Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Fort Huachuca Solar PV Project | Tucson Electric Power Co | Sierra Vista, AZ | Tucson Electric Power (TEPC) | 34.8 GWh | Nov 2014 | Dec 2025 | Solar |
| FRB Solar Farm | FRB Solar LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 3.8 GWh | Mar 2011 | Dec 2025 | Solar |
| Foothills Solar Plant Hybrid | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 80.2 GWh | Feb 2013 | Dec 2025 | Solar |
Browse Power Plants By Arizona Counties
Figures are based on August 2026 generation numbers.| County | State Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 97 | 79.3 TWh |
| Mohave County, AZ | # 2 | 18 | 10.3 TWh |
| Apache County, AZ | # 3 | 4 | 8.2 TWh |
| Pinal County, AZ | # 4 | 28 | 6.4 TWh |
| Coconino County, AZ | # 5 | 11 | 3.9 TWh |
| Cochise County, AZ | # 6 | 13 | 3.2 TWh |
| Pima County, AZ | # 7 | 42 | 2.8 TWh |
| County | State Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Yuma County, AZ | # 8 | 17 | 2.7 TWh |
| Navajo County, AZ | # 9 | 11 | 2.3 TWh |
| La Paz County, AZ | # 10 | 17 | 281.2 GWh |
| Yavapai County, AZ | # 11 | 7 | 88.5 GWh |
| Gila County, AZ | # 12 | 2 | 48.8 GWh |
| Santa Cruz County, AZ | # 13 | 2 | 9.8 GWh |