PowerOutageHistory
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Cochise County Power Outage History

2017–2025 · Arizona

Top 20% most reliable nationally — infrequent, short outages. How grades are calculated

Total events
183
Avg duration
1.8 hrs
Longest outage
50 hrs
National percentile
96th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 21, 20222 hrs13,325 (16%)Drought
Mar 13, 20221 hrs12,720 (16%)Unnamed event
Jul 19, 20172 hrs8,138 (10%)Wildfire
Jul 23, 20251 hrs8,138 (10%)Drought
Aug 13, 20173 hrs8,041 (10%)Unnamed event

Over the 9 years from 2017 to 2025, Cochise County recorded 183 distinct power outage events, averaging 1.8 hours per event.

The single worst outage on record in Cochise County started June 21, 2022 (Drought), lasting 2 hours and leaving up to 13,325 customers without power (16% of the county) at its peak.

July has historically been the worst month for outages in Cochise County, with 55 events recorded during that month across the dataset.

Based on this history, Cochise County earns a Reliability Grade of A, placing it in the 96th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Cochise County's outage profile

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Similar counties in Arizona

Counties with the closest reliability grade and national percentile to Cochise County.

CountyGradeNational percentile
Mohave CountyA93rd
Graham CountyA100th
Yuma CountyA89th
Greenlee CountyA89th
Yavapai CountyA88th

FAQ

How often does power go out in Cochise County?

Between 2017 and 2025, Cochise County recorded 183 outage events, averaging 1.8 hours each.

What is Cochise County's reliability grade?

Cochise County has a Reliability Grade of A, in the 96th national percentile.

What was the worst power outage in Cochise County?

The worst outage on record started June 21, 2022 (Drought), lasting 2 hours and affecting up to 13,325 customers.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.