Electricity Generation Aggregated by Arizona County
| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|---|---|---|
| #1 | Maricopa County, AZ | 78.0 TWh | 97 |
| #2 | Mohave County, AZ | 10.2 TWh | 18 |
| #3 | Apache County, AZ | 7.9 TWh | 4 |
| #4 | Pinal County, AZ | 6.4 TWh | 28 |
| #5 | Coconino County, AZ | 4.2 TWh | 11 |
| #6 | Pima County, AZ | 3.1 TWh | 42 |
| #7 | Cochise County, AZ | 2.9 TWh | 13 |
| #8 | Yuma County, AZ | 2.8 TWh | 17 |
| #9 | Navajo County, AZ | 2.1 TWh | 11 |
| #10 | La Paz County, AZ | 112.4 GWh | 17 |
| #11 | Yavapai County, AZ | 92.2 GWh | 7 |
| #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, AZ78.00 TWh
- Mohave County, AZ10.18 TWh
- Apache County, AZ7.92 TWh
- Pinal County, AZ6.44 TWh
- Coconino County, AZ4.16 TWh
- Pima County, AZ3.11 TWh
- Cochise County, AZ2.95 TWh
- Yuma County, AZ2.77 TWh
- Navajo County, AZ2.12 TWh
- La Paz County, AZ112.37 GWh
- Yavapai County, AZ92.23 GWh
- Gila County, AZ48.76 GWh
- Santa Cruz County, AZ9.83 GWh