Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| White River Lock and Dam 1 | Ozark Hydro Management, LLC | Batesville, AR | Southwestern Power Administration (SPA) | 14.2 GWh | May 2007 | Aug 2026 | Water |
| NYS Rte 12 Community Solar | OYA NYS Rte 12 LLC | Clayton, NY | New York Independent System Operator (NYIS) | 6.9 GWh | Nov 2019 | Dec 2025 | Solar |
| OYA Main Street | OYA Main Street LLC | York, NY | New York Independent System Operator (NYIS) | 6.7 GWh | Nov 2022 | Dec 2025 | Solar |
| Great Lakes Seaway Community Solar | OYA Great Lakes Seaway LLC | Clayton, NY | New York Independent System Operator (NYIS) | 5.2 GWh | Nov 2019 | Dec 2025 | Solar |
| OYA Church Road | OYA Church Road A LLC | Baldwinsville, NY | New York Independent System Operator (NYIS) | 8.6 GWh | Nov 2022 | Dec 2025 | Solar |
| Blanchard Road 1 Community Solar | OYA Blanchard Road LLC | Clayton, NY | New York Independent System Operator (NYIS) | 7.1 GWh | Nov 2019 | Dec 2025 | Solar |
| Blanchard Road 2 Community Solar | OYA Blanchard Road 2 LLC | Clayton, NY | New York Independent System Operator (NYIS) | 7.6 GWh | Nov 2019 | Dec 2025 | Solar |
| Moore Road Community Solar | OYA 2643 Moore Road LLC | Ransomville, NY | New York Independent System Operator (NYIS) | 6.0 GWh | Nov 2019 | Dec 2025 | Solar |
| Houston Chemical Complex Battleground | Oxy Vinyls LP | Houston, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.6 TWh | Apr 1982 | Aug 2026 | Natural Gas : 99.5% Other Gas : 0.5% |
| Oxy Renewable Energy - Goldsmith | Oxy Renewable Energy LLC | Goldsmith, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 38.8 GWh | Apr 2020 | Dec 2025 | Solar |
| Oxon Run CREF | Oxon Run Community Renewable Energy Facility | Washington, DC | PJM Interconnection, LLC (PJM) | 1.0 GWh | Nov 2021 | Dec 2025 | Solar |
| Oxbow Creek | Oxbow Creek Energy LLC | Factoryville, PA | PJM Interconnection, LLC (PJM) | 40.6 GWh | Nov 2019 | Dec 2025 | Natural Gas |
| Tunnel 1 Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 21.1 GWh | May 1993 | Oct 2025 | Water |
| Owyhee Dam Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 28.2 GWh | Jul 1985 | Oct 2025 | Water |
| Michell Butte Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 6.6 GWh | Apr 1989 | Oct 2025 | Water |
| Owlville Creek Solar, LLC | Owlville Creek Solar, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 8.4 GWh | Nov 2020 | Dec 2025 | Solar |
| Owlville Creek Solar 2, LLC | Owlville Creek Solar 2, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 7.4 GWh | Nov 2020 | Dec 2025 | Solar |
| Owen Solar | Owen Solar LLC | Lincolnton, NC | Duke Energy Carolinas (DUK) | 6.9 GWh | Mar 2016 | Dec 2025 | Solar |
| ME - EDFR - Phase I - Bristol | Overlook Solar Partners, LLC | Bristol, ME | ISO New England (ISNE) | 8.5 GWh | Nov 2023 | Dec 2025 | Solar |
| Outback Solar At Christmas Valley | Outback Solar, LLC | Christmas Valley, OR | Bonneville Power Administration (BPAT) | 8.8 GWh | Sep 2012 | Dec 2025 | Solar |
| Ashtabula Wind III LLC | Otter Tail Power Co | Luverne, ND | Midcontinent Independent System Operator, Inc. (MISO) | 119.9 GWh | Nov 2010 | Dec 2025 | Wind |
| Merricourt Wind Energy Center | Otter Tail Power Co | Kulm, ND | Midcontinent Independent System Operator, Inc. (MISO) | 561.2 GWh | Nov 2020 | Aug 2026 | Wind |
| Luverne Wind Energy Center | Otter Tail Power Co | Luverne, ND | Midcontinent Independent System Operator, Inc. (MISO) | 151.4 GWh | Aug 2009 | Dec 2025 | Wind |
| Ashtabula Wind Energy Center | Otter Tail Power Co | Luverne, ND | Midcontinent Independent System Operator, Inc. (MISO) | 88.6 GWh | Sep 2008 | Dec 2025 | Wind |
