Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| RE Maplewood | Onward Energy | McCamey, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 515.8 GWh | Mar 2021 | May 2025 | Solar |
| Sweetwater Solar | Onward Energy | Green River, WY | PacifiCorp East (PACE) | 179.1 GWh | Nov 2018 | May 2025 | Solar |
| Richland Solar Center | Onward Energy | Jeffersonville, GA | Southeastern Power Administration (SEPA) | 41.3 GWh | Nov 2015 | Dec 2024 | Solar |
| Indy Solar II, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 14.6 GWh | Nov 2013 | May 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 |
| CID Solar, LLC | Onward Energy | Corcoran, CA | California Independent System Operator (CISO) | 45.0 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Columbia Two, LLC | Onward Energy | Mojave, CA | California Independent System Operator (CISO) | 40.4 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 |
| Comanche Solar | Onward Energy | Pueblo, CO | Public Service Company of Colorado (PSCO) | 229.9 GWh | Aug 2016 | May 2025 | Solar |
| Cottonwood Solar, LLC (City of Corcoran) | Onward Energy | Corcoran, CA | California Independent System Operator (CISO) | 22.9 GWh | Apr 2015 | 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 |
| Pavant Solar, LLC | Onward Energy | Fillmore, UT | PacifiCorp East (PACE) | 113.7 GWh | Nov 2015 | May 2025 | Solar |
| Route 66 Wind Plant | Onward Energy | Panhandle, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 608.2 GWh | Jul 2015 | Dec 2024 | Wind |
| Cottonwood Solar, LLC Cottonwood Carport | Onward Energy | Novato, CA | California Independent System Operator (CISO) | 1.8 GWh | Apr 2016 | Dec 2024 | Solar |
| Selmer Farm LLC | Onward Energy | Selmer, TN | Tennessee Valley Authority (TVA) | 24.7 GWh | Sep 2014 | May 2025 | Solar |
| Hancock Wind Plant | Onward Energy | T22 MD, ME | ISO New England (ISNE) | 118.5 GWh | Nov 2016 | May 2025 | Wind |
| TA-Acacia, LLC | Onward Energy | Lancaster, CA | California Independent System Operator (CISO) | 52.0 GWh | Oct 2014 | Dec 2024 | Solar |
| Catalina Solar 2, LLC | Onward Energy | Rosamond, CA | California Independent System Operator (CISO) | 52.8 GWh | Jul 2015 | Dec 2024 | Solar |
| Maricopa West Solar PV, LLC | Onward Energy | Taft, CA | California Independent System Operator (CISO) | 47.6 GWh | Nov 2015 | Dec 2024 | Solar |
| Alamo Solar | Onward Energy | Oro Grande, CA | California Independent System Operator (CISO) | 47.7 GWh | Apr 2015 | Dec 2024 | Solar |
| Somers Solar Center, LLC | Onward Energy | Somers, CT | ISO New England (ISNE) | 7.9 GWh | Nov 2013 | Dec 2023 | Solar |
| RE Camelot LLC | Onward Energy | Mojave, CA | California Independent System Operator (CISO) | 125.1 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Adams East, LLC | Onward Energy | Fresno, CA | California Independent System Operator (CISO) | 39.3 GWh | Nov 2014 | 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 Old River One, LLC | Onward Energy | Bakersfield, CA | California Independent System Operator (CISO) | 35.6 GWh | Nov 2014 | Dec 2024 | Solar |
