Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Ormesa III | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 44.4 GWh | Apr 1989 | Dec 2024 | Geothermal |
| OREG 3 Inc | Ormat Nevada Inc | Trimont, MN | Midcontinent Independent System Operator, Inc. (MISO) | 44.0 GWh | Jul 2010 | Feb 2026 | Waste Heat |
| Tuscarora Geothermal Power Plant | Ormat Nevada Inc | Tuscarora, NV | Nevada Power Company (NEVP) | 124.4 GWh | Dec 2011 | Dec 2024 | Geothermal |
| McGinness Hills | Ormat Nevada Inc | Austin, NV | Nevada Power Company (NEVP) | 602.8 GWh | Apr 2012 | Dec 2024 | Geothermal |
| Jersey Valley Geothermal Power Plant | Ormat Nevada Inc | Imlay, NV | Nevada Power Company (NEVP) | 60.9 GWh | Nov 2010 | Dec 2024 | Geothermal |
| OREG 1 Inc | Ormat Nevada Inc | Culbertson, MT | Southwest Power Pool (SWPP) | 130.7 GWh | Jun 2006 | Feb 2026 | Waste Heat |
| Richard Burdette Geothermal | Ormat Nevada Inc | Reno, NV | Nevada Power Company (NEVP) | 97.6 GWh | Oct 2005 | Dec 2024 | Geothermal |
| OREG 2 Inc | Ormat Nevada Inc | Culbertson, MT | Southwest Power Pool (SWPP) | 128.1 GWh | Nov 2008 | Feb 2026 | Waste Heat |
| Brady | Ormat Nevada Inc | Fallon, NV | Nevada Power Company (NEVP) | 88.7 GWh | May 1992 | Dec 2024 | Geothermal |
| OREG 4 Peetz | Ormat Nevada Inc | Peetz, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 3.2 GWh | Feb 2009 | May 2024 | Waste Heat |
| Galena 3 Geothermal Power Plant | Ormat Nevada Inc | Reno, NV | Nevada Power Company (NEVP) | 82.6 GWh | Jan 2008 | Dec 2024 | Geothermal |
| North Brawley Geothermal Plant | Ormat Nevada Inc | Brawley, CA | Imperial Irrigation District (IID) | 16.9 GWh | Sep 2009 | Dec 2024 | Geothermal |
| Galena 2 Geothermal Power Plant | Ormat Nevada Inc | Reno, NV | Nevada Power Company (NEVP) | 36.7 GWh | Mar 2007 | Dec 2024 | Geothermal |
| McGinness Hills 3 | Ormat Nevada Inc | Austin, NV | Nevada Power Company (NEVP) | 437.6 GWh | Nov 2018 | Feb 2026 | Geothermal |
| Steamboat Hills LP | Ormat Nevada Inc | Reno, NV | Nevada Power Company (NEVP) | 231.7 GWh | Jan 1988 | Dec 2024 | Geothermal |
| Dixie Valley | Ormat Nevada Inc | Fallon, NV | California Independent System Operator (CISO) | 455.7 GWh | May 1988 | Feb 2026 | 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 |
| Salt Wells | Ormat Salt Wells LLC | Fallon, NV | Nevada Power Company (NEVP) | 70.0 GWh | Feb 2009 | Dec 2024 | Geothermal |
| Stillwater Facility | Ormat Stillwater LLC | Fallon, NV | Nevada Power Company (NEVP) | 128.3 GWh | Feb 2009 | Dec 2024 | Geothermal : 70.5% Solar : 29.5% |
| Stillwater Solar PV II | Ormat Stillwater Solar PV II, LLC | Fallon, NV | Nevada Power Company (NEVP) | 24.3 GWh | May 2018 | Dec 2024 | Solar |
| Ormond Beach | Ormond Beach Power, LLC | Oxnard, CA | California Independent System Operator (CISO) | 43.1 GWh | Jul 1971 | Aug 2025 | Natural Gas |
| Arrowleaf Solar and Storage | ORNI 30 LLC | Brawley, CA | Imperial Irrigation District (IID) | 11.0 GWh | - | Feb 2026 | Solar |
| Don A Campbell 2 Geothermal | ORNI 37 LLC | Luning, NV | Nevada Power Company (NEVP) | 93.5 GWh | Aug 2015 | Dec 2024 | Geothermal |
| Don A Campbell 1 Geothermal | ORNI 47, LLC | Gabbs, NV | Nevada Power Company (NEVP) | 110.0 GWh | Dec 2013 | Dec 2024 | Geothermal |
