massoutage

2022 Arizona Power Outage Report

In 2022, the average Arizona customer went without power for about 2.0 hours, the 43rd worst of 51 states (US average 6.2 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
2.0
vs prior year
▲ 7%
vs 2021
Customer-hours out
6.5M
Peak customers out
96,030
across the state at once
EAGLE-I coverage
91%
of AZ customers
Counties reporting
13

Arizona year over year

Arizona: average hours without power per customer by year2015: 0.4h; 2016: 0.7h; 2017: 1.1h; 2018: 1.9h, coverage 87%; 2019: 1.3h, coverage 86%; 2020: 1.3h, coverage 90%; 2021: 1.9h, coverage 91%; 2022: 2.0h, coverage 91%; 2023: 2.0h; 2024: 1.6h; 2025: 1.6h01230%50%100%0.4h20150.7h20161.1h20171.9h20181.3h20191.3h20201.9h20212.0h20222.0h20231.6h20241.6h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2022

Customer-hours without power across Arizona; July was the worst.

CSVJSON
Arizona customer-hours without power by month, 2022Jan 354K, Feb 219K, Mar 214K, Apr 239K, May 298K, Jun 636K, Jul 1.5M, Aug 1.0M, Sep 724K, Oct 839K, Nov 269K, Dec 225K0500k1M1.5M354KJan219KFeb214KMar239KApr298KMay636KJun1.5MJul1.0MAug724KSep839KOct269KNov225KDec
Use the arrow keys to read values.

All 13 Arizona counties, 2022

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Santa Cruz County21.529K1,3401,34065
2Pinal County9.0831K92,09810,905459
3La Paz County7.765K8,4032,73156
4Gila County6.5191K29,4893,978207
5Navajo County3.2271K84,38810,781566
6Maricopa County1.93.4M1,742,49391,239463
7Mohave County1.9290K149,9289,202111
8Coconino County1.7229K138,0907,454253
9Yavapai County1.6385K246,4089,615450
10Pima County1.3635K492,74423,464238
11Cochise County1.296K80,22713,325109
12Yuma County1.0111K109,1005,785281
13Apache County0.412K29,5491,247360

Biggest Arizona outages of 2022

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Maricopa County, AZOctober 3, 2022 15:00October 5, 2022 13:451d 22h91,239457K
2Maricopa County, AZJuly 7, 2022 10:45July 28, 2022 05:0020d 18h48,316606K
3Maricopa County, AZSeptember 11, 2022 13:30September 13, 2022 22:302d 9h37,89997K
4Maricopa County, AZAugust 7, 2022 10:30August 16, 2022 22:309d 12h29,343177K
5Pima County, AZJuly 31, 2022 21:15August 1, 2022 20:1523h23,46439K
6Maricopa County, AZAugust 4, 2022 10:45August 7, 2022 09:302d 22h19,42351K
7Maricopa County, AZAugust 16, 2022 23:15August 28, 2022 05:3011d 6h17,521266K
8Pima County, AZAugust 23, 2022 15:30August 27, 2022 20:454d 5h15,80568K
9Maricopa County, AZOctober 15, 2022 01:30October 19, 2022 00:153d 22h15,016107K
10Cochise County, AZJune 21, 2022 22:15June 22, 2022 03:455h 30m13,32516K
11Cochise County, AZMarch 13, 2022 22:45March 13, 2022 23:1530m12,7206,343
12Pima County, AZJune 1, 2022 11:00June 29, 2022 23:3028d 12h12,48368K
13Maricopa County, AZJanuary 17, 2022 12:00January 18, 2022 00:1512h 15m12,24433K
14Maricopa County, AZJanuary 26, 2022 14:45January 27, 2022 09:1518h 30m12,00916K
15Maricopa County, AZJuly 28, 2022 05:45August 1, 2022 23:004d 17h11,34577K
16Pinal County, AZJuly 16, 2022 00:00July 22, 2022 21:456d 21h10,905466K
17Navajo County, AZAugust 11, 2022 21:45August 12, 2022 04:006h 15m10,78112K
18Navajo County, AZAugust 3, 2022 15:15August 3, 2022 23:007h 45m10,5512,673
19Pima County, AZMarch 29, 2022 02:00March 29, 2022 23:4521h 45m10,10718K
20Pima County, AZMarch 2, 2022 20:15March 3, 2022 04:308h 15m9,8432,476
21Yavapai County, AZAugust 24, 2022 16:15August 25, 2022 00:308h 15m9,6157,511
22Maricopa County, AZFebruary 25, 2022 05:00February 26, 2022 10:001d 5h9,51713K
23Mohave County, AZJune 10, 2022 05:15June 10, 2022 06:301h 15m9,2029,349
24Maricopa County, AZMay 26, 2022 14:00May 28, 2022 19:452d 5h9,14825K
25Maricopa County, AZFebruary 8, 2022 08:30February 8, 2022 22:3014h8,86826K
EAGLE-I tracked about 91% of Arizona's electricity customers in 2022; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Arizona by year:2025202420232021202020192018201720162015
Other states in 2022:MEFLWVNCVTAKMIVA

Part of the 2022 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.