Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Steamboat Hills LP | Ormat Nevada Inc | Reno, NV | Nevada Power Company (NEVP) | 231.7 GWh | Jan 1988 | Dec 2024 | Geothermal |
| Ormesa II | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 131.7 GWh | Apr 1989 | Dec 2024 | Geothermal |
| Ormesa I | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 70.2 GWh | Nov 1986 | Dec 2024 | Geothermal |
| Desert Peak Power Plant | Ormat Nevada Inc | Fernley, NV | Nevada Power Company (NEVP) | 72.7 GWh | May 2006 | Dec 2024 | Geothermal |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 103.1 GWh | Nov 1990 | Dec 2024 | Geothermal |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 59.6 GWh | Nov 1984 | Dec 2024 | Geothermal |
| Ormesa III | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 44.4 GWh | Apr 1989 | Dec 2024 | Geothermal |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 82.3 GWh | Nov 1990 | Dec 2024 | Geothermal |
| Beowawe | Ormat Nevada Inc | Beowawe, NV | Nevada Power Company (NEVP) | 107.2 GWh | Nov 1985 | Dec 2024 | Geothermal |
| OREG 3 Inc | Ormat Nevada Inc | Trimont, MN | Midcontinent Independent System Operator, Inc. (MISO) | 42.5 GWh | Jul 2010 | Oct 2025 | Waste Heat |
| Jersey Valley Geothermal Power Plant | Ormat Nevada Inc | Imlay, NV | Nevada Power Company (NEVP) | 60.9 GWh | Nov 2010 | Dec 2024 | Geothermal |
| McGinness Hills | Ormat Nevada Inc | Austin, NV | Nevada Power Company (NEVP) | 602.8 GWh | Apr 2012 | Dec 2024 | Geothermal |
| Tuscarora Geothermal Power Plant | Ormat Nevada Inc | Tuscarora, NV | Nevada Power Company (NEVP) | 124.4 GWh | Dec 2011 | Dec 2024 | Geothermal |
| Cove Fort | Ormat Cove Fort LLC | Cove Fort, UT | PacifiCorp East (PACE) | 120.8 GWh | Nov 2013 | Dec 2024 | Geothermal |
| Stanton Energy Center | Orlando Utilities Comm | Orlando, FL | Florida Municipal Power Pool (FMPP) | 5.4 TWh | Jun 1987 | Oct 2025 | Bituminous Coal : 53.2% Natural Gas : 46.2% Landfill Gas : 0.5% |
| Indian River Plant | Orlando Utilities Comm | Titusville, FL | Florida Municipal Power Pool (FMPP) | 5.7 GWh | Jun 1989 | Dec 2024 | Natural Gas : 97.2% Distillate Fuel Oil : 2.8% |
| Osceola Generating Station (FL) | Orlando Utilities Comm | St. Cloud, FL | Duke Energy Florida, Inc. (FPC) | 623.0 MWh | Nov 2001 | Dec 2024 | Natural Gas : 87.4% Distillate Fuel Oil : 12.6% |
| Orion Solar II | Orion Solar II, LLC | Arvin, CA | California Independent System Operator (CISO) | 19.0 GWh | May 2014 | Dec 2024 | Solar |
| Orion Solar I | Orion Solar I LLC | Arvin, CA | California Independent System Operator (CISO) | 28.3 GWh | Mar 2014 | Dec 2024 | Solar |
| 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% |
| Camp Grove Wind Farm | Orion Energy Group LLC | Wyoming, IL | PJM Interconnection, LLC (PJM) | 406.4 GWh | Nov 2007 | Dec 2024 | Wind |
| 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 |
| Orion Community Solar | Orion Community Solar | St. Joseph, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Dec 2016 | Dec 2024 | Solar |
| Escalante (NM) | Origis Energy USA, Inc | Grants, NM | Public Service Company of New Mexico (PNM) | 527.1 GWh | May 2024 | Oct 2025 | Solar |
| Rice Creek | Origis Energy USA, Inc | Putnam, FL | Florida Power & Light Co. (FPL) | 135.0 GWh | Nov 2024 | Oct 2025 | Solar |
