2017 Arizona Power Outage Report

In 2017, the average Arizona customer went without power for about 1.1 hours, the 46th worst of 51 states (US average 7.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer

1.1

vs prior year

▲ 53%

vs 2016

Customer-hours out

3.5M

Peak customers out

43,347

across the state at once

EAGLE-I coverage

n/a

of AZ customers

Counties reporting

Arizona year over year

Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2017

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

CSV JSON

All 13 Arizona counties, 2017

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

CSV JSON

#	County	Hrs / customer	Customer-hours	Customers	Peak out	Events
1	La Paz County	5.8	49K	8,403	4,309	112
2	Santa Cruz County	4.5	6,018	1,340	1,340	8
3	Gila County	2.8	83K	29,489	4,095	146
4	Pinal County	2.1	193K	92,098	3,862	469
5	Yavapai County	1.9	478K	246,408	15,017	292
6	Yuma County	1.6	171K	109,100	7,011	235
7	Maricopa County	1.1	2.0M	1,742,493	29,824	278
8	Coconino County	0.7	98K	138,090	3,093	229
9	Navajo County	0.6	47K	84,388	2,625	187
10	Mohave County	0.5	80K	149,928	12,660	36
11	Pima County	0.5	231K	492,744	43,225	101
12	Cochise County	0.4	31K	80,227	8,138	59
13	Apache County	0.1	4,020	29,549	901	25

Biggest Arizona outages of 2017

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

CSV JSON

#	County	Started (UTC)	Ended (UTC)	Duration	Peak out	Customer-hours
1	Pima County, AZ	December 20, 2017 15:15	December 20, 2017 18:00	2h 45m	43,225	15K
2	Maricopa County, AZ	July 14, 2017 01:15	July 21, 2017 00:30	6d 23h	29,824	224K
3	Maricopa County, AZ	July 31, 2017 21:00	August 9, 2017 00:15	8d 3h	26,961	160K
4	Yavapai County, AZ	April 3, 2017 23:45	April 5, 2017 13:00	1d 13h	15,017	82K
5	Maricopa County, AZ	August 9, 2017 02:00	August 14, 2017 14:00	5d 12h	14,952	87K
6	Pima County, AZ	December 3, 2017 02:15	December 3, 2017 09:00	6h 45m	13,725	22K
7	Mohave County, AZ	September 6, 2017 01:30	September 6, 2017 06:00	4h 30m	12,660	27K
8	Maricopa County, AZ	January 21, 2017 01:15	January 21, 2017 22:00	20h 45m	12,364	64K
9	Pima County, AZ	October 8, 2017 10:15	October 8, 2017 20:00	9h 45m	11,729	22K
10	Pima County, AZ	August 10, 2017 23:30	August 12, 2017 11:30	1d 12h	11,297	56K
11	Maricopa County, AZ	July 21, 2017 01:15	July 28, 2017 23:30	7d 22h	9,645	75K
12	Yavapai County, AZ	July 23, 2017 22:30	July 24, 2017 21:30	23h	8,996	43K
13	Maricopa County, AZ	June 19, 2017 13:30	June 21, 2017 20:00	2d 6h	8,814	38K
14	Maricopa County, AZ	July 7, 2017 11:30	July 14, 2017 00:00	6d 12h	8,703	81K
15	Mohave County, AZ	September 3, 2017 02:15	September 3, 2017 13:45	11h 30m	8,485	33K
16	Cochise County, AZ	July 19, 2017 03:30	July 19, 2017 05:30	2h	8,138	14K
17	Cochise County, AZ	August 13, 2017 02:45	August 13, 2017 05:15	2h 30m	8,041	9,385
18	Maricopa County, AZ	July 29, 2017 02:30	July 31, 2017 20:15	2d 17h	7,956	33K
19	Pima County, AZ	October 4, 2017 22:15	October 4, 2017 22:30	15m	7,574	1,894
20	Yuma County, AZ	June 14, 2017 03:30	June 14, 2017 15:30	12h	7,011	6,149
21	Maricopa County, AZ	April 28, 2017 23:15	May 3, 2017 00:15	4d 1h	7,006	19K
22	Maricopa County, AZ	March 21, 2017 14:45	March 23, 2017 00:15	1d 9h	6,381	17K
23	Pima County, AZ	September 1, 2017 21:45	September 2, 2017 02:15	4h 30m	6,151	16K
24	Pima County, AZ	December 26, 2017 17:00	December 27, 2017 01:45	8h 45m	6,063	16K
25	Pima County, AZ	August 29, 2017 19:00	August 29, 2017 19:15	15m	5,583	1,396

EAGLE-I tracked about n/a of Arizona's electricity customers in 2017; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.

Arizona by year:2025 2024 2023 2022 2021 2020 2019 2018 2016 2015

Other states in 2017:FL ME WV NH GA RI VT NC

Part of the 2017 US Power Outage Report.

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