| Langdon Wind Energy Center | Otter Tail Power Co | Langdon, ND | Midcontinent Independent System Operator, Inc. (MISO) | 172.7 GWh | Nov 2007 | Dec 2025 | Wind |
| Coyote | Otter Tail Power Co | Beulah, ND | Midcontinent Independent System Operator, Inc. (MISO) | 2.4 TWh | Apr 1981 | Aug 2026 | Lignite Coal : 99.8% |
| Solway CT | Otter Tail Power Co | Solway, MN | Midcontinent Independent System Operator, Inc. (MISO) | 142.9 GWh | Apr 2003 | Dec 2025 | Natural Gas : 99.5% |
| Jamestown | Otter Tail Power Co | Jamestown, ND | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 GWh | Apr 1976 | Dec 2025 | Distillate Fuel Oil |
| Big Stone | Otter Tail Power Co | Big Stone City, SD | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 TWh | Apr 1975 | Aug 2026 | Subbituminous Coal : 99.7% |
| Lake Preston | Otter Tail Power Co | Lake Preston, SD | Midcontinent Independent System Operator, Inc. (MISO) | 135.0 MWh | May 1978 | Dec 2025 | Distillate Fuel Oil |
| Hoot Lake | Otter Tail Power Co | Fergus Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Aug 1914 | Dec 2025 | Water |
| Astoria Station | Otter Tail Power Co | Astoria, SD | Midcontinent Independent System Operator, Inc. (MISO) | 491.0 GWh | Mar 2021 | Aug 2026 | Natural Gas |
| Hoot Lake Solar | Otter Tail Power Co | Fergus Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 73.8 GWh | Jul 2023 | Aug 2026 | Solar |
| Gardner - Otter River Road | Otter River Road Solar LLC | Gardner, MA | ISO New England (ISNE) | 3.9 GWh | Sep 2019 | Dec 2025 | Solar |
| Otter Creek Ethanol Poet - Ashton | Otter Creek Ethanol LLC - Poet Ashton | Ashton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 44.7 GWh | Feb 2004 | Aug 2026 | Natural Gas |
| Whirlpool Corporation - Ottawa Wind Farm | Ottawa Wind 24, LLC | Ottawa, OH | PJM Interconnection, LLC (PJM) | 1.9 GWh | Dec 2017 | Dec 2024 | Wind |
| Otsego Mill Power Plant | Otsego Paper Inc | Otsego, MI | Midcontinent Independent System Operator, Inc. (MISO) | 162.5 GWh | Oct 1995 | Dec 2025 | Natural Gas |
| Otis Elevator Company Solar | Otis Elevator Company | Florence, SC | Duke Energy Carolinas (DUK) | 1.7 GWh | Apr 2018 | Dec 2025 | Solar |
| Otay Mesa Generating Project | Otay Mesa Energy Center LLC | San Diego, CA | California Independent System Operator (CISO) | 1.2 TWh | Sep 2009 | Aug 2026 | Natural Gas |
| High Dam | Oswego, City of - (NY) | Oswego, NY | New York Independent System Operator (NYIS) | 19.1 GWh | Jul 1928 | Dec 2025 | Water |
| Oswego Harbor Power | Oswego Harbor Power | Oswego, NY | New York Independent System Operator (NYIS) | 116.9 GWh | May 1975 | Aug 2026 | Residual Fuel Oil : 96.5% Natural Gas : 3.5% |
| Oswego County Energy Recovery | Oswego County - (NY) | Fulton, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Jan 1986 | Dec 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Osceola Windpower LLC | Osceola Windpower LLC | Harris, IA | Southwest Power Pool (SWPP) | 386.2 GWh | Jun 2008 | Aug 2026 | Wind |
| Osceola Windpower II | Osceola Windpower II | Harris, IA | Midcontinent Independent System Operator, Inc. (MISO) | 191.6 GWh | Aug 2008 | Aug 2026 | Wind |
| Osborn Wind Energy | Osborn Wind Energy LLC | Stewartsville, MO | Southwest Power Pool (SWPP) | 694.6 GWh | Nov 2016 | Aug 2026 | Wind |
| South Fork Wind | Orsted Wind Power North America LLC | East Hampton, NY | New York Independent System Operator (NYIS) | 521.6 GWh | Jun 2024 | Aug 2026 | Wind |
| Western Trail Wind, LLC | Orsted Onshore North America | Electra, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.2 TWh | Mar 2022 | Aug 2026 | Wind |
