Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Box Canyon | PUD No 1 of Pend Oreille County | Ione, WA | Avista Corporation (AVA) | 464.1 GWh | May 1955 | Dec 2024 | Water |
| Grimes Way | Washington State University | Pullman, WA | Avista Corporation (AVA) | 81.0 MWh | Dec 2004 | Sep 2025 | Distillate Fuel Oil : 77.5% Natural Gas : 22.5% |
| Kettle Falls Generating Station | Avista Corp | Kettle Falls, WA | Avista Corporation (AVA) | 329.8 GWh | Nov 1983 | Dec 2024 | Wood/Wood Waste Solids : 88.7% Natural Gas : 11.3% |
| Post Falls | Avista Corp | Post Falls, ID | Avista Corporation (AVA) | 69.1 GWh | Jun 1906 | Dec 2024 | Water |
| Cabinet Gorge | Avista Corp | Clark Fork, ID | Avista Corporation (AVA) | 857.6 GWh | Aug 1952 | Dec 2024 | Water |
| Summer Falls Power Plant | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 398.2 GWh | Dec 1984 | Oct 2024 | Water |
| Main Canal Headworks | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 103.3 GWh | Dec 1986 | Oct 2024 | Water |
| Palouse | Onward Energy | Oakesdale, WA | Avista Corporation (AVA) | 325.9 GWh | Nov 2012 | Dec 2024 | Wind |
| Clearwater Paper IPP Lewiston | Clearwater Paper Corporation | Lewiston, ID | Avista Corporation (AVA) | 451.0 GWh | Dec 1949 | Sep 2025 | Black Liquor : 60.1% Wood/Wood Waste Solids : 24.0% Natural Gas : 15.9% |
| Boulder Park | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 99.0 GWh | Apr 2002 | Dec 2024 | Natural Gas |
| Sheep Creek Hydro | Sheep Creek Hydro Inc | Northport, WA | Avista Corporation (AVA) | 7.8 GWh | May 1986 | Dec 2024 | Water |
| Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 89.9 GWh | Nov 1992 | Dec 2024 | Water |
| Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 59.9 GWh | Mar 1922 | Dec 2024 | Water |
| Upriver Dam Hydro Plant | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 48.4 GWh | Dec 1935 | Dec 2024 | Water |
| Rattlesnake Flat | Rattlesnake Flat, LLC | Ritzville, WA | Avista Corporation (AVA) | 399.6 GWh | Nov 2020 | Sep 2025 | Wind |
| Fighting Creek LFGTE Plant | Kootenai Renewable Energy LLC | Coeur d'Alene, ID | Avista Corporation (AVA) | 19.9 GWh | Feb 2012 | Dec 2024 | Landfill Gas |
| Adams Nielson Solar | Strata Manager, LLC | Lind, WA | Avista Corporation (AVA) | 44.6 GWh | Oct 2018 | Sep 2025 | Solar |
| Clearwater Wind III | Clearwater Wind III, LLC | Miles City, MT | Avista Corporation (AVA) | 371.0 GWh | Aug 2024 | Sep 2025 | Wind |
| Daybreak Solar | Avangrid Power LLC | Maupin, OR | Avangrid Renewables, LLC (AVRN) | 234.5 GWh | - | Sep 2025 | Solar |
| Golden Hill Wind | Avangrid Power LLC | Wasco, OR | Avangrid Renewables, LLC (AVRN) | 594.4 GWh | Mar 2022 | Sep 2025 | Wind |
| Klamath Cogeneration Plant | Klamath Energy LLC | Klamath Falls, OR | Avangrid Renewables, LLC (AVRN) | 3.1 TWh | Jun 2001 | Sep 2025 | Natural Gas |
| Big Horn Wind II | Avangrid Power LLC | Bickleton, WA | Avangrid Renewables, LLC (AVRN) | 97.5 GWh | Dec 2010 | Sep 2025 | Wind |
