Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| OE_AZ1 | Onward Energy | Salome, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 86.8 GWh | Nov 2019 | Apr 2025 | Solar |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 32.0 TWh | Dec 1985 | Apr 2025 | Nuclear |
| Paloma Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 31.9 GWh | Aug 2011 | 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 |
| Perrin Ranch Wind LLC | Perrin Ranch Wind LLC | Williams, AZ | Arizona Public Service Company (AZPS) | 175.0 GWh | Dec 2011 | Apr 2025 | Wind |
| 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 |
| Picture Rocks Solar, LLC | MN8 Energy LLC | Marana, AZ | Tucson Electric Power (TEPC) | 49.8 GWh | Nov 2012 | Dec 2024 | Solar |
| Pima Community College | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 2.1 GWh | Jul 2019 | May 2024 | Solar |
| Pima Community College - East Campus | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 2.8 GWh | Jul 2017 | Dec 2024 | Solar |
| Pima Community College NW | Onyx Asset Services Group | Tucson, AZ | Tucson Electric Power (TEPC) | 3.1 GWh | Mar 2019 | Dec 2023 | Solar |
| Pinal Central Energy Center Hybrid | Pinal Central Energy Center, LLC | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 54.1 GWh | Mar 2018 | Apr 2025 | Solar |
| Poseidon Solar, LLC | Axium Arizona Renewables, LLC | Globe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 50.2 GWh | Nov 2011 | Dec 2024 | Solar |
| Poseidon Wind, LLC | Axium Arizona Renewables, LLC | Herber, AZ | Arizona Public Service Company (AZPS) | 106.4 GWh | Nov 2010 | Apr 2025 | Wind |
| Prairie Fire | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 7.8 GWh | Nov 2012 | Dec 2024 | Solar |
| Prescott Airport | Arizona Public Service Co | Prescott, AZ | Arizona Public Service Company (AZPS) | 2.5 GWh | Sep 2002 | Dec 2024 | Solar |
| Prescott Solar Plant | SunE AZ1, LLC | Prescott, AZ | Arizona Public Service Company (AZPS) | 23.0 GWh | Nov 2011 | Dec 2024 | Solar |
| Queen Creek Solar Farm | Siete Solar LLC | Queen Creek, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 40.7 GWh | Sep 2012 | Dec 2024 | Solar |
| Raptor Ridge | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 33.8 GWh | May 2022 | Dec 2024 | Solar |
| RE Ajo 1 LLC | Duke Energy Renewables Services | Ajo, AZ | Arizona Public Service Company (AZPS) | 8.9 GWh | Jul 2011 | Dec 2024 | Solar |
| RE Bagdad Solar I LLC | Duke Energy Renewables Services | Bagdad, AZ | Arizona Public Service Company (AZPS) | 31.3 GWh | Nov 2011 | 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 |
| Red Hawk | Arizona Public Service Co | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.2 TWh | Jun 2002 | Apr 2025 | Natural Gas |
| Red Horse 2 | Red Horse 2 | Willcox, AZ | Tucson Electric Power (TEPC) | 194.7 GWh | Jul 2015 | Apr 2025 | Solar : 69.9% Wind : 30.1% |
| Red Horse III | Red Horse III | Wilcox, AZ | Tucson Electric Power (TEPC) | 52.2 GWh | Jun 2016 | Dec 2024 | Solar |
| Red Rock | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 81.9 GWh | Jan 2017 | Apr 2025 | Solar : 99.5% |
| Roger Road WWTP | SunE M5C Holdings LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.1 GWh | Jul 2010 | Oct 2024 | Solar |
| Roosevelt | Salt River Project | Roosevelt, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 101.8 GWh | Feb 1973 | Dec 2024 | Water |
| Saddle Mountain Solar I | SunE AZ2, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 34.5 GWh | Nov 2012 | Dec 2024 | Solar |
| Saguaro | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 135.2 GWh | Apr 1972 | Dec 2024 | Natural Gas |
| Saint Solar | Saint Solar LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 278.8 GWh | Dec 2020 | Apr 2025 | Solar |
| Sandstone Solar | AES Distributed Energy | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 117.2 GWh | Nov 2015 | Dec 2024 | Solar |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 6.0 TWh | Sep 1974 | Apr 2025 | Natural Gas |
| Serrano | Serrano Solar, LLC | Marana, AZ | Arizona Public Service Company (AZPS) | 25.0 GWh | - | Apr 2025 | Solar |
| Solana Generating Station | Arizona Solar One LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 838.8 GWh | Sep 2013 | Apr 2025 | Solar |
| Sonoran Solar Energy | Sonoran Solar Energy, LLC | Buckeye, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.1 TWh | Jun 2023 | Apr 2025 | Solar |
| South Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.6 TWh | Feb 2001 | Feb 2025 | Natural Gas |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.3 TWh | May 1985 | Apr 2025 | Subbituminous Coal : 99.2% |
| SR McNeal | SR McNeal, LLC | McNeal, AZ | Tucson Electric Power (TEPC) | 54.4 GWh | Nov 2023 | Apr 2025 | Solar |
| Stewart Mountain | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 45.7 GWh | Feb 1930 | Dec 2024 | Water |
| Storey Solar and Storage | Storey Energy Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 295.5 GWh | Aug 2023 | Apr 2025 | Solar |
| Sulphur Springs | MN8 Energy LLC | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 51.5 GWh | Nov 2016 | Dec 2024 | Solar |
| Sun Streams 2 | Sun Streams 2, LLC | Hassayampa, AZ | California Independent System Operator (CISO) | 320.9 GWh | May 2021 | Apr 2025 | Solar |
| Sun Streams 3 | Sun Streams PVS, LLC | Arlington, AZ | Arizona Public Service Company (AZPS) | 671.0 GWh | May 2024 | Apr 2025 | Solar : 75.8% Electricity used for energy storage : 24.2% |
| Sun Streams 4 | Sun Streams Expansion, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 138.2 GWh | - | Apr 2025 | Solar |
| Sun Streams, LLC | EDP Renewables North America LLC | Arlington, AZ | California Independent System Operator (CISO) | 407.2 GWh | Dec 2019 | Apr 2025 | Solar |
| Sundance | Arizona Public Service Co | Casa Grande, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 352.8 GWh | Apr 2002 | Apr 2025 | Natural Gas |
| T0588 Phoenix - AZ | SoCore Energy LLC | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.1 GWh | Apr 2017 | Dec 2024 | Solar |
| Tech Park Solar | Big Sky Wind, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 11.8 GWh | Nov 2012 | Dec 2024 | Solar |
| TJX Phoenix | SoCore Energy LLC | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.0 GWh | Dec 2017 | Dec 2024 | Solar |
| TJX Tucson | SoCore Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 2.2 GWh | Jan 2018 | Dec 2024 | Solar |
| UASTP I | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.6 GWh | Nov 2010 | 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 |
| University of Arizona - Biosphere 2 | University of Arizona - Biosphere 2 | Oracle, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 53.0 MWh | Oct 1990 | Dec 2024 | Natural Gas : 67.8% Distillate Fuel Oil : 32.2% |
| Valencia | UNS Electric, Inc | Nogales, AZ | Tucson Electric Power (TEPC) | 4.8 GWh | Jul 1989 | Dec 2024 | Natural Gas : 96.3% Distillate Fuel Oil : 3.7% |
| Valencia Solar | Big Sky Wind, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 24.6 GWh | May 2013 | Dec 2024 | Solar |
| 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 |
| Walmart Casa Grande | Tesla Inc. | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 1.8 GWh | May 2011 | Dec 2023 | Solar |
| West Line Solar, LLC | West Line Solar, LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 277.8 GWh | Nov 2022 | Apr 2025 | Solar |
| West Phoenix | Arizona Public Service Co | Phoenix, AZ | Arizona Public Service Company (AZPS) | 4.1 TWh | Apr 1972 | Apr 2025 | Natural Gas |
| White Wing Solar | Leeward Asset Management, LLC | Yuma, AZ | California Independent System Operator (CISO) | 234.6 GWh | Sep 2024 | Apr 2025 | Solar |
| Wilmot Energy Center LLC | Wilmot Energy Center LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 262.5 GWh | Mar 2021 | Apr 2025 | Solar |
| Yucca | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 282.6 GWh | Mar 1959 | Apr 2025 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Yuma Cogeneration Associates | Falcon Power Operating Company | Yuma, AZ | Arizona Public Service Company (AZPS) | 36.3 GWh | Feb 1994 | Jan 2025 | Natural Gas |
| Yuma Solar + Storage | Invenergy Services LLC | Fortuna Foothills, AZ | Arizona Public Service Company (AZPS) | 25.9 GWh | - | Apr 2025 | Solar |
Browse Power Plants By Arizona Counties
Figures are based on April 2025 generation numbers.| County | State Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Apache County, AZ | # 3 | 4 | 7.9 TWh |
| Cochise County, AZ | # 6 | 11 | 2.7 TWh |
| Coconino County, AZ | # 5 | 8 | 4.4 TWh |
| Gila County, AZ | # 12 | 2 | 50.2 GWh |
| La Paz County, AZ | # 10 | 11 | 119.1 GWh |
| Maricopa County, AZ | # 1 | 88 | 79.6 TWh |
| Mohave County, AZ | # 2 | 16 | 9.8 TWh |
| County | State Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Navajo County, AZ | # 9 | 7 | 1.8 TWh |
| Pima County, AZ | # 7 | 39 | 2.7 TWh |
| Pinal County, AZ | # 4 | 26 | 5.1 TWh |
| Santa Cruz County, AZ | # 13 | 2 | 4.8 GWh |
| Yavapai County, AZ | # 11 | 7 | 97.8 GWh |
| Yuma County, AZ | # 8 | 17 | 2.0 TWh |