| Western Trail Wind, LLC | Orsted Onshore North America | Electra, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.1 TWh | Mar 2022 | Feb 2026 | Wind |
| South Fork Wind | Orsted Wind Power North America LLC | East Hampton, NY | New York Independent System Operator (NYIS) | 522.3 GWh | Jun 2024 | Feb 2026 | Wind |
| Osborn Wind Energy | Osborn Wind Energy LLC | Stewartsville, MO | Southwest Power Pool (SWPP) | 671.3 GWh | Nov 2016 | Feb 2026 | Wind |
| Osceola Windpower II | Osceola Windpower II | Harris, IA | Midcontinent Independent System Operator, Inc. (MISO) | 193.4 GWh | Aug 2008 | Feb 2026 | Wind |
| Osceola Windpower LLC | Osceola Windpower LLC | Harris, IA | Southwest Power Pool (SWPP) | 383.7 GWh | Jun 2008 | Feb 2026 | Wind |
| OSLH, LLC | OSLH, LLC | Bend, OR | PacifiCorp West (PACW) | 22.2 GWh | Nov 2016 | Dec 2024 | Solar |
| High Dam | Oswego City of | Oswego, NY | New York Independent System Operator (NYIS) | 25.6 GWh | Jul 1928 | Dec 2024 | Water |
| Oswego County Energy Recovery | Oswego County | Fulton, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Jan 1986 | Dec 2024 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Oswego Harbor Power | Oswego Harbor Power | Oswego, NY | New York Independent System Operator (NYIS) | 130.8 GWh | May 1975 | Feb 2026 | Residual Fuel Oil : 98.0% Natural Gas : 2.0% |
| Otay Mesa Generating Project | Otay Mesa Energy Center LLC | San Diego, CA | California Independent System Operator (CISO) | 1.4 TWh | Sep 2009 | Feb 2026 | Natural Gas |
| Otis Elevator Company Solar | Otis Elevator Company | Florence, SC | Duke Energy Carolinas (DUK) | 1.5 GWh | Apr 2018 | Dec 2024 | Solar |
| Otsego Mill Power Plant | Otsego Paper Inc | Otsego, MI | Midcontinent Independent System Operator, Inc. (MISO) | 165.5 GWh | Oct 1995 | Dec 2024 | Natural Gas |
| Otter Creek Ethanol Poet - Ashton | Otter Creek Ethanol LLC - Poet Ashton | Ashton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 44.8 GWh | Feb 2004 | Feb 2026 | Natural Gas |
| Gardner - Otter River Road | Otter River Road Solar LLC | Gardner, MA | ISO New England (ISNE) | 4.2 GWh | Sep 2019 | Dec 2024 | Solar |
| Ashtabula Wind III LLC | Otter Tail Power Co | Luverne, ND | Midcontinent Independent System Operator, Inc. (MISO) | 142.6 GWh | Nov 2010 | Dec 2024 | Wind |
| Coyote | Otter Tail Power Co | Beulah, ND | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 TWh | Apr 1981 | Feb 2026 | Lignite Coal : 99.8% |
| Solway CT | Otter Tail Power Co | Solway, MN | Midcontinent Independent System Operator, Inc. (MISO) | 124.7 GWh | Apr 2003 | Dec 2024 | Natural Gas |
| Merricourt Wind Energy Center | Otter Tail Power Co | Kulm, ND | Midcontinent Independent System Operator, Inc. (MISO) | 555.1 GWh | Nov 2020 | Feb 2026 | Wind |
| Langdon Wind Energy Center | Otter Tail Power Co | Langdon, ND | Midcontinent Independent System Operator, Inc. (MISO) | 94.9 GWh | Nov 2007 | Dec 2024 | Wind |
| Ashtabula Wind Energy Center | Otter Tail Power Co | Luverne, ND | Midcontinent Independent System Operator, Inc. (MISO) | 116.1 GWh | Sep 2008 | Dec 2024 | Wind |
| Luverne Wind Energy Center | Otter Tail Power Co | Luverne, ND | Midcontinent Independent System Operator, Inc. (MISO) | 110.1 GWh | Aug 2009 | Dec 2024 | Wind |
