Power Outages in Pima County, AZ
As of October 15, 2026 00:30 UTC, about 7 customers are without power in Pima County, AZ across 1 reported incident. Arizona Public Service Co, Sulphur Springs Valley E C Inc and Trico Electric Cooperative Inc publish only a system-wide total, not county figures. There is no live feed for Ajo Improvement Co, Tohono O'Odham Utility Authority, Tucson Electric Power Co, USBIA-San Carlos Project and WAPA-- Western Area Power Administration, so outages in their service area aren't counted. In 2025, the average customer here lost power for about 1.0 hours.
Pima County, AZ is served by 8 tracked utilities.
Cite this data
- URL
- https://massoutage.com/arizona/pima-county
- As of
- October 15, 2026 00:30 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Pima County, AZ", live data as of October 15, 2026 00:30 UTC. https://massoutage.com/arizona/pima-county
Not counted: no live feed for Ajo Improvement Co, Tohono O'Odham Utility Authority, Tucson Electric Power Co, USBIA-San Carlos Project and WAPA-- Western Area Power Administration.
0.0%of this county's ~456,766 customers are served by utilities with a county-level live feed.
We can't see outages for: Ajo Improvement Co, Tohono O'Odham Utility Authority, Tucson Electric Power Co, USBIA-San Carlos Project, WAPA-- Western Area Power Administration. Their customers are not in any number on this page; check their own outage maps.
System-wide total only, no county split: Arizona Public Service Co, Sulphur Springs Valley E C Inc, Trico Electric Cooperative Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Arizona Public Service Co | Live · total only | not by county | - | - | - | - | - | - |
| Sulphur Springs Valley E C Inc | Live · total only | not by county | - | - | - | - | - | - |
| Trico Electric Cooperative Inc | Live · total only | not by county | - | - | - | - | - | - |
| Ajo Improvement Co | No live feed | can't see | - | - | - | - | - | - |
| Tohono O'Odham Utility Authority | No live feed | can't see | - | - | - | - | - | - |
| Tucson Electric Power Co | No live feed | can't see | - | - | - | - | - | - |
| USBIA-San Carlos Project | No live feed | can't see | - | - | - | - | - | - |
| WAPA-- Western Area Power Administration | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Pima Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (43)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 85710 | 700 | 15 | 567 | ≤11 |
| 85614 | 666 | 14 | 562 | ≤11 |
| 85705 | 495 | ≤11 | 407 | ≤11 |
| 85713 | 391 | ≤11 | 301 | ≤11 |
| 85711 | 387 | ≤11 | 314 | ≤11 |
| 85730 | 376 | ≤11 | 313 | ≤11 |
| 85704 | 338 | ≤11 | 272 | ≤11 |
| 85706 | 331 | ≤11 | 253 | 19 |
| 85712 | 311 | ≤11 | 261 | ≤11 |
| 85743 | 309 | ≤11 | 248 | ≤11 |
| 85745 | 290 | ≤11 | 211 | ≤11 |
| 85718 | 287 | ≤11 | 208 | ≤11 |
| 85746 | 259 | ≤11 | 194 | ≤11 |
| 85741 | 253 | ≤11 | 197 | ≤11 |
| 85750 | 252 | ≤11 | 182 | ≤11 |
| 85716 | 240 | ≤11 | 175 | ≤11 |
| 85742 | 239 | ≤11 | 184 | ≤11 |
| 85641 | 235 | ≤11 | 190 | ≤11 |
| 85755 | 233 | ≤11 | 167 | ≤11 |
| 85737 | 233 | ≤11 | 171 | ≤11 |
| 85715 | 230 | ≤11 | 184 | ≤11 |
| 85756 | 228 | ≤11 | 187 | ≤11 |
| 85749 | 225 | ≤11 | 178 | ≤11 |
| 85747 | 222 | ≤11 | 174 | ≤11 |
| 85653 | 198 | ≤11 | 155 | ≤11 |
| 85748 | 192 | ≤11 | 150 | ≤11 |
| 85629 | 185 | ≤11 | 152 | ≤11 |
| 85719 | 183 | ≤11 | 142 | ≤11 |
| 85622 | 167 | ≤11 | 138 | ≤11 |
| 85735 | 113 | ≤11 | 94 | ≤11 |
| 85757 | 107 | ≤11 | 85 | ≤11 |
| 85714 | 86 | ≤11 | 69 | 0 |
| 85701 | 83 | ≤11 | 63 | ≤11 |
| 85736 | 43 | 0 | 34 | ≤11 |
| 85321 | 35 | ≤11 | 29 | 0 |
| 85637 | 23 | ≤11 | 18 | ≤11 |
| 85634 | 22 | ≤11 | ≤11 | ≤11 |
| 85601 | 16 | 0 | 16 | 0 |
| 85708 | ≤11 | ≤11 | ≤11 | 0 |
| 85707 | ≤11 | 0 | ≤11 | 0 |
| 85639 | ≤11 | ≤11 | ≤11 | 0 |
| 85619 | ≤11 | 0 | ≤11 | 0 |
| 85341 | ≤11 | 0 | ≤11 | 0 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Pima County or any town and utility in it.
