massoutage

2019 Arizona Power Outage Report

In 2019, the average Arizona customer went without power for about 1.3 hours, the 47th worst of 51 states (US average 4.6 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
1.3
vs prior year
▼ 36%
vs 2018
Customer-hours out
4.0M
Peak customers out
52,750
across the state at once
EAGLE-I coverage
86%
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, 2019

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

CSVJSON
Arizona customer-hours without power by month, 2019Jan 354K, Feb 338K, Mar 312K, Apr 365K, May 364K, Jun 236K, Jul 127K, Aug 97K, Sep 298K, Oct 333K, Nov 936K, Dec 247K0250k500k750k1M354KJan338KFeb312KMar365KApr364KMay236KJun127KJul97KAug298KSep333KOct936KNov247KDec
Use the arrow keys to read values.

All 13 Arizona counties, 2019

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1La Paz County18.8158K8,4033,706101
2Santa Cruz County15.421K1,3401,34042
3Navajo County5.5460K84,38827,673264
4Gila County5.0148K29,4898,922128
5Yuma County3.3355K109,10014,152279
6Pinal County2.3210K92,0987,599427
7Coconino County1.5213K138,09011,440150
8Yavapai County1.5369K246,40815,581240
9Maricopa County1.01.7M1,742,49344,798308
10Apache County0.719K29,5493,958201
11Pima County0.5269K492,74413,662221
12Mohave County0.459K149,92810,08999
13Cochise County0.213K80,2271,80555

Biggest Arizona outages of 2019

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Maricopa County, AZApril 25, 2019 02:00April 27, 2019 11:002d 9h44,79834K
2Navajo County, AZOctober 12, 2019 10:15October 12, 2019 14:304h 15m27,67354K
3Navajo County, AZNovember 25, 2019 15:00December 3, 2019 21:308d 6h16,25939K
4Maricopa County, AZAugust 28, 2019 21:45August 30, 2019 17:001d 19h16,12349K
5Navajo County, AZJanuary 12, 2019 16:45January 14, 2019 14:301d 21h15,97818K
6Navajo County, AZJanuary 1, 2019 02:30January 2, 2019 07:151d 4h15,96085K
7Yavapai County, AZNovember 29, 2019 04:00December 3, 2019 04:004d15,581211K
8Yuma County, AZSeptember 24, 2019 02:15September 25, 2019 15:151d 13h14,15266K
9Maricopa County, AZNovember 29, 2019 06:30November 30, 2019 22:001d 15h13,81590K
10Pima County, AZApril 13, 2019 10:00April 13, 2019 22:4512h 45m13,66234K
11Maricopa County, AZSeptember 23, 2019 07:30October 1, 2019 00:157d 16h12,71980K
12Coconino County, AZNovember 29, 2019 10:30December 1, 2019 16:002d 5h11,440162K
13Maricopa County, AZDecember 22, 2019 23:15December 27, 2019 03:454d 4h11,10032K
14Pima County, AZJanuary 16, 2019 16:45January 16, 2019 18:151h 30m10,21510K
15Mohave County, AZApril 24, 2019 17:15April 25, 2019 00:457h 30m10,08910K
16Maricopa County, AZMay 25, 2019 14:30May 26, 2019 09:3019h10,02914K
17Maricopa County, AZApril 3, 2019 01:15April 5, 2019 09:452d 8h9,73446K
18Pima County, AZJuly 13, 2019 23:45July 14, 2019 12:1512h 30m9,48118K
19Navajo County, AZNovember 21, 2019 01:30November 25, 2019 00:153d 22h9,160168K
20Maricopa County, AZMay 13, 2019 01:45May 23, 2019 21:4510d 20h8,97070K
21Gila County, AZApril 19, 2019 22:30April 20, 2019 00:151h 45m8,92215K
22Maricopa County, AZMarch 9, 2019 09:15March 12, 2019 00:152d 15h8,74829K
23Pima County, AZJuly 25, 2019 01:15July 26, 2019 20:001d 18h8,67614K
24Maricopa County, AZJanuary 23, 2019 23:15January 25, 2019 00:001d8,6317,360
25Maricopa County, AZSeptember 1, 2019 08:15September 3, 2019 08:152d8,52525K
EAGLE-I tracked about 86% of Arizona's electricity customers in 2019; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Arizona by year:2025202420232022202120202018201720162015
Other states in 2019:WVMINCLACAVTVAAR

Part of the 2019 US Power Outage Report.

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