massoutage

2022 Arizona Power Outage Report

In 2022, the average Arizona customer went without power for about 2.0 hours — the 43rd worst of any US state that year, 1.4× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.0
Peak customers out
91,239
Rank (worst state)
43rd
Counties affected
13

Arizona outages over the decade

Average hours without power per customer, 2022 highlighted.

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

Hardest-hit Arizona counties in 2022

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

1Maricopa County91,2392Pima County23,4643Santa Cruz County18,8254Cochise County13,3255Pinal County10,9056Navajo County10,7817Yavapai County9,6158Mohave County9,2029Coconino County7,45410Yuma County5,78511Gila County3,97812La Paz County2,73113Apache County1,247

Biggest Arizona outages of 2022

CountyBeganPeak customers out
Maricopa CountyOctober 3, 202291,239
Maricopa CountyJuly 7, 202248,316
Maricopa CountySeptember 11, 202237,899
Maricopa CountyAugust 7, 202229,343
Pima CountyJuly 31, 202223,464
Maricopa CountyAugust 4, 202219,423
Santa Cruz CountyFebruary 21, 202218,825
Maricopa CountyAugust 16, 202217,521
Pima CountyAugust 23, 202215,805
Maricopa CountyOctober 15, 202215,016
Arizona by year:20252024202320212020201920182017
Other states in 2022:MENCFLWVVTAK

Part of the 2022 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.