Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Yuma Cogeneration Associates | Falcon Power Operating Company | Yuma, AZ | Arizona Public Service Company (AZPS) | 17.6 GWh | Feb 1994 | Oct 2025 | Natural Gas |
| Yuma Solar + Storage | Invenergy Services LLC | Fortuna Foothills, AZ | Arizona Public Service Company (AZPS) | 141.6 GWh | - | Oct 2025 | Solar |
| Yucca | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 187.9 GWh | Mar 1959 | Oct 2025 | Natural Gas : 98.5% Distillate Fuel Oil : 1.5% |
Browse Power Plants By Arizona Counties
Figures are based on October 2025 generation numbers.| County | State Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Santa Cruz County, AZ | # 13 | 2 | 4.8 GWh |
| Gila County, AZ | # 12 | 2 | 50.2 GWh |
| Yavapai County, AZ | # 11 | 7 | 97.8 GWh |
| La Paz County, AZ | # 10 | 13 | 115.0 GWh |
| Navajo County, AZ | # 9 | 8 | 1.8 TWh |
| Yuma County, AZ | # 8 | 17 | 2.6 TWh |
| Cochise County, AZ | # 7 | 11 | 2.7 TWh |
| County | State Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Pima County, AZ | # 6 | 39 | 2.9 TWh |
| Coconino County, AZ | # 5 | 12 | 4.7 TWh |
| Pinal County, AZ | # 4 | 26 | 5.9 TWh |
| Apache County, AZ | # 3 | 4 | 7.8 TWh |
| Mohave County, AZ | # 2 | 16 | 9.0 TWh |
| Maricopa County, AZ | # 1 | 88 | 80.4 TWh |