| Lake Preston | Otter Tail Power Co | Lake Preston, SD | Midcontinent Independent System Operator, Inc. (MISO) | 86.0 MWh | May 1978 | Dec 2024 | Distillate Fuel Oil |
| Jamestown | Otter Tail Power Co | Jamestown, ND | Midcontinent Independent System Operator, Inc. (MISO) | 194.0 MWh | Apr 1976 | Dec 2024 | Distillate Fuel Oil |
| Big Stone | Otter Tail Power Co | Big Stone City, SD | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 TWh | Apr 1975 | Feb 2026 | Subbituminous Coal : 99.8% |
| Hoot Lake Solar | Otter Tail Power Co | Fergus Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 74.6 GWh | Jul 2023 | Feb 2026 | Solar |
| Hoot Lake | Otter Tail Power Co | Fergus Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Aug 1914 | Dec 2024 | Water |
| Astoria Station | Otter Tail Power Co | Astoria, SD | Midcontinent Independent System Operator, Inc. (MISO) | 477.9 GWh | Mar 2021 | Feb 2026 | Natural Gas |
| Ottumwa City of | Ottumwa City of | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | Jul 1931 | Apr 2024 | Water |
| Outback Solar At Christmas Valley | Outback Solar, LLC | Christmas Valley, OR | Bonneville Power Administration (BPAT) | 6.6 GWh | Sep 2012 | Dec 2024 | Solar |
| ME - EDFR - Phase I - Bristol | Overlook Solar Partners, LLC | Bristol, ME | ISO New England (ISNE) | 5.8 GWh | Nov 2023 | Nov 2024 | Solar |
| Overman Solar | Overman Solar, LLC | Goldsboro, NC | Duke Energy Progress East (CPLE) | 10.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Owen Solar | Owen Solar LLC | Lincolnton, NC | Duke Energy Carolinas (DUK) | 8.0 GWh | Mar 2016 | Dec 2024 | Solar |
| Owlville Creek Solar 2, LLC | Owlville Creek Solar 2, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 7.8 GWh | Nov 2020 | Dec 2024 | Solar |
| Owlville Creek Solar, LLC | Owlville Creek Solar, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Nov 2020 | Dec 2024 | Solar |
| Tunnel 1 Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 22.4 GWh | May 1993 | Oct 2024 | Water |
| Owyhee Dam Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 27.6 GWh | Jul 1985 | Oct 2024 | Water |
| Michell Butte Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 5.3 GWh | Apr 1989 | Oct 2024 | Water |
| Oxbow Creek | Oxbow Creek Energy LLC | Factoryville, PA | PJM Interconnection, LLC (PJM) | 41.0 GWh | Nov 2019 | Dec 2024 | Natural Gas |
| Oxnard Wastewater Treatment Plant | Oxnard City of | Oxnard, CA | California Independent System Operator (CISO) | 3.5 GWh | Jul 1981 | Feb 2026 | Other Biomass Gas : 96.1% Natural Gas : 3.9% |
| Oxon Run CREF | Oxon Run Community Renewable Energy Facility | Washington, DC | PJM Interconnection, LLC (PJM) | 1.5 GWh | Nov 2021 | Dec 2024 | Solar |
| Oxy Renewable Energy - Goldsmith | Oxy Renewable Energy LLC | Goldsmith, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 40.5 GWh | Apr 2020 | Dec 2024 | Solar |
| Houston Chemical Complex Battleground | Oxy Vinyls LP | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.8 TWh | Apr 1982 | Feb 2026 | Natural Gas : 99.5% Other Gas : 0.5% |
| Moore Road Community Solar | OYA 2643 Moore Road LLC | Ransomville, NY | New York Independent System Operator (NYIS) | 6.3 GWh | Nov 2019 | Dec 2024 | Solar |
