massoutage

2024 Arizona Power Outage Report

In 2024, the average Arizona customer went without power for about 1.7 hours — the 48th worst of any US state that year, 1.2× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
1.7
Peak customers out
718,642
Rank (worst state)
48th
Counties affected
14

Arizona outages over the decade

Average hours without power per customer, 2024 highlighted.

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

Hardest-hit Arizona counties in 2024

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

1Cochise County718,6422Pima County38,4563Maricopa County33,7724Pinal County33,5805Yavapai County26,6406Mohave County10,2827Navajo County7,8588Coconino County6,3709Yuma County4,50310La Paz County4,37211Gila County3,61112Santa Cruz County2,65513Apache County2,10814Greenlee County219

Biggest Arizona outages of 2024

CountyBeganPeak customers out
Cochise CountyJuly 3, 2024718,642
Pima CountyJuly 15, 202438,456
Maricopa CountyJuly 19, 202433,772
Pinal CountyApril 23, 202433,580
Yavapai CountyJuly 12, 202426,640
Yavapai CountyAugust 7, 202423,333
Maricopa CountyNovember 26, 202423,017
Pima CountyJuly 11, 202420,461
Maricopa CountyAugust 22, 202419,720
Pima CountyJune 22, 202416,549
Arizona by year:20252023202220212020201920182017
Other states in 2024:NCSCMEGATXFL

Part of the 2024 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.