Power outages in Maricopa County, AZ
We don't have a live outage feed for the utilities serving Maricopa County yet. Arizona Public Service Co, Salt River Project and City of Mesa - (AZ) serve this county.
Right now
No live outage data for Maricopa County yet.
i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.Outage map
Outage history in Maricopa County
2014–2025 recordMaricopa County averaged 4 significant outages a year in 2023–2025, fewer than most Arizona counties.
In the 12 months to December 2025, there were 5. Half were over within 1.5 hours; the longest lasted 4 hours, starting October 13, 2025.
The largest on record began July 9, 2018, with 109,160 customers out at once.
Outages are most common in August.
i
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.i
Half of significant outages here ended sooner than this, and half lasted longer.| 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. |
|---|---|---|---|
| July 9, 2018 | 109,160 | 12 hours | 437,803 |
| October 3, 2022 | 91,239 | 6 hours | 387,496 |
| September 1, 2023 | 83,324 | 6 hours | 228,656 |
| August 17, 2021 | 72,380 | 8 hours | 302,080 |
| August 9, 2018 | 63,297 | 5.5 hours | 215,119 |
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.
Cities in Maricopa County
Utilities
- Arizona Public Service Co no live feed
- Salt River Project no live feed
- City of Mesa - (AZ) no live feed
- USBIA-San Carlos Project no live feed
- Gila River Indian Utility Authority (GRICUA) no live feed
- All Arizona outages