massoutage

2017 Arizona Power Outage Report

In 2017, the average Arizona customer went without power for about 1.1 hours — the 46th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
1.1
Peak customers out
43,225
Rank (worst state)
46th
Counties affected
13

Arizona outages over the decade

Average hours without power per customer, 2017 highlighted.

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

Hardest-hit Arizona counties in 2017

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

1Pima County43,2252Maricopa County29,8243Yavapai County15,0174Mohave County12,6605Cochise County8,1386Yuma County7,0117Santa Cruz County4,4928La Paz County4,3099Gila County4,09510Pinal County3,86211Coconino County3,09312Navajo County2,62513Apache County901

Biggest Arizona outages of 2017

CountyBeganPeak customers out
Pima CountyDecember 20, 201743,225
Maricopa CountyJuly 14, 201729,824
Maricopa CountyJuly 31, 201726,961
Yavapai CountyApril 3, 201715,017
Maricopa CountyAugust 9, 201714,952
Pima CountyDecember 3, 201713,725
Mohave CountySeptember 6, 201712,660
Maricopa CountyJanuary 21, 201712,364
Pima CountyOctober 8, 201711,729
Pima CountyAugust 10, 201711,297
Arizona by year:20252024202320222021202020192018
Other states in 2017:FLMEWVNHGARI

Part of the 2017 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.