| Mulberry Farm LLC | Onward Energy | Selmer, TN | Tennessee Valley Authority (TVA) | 24.3 GWh | Nov 2014 | May 2025 | Solar |
| Indy Solar III, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 13.5 GWh | Nov 2013 | May 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) | 488.5 GWh | Nov 2016 | May 2025 | Wind |
| Indy Solar I, LLC | Onward Energy | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 15.3 GWh | Nov 2013 | May 2025 | Solar |
| Azalea Solar, LLC | Onward Energy | Davisboro, GA | Southern Company Services, Inc. - Trans (SOCO) | 12.1 GWh | Nov 2013 | Dec 2024 | Solar |
| Jersey City DWP | Onyx Asset Services Group | Jersey City, NJ | PJM Interconnection, LLC (PJM) | 1.2 GWh | Nov 2019 | Dec 2023 | Solar |
| APG Old Bayside | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Sep 2018 | Dec 2023 | Solar |
| APG New Chesapeake | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 4.0 GWh | Sep 2018 | Dec 2023 | Solar |
| Manchester Community College North | Onyx Asset Services Group | Great Path, CT | ISO New England (ISNE) | 1.5 GWh | Sep 2018 | Dec 2023 | Solar |
| Manchester Community College East | Onyx Asset Services Group | Manchester, CT | ISO New England (ISNE) | 1.4 GWh | Sep 2018 | Dec 2023 | Solar |
| Pima Community College NW | Onyx Asset Services Group | Tucson, AZ | Tucson Electric Power (TEPC) | 3.1 GWh | Mar 2019 | Dec 2023 | Solar |
| Corvias - Fort Riley II | Onyx Asset Services Group | Fort Riley, KS | Southwest Power Pool (SWPP) | 2.3 GWh | Jan 2022 | Dec 2024 | Solar |
| Onyx - Allen Harim | Onyx Asset Services Group | Harbeson, DE | PJM Interconnection, LLC (PJM) | 1.8 GWh | Mar 2017 | Dec 2023 | Solar |
| Onyx - Lamphear Road CSG | Onyx Asset Services Group | Rome, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Sep 2016 | Dec 2024 | Solar |
| North Troy | Onyx Asset Services Group | Troy, NY | New York Independent System Operator (NYIS) | 507.0 MWh | Sep 2024 | Dec 2024 | Solar |
| Amsterdam North | Onyx Asset Services Group | Amsterdam, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Mar 2018 | Dec 2024 | Solar |
| SeaWorld Aquatica | Onyx Asset Services Group | Chula Vista, CA | California Independent System Operator (CISO) | 1.9 GWh | Apr 2018 | Dec 2023 | Solar |
| Broadalbin | Onyx Asset Services Group | Broadalbin, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Mar 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 |
| Johnstown | Onyx Asset Services Group | Johnstown, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Mar 2018 | 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 |
| Amsterdam South | Onyx Asset Services Group | Amsterdam, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Mar 2018 | Dec 2024 | Solar |
| Barrett Farm Solar - Phase I | Onyx Asset Services Group | Thompson, CT | ISO New England (ISNE) | 2.7 GWh | Sep 2017 | Dec 2024 | Solar |
| Middle Daisy | Onyx Asset Services Group | Lovington, NM | Southwest Power Pool (SWPP) | 7.3 GWh | Oct 2017 | Dec 2023 | Solar |
| Winchendon Landfill Solar | Onyx Asset Services Group | Winchendon, MA | ISO New England (ISNE) | 2.8 GWh | Sep 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 |
