massoutage

2025 Arizona Power Outage Report

In 2025, the average Arizona customer went without power for about 1.6 hours — the 50th worst of any US state that year, 1.1× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
1.6
Peak customers out
62,447
Rank (worst state)
50th
Counties affected
15

Arizona outages over the decade

Average hours without power per customer, 2025 highlighted.

0.4h20150.7h20161.1h20171.9h20181.3h20191.3h20201.9h20212.0h20222.1h20231.7h20241.6h2025

Hardest-hit Arizona counties in 2025

By peak customers out during the year's worst event.

1Maricopa County62,4472Yuma County19,0283Pima County18,5084Navajo County13,0675Mohave County9,9996Pinal County8,5767Cochise County8,1388Gila County5,8499Apache County5,56210Yavapai County5,42711Coconino County4,90412Santa Cruz County2,48713La Paz County1,62614Greenlee County80215Graham County6

Biggest Arizona outages of 2025

CountyBeganPeak customers out
Maricopa CountyAugust 24, 202562,447
Maricopa CountyOctober 12, 202535,925
Maricopa CountyAugust 19, 202521,519
Maricopa CountyMay 6, 202519,365
Yuma CountySeptember 5, 202519,028
Maricopa CountyAugust 10, 202518,927
Pima CountyAugust 27, 202518,508
Maricopa CountyMarch 7, 202517,036
Maricopa CountyJuly 2, 202514,184
Navajo CountyApril 19, 202513,067
Arizona by year:20242023202220212020201920182017
Other states in 2025:WVMIAKPANCMO

Part of the 2025 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.