Power Outages in Santa Cruz County, AZ
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 UNS Electric, Inc. In 2025, the average customer here lost power for about 22.3 hours.
Santa Cruz County, AZ is served by 4 tracked utilities.
Cite this data
- URL
- https://massoutage.com/arizona/santa-cruz-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in Santa Cruz County, AZ". https://massoutage.com/arizona/santa-cruz-county
Arizona Public Service Co, Sulphur Springs Valley E C Inc and Trico Electric Cooperative Inc publish no county-level figures.
No live feed for UNS Electric, Inc: outages in itsservice area won't show here.
0.0%of this county's ~20,697 customers are served by utilities with a county-level live feed.
We can't see outages for: UNS Electric, Inc. 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 | - | - | - | - | - | - |
| UNS Electric, Inc | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Santa Cruz 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 (7)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 85621 | 175 | ≤11 | 133 | ≤11 |
| 85648 | 113 | 0 | 78 | ≤11 |
| 85624 | 24 | 0 | 16 | ≤11 |
| 85645 | 20 | 0 | 18 | 0 |
| 85646 | 18 | 0 | 16 | 0 |
| 85611 | 13 | 0 | ≤11 | 0 |
| 85640 | ≤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 Santa Cruz County or any town and utility in it.
No active NWS alerts for Santa Cruz County right now.
Santa Cruz County has been under 42 National Weather Service alerts recently, most recently a Wind Advisory on October 17, 2026.
- Flood Advisory ×10
- Flood Watch ×10
- Wind Advisory ×9
- Severe Thunderstorm Warning ×8
- High Wind Warning ×3
- Flash Flood Warning ×2
Hardest-hit cities in Santa Cruz County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Santa Cruz County went about 22.3 hours without power. Peak simultaneous outage on record reached 1,340 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 22.3 hrs.
Worst year here was 2023 (peak 1,340 customers out) · decade average 16.7 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2016 | 24 | 1,340 | 11.9 |
| 2017 | 8 | 1,340 | 4.5 |
| 2018 | 35 | 1,340 | 20.3 |
| 2019 | 42 | 1,340 | 15.4 |
| 2020 | 83 | 1,340 | 9.9 |
| 2021 | 42 | 1,340 | 15.6 |
| 2022 | 65 | 1,340 | 21.5 |
| 2023 | 47 | 1,340 | 23.4 |
| 2024 | 59 | 1,340 | 22.5 |
| 2025 | 61 | 1,340 | 22.3 |
Cost of power in Santa Cruz County
ENERGY & AI DEMAND →Estimated residential electricity price for Santa Cruz 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
- UNS Electric, Inc17.0¢95,288 cust
- Trico Electric Cooperative Inc14.3¢53,721 cust
- Sulphur Springs Valley E C Inc14.6¢46,398 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 · 16.7 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability very high: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Santa Cruz County: FAQ
- How often does Santa Cruz County, AZ lose power?
- Based on EAGLE-I records, Santa Cruz County, AZ logged 61 distinct outage events in 2025, averaging about 22.3 hours without power per customer over the year.
- What was the worst power outage in Santa Cruz County, AZ?
- The largest tracked outage peaked at 1,340 customers without power, beginning August 9, 2021 and lasting about 3h 45m.
- Is there a power outage in Santa Cruz County, AZ right now?
- No major outage is currently reported for Santa Cruz County, AZ. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Santa Cruz County, AZ?
- Tracked electric providers include Sulphur Springs Valley E C Inc.
Outages are tracked at the county level; these ZIP codes fall within Santa Cruz County.
85611, 85621, 85624, 85637, 85640, 85646, 85648
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 | - |
| Trico Electric Cooperative Inc | 1.5 hrs | Live · total only | - |
| Sulphur Springs Valley E C Inc | 1.5 hrs | Live · total only | - |
| UNS Electric, Inc | 1.4 hrs | 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/04023 and /api/v1/counties/04023/history.