| Blanchard Road 2 Community Solar | OYA Blanchard Road 2 LLC | Clayton, NY | New York Independent System Operator (NYIS) | 8.3 GWh | Nov 2019 | Dec 2024 | Solar |
| Blanchard Road 1 Community Solar | OYA Blanchard Road LLC | Clayton, NY | New York Independent System Operator (NYIS) | 7.1 GWh | Nov 2019 | Dec 2024 | Solar |
| OYA Church Road | OYA Church Road A LLC | Baldwinsville, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Nov 2022 | Dec 2024 | Solar |
| Great Lakes Seaway Community Solar | OYA Great Lakes Seaway LLC | Clayton, NY | New York Independent System Operator (NYIS) | 7.9 GWh | Nov 2019 | Dec 2024 | Solar |
| OYA Main Street | OYA Main Street LLC | York, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Nov 2022 | Dec 2024 | Solar |
| NYS Rte 12 Community Solar | OYA NYS Rte 12 LLC | Clayton, NY | New York Independent System Operator (NYIS) | 6.8 GWh | Nov 2019 | Dec 2024 | Solar |
| OYA Pulaski | OYA Pulaski LLC | Pulaski, NY | New York Independent System Operator (NYIS) | 5.8 GWh | Oct 2022 | Dec 2024 | Solar |
| OYA Robinson Road | OYA Robinson Road, LLC | Orleans, NY | New York Independent System Operator (NYIS) | 9.7 GWh | May 2022 | Dec 2024 | Solar |
| OYA State Route 122 | OYA State Route 122, LLC | Constable, NY | New York Independent System Operator (NYIS) | 6.9 GWh | Nov 2021 | Dec 2024 | Solar |
| OYA Wayside Drive | OYA Wayside Drive LLC | Watertown, NY | New York Independent System Operator (NYIS) | 8.0 GWh | Sep 2022 | Dec 2024 | Solar |
| White River Lock and Dam 3 | Ozark Hydro Management, LLC | Marcella, AR | Southwestern Power Administration (SPA) | 20.2 GWh | Jul 2006 | Feb 2026 | Water |
| White River Lock and Dam 2 | Ozark Hydro Management, LLC | Locust Grove, AR | Southwestern Power Administration (SPA) | 12.1 GWh | Feb 2007 | Feb 2026 | Water |
| White River Lock and Dam 1 | Ozark Hydro Management, LLC | Batesville, AR | Southwestern Power Administration (SPA) | 12.1 GWh | May 2007 | Feb 2026 | Water |
| Ozarks Natural Energy Community Solar | Ozarks Electric Coop Corp - (AR) | Springdale, AR | Southwest Power Pool (SWPP) | 935.0 MWh | Mar 2016 | Dec 2024 | Solar |
| P66 Rodeo Solar | P66 Rodeo Solar | Rodeo, CA | California Independent System Operator (CISO) | 47.5 GWh | Mar 2023 | Feb 2026 | Solar |
| Waipio Peninsula | Pacific Energy Solutions, LLC | Waipio, HI | (HECO) | 17.5 GWh | Sep 2015 | Dec 2024 | Solar |
| James B Black | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 604.5 GWh | Nov 1965 | Feb 2026 | Water |
| Kings River PH | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 106.9 GWh | Feb 1962 | Dec 2024 | Water |
| Spaulding 3 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 15.6 GWh | Jan 1929 | Dec 2024 | Water |
| Haas | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 183.4 GWh | Nov 1958 | Jan 2026 | Water |
| Electra | Pacific Gas & Electric Co. | Jackson, CA | California Independent System Operator (CISO) | 310.6 GWh | May 1948 | Feb 2026 | Water |
| Stanislaus | Pacific Gas & Electric Co. | Vallecito, CA | California Independent System Operator (CISO) | 315.8 GWh | Feb 1963 | Oct 2024 | Water |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | California Independent System Operator (CISO) | 29.8 GWh | Aug 1921 | Nov 2024 | Water |