| Onyx - Brockton Thatcher Landfill Solar | Onyx Asset Services Group | Brockton, MA | ISO New England (ISNE) | 4.3 GWh | Oct 2017 | Dec 2023 | Solar |
| Onyx - Pembroke Landfill Solar | Onyx Asset Services Group | Pembroke, MA | ISO New England (ISNE) | 3.3 GWh | Nov 2017 | Dec 2024 | Solar |
| Whitegrass No. 1 | Open Mountain Energy LLC. | Yerington, NV | Nevada Power Company (NEVP) | 17.7 GWh | Sep 2018 | Dec 2024 | Geothermal |
| Sandy Cross Solar, LLC | Oppidum Renewables USA, LLC | Elm City, NC | Duke Energy Progress East (CPLE) | 1.3 GWh | Apr 2012 | Dec 2024 | Solar |
| Ararat Rock Solar, LLC | Oppidum Renewables USA, LLC | Mount Airy, NC | Duke Energy Carolinas (DUK) | 5.2 GWh | Aug 2012 | Dec 2024 | Solar |
| Progress Solar 1, LLC | Oppidum Renewables USA, LLC | Bunn, NC | Duke Energy Progress East (CPLE) | 3.7 GWh | Sep 2012 | Dec 2024 | Solar |
| Progress Solar III, LLC | Oppidum Renewables USA, LLC | Maxton, NC | Duke Energy Progress East (CPLE) | 5.8 GWh | Oct 2012 | Dec 2024 | Solar |
| Progress Solar II, LLC | Oppidum Renewables USA, LLC | Fairmont, NC | Duke Energy Progress East (CPLE) | 5.2 GWh | Oct 2012 | Dec 2024 | Solar |
| Mayberry Solar LLC | Oppidum Renewables USA, LLC | Mt. Airy, NC | Duke Energy Carolinas (DUK) | 1.4 GWh | Sep 2011 | Dec 2024 | Solar |
| Yadkinville Solar | Oppidum Renewables USA, LLC | Yadkinville, NC | Duke Energy Carolinas (DUK) | 4.5 GWh | Nov 2015 | Dec 2024 | Solar |
| Bedford Solar | Oppidum Renewables USA, LLC | Bedford, VA | PJM Interconnection, LLC (PJM) | 4.6 GWh | Nov 2017 | Dec 2024 | Solar |
| Gamble Solar | Oppidum Renewables USA, LLC | Bostic, NC | Duke Energy Carolinas (DUK) | 5.8 GWh | Nov 2019 | Dec 2024 | Solar |
| Battleboro Farm | Oppidum Renewables USA, LLC | South Whitakers, NC | PJM Interconnection, LLC (PJM) | 8.0 GWh | Nov 2015 | Dec 2024 | Solar |
| Salisbury Solar | Oppidum Renewables USA, LLC | Salisbury, NC | Duke Energy Carolinas (DUK) | 7.6 GWh | Jul 2018 | Dec 2024 | Solar |
| Wadesboro Solar | Oppidum Renewables USA, LLC | Wadesboro, NC | Duke Energy Progress East (CPLE) | 8.9 GWh | Nov 2017 | Dec 2024 | Solar |
| Tolson Solar | Oppidum Renewables USA, LLC | Tarboro, NC | PJM Interconnection, LLC (PJM) | 4.1 GWh | Nov 2015 | Dec 2024 | Solar |
| Montgomery Solar LLC | Oppidum Renewables USA, LLC | Biscoe, NC | Duke Energy Carolinas (DUK) | 34.4 GWh | Nov 2015 | Dec 2024 | Solar |
| Rockwell Solar LLC | Oppidum Renewables USA, LLC | Rockwell, NC | Duke Energy Carolinas (DUK) | 4.5 GWh | Nov 2014 | Dec 2024 | Solar |
| Gates Solar LLC | Oppidum Renewables USA, LLC | Eure, NC | PJM Interconnection, LLC (PJM) | 7.6 GWh | Nov 2015 | Dec 2024 | Solar |
| Cirrus Solar LLC | Oppidum Renewables USA, LLC | Bunn, NC | Duke Energy Carolinas (DUK) | 6.4 GWh | Nov 2014 | Dec 2024 | Solar |
| Chocowinity Solar LLC | Oppidum Renewables USA, LLC | Chocowinity, NC | Duke Energy Carolinas (DUK) | 6.6 GWh | Nov 2014 | Dec 2024 | Solar |