| Orrtanna | Orrtanna Power, LLC | Orrtanna, PA | PJM Interconnection, LLC (PJM) | 417.0 MWh | Apr 1971 | Dec 2025 | Distillate Fuel Oil |
| Don A Campbell 1 Geothermal | ORNI 47, LLC | Gabbs, NV | Nevada Power Company (NEVP) | 97.0 GWh | Dec 2013 | Dec 2025 | Geothermal |
| Don A Campbell 2 Geothermal | ORNI 37 LLC | Luning, NV | Nevada Power Company (NEVP) | 88.6 GWh | Aug 2015 | Dec 2025 | Geothermal |
| Arrowleaf Solar and Storage | ORNI 30 LLC | Brawley, CA | Imperial Irrigation District (IID) | 69.7 GWh | Nov 2025 | Aug 2026 | Solar |
| Ormond Beach | Ormond Beach Power, LLC | Oxnard, CA | California Independent System Operator (CISO) | 13.2 GWh | Jul 1971 | Aug 2026 | Natural Gas |
| Stillwater Solar PV II | Ormat Stillwater Solar PV II, LLC | Fallon, NV | Nevada Power Company (NEVP) | 24.6 GWh | May 2018 | Jun 2025 | Solar |
| Stillwater Facility | Ormat Stillwater LLC | Fallon, NV | Nevada Power Company (NEVP) | 90.6 GWh | Feb 2009 | Dec 2025 | Geothermal : 58.1% Solar : 41.9% |
| Salt Wells | Ormat Salt Wells LLC | Fallon, NV | Nevada Power Company (NEVP) | 63.4 GWh | Feb 2009 | Dec 2025 | Geothermal |
| Galena 3 Geothermal Power Plant | Ormat Nevada Inc | Reno, NV | Nevada Power Company (NEVP) | 77.9 GWh | Jan 2008 | Dec 2025 | Geothermal |
| Galena 2 Geothermal Power Plant | Ormat Nevada Inc | Reno, NV | Nevada Power Company (NEVP) | 25.1 GWh | Mar 2007 | Dec 2025 | Geothermal |
| OREG 2 Inc | Ormat Nevada Inc | Culbertson, MT | Southwest Power Pool (SWPP) | 115.2 GWh | Nov 2008 | Aug 2026 | Waste Heat |
| OREG 3 Inc | Ormat Nevada Inc | Trimont, MN | Midcontinent Independent System Operator, Inc. (MISO) | 43.0 GWh | Jul 2010 | Aug 2026 | Waste Heat |
| North Brawley Geothermal Plant | Ormat Nevada Inc | Brawley, CA | Imperial Irrigation District (IID) | 8.4 GWh | Sep 2009 | Dec 2025 | Geothermal |
| OREG 1 Inc | Ormat Nevada Inc | Culbertson, MT | Southwest Power Pool (SWPP) | 127.7 GWh | Jun 2006 | Aug 2026 | Waste Heat |
| Richard Burdette Geothermal | Ormat Nevada Inc | Reno, NV | Nevada Power Company (NEVP) | 88.8 GWh | Oct 2005 | Dec 2025 | Geothermal |
| Dixie Valley | Ormat Nevada Inc | Fallon, NV | California Independent System Operator (CISO) | 468.0 GWh | May 1988 | Aug 2026 | Geothermal |
| Ormesa II | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 124.5 GWh | Apr 1989 | Dec 2025 | Geothermal |
| Brady | Ormat Nevada Inc | Fallon, NV | Nevada Power Company (NEVP) | 83.3 GWh | May 1992 | Dec 2025 | Geothermal |
| Ormesa I | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 66.4 GWh | Nov 1986 | Dec 2025 | Geothermal |
| Tuscarora Geothermal Power Plant | Ormat Nevada Inc | Tuscarora, NV | Nevada Power Company (NEVP) | 119.8 GWh | Dec 2011 | Dec 2025 | Geothermal |
| Jersey Valley Geothermal Power Plant | Ormat Nevada Inc | Imlay, NV | Nevada Power Company (NEVP) | 58.1 GWh | Nov 2010 | Dec 2025 | Geothermal |
| McGinness Hills | Ormat Nevada Inc | Austin, NV | Nevada Power Company (NEVP) | 568.6 GWh | Apr 2012 | Dec 2025 | Geothermal |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 75.3 GWh | Nov 1990 | Dec 2025 | Geothermal |
| Beowawe | Ormat Nevada Inc | Beowawe, NV | Nevada Power Company (NEVP) | 167.1 GWh | Nov 1985 | Dec 2025 | Geothermal |
| Desert Peak Power Plant | Ormat Nevada Inc | Fernley, NV | Nevada Power Company (NEVP) | 78.2 GWh | May 2006 | Dec 2025 | Geothermal |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 83.8 GWh | Nov 1990 | Dec 2025 | Geothermal |
| Steamboat Hills LP | Ormat Nevada Inc | Reno, NV | Nevada Power Company (NEVP) | 233.9 GWh | Jan 1988 | Dec 2025 | Geothermal |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 43.6 GWh | Nov 1984 | Dec 2025 | Geothermal |
