Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Cottonwood Solar, LLC (City of Corcoran) | Onward Energy | Corcoran, CA | California Independent System Operator (CISO) | 20.6 GWh | Apr 2015 | Dec 2025 | Solar |
| Mulberry Farm LLC | Onward Energy | Selmer, TN | Tennessee Valley Authority (TVA) | 24.7 GWh | Nov 2014 | Aug 2026 | Solar |
| RE Camelot LLC | Onward Energy | Mojave, CA | California Independent System Operator (CISO) | 121.0 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Adams East, LLC | Onward Energy | Fresno, CA | California Independent System Operator (CISO) | 40.7 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Kansas Solar, LLC | Onward Energy | Lemoore, CA | California Independent System Operator (CISO) | 24.0 GWh | Nov 2014 | Dec 2025 | Solar |
| Maricopa West Solar PV, LLC | Onward Energy | Taft, CA | California Independent System Operator (CISO) | 50.3 GWh | Nov 2015 | Dec 2025 | Solar |
| Indy Solar I, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 15.2 GWh | Nov 2013 | Aug 2026 | Solar |
| Hancock Wind Plant | Onward Energy | T22 MD, ME | ISO New England (ISNE) | 115.5 GWh | Nov 2016 | Aug 2026 | Wind |
| Selmer Farm LLC | Onward Energy | Selmer, TN | Tennessee Valley Authority (TVA) | 25.3 GWh | Sep 2014 | Aug 2026 | Solar |
| Cottonwood Solar, LLC (Goose Lake) | Onward Energy | Lost Hills, CA | California Independent System Operator (CISO) | 29.9 GWh | Apr 2015 | Dec 2025 | Solar |
| CID Solar, LLC | Onward Energy | Corcoran, CA | California Independent System Operator (CISO) | 40.7 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Old River One, LLC | Onward Energy | Bakersfield, CA | California Independent System Operator (CISO) | 37.5 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Columbia Two, LLC | Onward Energy | Mojave, CA | California Independent System Operator (CISO) | 41.5 GWh | Nov 2014 | Dec 2025 | Solar |
| Alamo Solar | Onward Energy | Oro Grande, CA | California Independent System Operator (CISO) | 49.3 GWh | Apr 2015 | Dec 2025 | Solar |
| RE Kent South, LLC | Onward Energy | Lemoore, CA | California Independent System Operator (CISO) | 35.7 GWh | Nov 2014 | Dec 2025 | Solar |
| Route 66 Wind Plant | Onward Energy | Panhandle, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 552.5 GWh | Jul 2015 | Dec 2025 | Wind |
| Catalina Solar 2, LLC | Onward Energy | Rosamond, CA | California Independent System Operator (CISO) | 55.4 GWh | Jul 2015 | Dec 2025 | Solar |
| Indy Solar II, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 15.1 GWh | Nov 2013 | Aug 2026 | Solar |
| Somers Solar Center, LLC | Onward Energy | Somers, CT | ISO New England (ISNE) | 8.9 GWh | Nov 2013 | Dec 2025 | Solar |
| Indy Solar III, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 13.3 GWh | Nov 2013 | Aug 2026 | Solar |
| Oakfield Wind Project | Onward Energy | City of Oakfield, ME | ISO New England (ISNE) | 328.7 GWh | Sep 2015 | Aug 2026 | Wind |
| Palouse | Onward Energy | Oakesdale, WA | Avista Corporation (AVA) | 303.4 GWh | Nov 2012 | Dec 2025 | Wind |
| Bingham Wind | Onward Energy | Bingham, ME | ISO New England (ISNE) | 483.7 GWh | Nov 2016 | Aug 2026 | Wind |
| Azalea Solar, LLC | Onward Energy | Davisboro, GA | Southern Company Services, Inc. - Trans (SOCO) | 12.2 GWh | Nov 2013 | Dec 2025 | Solar |
| Ontelaunee Energy Center | Ontelaunee Energy Center | Reading, PA | PJM Interconnection, LLC (PJM) | 3.7 TWh | Apr 2002 | Aug 2026 | Natural Gas |
| Pine Hill | Onsite Partners, LLC | Johnston, RI | ISO New England (ISNE) | 8.0 GWh | Jul 2020 | Dec 2025 | Solar |