No active NWS alerts for Pima County right now.
Pima County has been under 173 National Weather Service alerts recently, most recently a Wind Advisory on October 17, 2026.
- Flash Flood Warning ×67
- Severe Thunderstorm Warning ×37
- Flood Advisory ×29
- Wind Advisory ×15
- Flood Watch ×10
- Flood Warning ×7
Hardest-hit cities in Pima County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Pima Countyisn't available yet.
Historical reliability
In 2025, the average customer in Pima County went about 1.0 hours without power. Peak simultaneous outage on record reached 55,764 customers.
The US EIA reports Arizona utilities averaged 1.2 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 1.0 hrs.
Worst year here was 2023 (peak 54,076 customers out) · decade average 1.3 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 109 | 9,171 | 0.3 |
| 2016 | 275 | 55,764 | 1.4 |
| 2017 | 101 | 43,225 | 0.5 |
| 2018 | 293 | 12,332 | 0.7 |
| 2019 | 221 | 13,662 | 0.5 |
| 2020 | 304 | 21,950 | 0.8 |
| 2021 | 320 | 27,249 | 1.9 |
| 2022 | 238 | 23,464 | 1.3 |
| 2023 | 324 | 54,076 | 3.6 |
| 2024 | 449 | 38,456 | 2.1 |
| 2025 | 287 | 18,508 | 1.0 |
Cost of power in Pima County
ENERGY & AI DEMAND →Estimated residential electricity price for Pima County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- Arizona Public Service Co17.0¢1,287,097 cust
- Tucson Electric Power Co14.9¢416,268 cust
- Trico Electric Cooperative Inc14.3¢53,721 cust
- Sulphur Springs Valley E C Inc14.6¢46,398 cust
- USBIA-San Carlos Project16.4¢12,018 cust
- Ajo Improvement Co13.5¢808 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.
Relatively High wildfire exposure · 1.3 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively moderate: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Pima County: FAQ
- How often does Pima County, AZ lose power?
- Based on EAGLE-I records, Pima County, AZ logged 287 distinct outage events in 2025, averaging about 1.0 hours without power per customer over the year.
- What was the worst power outage in Pima County, AZ?
- The largest tracked outage peaked at 55,764 customers without power, beginning February 1, 2016 and lasting about 11h 15m.
- Is there a power outage in Pima County, AZ right now?
- Yes, about 7 customers are currently without power across 1 reported incident(s).
- Which utilities serve Pima County, AZ?
- Tracked electric providers include Arizona Public Service Co, Sulphur Springs Valley E C Inc, Trico Electric Cooperative Inc.
Tucson, Marana, Oro Valley. Outage counts for these communities are reported at the Pima County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Pima County (showing 40 of 51).
85321, 85341, 85601, 85614, 85619, 85622, 85629, 85633, 85634, 85639, 85641, 85645, 85653, 85654, 85701, 85704, 85705, 85706, 85707, 85708, 85709, 85710, 85711, 85712, 85713, 85714, 85715, 85716, 85718, 85719, 85721, 85723, 85724, 85726, 85730, 85734, 85735, 85736, 85737, 85741
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Arizona Public Service Co | 1.2 hrs | Live · total only | - |
| Sulphur Springs Valley E C Inc | 1.5 hrs | Live · total only | - |
| Trico Electric Cooperative Inc | 1.5 hrs | Live · total only | - |
| Tucson Electric Power Co | 0.7 hrs | No live feed | - |
| WAPA-- Western Area Power Administration | - | No live feed | - |
| USBIA-San Carlos Project | - | No live feed | - |
| Tohono O'Odham Utility Authority | - | No live feed | - |
| Ajo Improvement Co | - | No live feed | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Arizona customers). Machine-readable data: /api/v1/counties/04019 and /api/v1/counties/04019/history. Live data as of .