| Ormesa III | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 77.3 GWh | Apr 1989 | Dec 2025 | Geothermal |
| McGinness Hills 3 | Ormat Nevada Inc | Austin, NV | Nevada Power Company (NEVP) | 463.0 GWh | Nov 2018 | Aug 2026 | Geothermal |
| Cove Fort | Ormat Cove Fort LLC | Cove Fort, UT | PacifiCorp East (PACE) | 142.1 GWh | Nov 2013 | Dec 2025 | Geothermal |
| Stanton Energy Center | Orlando Utilities Comm | Orlando, FL | Florida Municipal Power Pool (FMPP) | 5.7 TWh | Jun 1987 | Aug 2026 | Bituminous Coal : 60.6% Natural Gas : 38.9% Landfill Gas : 0.5% |
| Indian River Plant | Orlando Utilities Comm | Titusville, FL | Florida Municipal Power Pool (FMPP) | 4.3 GWh | Jun 1989 | Dec 2025 | Natural Gas |
| Osceola Generating Station (FL) | Orlando Utilities Comm | St. Cloud, FL | Duke Energy Florida, Inc. (FPC) | 3.7 GWh | Nov 2001 | Dec 2025 | Natural Gas : 85.7% Distillate Fuel Oil : 14.3% |
| Orion Solar II | Orion Solar II, LLC | Arvin, CA | California Independent System Operator (CISO) | 16.0 GWh | May 2014 | Dec 2025 | Solar |
| Orion Solar I | Orion Solar I LLC | Arvin, CA | California Independent System Operator (CISO) | 27.4 GWh | Mar 2014 | Dec 2025 | Solar |
| Engineered Carbons Borger Cogen | Orion Engineered Carbons | Borger, TX | Southwest Power Pool (SWPP) | 31.6 GWh | Sep 1982 | Dec 2025 | Other Gas : 99.5% |
| Ivanhoe Generation Facility | Orion Engineered Carbons | Franklin, LA | Midcontinent Independent System Operator, Inc. (MISO) | 72.2 GWh | Mar 2023 | Dec 2025 | Waste Heat |
| Benton County Wind Farm | Orion Energy Group LLC | Earl Park, IN | Midcontinent Independent System Operator, Inc. (MISO) | 342.9 GWh | Apr 2008 | Dec 2025 | Wind |
| Camp Grove Wind Farm | Orion Energy Group LLC | Wyoming, IL | PJM Interconnection, LLC (PJM) | 406.1 GWh | Nov 2007 | Dec 2025 | Wind |
| Orion Community Solar | Orion Community Solar | St. Joseph, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | Dec 2016 | Dec 2025 | Solar |
| Golden Triangle II | Origis Energy USA, Inc | St.Artesia, MS | Tennessee Valley Authority (TVA) | 304.3 GWh | Apr 2024 | Aug 2026 | Solar : 99.9% |
| Rice Creek | Origis Energy USA, Inc | Putnam, FL | Florida Power & Light Co. (FPL) | 179.4 GWh | Nov 2024 | Aug 2026 | Solar |
| Golden Triangle | Origis Energy USA, Inc | Lowndes, MS | Tennessee Valley Authority (TVA) | 409.8 GWh | Dec 2024 | Aug 2026 | Solar |
| Wing | Origis Energy USA, Inc | Wing, AL | Southern Company Services, Inc. - Trans (SOCO) | 171.7 GWh | Mar 2023 | Aug 2026 | Solar |
| Escalante (NM) | Origis Energy USA, Inc | Grants, NM | Public Service Company of New Mexico (PNM) | 518.1 GWh | May 2024 | Aug 2026 | Solar |
| MA Solar Storage 1 Hybrid | Origis Energy USA, Inc | Sterling, MA | ISO New England (ISNE) | 1.2 GWh | Feb 2018 | Dec 2025 | Solar |
| Swift Air Solar III | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 206.0 GWh | Oct 2025 | Aug 2026 | Solar |
| Walker Springs I | Origis Energy USA, Inc | Gainestown, AL | Southern Company Services, Inc. - Trans (SOCO) | 113.1 GWh | - | Aug 2026 | Solar |
| Walker Springs II | Origis Energy USA, Inc | Gainestown, AL | Southern Company Services, Inc. - Trans (SOCO) | 60.8 GWh | - | Aug 2026 | Solar |
| Whistling Duck I | Origis Energy USA, Inc | Williston, FL | Duke Energy Florida, Inc. (FPC) | 134.9 GWh | Nov 2025 | Aug 2026 | Solar |
| Rockhound D | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 21.5 GWh | - | Aug 2026 | Solar |
| Rockhound C | Origis Energy USA, Inc | Odessa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 50.0 GWh | - | Aug 2026 | 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 |