Electricity Generation Aggregated by Arizona County
| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|---|---|---|
| #1 | Maricopa County, AZ | 79.3 TWh | 97 |
| #7 | Pima County, AZ | 2.8 TWh | 42 |
| #4 | Pinal County, AZ | 6.4 TWh | 28 |
| #2 | Mohave County, AZ | 10.3 TWh | 18 |
| #10 | La Paz County, AZ | 281.2 GWh | 17 |
| #8 | Yuma County, AZ | 2.7 TWh | 17 |
| #6 | Cochise County, AZ | 3.2 TWh | 13 |
| #5 | Coconino County, AZ | 3.9 TWh | 11 |
| #9 | Navajo County, AZ | 2.3 TWh | 11 |
| #11 | Yavapai County, AZ | 88.5 GWh | 7 |
| #3 | Apache County, AZ | 8.2 TWh | 4 |
| #12 | Gila County, AZ | 48.8 GWh | 2 |
| #13 | Santa Cruz County, AZ | 9.8 GWh | 2 |
Net Generation data is based on the last 12 months since Dec 2025
Top 20 Arizona Counties by Net Generation
Totals are based on the most recent 12 months net generation- Maricopa County, AZ79.32 TWh
- Mohave County, AZ10.25 TWh
- Apache County, AZ8.19 TWh
- Pinal County, AZ6.41 TWh
- Coconino County, AZ3.87 TWh
- Cochise County, AZ3.17 TWh
- Pima County, AZ2.84 TWh
- Yuma County, AZ2.73 TWh
- Navajo County, AZ2.27 TWh
- La Paz County, AZ281.25 GWh
- Yavapai County, AZ88.54 GWh
- Gila County, AZ48.76 GWh
- Santa Cruz County, AZ9.83 GWh