massoutage

2015 Arizona Power Outage Report

In 2015, the average Arizona customer went without power for about 0.4 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
0.4
Peak customers out
21,506
Rank (worst state)
47th
Counties affected
6

Arizona outages over the decade

Average hours without power per customer, 2015 highlighted.

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

Hardest-hit Arizona counties in 2015

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

1Maricopa County21,5062Pima County9,1713Pinal County6,0854Navajo County5,6945Apache County2,0966Gila County713

Biggest Arizona outages of 2015

CountyBeganPeak customers out
Maricopa CountyOctober 18, 201521,506
Maricopa CountyAugust 31, 201520,854
Maricopa CountyNovember 9, 201520,800
Maricopa CountyAugust 29, 201516,713
Pima CountyOctober 18, 20159,171
Maricopa CountyNovember 17, 20158,898
Pima CountyAugust 22, 20156,888
Pima CountyDecember 2, 20156,763
Maricopa CountyAugust 10, 20156,457
Pinal CountyAugust 11, 20156,085
Arizona by year:20252024202320222021202020192018
Other states in 2015:WVWANCMIRILA

Part of the 2015 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.