Navajo County, Arizona Power Outages, 2015 to 2023

Navajo County, Arizona had 14 major outages from 2015 to 2023

Below middle outage time among US counties

Residents here averaged 0.68 times the US outage time per person and 3.12 times the Arizona rate. It ranks 3 of 13 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.6major outages per year

6 of 9years with a major outage

62 hrslongest major outage

Jan, Novhardest months

January and November made up 33% of this county's outage time. The largest outage on record began Nov 21, 2019, reached 9,160 customers, and left at least 200 customers out for 62.5 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	46,734	25	0
2016	22,720	9	0
2017	21,208	19	0
2018	328,392	64	3
2019	413,992	52	5
2020	156,674	54	1
2021	201,177	75	1
2022	204,408	87	2
2023	253,775	62	2

When outages hit

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

10%

15%

20%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Nov 21, 2019	62.5	9,160	165,892
Jun 4, 2018	23.2	5,806	134,703
Jan 1, 2019	24.0	15,960	69,706
Jan 2, 2023	26.8	5,677	68,719
Sep 29, 2020	5.8	13,126	66,373

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.