| Golden Triangle II | Origis Energy USA, Inc | St.Artesia, MS | Tennessee Valley Authority (TVA) | 316.4 GWh | Apr 2024 | Oct 2025 | Solar |
| Golden Triangle | Origis Energy USA, Inc | Lowndes, MS | Tennessee Valley Authority (TVA) | 362.2 GWh | - | Oct 2025 | Solar |
| Wing | Origis Energy USA, Inc | Wing, AL | Southern Company Services, Inc. - Trans (SOCO) | 166.1 GWh | Mar 2023 | Oct 2025 | Solar |
| Swift Air Solar I | Origis Energy USA, Inc | Goldsmith, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 261.5 GWh | - | Oct 2025 | Solar |
| MA Solar Storage 1 Hybrid | Origis Energy USA, Inc | Sterling, MA | ISO New England (ISNE) | 1.1 GWh | Feb 2018 | Dec 2024 | Solar |
| Oriana Solar LLC | Oriana Solar LLC | Victoria, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 73.1 GWh | - | Oct 2025 | Solar |
| OES Biogas Power | Organic Energy Solutions, Inc. | San Bernardino, CA | California Independent System Operator (CISO) | 4.9 GWh | - | Dec 2024 | Other Biomass Gas |
| Oregon State University Energy Center | Oregon State University | Corvallis, OR | Bonneville Power Administration (BPAT) | 33.2 GWh | May 2010 | Oct 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 Clean Energy Center | Oregon Clean Energy Center | Oregon, OH | PJM Interconnection, LLC (PJM) | 5.7 TWh | Jun 2017 | Oct 2025 | Natural Gas |
| 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 |
| Orchard Ranch Solar | Orchard Ranch Solar, LLC | Orchard, ID | Idaho Power Company (IPCO) | 45.2 GWh | Feb 2017 | Oct 2025 | Solar |
| Heber Geothermal | ORCAL Geothermal, Inc | Heber, CA | Imperial Irrigation District (IID) | 384.9 GWh | May 1985 | Dec 2024 | Geothermal |
| Second Imperial Geothermal | ORCAL Geothermal, Inc | Heber, CA | Imperial Irrigation District (IID) | 302.3 GWh | May 1993 | Dec 2024 | Geothermal |
| Orange Grove Peaking Facility | Orange Grove Energy LP | Pala, CA | California Independent System Operator (CISO) | 23.6 GWh | May 2010 | Dec 2024 | Natural Gas |
| Orange Grove | Orange Grove | Jim Wells, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 138.1 GWh | - | Oct 2025 | Solar |
| Kings River Syphon | Orange Cove Irrigation District | Sanger, CA | California Independent System Operator (CISO) | 325.0 MWh | Aug 1990 | May 2024 | Water |
| 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 : 73.7% Natural Gas : 26.0% |
| OR Solar 2, LLC | OR Solar 2, LLC | Eagle Point, OR | PacifiCorp West (PACW) | 12.7 GWh | Sep 2020 | Dec 2024 | Solar |
| Optimum Wind 7 LLC | Optimum Wind 7 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 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 5 LLC | Optimum Wind 5 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 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 3 LLC | Optimum Wind 3 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.4 GWh | Feb 2017 | Dec 2024 | Wind |
| Progress Solar 1, LLC | Oppidum Renewables USA, LLC | Bunn, NC | Duke Energy Progress East (CPLE) | 3.7 GWh | Sep 2012 | Dec 2024 | Solar |
| 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 |
| Montgomery Solar LLC | Oppidum Renewables USA, LLC | Biscoe, NC | Duke Energy Carolinas (DUK) | 34.4 GWh | Nov 2015 | 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 |
