massoutage

2019 Arizona Power Outage Report

In 2019, the average Arizona customer went without power for about 1.3 hours — the 47th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
1.3
Peak customers out
44,798
Rank (worst state)
47th
Counties affected
13

Arizona outages over the decade

Average hours without power per customer, 2019 highlighted.

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

Hardest-hit Arizona counties in 2019

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

1Maricopa County44,7982Navajo County27,6733Yavapai County15,5814Yuma County14,1525Pima County13,6626Coconino County11,4407Mohave County10,0898Gila County8,9229Pinal County7,59910Santa Cruz County4,99611Apache County3,95812La Paz County3,70613Cochise County1,805

Biggest Arizona outages of 2019

CountyBeganPeak customers out
Maricopa CountyApril 25, 201944,798
Navajo CountyOctober 12, 201927,673
Navajo CountyNovember 25, 201916,259
Maricopa CountyAugust 28, 201916,123
Navajo CountyJanuary 12, 201915,978
Navajo CountyJanuary 1, 201915,960
Yavapai CountyNovember 29, 201915,581
Yuma CountySeptember 24, 201914,152
Maricopa CountyNovember 29, 201913,815
Pima CountyApril 13, 201913,662
Arizona by year:20252024202320222021202020182017
Other states in 2019:WVNCMILACAVT

Part of the 2019 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.