Pima County, AZ Power Outages
As of Nov 2, 10:45 PM EST, 9 customers in Pima County, Arizona were without power, reported by Trico Electric Cooperative Inc.
Pima County on the Arizona outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
| Utility | Customers out |
|---|---|
| Trico Electric Cooperative Inc | 9 |
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Pima County power outage history
Every significant outage recorded in Pima County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 111 significant power outages in Pima County, meaning events that left at least 1% of customers in the dark. The largest (Feb 1, 2016) came when a winter storm left 55,764 customers (11.3% of the county) without power.
From 2018 to 2025, the average customer here lost about 1 hr 29 min of power per year, close to the Arizona average of 1 hr 43 min. That ranks 12th of 15 Arizona counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 39% of all customer outage time from 2018 to 2025. On 3 days in that period, at least 5% of customers were out at the same time. Outage time in Pima County has risen recently: about 1 hr 60 min per customer per year in 2022–2025, versus 58 min in 2018–2021.
The most recent significant outage on record (Nov 12–13, 2025) affected 18,508 customers (3.8%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Feb 1, 2016 | 55,764(11.3%) | 1 | Winter storm |
| 2 | Jul 29 – Aug 1, 2023 | 54,076(11%) | 4 | Severe thunderstorms |
| 3 | Dec 20, 2017 | 43,225(8.8%) | 1 | High winds |
| 4 | Jul 15, 2024 | 38,456(7.8%) | 1 | Severe thunderstorms |
| 5 | Feb 17, 2016 | 32,778(6.7%) | 1 | High winds |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Pima County?
Electric companies with service territory in Pima County (EIA-861, 2025)
| Utility | Type | Customers (AZ) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| APS (Arizona Public Service) | Investor Owned | 1,433,294 | Reporting | |
| Tucson Electric Power (TEP) | Investor Owned | 460,504 | Not reporting | |
| Trico Electric Cooperative Inc | Cooperative | 56,123 | 9 out | |
| Sulphur Springs Valley E C Inc | Cooperative | 54,786 | Not reporting | |
| USBIA-San Carlos Project | Federal | 14,403 | Not reporting | |
| Tohono O'Odham Utility Authority | Political Subdivision | 4,047 | Not reporting | |
| Ajo Improvement Co | Investor Owned | 1,005 | Not reporting | |
| WAPA-- Western Area Power Administration | Federal | 18 | Not reporting |
Customer counts are each utility's statewide total in Arizona. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Pima County outage headlines in the past week.
Cities in Pima County
Tucson, Marana, Oro Valley, Sahuarita
Nearby counties
Pima County power outage FAQ
Is the power out in Pima County right now?
Yes. As of Nov 2, 10:45 PM EST, 9 customers in Pima County were without power according to Trico Electric Cooperative Inc.
Which electric company serves Pima County?
According to EIA-861 service territory data, Arizona Public Service Co, Tucson Electric Power Co, Trico Electric Cooperative Inc, Sulphur Springs Valley E C Inc and 4 others provide electric service in Pima County, Arizona.
What was the worst power outage in Pima County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Feb 1, 2016. It peaked at 55,764 customers without power (11.3% of the county). NOAA storm reports for that period point to winter storm.
How often does the power go out in Pima County?
EAGLE-I has recorded 111 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 1 hr 29 min of power per year, and on 3 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Pima County, AZ Power Outages." Accessed November 2, 2026. https://poweroutagetracker.com/outages/arizona/pima-county