| Galesburg Solar Array | Onsite Partners, LLC | Oquawka, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Feb 2020 | Dec 2025 | Solar |
| Shelby Solar Array | Onsite Partners, LLC | Shelby, OH | PJM Interconnection, LLC (PJM) | 2.9 GWh | Nov 2019 | Aug 2026 | Solar |
| Porter Way Community Solar Garden | Onsite Partners, LLC | Waconia, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | Jan 2018 | Aug 2026 | Solar |
| Camden CSD Solar Array | Onsite Partners, LLC | Camden, NY | New York Independent System Operator (NYIS) | 1.9 GWh | Nov 2017 | Dec 2025 | Solar |
| Sherburne Community Solar | Onsite Partners, LLC | Clear Lake, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.7 GWh | Feb 2018 | Aug 2026 | Solar |
| North Smithfield Solar Power 1 | Onsite Partners, LLC | North Smithfield, RI | ISO New England (ISNE) | 2.1 GWh | Nov 2018 | Dec 2025 | Solar |
| Cold River Road Solar | Onsite Partners, LLC | North Clarendon, VT | ISO New England (ISNE) | 3.2 GWh | Nov 2016 | Dec 2025 | Solar |
| Letchworth Solar Project | Onsite Partners, LLC | Gainesville, NY | New York Independent System Operator (NYIS) | 1.6 GWh | May 2017 | Dec 2025 | Solar |
| AEP Jacksonville Solar Project | Onsite Partners, LLC | Duval, FL | JEA (JEA) | 13.6 GWh | Apr 2017 | Dec 2025 | Solar |
| Madison County | Onsite Partners, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Jul 2017 | Dec 2025 | Solar |
| Quincy II Solar Garden | Onsite Partners, LLC | Aurora, CO | Public Service Company of Colorado (PSCO) | 3.6 GWh | Apr 2018 | Dec 2025 | Solar |
| Imboden Solar Garden | Onsite Partners, LLC | Watkins, CO | Public Service Company of Colorado (PSCO) | 6.8 GWh | Apr 2018 | Dec 2025 | Solar |
| Vilas Solar Array | Onsite Partners, LLC | Springfield, CO | Public Service Company of Colorado (PSCO) | 3.6 GWh | Nov 2017 | Dec 2025 | Solar |
| Denison Solar Array | Onsite Partners, LLC | Granville, OH | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2017 | Aug 2026 | Solar |
| San Luis Valley Solar Array | Onsite Partners, LLC | Center, CO | Public Service Company of Colorado (PSCO) | 5.1 GWh | Oct 2017 | Dec 2025 | Solar |
| Ohio Northern University Solar Site | Onsite Partners, LLC | Ada, OH | PJM Interconnection, LLC (PJM) | 3.7 GWh | Nov 2016 | Aug 2026 | Solar |
| Trinity College Fuel Cell | Onsite Partners, LLC | Hartford, CT | ISO New England (ISNE) | 11.1 GWh | Jul 2018 | Dec 2025 | Natural Gas |
| Canandaigua Solar Array | Onsite Partners, LLC | Canandaigua, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Nov 2016 | Dec 2025 | Solar |
| Canandaigua Westbrook Solar Array | Onsite Partners, LLC | Canandaigua, NY | New York Independent System Operator (NYIS) | 1.8 GWh | Feb 2017 | Dec 2025 | Solar |
| Clyde Solar Array | Onsite Partners, LLC | Clyde, OH | PJM Interconnection, LLC (PJM) | 3.1 GWh | May 2016 | Aug 2026 | Solar |
| Lady Slipper Solar Array CSG | Onsite Partners, LLC | Red Wing, MN | Midcontinent Independent System Operator, Inc. (MISO) | 7.0 GWh | Sep 2019 | Dec 2025 | Solar |
| Trout Creek Solar | Onsite Partners, LLC | Buena Vista, CO | Public Service Company of Colorado (PSCO) | 4.3 GWh | Dec 2018 | Dec 2025 | Solar |
| Bloomfield Municipal Utilities Solar | Onsite Partners, LLC | Bloomfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Mar 2019 | Dec 2025 | Solar |
| Garnet Solar (NY) | Onsite Partners, LLC | Johnsburg, NY | New York Independent System Operator (NYIS) | 2.7 GWh | May 2018 | Dec 2025 | Solar |
| Martinsville BESS | Onsite Partners, LLC | Martinsville, VA | PJM Interconnection, LLC (PJM) | 937.0 MWh | Mar 2022 | Dec 2025 | Electricity used for energy storage |
| Rice Lake II | Onsite Partners, LLC | Rice Lake, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Aug 2024 | Dec 2025 | Solar |
