Apache CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 1, 2025 | 2 hrs | 5,562 (18%) | High Wind |
| Mar 25, 2025 | 2 hrs | 5,228 (17%) | High Wind |
| Dec 23, 2023 | 29 hrs | 4,284 (14%) | Winter Weather |
| May 7, 2019 | <1 hr | 3,958 (13%) | Unnamed event |
| Jun 2, 2025 | 2 hrs | 3,258 (10%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Apache County, Arizona that day.
Over the 11 years from 2015 to 2025, Apache County recorded 111 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in Apache County started April 1, 2025 (High Wind), lasting 2 hours and leaving up to 5,562 customers without power (18% of the county) at its peak.
March has historically been the worst month for outages in Apache County, with 17 events recorded during that month across the dataset.
Based on this history, Apache County earns a Reliability Grade of A, placing it in the 87th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Arizona
Counties with the closest reliability grade and national percentile to Apache County.
| County | Grade | National percentile |
|---|---|---|
| Maricopa County | A | 86th |
| Pima County | A | 86th |
| Yavapai County | A | 88th |
| Coconino County | A | 86th |
| Greenlee County | A | 89th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in Apache County?
Between 2015 and 2025, Apache County recorded 111 outage events, averaging 3.6 hours each.
What is Apache County's reliability grade?
Apache County has a Reliability Grade of A, in the 87th national percentile.
What was the worst power outage in Apache County?
The worst outage on record started April 1, 2025 (High Wind), lasting 2 hours and affecting up to 5,562 customers.