| Pebble Springs Wind LLC | Avangrid Power LLC | Wasco, OR | Avangrid Renewables, LLC (AVRN) | 219.0 GWh | Dec 2008 | Dec 2024 | Wind |
| Juniper Canyon I Wind Project | Avangrid Power LLC | Bickleton, WA | Avangrid Renewables, LLC (AVRN) | 212.2 GWh | Feb 2011 | Sep 2025 | Wind |
| Star Point Wind Project LLC | Avangrid Power LLC | Wasco, OR | Avangrid Renewables, LLC (AVRN) | 217.8 GWh | Jan 2010 | Dec 2024 | Wind |
| Hay Canyon Wind Power LLC | Avangrid Power LLC | Wasco, OR | Avangrid Renewables, LLC (AVRN) | 179.8 GWh | Jan 2009 | Dec 2024 | Wind |
| Leaning Juniper Wind Power II | Avangrid Power LLC | Arlington, OR | Avangrid Renewables, LLC (AVRN) | 416.6 GWh | Feb 2011 | Dec 2024 | Wind |
| Klondike Wind Power | Avangrid Power LLC | Wasco, OR | Avangrid Renewables, LLC (AVRN) | 17.8 GWh | Dec 2001 | Dec 2024 | Wind |
| Klamath Expansion Project | Klamath Energy LLC | Klamath Falls, OR | Avangrid Renewables, LLC (AVRN) | 132.3 GWh | Apr 2002 | Dec 2024 | Natural Gas |
| Klondike Windpower III | Avangrid Power LLC | Wasco, OR | Avangrid Renewables, LLC (AVRN) | 689.1 GWh | Oct 2007 | Sep 2025 | Wind |
| Klondike Windpower II | Avangrid Power LLC | Wasco, OR | Avangrid Renewables, LLC (AVRN) | 245.8 GWh | Jun 2005 | Dec 2024 | Wind |
| Big Horn Wind Project | Avangrid Power LLC | Bickelton, WA | Avangrid Renewables, LLC (AVRN) | 443.5 GWh | Sep 2006 | Sep 2025 | Wind |
| WyEast Solar | Avangrid Power LLC | Wasco, OR | Avangrid Renewables, LLC (AVRN) | 21.1 GWh | Jul 2018 | Dec 2024 | Solar |
| Montague Solar | Avangrid Power LLC | Arlington, OR | Avangrid Renewables, LLC (AVRN) | 381.9 GWh | Mar 2023 | Sep 2025 | Solar |
| Lund Hill Solar | Avangrid Power LLC | Bickleton, WA | Avangrid Renewables, LLC (AVRN) | 367.4 GWh | Sep 2022 | Sep 2025 | Solar |
| Bakeoven Solar | Avangrid Power LLC | Maupin, OR | Avangrid Renewables, LLC (AVRN) | 53.7 GWh | - | Sep 2025 | Solar |
| Montague Wind Power Facility LLC | Avangrid Power LLC | Arlington, OR | Avangrid Renewables, LLC (AVRN) | 472.2 GWh | Oct 2019 | Sep 2025 | Wind |
| White Cloud Wind Project, LLC | White Cloud Wind Project, LLC | Tarkio, MO | Associated Electric Cooperative, Inc. (AECI) | 832.2 GWh | Nov 2020 | Sep 2025 | Wind |
| Clear Creek Wind | Clear Creek Wind, LLC | Maryville, MO | Associated Electric Cooperative, Inc. (AECI) | 437.6 GWh | Apr 2020 | Sep 2025 | Wind |
| Osage Wind, LLC | Enel Green Power NA, Inc. | Burbank, OK | Associated Electric Cooperative, Inc. (AECI) | 549.0 GWh | May 2015 | Dec 2024 | Wind |
| Black Oak Power Producers | Cube District Energy, LLC | Hartville, MO | Associated Electric Cooperative, Inc. (AECI) | 11.2 GWh | Nov 2014 | Dec 2024 | Landfill Gas |
| Maple City | Greenbacker Renewable Energy Corporation | Osage Township, IA | Associated Electric Cooperative, Inc. (AECI) | 3.1 GWh | Nov 2022 | Dec 2024 | Solar |