| Spooner Solar Array | Onsite Partners, LLC | Spooner, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | May 2019 | Dec 2025 | Solar |
| Bloom-Altice Fuel Cell | Onsite Partners, LLC | Bethpage,, NY | New York Independent System Operator (NYIS) | 16.5 GWh | Sep 2020 | Dec 2025 | Natural Gas |
| LabCorp Engine | Onsite Partners, LLC | Raritan, NJ | PJM Interconnection, LLC (PJM) | 225.0 MWh | Nov 2019 | Dec 2025 | Natural Gas |
| Barron Solar Array | Onsite Partners, LLC | Barron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Jul 2021 | Dec 2025 | Solar |
| Rice Lake Solar Array | Onsite Partners, LLC | Rice Lake, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.0 GWh | May 2019 | Dec 2025 | Solar |
| Clyde Peaking Engine | Onsite Partners, LLC | Clyde, OH | PJM Interconnection, LLC (PJM) | 841.0 MWh | Oct 2020 | Dec 2025 | Natural Gas |
| PNA Rossford Solar Array | Onsite Partners, LLC | Rossford, OH | PJM Interconnection, LLC (PJM) | 2.3 GWh | Jun 2022 | Dec 2025 | Solar |
| Brainerd Airport | Onsite Partners, LLC | Brainerd, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 GWh | Nov 2022 | Dec 2024 | Solar |
| GIUD Solar I | Onsite Partners, LLC | Grand Island, NE | Southwest Power Pool (SWPP) | 1.9 GWh | Sep 2018 | Dec 2025 | Solar |
| Oneta Energy Center | Oneta Power LLC | Broken Arrow, OK | Southwest Power Pool (SWPP) | 4.3 TWh | Jun 2002 | Aug 2026 | Natural Gas |
| Grand Meadow (PV) | OneEnergy, Inc. | Grand Meadow, MN | Midcontinent Independent System Operator, Inc. (MISO) | 425.0 MWh | Oct 2025 | Dec 2025 | Solar |
| Bancroft (MN) | OneEnergy, Inc. | Albert Lea, MN | Midcontinent Independent System Operator, Inc. (MISO) | 589.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Viola | OneEnergy, Inc. | Webster, WI | Midcontinent Independent System Operator, Inc. (MISO) | 65.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Next Generation | OneEnergy, Inc. | Woodville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 331.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Bridge Creek | OneEnergy, Inc. | Augusta, WI | Midcontinent Independent System Operator, Inc. (MISO) | 258.0 MWh | Oct 2025 | Dec 2025 | Solar |
| Luck | OneEnergy, Inc. | Luck, WI | Midcontinent Independent System Operator, Inc. (MISO) | 85.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Bright Future | OneEnergy, Inc. | Hammond, WI | Midcontinent Independent System Operator, Inc. (MISO) | 361.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Douglas (IA) | OneEnergy, Inc. | Riceville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 804.0 MWh | Aug 2025 | Dec 2025 | Solar |
| Elk Mound (PV) | OneEnergy, Inc. | Elk Mound, WI | Midcontinent Independent System Operator, Inc. (MISO) | 653.0 MWh | Aug 2025 | Dec 2025 | Solar |
| Little Cedar | OneEnergy, Inc. | Little Cedar, IA | Midcontinent Independent System Operator, Inc. (MISO) | 65.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Hannibal | OneEnergy, Inc. | Gillman, WI | Midcontinent Independent System Operator, Inc. (MISO) | 378.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Greenfield | OneEnergy, Inc. | Coon Valley, WI | Midcontinent Independent System Operator, Inc. (MISO) | 200.0 MWh | Oct 2025 | Dec 2025 | Solar |
| One Ten Partners PV | One Ten Partners, LLC | Palmdale, CA | California Independent System Operator (CISO) | 5.5 GWh | Aug 2017 | Dec 2025 | Solar |
| Pleasants Power Station | Omnis Pleasants, LLC | Willow Island, WV | PJM Interconnection, LLC (PJM) | 1.4 TWh | Mar 1979 | Aug 2026 | Bituminous Coal : 97.3% Natural Gas : 2.7% |
