PowerOutageHistory

Arizona Power Outage History

15 counties tracked, 2014–2025. County-level reliability grades and outage frequency below.

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Counties tracked
15
Avg national percentile
80th
Higher = more reliable
Grade F counties
0

Arizona county map

Mohave County: Grade A (click for details)Santa Cruz County: Grade B (click for details)Coconino County: Grade A (click for details)La Paz County: Grade D (click for details)Gila County: Grade C (click for details)Pima County: Grade A (click for details)Greenlee County: Grade A (click for details)Pinal County: Grade B (click for details)Navajo County: Grade B (click for details)Yuma County: Grade A (click for details)Maricopa County: Grade A (click for details)Graham County: Grade ACochise County: Grade A (click for details)Apache County: Grade A (click for details)Yavapai County: Grade A (click for details)

Hover a county for its reliability grade

Reliability grade:ABCDF

County rankings (worst to best)

CountyGradeNational percentile
La Paz CountyD36th
Gila CountyC51st
Navajo CountyB72nd
Pinal CountyB74th
Santa Cruz CountyB75th
Coconino CountyA86th
Pima CountyA86th
Maricopa CountyA86th
Apache CountyA87th
Yavapai CountyA88th
Greenlee CountyA89th
Yuma CountyA89th
Mohave CountyA93rd
Cochise CountyA96th
Graham CountyNot ranked—