Pinal County, Arizona Power Outages, 2015 to 2023

Pinal County, Arizona had 5 major outages from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.22 times the US outage time per person and 0.98 times the Arizona rate. It ranks 8 of 13 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.6major outages per year

4 of 9years with a major outage

59 hrslongest major outage

Jul, Aughardest months

July and August made up 54% of this county's outage time. The largest outage on record began Jul 18, 2022, reached 10,905 customers, and left at least 200 customers out for 59.0 hours.

Outage time per resident, rated Arizona counties

MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

200K

400K

600K

800K

2015'152016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	63,024	23	0
2016	62,345	56	0
2017	163,334	94	0
2018	395,091	107	1
2019	172,979	73	0
2020	175,348	109	0
2021	415,503	115	1
2022	750,000	153	2
2023	235,745	143	1

When outages hit

Share of this county's customer-hours by month.

20%

40%

60%

80%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Jul 18, 2022	59.0	10,905	458,360
Jul 10, 2021	30.5	15,541	158,994
Jul 9, 2018	6.8	16,371	76,896
Sep 30, 2019	20.5	3,517	42,980
Jul 10, 2018	10.2	4,161	29,850

Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.

Size your backup battery

Start with what you would keep running. Wattages are typical averages, so check your own appliances.

Phones, Wi-Fi, lights, about 60 WRefrigerator, about 60 WChest freezer, about 40 WGas furnace fan, about 160 W

Hours to cover: 24

1,700 Whof battery capacity, allowing for about 15% conversion loss

If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.

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How to read this

A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.