| Nebraska City | Omaha Public Power District | Nebraska City, NE | Southwest Power Pool (SWPP) | 7.7 TWh | Mar 1979 | Aug 2026 | Subbituminous Coal : 99.6% |
| Cass County | Omaha Public Power District | Plattsmouth, NE | Southwest Power Pool (SWPP) | 154.7 GWh | Apr 2003 | Dec 2025 | Natural Gas |
| Elk City Station | Omaha Public Power District | Bennington, NE | Southwest Power Pool (SWPP) | 39.2 GWh | Mar 2002 | Oct 2025 | Landfill Gas |
| Jones Street | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 9.9 GWh | May 1973 | Dec 2025 | Distillate Fuel Oil |
| North Omaha | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 1.6 TWh | Jun 1954 | Aug 2026 | Subbituminous Coal : 89.6% Natural Gas : 10.4% |
| Sarpy County | Omaha Public Power District | Bellevue, NE | Southwest Power Pool (SWPP) | 179.3 GWh | May 1972 | Dec 2025 | Natural Gas : 95.0% Distillate Fuel Oil : 5.0% |
| Standing Bear Lake | Omaha Public Power District | Omaha, NE | Southwest Power Pool (SWPP) | 38.8 GWh | Oct 2025 | Dec 2025 | Natural Gas : 69.2% Distillate Fuel Oil : 30.8% |
| Turtle Creek | Omaha Public Power District | Springfield, NE | Southwest Power Pool (SWPP) | 559.1 GWh | May 2025 | Aug 2026 | Natural Gas : 98.8% Distillate Fuel Oil : 1.2% |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 15.3 GWh | Dec 1989 | Dec 2025 | Water |
| Agnews Power Plant | OLS Energy-Agnews Inc. | San Jose, CA | California Independent System Operator (CISO) | 8.6 GWh | Oct 1990 | Dec 2025 | Natural Gas |
| Olney Solar II CSG | Olney Solar II, LLC | Olney, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | May 2021 | Dec 2025 | Solar |
| Olmsted Waste Energy | Olmsted County Public Works - (MN) | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 47.5 GWh | Mar 1987 | Dec 2025 | Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.8% Natural Gas : 0.5% |
| Olmstead II CSG | Olmstead Solar II, LLC | Lena, IL | PJM Interconnection, LLC (PJM) | 4.5 GWh | Aug 2021 | Dec 2025 | Solar |
| Oliver Wind IV | Oliver Wind IV, LLC | Hannover, ND | Southwest Power Pool (SWPP) | 819.2 GWh | Nov 2024 | Aug 2026 | Wind |
| Oliver Wind III, LLC | Oliver Wind III, LLC | Mandan, ND | Midcontinent Independent System Operator, Inc. (MISO) | 383.2 GWh | Dec 2016 | Aug 2026 | Wind |
| Olinda Trail Solar | Olinda Trail Solar LLC | Lindstrom, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Aug 2019 | Dec 2025 | Solar |
| Freeport Energy | Olin Blue Cube Operations | Freeport, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.9 TWh | Mar 1978 | Aug 2026 | Natural Gas |
| Oleander Power Project LP | Oleander Holdings LLC | Cocoa, FL | Florida Power & Light Co. (FPL) | 579.6 GWh | May 2002 | Dec 2025 | Natural Gas : 99.8% |
| Old Trail Wind Farm | Old Trail Wind Farm LLC | Ellsworth, IL | PJM Interconnection, LLC (PJM) | 569.1 GWh | Nov 2007 | Aug 2026 | Wind |
| Old Settler Wind | Old Settler Wind, LLC | Floydada, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 585.1 GWh | Mar 2017 | Aug 2026 | Wind |
| Old Mill Solar | Old Mill Solar | Bly, OR | PacifiCorp West (PACW) | 7.2 GWh | Nov 2015 | Dec 2025 | Solar |
| Old Hayneville Solar, LLC | Old Hayneville Solar, LLC | Montgomery, AL | Southern Company Services, Inc. - Trans (SOCO) | 7.6 GWh | - | Aug 2026 | Solar |
| Old Gold Energy Center, LLC | Old Gold Energy Center, LLC | Joice, IA | Midcontinent Independent System Operator, Inc. (MISO) | 57.1 GWh | Sep 2001 | Dec 2025 | Wind |
| Old Frontier Solar III | Old Frontier Solar III PV, LLC | South Deerfield, MA | ISO New England (ISNE) | 3.8 GWh | Aug 2022 | Dec 2025 | Solar |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |