Power outages in Tucson, AZ
Live outages for Tucson and the surrounding area, updated every 10 minutes. Tucson has 548,371 residents.
Right now
No live outage data for Tucson yet.
Outage map
TucsonPima County
Outage history in Pima County, which includes Tucson
2014–2025 recordPima County averaged 15.7 significant outages a year in 2023–2025, about typical for Arizona counties.
In the 12 months to December 2025, there were 9. Half were over within 30 minutes; the longest lasted 6 hours, starting February 8, 2025.
The largest on record began February 1, 2016, with 55,764 customers out at once.
Outages are most common in July.
15.7significant 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.28 hourslongest on record (July 2023)
55,764most 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. |
|---|---|---|---|
| February 1, 2016 | 55,764 | 5.5 hours | 186,136 |
| July 29, 2023 | 54,076 | 28 hours | 574,533 |
| December 20, 2017 | 43,225 | 30 minutes | 14,841 |
| July 15, 2024 | 38,456 | 16 hours | 248,902 |
| February 17, 2016 | 32,778 | 45 minutes | 22,695 |
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.