| Chocowinity Solar LLC | Oppidum Renewables USA, LLC | Chocowinity, NC | Duke Energy Carolinas (DUK) | 6.6 GWh | Nov 2014 | Dec 2024 | Solar |
| Cirrus Solar LLC | Oppidum Renewables USA, LLC | Bunn, NC | Duke Energy Carolinas (DUK) | 6.4 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 |
| Progress Solar III, LLC | Oppidum Renewables USA, LLC | Maxton, NC | Duke Energy Progress East (CPLE) | 5.8 GWh | Oct 2012 | Dec 2024 | Solar |
| Rockwell Solar LLC | Oppidum Renewables USA, LLC | Rockwell, NC | Duke Energy Carolinas (DUK) | 4.5 GWh | Nov 2014 | Dec 2024 | Solar |
| Tolson Solar | Oppidum Renewables USA, LLC | Tarboro, NC | PJM Interconnection, LLC (PJM) | 4.1 GWh | Nov 2015 | Dec 2024 | Solar |
| Wadesboro Solar | Oppidum Renewables USA, LLC | Wadesboro, NC | Duke Energy Progress East (CPLE) | 8.9 GWh | Nov 2017 | Dec 2024 | Solar |
| Bedford Solar (Oppidum) | 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 |
| Salisbury Solar | Oppidum Renewables USA, LLC | Salisbury, NC | Duke Energy Carolinas (DUK) | 7.6 GWh | Jul 2018 | Dec 2024 | Solar |
| Yadkinville Solar | Oppidum Renewables USA, LLC | Yadkinville, NC | Duke Energy Carolinas (DUK) | 4.5 GWh | Nov 2015 | Dec 2024 | Solar |
| Battleboro Farm | Oppidum Renewables USA, LLC | South Whitakers, NC | PJM Interconnection, LLC (PJM) | 8.0 GWh | Nov 2015 | 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 |
| Whitegrass No. 1 | Open Mountain Energy LLC. | Yerington, NV | Nevada Power Company (NEVP) | 17.7 GWh | Sep 2018 | Dec 2024 | Geothermal |
| Jersey City DWP | Onyx Asset Services Group | Jersey City, NJ | PJM Interconnection, LLC (PJM) | 1.2 GWh | Nov 2019 | Dec 2024 | Solar |
| Pima Community College NW | Onyx Asset Services Group | Tucson, AZ | Tucson Electric Power (TEPC) | 3.0 GWh | Mar 2019 | Dec 2024 | Solar |
| Onyx - Allen Harim | Onyx Asset Services Group | Harbeson, DE | PJM Interconnection, LLC (PJM) | 1.9 GWh | Mar 2017 | Dec 2024 | 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 |
| Corvias - Fort Riley II | Onyx Asset Services Group | Fort Riley, KS | Southwest Power Pool (SWPP) | 2.3 GWh | Jan 2022 | Dec 2024 | Solar |
| Paso Robles - Municipal Airport | Onyx Asset Services Group | Paso Robles, CA | California Independent System Operator (CISO) | 6.0 GWh | Dec 2023 | Dec 2024 | Solar |
| Ellington - 277 Sadds Mill | Onyx Asset Services Group | Ellington, CT | ISO New England (ISNE) | 2.8 GWh | Feb 2024 | 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 |
| APG Old Bayside | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 3.0 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 - Pembroke Landfill Solar | Onyx Asset Services Group | Pembroke, MA | ISO New England (ISNE) | 3.3 GWh | Nov 2017 | 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 |
| Duanesburg | Onyx Asset Services Group | Duanesburg, NY | New York Independent System Operator (NYIS) | 3.3 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 |
| Middle Daisy | Onyx Asset Services Group | Lovington, NM | Southwest Power Pool (SWPP) | 13.3 GWh | Oct 2017 | Dec 2024 | Solar |
| Winchendon Landfill Solar | Onyx Asset Services Group | Winchendon, MA | ISO New England (ISNE) | 2.8 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 |