| Optimum Wind 3 LLC | Optimum Wind 3 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.4 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 4 LLC | Optimum Wind 4 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.5 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 5 LLC | Optimum Wind 5 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 6 LLC | Optimum Wind 6 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.7 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 7 LLC | Optimum Wind 7 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 GWh | Feb 2017 | Dec 2024 | Wind |
| OR Solar 2, LLC | OR Solar 2, LLC | Eagle Point, OR | PacifiCorp West (PACW) | 12.7 GWh | Sep 2020 | Dec 2024 | Solar |
| Plant No 1 Orange County | Orange County Sanitation Dist | Fountain Valley, CA | California Independent System Operator (CISO) | 40.3 GWh | May 1993 | Dec 2024 | Other Biomass Gas : 80.1% Natural Gas : 19.9% |
| Plant No 2 Orange County | Orange County Sanitation Dist | Huntington Beach, CA | California Independent System Operator (CISO) | 59.3 GWh | May 1993 | Dec 2024 | Other Biomass Gas : 73.9% Natural Gas : 26.1% |
| Kings River Syphon | Orange Cove Irrigation District | Sanger, CA | California Independent System Operator (CISO) | 325.0 MWh | Aug 1990 | May 2024 | Water |
| Orange Grove Peaking Facility | Orange Grove Energy LP | Pala, CA | California Independent System Operator (CISO) | 23.6 GWh | May 2010 | Dec 2024 | Natural Gas |
| Second Imperial Geothermal | ORCAL Geothermal, Inc | Heber, CA | Imperial Irrigation District (IID) | 302.3 GWh | May 1993 | Dec 2024 | Geothermal |
| Heber Geothermal | ORCAL Geothermal, Inc | Heber, CA | Imperial Irrigation District (IID) | 384.9 GWh | May 1985 | Dec 2024 | Geothermal |
| Orchard Ranch Solar | Orchard Ranch Solar, LLC | Orchard, ID | Idaho Power Company (IPCO) | 43.7 GWh | Feb 2017 | May 2025 | Solar |
| Orchard Windfarm 1, LLC | Orchard Windfarm, LLC | Lexington, OR | PacifiCorp West (PACW) | 29.9 GWh | Nov 2020 | Dec 2024 | Wind |
| Orchard Windfarm 3, LLC | Orchard Windfarm, LLC | Lexington, OR | Bonneville Power Administration (BPAT) | 27.9 GWh | Nov 2020 | Dec 2024 | Wind |
| Orchard Windfarm 2, LLC | Orchard Windfarm, LLC | Lexington, OR | Bonneville Power Administration (BPAT) | 29.8 GWh | Nov 2020 | Dec 2024 | Wind |
| Orchard Windfarm 4, LLC | Orchard Windfarm, LLC | Lexington, OR | PacifiCorp West (PACW) | 29.7 GWh | Nov 2020 | Dec 2024 | Wind |
| Oregon Clean Energy Center | Oregon Clean Energy Center | Oregon, OH | PJM Interconnection, LLC (PJM) | 5.9 TWh | Jun 2017 | May 2025 | Natural Gas |
| Dry Creek LFG to Energy Project | Oregon Environmental Industries LLC | Eagle Point, OR | PacifiCorp West (PACW) | 19.0 GWh | Jun 2007 | Dec 2024 | Landfill Gas |
| Oregon State University Energy Center | Oregon State University | Corvallis, OR | Bonneville Power Administration (BPAT) | 46.5 GWh | May 2010 | May 2025 | Natural Gas |
| OES Biogas Power | Organic Energy Solutions, Inc. | San Bernardino, CA | California Independent System Operator (CISO) | 4.9 GWh | - | Dec 2024 | Other Biomass Gas |
| MA Solar Storage 1 Hybrid | Origis Energy USA, Inc | Sterling, MA | ISO New England (ISNE) | 1.3 GWh | Feb 2018 | Dec 2023 | Solar |
