Power outages in Sierra Vista, AZ
Live outages for Sierra Vista and the surrounding area, updated every 10 minutes. Sierra Vista has 44,907 residents.
Right now
No live outage data for Sierra Vista yet.
Outage map
Sierra VistaCochise County
Outage history in Cochise County, which includes Sierra Vista
2014–2025 recordCochise County averaged 11 significant outages a year in 2023–2025, fewer than most Arizona counties.
In the 12 months to December 2025, there were 14. Half were over within 1 hour; the longest lasted 6 hours, starting July 23, 2025.
The largest on record began November 13, 2024, with 13,894 customers out at once.
Outages are most common in July.
11significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.1.5 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.6.5 hourslongest on record (August 2022)
13,894most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| November 13, 2024 | 13,894 | 1 hour | 10,784 |
| March 13, 2022 | 12,720 | 30 minutes | 6,343 |
| July 19, 2017 | 8,138 | 2 hours | 13,904 |
| July 23, 2025 | 8,138 | 6 hours | 4,709 |
| August 13, 2017 | 8,041 | 1.5 hours | 8,855 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.