| Conception | CR Clearing, LLC | Stanberry, MO | Associated Electric Cooperative, Inc. (AECI) | 182.7 GWh | Mar 2008 | Sep 2025 | Wind |
| Macon Energy Center | City of Macon - (MO) | Macon, MO | Associated Electric Cooperative, Inc. (AECI) | 80.7 GWh | Apr 2003 | Dec 2024 | Natural Gas |
| Bluegrass Ridge | Wind Capital Holdings, LLC | King City, MO | Associated Electric Cooperative, Inc. (AECI) | 179.8 GWh | May 2007 | Sep 2025 | Wind |
| Cow Branch | Cow Branch Wind Power, LLC | Tarkio, MO | Associated Electric Cooperative, Inc. (AECI) | 97.4 GWh | Mar 2008 | Sep 2025 | Wind |
| Loess Hills | Loess Hills Wind Farm LLC | Rock Port, MO | Associated Electric Cooperative, Inc. (AECI) | 6.6 GWh | Jan 2008 | Sep 2025 | Wind |
| Shelbina Power #1 | City of Shelbina - (MO) | Shelbina, MO | Associated Electric Cooperative, Inc. (AECI) | 14.0 MWh | Dec 1980 | Dec 2024 | Distillate Fuel Oil |
| St Francis Energy Facility | Associated Electric Coop, Inc | Campbell, MO | Associated Electric Cooperative, Inc. (AECI) | 1.7 TWh | Jun 1999 | Dec 2024 | Natural Gas |
| Shelbina Power #3 | City of Shelbina - (MO) | Shelbina, MO | Associated Electric Cooperative, Inc. (AECI) | 36.0 MWh | Mar 2002 | Dec 2024 | Distillate Fuel Oil |
| Clarence Cannon | USCE-St Louis District | Monroe City, MO | Associated Electric Cooperative, Inc. (AECI) | 94.1 GWh | Oct 1984 | Sep 2025 | Water |
| Holden | Associated Electric Coop, Inc | Holden, MO | Associated Electric Cooperative, Inc. (AECI) | 282.4 GWh | May 2002 | Dec 2024 | Natural Gas : 95.4% Distillate Fuel Oil : 4.6% |
| Shelbina Power #2 | City of Shelbina - (MO) | Shelbina, MO | Associated Electric Cooperative, Inc. (AECI) | 58.0 MWh | Mar 1992 | Dec 2024 | Distillate Fuel Oil |
| Essex | Associated Electric Coop, Inc | Essex, MO | Associated Electric Cooperative, Inc. (AECI) | 62.6 GWh | May 1999 | Dec 2024 | Natural Gas |
| Nodaway | Associated Electric Coop, Inc | Conception Junction, MO | Associated Electric Cooperative, Inc. (AECI) | 27.4 GWh | May 1999 | Nov 2024 | Natural Gas |
| Chouteau | Associated Electric Coop, Inc | Pryor, OK | Associated Electric Cooperative, Inc. (AECI) | 5.8 TWh | Dec 1999 | Sep 2025 | Natural Gas |
| Unionville | Associated Electric Coop, Inc | Unionville, MO | Associated Electric Cooperative, Inc. (AECI) | 479.0 MWh | May 1976 | Dec 2024 | Distillate Fuel Oil |
| Niangua | Sho-Me Power Electric Coop | Camdenton, MO | Associated Electric Cooperative, Inc. (AECI) | 542.0 MWh | Oct 1930 | Jul 2024 | Water |
| Fulton (MO) | City of Fulton - (MO) | Fulton, MO | Associated Electric Cooperative, Inc. (AECI) | 161.0 MWh | Aug 1966 | Dec 2024 | Natural Gas |
| Unionville City of | City of Unionville - (MO) | Unionville, MO | Associated Electric Cooperative, Inc. (AECI) | 1.0 MWh | Dec 1934 | Dec 2024 | Distillate Fuel Oil |
| New Madrid | Associated Electric Coop, Inc | New Madrid, MO | Associated Electric Cooperative, Inc. (AECI) | 6.6 TWh | Sep 1972 | Sep 2025 | Subbituminous Coal : 77.2% Refined Coal : 22.8% |
