massoutage

2023 Arizona Power Outage Report

In 2023, the average Arizona customer went without power for about 2.0 hours, the 45th worst of 51 states (US average 6.7 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
2.0
vs prior year
▼ 1%
vs 2022
Customer-hours out
6.5M
Peak customers out
92,227
across the state at once
EAGLE-I coverage
n/a
of AZ customers
Counties reporting
14

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, 2023

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

CSVJSON
Arizona customer-hours without power by month, 2023Jan 556K, Feb 742K, Mar 298K, Apr 194K, May 298K, Jun 235K, Jul 1.6M, Aug 726K, Sep 1.0M, Oct 257K, Nov 225K, Dec 311K0500k1M1.5M2M556KJan742KFeb298KMar194KApr298KMay235KJun1.6MJul726KAug1.0MSep257KOct225KNov311KDec
Use the arrow keys to read values.

All 14 Arizona counties, 2023

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Santa Cruz County23.431K1,3401,34047
2Gila County6.7196K29,4897,836252
3Pima County3.61.8M492,74454,076324
4Navajo County3.4287K84,38810,085379
5La Paz County3.227K8,4031,70547
6Pinal County3.2291K92,0987,552592
7Coconino County3.0414K138,09010,604290
8Greenlee County1.95,1142,73562080
9Apache County1.955K29,5494,284140
10Yuma County1.8193K109,1009,794269
11Maricopa County1.62.8M1,742,49383,324477
12Yavapai County1.4340K246,4087,882424
13Mohave County0.453K149,9285,513112
14Cochise County0.327K80,2274,77193

Biggest Arizona outages of 2023

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Maricopa County, AZSeptember 1, 2023 01:30September 2, 2023 19:301d 18h83,324317K
2Pima County, AZJuly 24, 2023 02:15August 18, 2023 19:1525d 17h54,076861K
3Maricopa County, AZJuly 27, 2023 04:15July 31, 2023 23:304d 19h46,077170K
4Maricopa County, AZSeptember 12, 2023 13:45September 16, 2023 03:303d 13h43,095257K
5Pima County, AZJanuary 6, 2023 13:15January 23, 2023 09:3016d 20h20,927121K
6Pima County, AZJuly 17, 2023 17:15July 23, 2023 20:006d 2h20,224197K
7Pima County, AZAugust 21, 2023 15:30September 15, 2023 18:4525d 3h18,896168K
8Maricopa County, AZFebruary 21, 2023 14:45February 23, 2023 13:151d 22h13,19588K
9Coconino County, AZFebruary 22, 2023 06:30February 24, 2023 19:302d 13h10,604174K
10Maricopa County, AZMay 19, 2023 00:15May 20, 2023 05:151d 5h10,35146K
11Navajo County, AZDecember 20, 2023 17:45December 21, 2023 00:006h 15m10,0852,541
12Pima County, AZJuly 11, 2023 05:45July 13, 2023 21:452d 16h9,99737K
13Navajo County, AZFebruary 22, 2023 02:30March 3, 2023 16:159d 13h9,87755K
14Yuma County, AZAugust 20, 2023 19:00August 22, 2023 03:151d 8h9,79445K
15Pima County, AZFebruary 14, 2023 15:15February 18, 2023 00:153d 9h9,54019K
16Maricopa County, AZJune 9, 2023 03:30June 11, 2023 06:302d 3h9,02820K
17Maricopa County, AZDecember 4, 2023 14:45December 6, 2023 14:001d 23h8,97633K
18Maricopa County, AZMarch 2, 2023 15:00March 2, 2023 23:008h8,96412K
19Maricopa County, AZDecember 21, 2023 04:45December 21, 2023 12:007h 15m8,87610K
20Maricopa County, AZFebruary 14, 2023 08:00February 16, 2023 01:001d 17h8,60022K
21Maricopa County, AZJuly 16, 2023 21:45July 25, 2023 09:008d 11h8,580102K
22Pima County, AZDecember 11, 2023 15:15December 11, 2023 20:004h 45m8,51011K
23Yavapai County, AZFebruary 22, 2023 06:45February 24, 2023 00:301d 17h7,88240K
24Gila County, AZJuly 5, 2023 03:15July 5, 2023 10:157h7,8363,960
25Maricopa County, AZOctober 5, 2023 13:30October 7, 2023 21:152d 7h7,82320K
EAGLE-I tracked about n/a of Arizona's electricity customers in 2023; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.

Part of the 2023 US Power Outage Report.

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