Maricopa County, AZ Power Outages
As of Nov 2, 10:45 PM EST, 16 customers in Maricopa County, Arizona were without power, reported by Arizona Public Service Co. Estimated restoration: Nov 3, 12:40 AM EST.
Maricopa County on the Arizona outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
| Utility | Customers out |
|---|---|
| Arizona Public Service Co | 16 |
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Maricopa County power outage history
Every significant outage recorded in Maricopa County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 37 significant power outages in Maricopa County, meaning events that left at least 1% of customers in the dark. The largest (Jul 9–10, 2018) came when severe thunderstorms left 109,160 customers (6.3% of the county) without power.
From 2018 to 2025, the average customer here lost about 1 hr 36 min of power per year, close to the Arizona average of 1 hr 43 min. That ranks 9th of 15 Arizona counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 19% of all customer outage time from 2018 to 2025. On 2 days in that period, at least 5% of customers were out at the same time. Outage time in Maricopa County has held roughly steady recently: about 1 hr 38 min per customer per year in 2022–2025, versus 1 hr 34 min in 2018–2021.
The most recent significant outage on record (Oct 13–14, 2025) affected 35,925 customers (2.1%) amid flooding.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 9–10, 2018 | 109,160(6.3%) | 2 | Severe thunderstorms |
| 2 | Oct 3–4, 2022 | 91,239(5.2%) | 2 | Hail and lightning |
| 3 | Sep 1, 2023 | 83,324(4.8%) | 1 | Severe thunderstorms |
| 4 | Aug 17, 2021 | 72,380(4.2%) | 1 | Severe thunderstorms |
| 5 | Aug 9–13, 2018 | 63,297(3.6%) | 5 | Severe thunderstorms |
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 Maricopa County?
Electric companies with service territory in Maricopa County (EIA-861, 2025)
| Utility | Type | Customers (AZ) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| APS (Arizona Public Service) | Investor Owned | 1,433,294 | 16 out | |
| SRP (Salt River Project) | Political Subdivision | 1,188,189 | Not reporting | |
| City of Mesa - (AZ) | Municipal | 18,291 | Not reporting | |
| USBIA-San Carlos Project | Federal | 14,403 | Not reporting | |
| Tohono O'Odham Utility Authority | Political Subdivision | 4,047 | Not reporting | |
| Gila River Indian Utility Authority (GRICUA) | Cooperative | 3,582 | Not reporting | |
| Town of Wickenburg | Municipal | 1,508 | Not reporting | |
| Electrical Dist No8 Maricopa | Political Subdivision | 705 | Not reporting | |
| Ocotillo Water Conserv. Dist. | Political Subdivision | 169 | Not reporting | |
| Buckeye Water C&D District | Political Subdivision | 120 | Not reporting | |
| Harquahala Valley Pwr District | Political Subdivision | 105 | Not reporting | |
| Maricopa County M W C Dist #1 | Political Subdivision | 100 | 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 Maricopa County outage headlines in the past week.
Cities in Maricopa County
Phoenix, Mesa, Gilbert, Chandler, Glendale, Scottsdale, Peoria, Tempe, Surprise, Buckeye
Nearby counties
Maricopa County power outage FAQ
Is the power out in Maricopa County right now?
Yes. As of Nov 2, 10:45 PM EST, 16 customers in Maricopa County were without power according to Arizona Public Service Co. The latest estimated restoration time is Nov 3, 12:40 AM EST.
Which electric company serves Maricopa County?
According to EIA-861 service territory data, Arizona Public Service Co, Salt River Project, City of Mesa - (AZ), USBIA-San Carlos Project and 9 others provide electric service in Maricopa County, Arizona.
What was the worst power outage in Maricopa County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 9–10, 2018. It peaked at 109,160 customers without power (6.3% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Maricopa County?
EAGLE-I has recorded 37 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 1 hr 36 min of power per year, and on 2 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. "Maricopa County, AZ Power Outages." Accessed November 2, 2026. https://poweroutagetracker.com/outages/arizona/maricopa-county