| Thomas Hill | Associated Electric Coop, Inc | Clifton Hill, MO | Associated Electric Cooperative, Inc. (AECI) | 6.3 TWh | Nov 1966 | Sep 2025 | Subbituminous Coal : 85.0% Refined Coal : 14.9% |
| Lost Creek Wind Energy Facility | Pattern Operators LP | King City, MO | Associated Electric Cooperative, Inc. (AECI) | 385.8 GWh | Apr 2010 | Sep 2025 | Wind |
| Dell Power Station | Associated Electric Coop, Inc | Dell, AR | Associated Electric Cooperative, Inc. (AECI) | 3.9 TWh | Jul 2007 | Dec 2024 | Natural Gas : 99.5% |
| Mt Pleasant | City of Mt Pleasant - (IA) | Mt Pleasant, IA | Associated Electric Cooperative, Inc. (AECI) | 33.0 MWh | Jan 2002 | Dec 2024 | Distillate Fuel Oil |
| Bloomfield | City of Bloomfield - (IA) | Bloomfield, IA | Associated Electric Cooperative, Inc. (AECI) | 16.0 MWh | Mar 1945 | Dec 2023 | Distillate Fuel Oil |
| Arlington Valley Energy Facility | Arlington Valley LLC | Arlington, AZ | Arlington Valley, LLC (DEAA) | 3.4 TWh | May 2002 | Sep 2025 | Natural Gas |
| Yuma Cogeneration Associates | Falcon Power Operating Company | Yuma, AZ | Arizona Public Service Company (AZPS) | 23.8 GWh | Feb 1994 | Sep 2025 | Natural Gas |
| Novo BioPower Plant | Novo Biopower LLC | Snowflake, AZ | Arizona Public Service Company (AZPS) | 168.1 GWh | May 2008 | Dec 2024 | Wood/Wood Waste Solids : 99.8% |
| Prescott Airport | Arizona Public Service Co | Prescott, AZ | Arizona Public Service Company (AZPS) | 2.5 GWh | Sep 2002 | Dec 2024 | Solar |
| Cholla | Arizona Public Service Co | Joseph City, AZ | Arizona Public Service Company (AZPS) | 1.3 TWh | Apr 1962 | Mar 2025 | Subbituminous Coal : 99.9% |
| Douglas | Arizona Public Service Co | Douglas, AZ | Arizona Public Service Company (AZPS) | 93.0 MWh | Apr 1972 | Dec 2024 | Distillate Fuel Oil |
| Ocotillo | Arizona Public Service Co | Tempe, AZ | Arizona Public Service Company (AZPS) | 473.2 GWh | Feb 1960 | Sep 2025 | Natural Gas |
| West Phoenix | Arizona Public Service Co | Phoenix, AZ | Arizona Public Service Company (AZPS) | 4.2 TWh | Apr 1972 | Sep 2025 | Natural Gas |
| Saguaro | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 135.2 GWh | Apr 1972 | Dec 2024 | Natural Gas |
| Yucca | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 201.3 GWh | Mar 1959 | Sep 2025 | Natural Gas : 97.7% Distillate Fuel Oil : 2.3% |
| Four Corners | Arizona Public Service Co | Fruitland, NM | Arizona Public Service Company (AZPS) | 7.1 TWh | Jun 1969 | Sep 2025 | Bituminous Coal : 99.3% Natural Gas : 0.7% |
| Luke Solar | Arizona Public Service Co | Glendale, AZ | Arizona Public Service Company (AZPS) | 32.2 GWh | May 2015 | Dec 2024 | Solar |
| Poseidon Wind, LLC | Axium Arizona Renewables, LLC | Herber, AZ | Arizona Public Service Company (AZPS) | 106.8 GWh | Nov 2010 | Sep 2025 | Wind |
| Solana Generating Station | Arizona Solar One LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 859.3 GWh | Sep 2013 | Sep 2025 | Solar |
