landfill Solar | Onyx Asset Services Group | Pembroke, MA | ISO New England (ISNE) | 3.3 GWh | Nov 2017 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on December 2025 generation numbers.| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,766.12 GWh |
| Alaska | # 48 | 139 | 625.46 GWh |
| Arizona | # 16 | 183 | 8,962.31 GWh |
| Arkansas | # 29 | 114 | 5,525.50 GWh |
| California | # 5 | 1,683 | 14,393.99 GWh |
| Colorado | # 31 | 297 | 4,649.38 GWh |
| Connecticut | # 34 | 162 | 4,087.83 GWh |
| Delaware | # 49 | 33 | 469.96 GWh |
| District of Columbia | # 51 | 16 | 14.80 GWh |
| Florida | # 3 | 333 | 19,379.32 GWh |
| Georgia | # 8 | 248 | 12,492.24 GWh |
| Hawaii | # 46 | 70 | 814.97 GWh |
| Idaho | # 41 | 146 | 2,123.12 GWh |
| Illinois | # 4 | 379 | 17,546.79 GWh |
| Indiana | # 13 | 214 | 9,789.95 GWh |
| Iowa | # 20 | 293 | 7,310.28 GWh |
| Kansas | # 28 | 183 | 5,586.75 GWh |
| Kentucky | # 22 | 60 | 6,716.43 GWh |
| Louisiana | # 17 | 84 | 8,587.03 GWh |
| Maine | # 45 | 215 | 1,484.81 GWh |
| Maryland | # 37 | 203 | 3,225.85 GWh |
| Massachusetts | # 43 | 640 | 2,073.13 GWh |
| Michigan | # 11 | 269 | 11,734.82 GWh |
| Minnesota | # 27 | 764 | 5,712.30 GWh |
| Mississippi | # 24 | 56 | 6,090.79 GWh |
| Missouri | # 23 | 125 | 6,623.76 GWh |
| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,639.28 GWh |
| Nebraska | # 36 | 125 | 3,667.32 GWh |
| Nevada | # 38 | 114 | 3,217.22 GWh |
| New Hampshire | # 44 | 56 | 1,878.83 GWh |
| New Jersey | # 30 | 387 | 5,182.27 GWh |
| New Mexico | # 35 | 142 | 3,818.41 GWh |
| New York | # 10 | 950 | 11,800.05 GWh |
| North Carolina | # 9 | 904 | 12,153.04 GWh |
| North Dakota | # 33 | 58 | 4,218.72 GWh |
| Ohio | # 6 | 198 | 13,425.53 GWh |
| Oklahoma | # 18 | 141 | 7,637.23 GWh |
| Oregon | # 21 | 272 | 6,788.64 GWh |
| Pennsylvania | # 2 | 252 | 22,539.49 GWh |
| Rhode Island | # 47 | 100 | 775.70 GWh |
| South Carolina | # 15 | 207 | 8,967.44 GWh |
| South Dakota | # 42 | 52 | 2,122.20 GWh |
| Tennessee | # 19 | 88 | 7,328.17 GWh |
| Texas | # 1 | 947 | 46,150.81 GWh |
| Utah | # 39 | 125 | 2,845.12 GWh |
| Vermont | # 50 | 116 | 189.85 GWh |
| Virginia | # 14 | 237 | 9,421.16 GWh |
| Washington | # 12 | 135 | 10,635.09 GWh |
| West Virginia | # 26 | 39 | 5,763.55 GWh |
| Wisconsin | # 25 | 243 | 5,804.32 GWh |
| Wyoming | # 32 | 70 | 4,436.68 GWh |