| Onyx - Brockton Thatcher Landfill Solar | Onyx Asset Services Group | Brockton, MA | ISO New England (ISNE) | 5.1 GWh | Oct 2017 | 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 |
| Manchester Community College East | Onyx Asset Services Group | Manchester, CT | ISO New England (ISNE) | 1.5 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 |
| Sharon Springs | Onyx Asset Services Group | Sharon Springs, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Apr 2018 | 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 |
| Amsterdam South | Onyx Asset Services Group | Amsterdam, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Mar 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 |
| Twiggs Solar | Onward Energy | Dry Branch, GA | Southern Company Services, Inc. - Trans (SOCO) | 363.7 GWh | Aug 2020 | Oct 2025 | Solar |
| Sweetwater Solar | Onward Energy | Green River, WY | PacifiCorp East (PACE) | 173.3 GWh | Nov 2018 | Oct 2025 | Solar |
Summary of Power Plants By State
Figures are based on October 2025 generation numbers.| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,041.22 GWh |
| Alaska | # 49 | 144 | 484.88 GWh |
| Arizona | # 11 | 184 | 9,400.73 GWh |
| Arkansas | # 24 | 116 | 5,068.08 GWh |
| California | # 4 | 1,734 | 16,078.58 GWh |
| Colorado | # 30 | 302 | 4,272.03 GWh |
| Connecticut | # 38 | 166 | 3,176.41 GWh |
| Delaware | # 48 | 33 | 521.87 GWh |
| District of Columbia | # 51 | 16 | 15.93 GWh |
| Florida | # 2 | 321 | 22,593.36 GWh |
| Georgia | # 6 | 262 | 11,885.65 GWh |
| Hawaii | # 47 | 73 | 845.96 GWh |
| Idaho | # 44 | 147 | 1,448.54 GWh |
| Illinois | # 5 | 382 | 15,897.55 GWh |
| Indiana | # 12 | 211 | 9,138.69 GWh |
| Iowa | # 18 | 292 | 6,552.01 GWh |
| Kansas | # 31 | 187 | 4,138.18 GWh |
| Kentucky | # 23 | 60 | 5,089.89 GWh |
| Louisiana | # 14 | 86 | 8,618.27 GWh |
| Maine | # 45 | 215 | 1,114.12 GWh |
| Maryland | # 35 | 203 | 3,540.16 GWh |
| Massachusetts | # 41 | 648 | 1,963.73 GWh |
| Michigan | # 9 | 272 | 10,045.59 GWh |
| Minnesota | # 27 | 765 | 4,687.69 GWh |
| Mississippi | # 20 | 57 | 6,085.50 GWh |
| Missouri | # 21 | 127 | 5,515.65 GWh |
| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,455.83 GWh |
| Nebraska | # 36 | 129 | 3,412.31 GWh |
| Nevada | # 33 | 114 | 3,578.95 GWh |
| New Hampshire | # 43 | 60 | 1,661.03 GWh |
| New Jersey | # 25 | 393 | 4,903.52 GWh |
| New Mexico | # 37 | 143 | 3,370.59 GWh |
| New York | # 8 | 956 | 10,108.60 GWh |
| North Carolina | # 13 | 906 | 9,082.37 GWh |
| North Dakota | # 34 | 60 | 3,554.85 GWh |
| Ohio | # 10 | 197 | 9,920.42 GWh |
| Oklahoma | # 17 | 142 | 7,167.46 GWh |
| Oregon | # 26 | 275 | 4,755.34 GWh |
| Pennsylvania | # 3 | 256 | 16,669.60 GWh |
| Rhode Island | # 46 | 100 | 886.30 GWh |
| South Carolina | # 15 | 208 | 8,061.53 GWh |
| South Dakota | # 42 | 52 | 1,892.35 GWh |
| Tennessee | # 22 | 88 | 5,198.50 GWh |
| Texas | # 1 | 947 | 48,837.92 GWh |
| Utah | # 39 | 125 | 3,044.05 GWh |
| Vermont | # 50 | 117 | 151.45 GWh |
| Virginia | # 19 | 239 | 6,515.03 GWh |
| Washington | # 16 | 137 | 7,971.98 GWh |
| West Virginia | # 29 | 39 | 4,608.16 GWh |
| Wisconsin | # 28 | 250 | 4,687.23 GWh |
| Wyoming | # 32 | 70 | 3,770.47 GWh |