| Chino Valley Solar | Arizona Public Service Co | Chino Valley, AZ | Arizona Public Service Company (AZPS) | 41.0 GWh | Nov 2012 | Dec 2024 | Solar |
| Cotton Center Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 36.5 GWh | Oct 2011 | Dec 2024 | Solar |
| Paloma Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 31.9 GWh | Aug 2011 | Dec 2024 | Solar |
| Hyder Solar Hybrid | Arizona Public Service Co | Hyder, AZ | Arizona Public Service Company (AZPS) | 35.3 GWh | Oct 2011 | Dec 2024 | Solar |
| Macys Goodyear | Macys Corporate Services, Inc | Goodyear, AZ | Arizona Public Service Company (AZPS) | 3.1 GWh | Nov 2010 | Dec 2024 | Solar |
| Northwest Regional | WM Renewable Energy LLC | Surprise, AZ | Arizona Public Service Company (AZPS) | 16.6 GWh | Jul 2012 | Dec 2024 | Landfill Gas |
| Vista Grande HS at Casa Grande | Luminace Solar Holding, LLC | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 2.8 GWh | Nov 2012 | Dec 2024 | Solar |
| Union HS at Casa Grande | Luminace Solar Holding, LLC | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 2.9 GWh | Nov 2012 | Dec 2024 | Solar |
| Lake Pleasant WTP | MN8 Energy LLC | Peoria, AZ | Arizona Public Service Company (AZPS) | 12.9 GWh | Nov 2012 | Dec 2024 | Solar |
| Gilbert Solar Facility I, LLC | Gilbert Solar Facility I, LLC | Gilbert, AZ | Arizona Public Service Company (AZPS) | 3.8 GWh | Sep 2011 | Dec 2024 | Solar |
| Phoenix Airport East Economy Lot | SunStrong Management, LLC | Phoenix, AZ | Arizona Public Service Company (AZPS) | 1.3 GWh | Nov 2012 | Dec 2024 | Solar |
| Phoenix Airport Rental Car Center | SunStrong Management, LLC | Phoenix, AZ | Arizona Public Service Company (AZPS) | 4.4 GWh | Nov 2012 | Dec 2024 | Solar |
| Gila Bend Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 84.7 GWh | Sep 2014 | Dec 2024 | Solar |
| RE Gillespie 1 LLC | MN8 Energy LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 36.8 GWh | Nov 2013 | Dec 2024 | Solar |
| Arlington Valley Solar Energy II | Arevon Energy, Inc. | Arlington, AZ | Arizona Public Service Company (AZPS) | 341.2 GWh | Mar 2013 | Dec 2024 | Solar |
| Saddle Mountain Solar I | SunE AZ2, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 34.5 GWh | Nov 2012 | Dec 2024 | Solar |
| Jewish Community Center PV | AES Distributed Energy | Scottsdale, AZ | Arizona Public Service Company (AZPS) | 1.8 GWh | Aug 2012 | Dec 2024 | Solar |
| Paradise Valley H.S. PV | AES Distributed Energy | Phoenix, AZ | Arizona Public Service Company (AZPS) | 2.1 GWh | Dec 2012 | Dec 2024 | Solar |
| Arizona State University CHP | Energy Center Phoenix LLC | Tempe, AZ | Arizona Public Service Company (AZPS) | 40.2 GWh | Mar 2006 | Sep 2025 | Natural Gas |
| Perrin Ranch Wind LLC | Perrin Ranch Wind LLC | Williams, AZ | Arizona Public Service Company (AZPS) | 178.8 GWh | Dec 2011 | Sep 2025 | Wind |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |