Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 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 |
| 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 Ajo 1 LLC | Duke Energy Renewables Services | Ajo, AZ | Arizona Public Service Company (AZPS) | 8.9 GWh | Jul 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 Horse III | Red Horse III | Wilcox, AZ | Tucson Electric Power (TEPC) | 52.2 GWh | Jun 2016 | Dec 2024 | Solar |
| Raptor Ridge | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 33.8 GWh | May 2022 | 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 Rock | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 81.9 GWh | Jan 2017 | Apr 2025 | Solar : 99.5% |
Browse Power Plants By Arizona Counties
Figures are based on April 2025 generation numbers.| County | State Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 88 | 79.6 TWh |
| Mohave County, AZ | # 2 | 16 | 9.8 TWh |
| Apache County, AZ | # 3 | 4 | 7.9 TWh |
| Pinal County, AZ | # 4 | 26 | 5.1 TWh |
| Coconino County, AZ | # 5 | 8 | 4.4 TWh |
| Cochise County, AZ | # 6 | 11 | 2.7 TWh |
| Pima County, AZ | # 7 | 39 | 2.7 TWh |
| County | State Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Yuma County, AZ | # 8 | 17 | 2.0 TWh |
| Navajo County, AZ | # 9 | 7 | 1.8 TWh |
| La Paz County, AZ | # 10 | 11 | 119.1 GWh |
| Yavapai County, AZ | # 11 | 7 | 97.8 GWh |
| Gila County, AZ | # 12 | 2 | 50.2 GWh |
| Santa Cruz County, AZ | # 13 | 2 | 4.8 GWh |