| Pit 3 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 332.8 GWh | Jun 1925 | Dec 2024 | Water |
| Tiger Creek | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 225.1 GWh | May 1931 | Dec 2024 | Water |
| Halsey | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 7.6 GWh | Nov 1916 | Oct 2024 | Water |
| Belden | Pacific Gas & Electric Co. | Belden, CA | California Independent System Operator (CISO) | 347.3 GWh | Aug 1969 | Feb 2026 | Water |
| Balch 2 | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 443.4 GWh | Oct 1958 | Dec 2024 | Water |
| Balch 1 | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 138.8 GWh | Jan 1927 | Dec 2024 | Water |
| Newcastle | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 7.5 GWh | Nov 1986 | Dec 2024 | Water |
| Alta Powerhouse | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 1.4 GWh | Oct 1902 | Dec 2024 | Water |
| A G Wishon | Pacific Gas & Electric Co. | North Fork, CA | California Independent System Operator (CISO) | 21.6 GWh | Aug 1910 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on February 2026 generation numbers.| State | Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 77 | 10,522.92 GWh |
| Alaska | # 48 | 139 | 547.09 GWh |
| Arizona | # 16 | 184 | 7,875.02 GWh |
| Arkansas | # 25 | 114 | 5,134.19 GWh |
| California | # 5 | 1,677 | 13,090.02 GWh |
| Colorado | # 31 | 294 | 4,129.24 GWh |
| Connecticut | # 32 | 162 | 3,713.11 GWh |
| Delaware | # 49 | 33 | 489.00 GWh |
| District of Columbia | # 51 | 16 | 15.28 GWh |
| Florida | # 3 | 334 | 18,619.02 GWh |
| Georgia | # 8 | 248 | 10,834.93 GWh |
| Hawaii | # 47 | 70 | 669.33 GWh |
| Idaho | # 41 | 145 | 1,901.37 GWh |
| Illinois | # 4 | 380 | 14,875.53 GWh |
| Indiana | # 12 | 216 | 9,790.54 GWh |
| Iowa | # 19 | 290 | 6,378.25 GWh |
| Kansas | # 29 | 183 | 4,702.54 GWh |
| Kentucky | # 22 | 60 | 6,056.73 GWh |
| Louisiana | # 17 | 86 | 7,844.56 GWh |
| Maine | # 45 | 215 | 1,304.77 GWh |
| Maryland | # 38 | 203 | 3,022.33 GWh |
| Massachusetts | # 43 | 638 | 1,703.92 GWh |
| Michigan | # 11 | 268 | 9,944.77 GWh |
| Minnesota | # 28 | 763 | 4,707.75 GWh |
| Mississippi | # 23 | 56 | 5,592.62 GWh |
| Missouri | # 24 | 127 | 5,447.62 GWh |
| State | Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,424.51 GWh |
| Nebraska | # 35 | 124 | 3,248.85 GWh |
| Nevada | # 39 | 114 | 3,017.15 GWh |
| New Hampshire | # 44 | 56 | 1,533.32 GWh |
| New Jersey | # 27 | 386 | 5,076.17 GWh |
| New Mexico | # 37 | 143 | 3,060.89 GWh |
| New York | # 9 | 949 | 10,653.43 GWh |
| North Carolina | # 7 | 903 | 11,173.71 GWh |
| North Dakota | # 33 | 59 | 3,698.46 GWh |
| Ohio | # 6 | 200 | 13,061.62 GWh |
| Oklahoma | # 18 | 141 | 6,415.64 GWh |
| Oregon | # 21 | 270 | 6,135.97 GWh |
| Pennsylvania | # 2 | 251 | 20,963.61 GWh |
| Rhode Island | # 46 | 100 | 708.28 GWh |
| South Carolina | # 15 | 207 | 8,044.42 GWh |
| South Dakota | # 42 | 52 | 1,872.08 GWh |
| Tennessee | # 20 | 88 | 6,323.51 GWh |
| Texas | # 1 | 959 | 41,824.62 GWh |
| Utah | # 36 | 125 | 3,187.35 GWh |
| Vermont | # 50 | 116 | 163.02 GWh |
| Virginia | # 14 | 236 | 9,222.47 GWh |
| Washington | # 13 | 135 | 9,340.69 GWh |
| West Virginia | # 30 | 40 | 4,249.38 GWh |
| Wisconsin | # 26 | 239 | 5,119.83 GWh |
| Wyoming | # 34 | 70 | 3,369.17 GWh |