| Orion Community Solar | Orion Community Solar | St. Joseph, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Dec 2016 | Dec 2024 | Solar |
| Benton County Wind Farm | Orion Energy Group LLC | Earl Park, IN | Midcontinent Independent System Operator, Inc. (MISO) | 357.6 GWh | Apr 2008 | Dec 2024 | Wind |
| Camp Grove Wind Farm | Orion Energy Group LLC | Wyoming, IL | PJM Interconnection, LLC (PJM) | 406.4 GWh | Nov 2007 | Dec 2024 | Wind |
| Ivanhoe Generation Facility | Orion Engineered Carbons | Franklin, LA | Midcontinent Independent System Operator, Inc. (MISO) | 53.2 GWh | Mar 2023 | Dec 2024 | Waste Heat |
| Engineered Carbons Borger Cogen | Orion Engineered Carbons | Borger, TX | Southwest Power Pool (SWPP) | 80.2 GWh | Sep 1982 | Dec 2024 | Other Gas : 99.5% |
Summary of Power Plants By State
Figures are based on May 2025 generation numbers.| State | Rank | Active Plants | May 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 11,300.49 GWh |
| Alaska | # 48 | 142 | 475.90 GWh |
| Arizona | # 11 | 176 | 9,204.37 GWh |
| Arkansas | # 25 | 99 | 5,005.01 GWh |
| California | # 4 | 1,667 | 17,300.59 GWh |
| Colorado | # 28 | 290 | 4,508.30 GWh |
| Connecticut | # 38 | 162 | 2,580.83 GWh |
| Delaware | # 50 | 32 | 189.30 GWh |
| District of Columbia | # 51 | 16 | 14.93 GWh |
| Florida | # 2 | 317 | 24,888.07 GWh |
| Georgia | # 6 | 248 | 11,990.59 GWh |
| Hawaii | # 47 | 68 | 737.15 GWh |
| Idaho | # 42 | 145 | 1,633.17 GWh |
| Illinois | # 5 | 358 | 14,860.85 GWh |
| Indiana | # 17 | 210 | 7,386.37 GWh |
| Iowa | # 22 | 294 | 5,142.65 GWh |
| Kansas | # 24 | 181 | 5,016.68 GWh |
| Kentucky | # 21 | 58 | 5,314.31 GWh |
| Louisiana | # 14 | 83 | 8,104.32 GWh |
| Maine | # 45 | 208 | 1,219.14 GWh |
| Maryland | # 33 | 198 | 3,211.24 GWh |
| Massachusetts | # 43 | 624 | 1,590.93 GWh |
| Michigan | # 12 | 269 | 9,081.28 GWh |
| Minnesota | # 29 | 765 | 4,142.68 GWh |
| Mississippi | # 20 | 56 | 5,397.23 GWh |
| Missouri | # 23 | 121 | 5,122.89 GWh |
| State | Rank | Active Plants | May 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 1,958.99 GWh |
| Nebraska | # 37 | 127 | 2,880.69 GWh |
| Nevada | # 30 | 110 | 4,010.09 GWh |
| New Hampshire | # 44 | 56 | 1,548.73 GWh |
| New Jersey | # 31 | 385 | 3,877.07 GWh |
| New Mexico | # 32 | 139 | 3,225.41 GWh |
| New York | # 10 | 929 | 10,057.90 GWh |
| North Carolina | # 9 | 909 | 10,631.50 GWh |
| North Dakota | # 35 | 57 | 3,062.36 GWh |
| Ohio | # 8 | 197 | 11,259.64 GWh |
| Oklahoma | # 18 | 139 | 6,659.06 GWh |
| Oregon | # 27 | 272 | 4,712.75 GWh |
| Pennsylvania | # 3 | 255 | 19,165.18 GWh |
| Rhode Island | # 46 | 97 | 795.05 GWh |
| South Carolina | # 13 | 200 | 8,379.29 GWh |
| South Dakota | # 41 | 52 | 1,667.11 GWh |
| Tennessee | # 19 | 86 | 5,858.87 GWh |
| Texas | # 1 | 890 | 49,337.47 GWh |
| Utah | # 39 | 122 | 2,500.89 GWh |
| Vermont | # 49 | 117 | 233.21 GWh |
| Virginia | # 16 | 233 | 7,447.37 GWh |
| Washington | # 15 | 134 | 7,969.22 GWh |
| West Virginia | # 34 | 39 | 3,129.59 GWh |
| Wisconsin | # 26 | 244 | 4,882.66 GWh |
| Wyoming | # 36 | 73 | 3,035.08 GWh |