Yakima County Power Outage History
2017–2025 · Washington
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 31, 2024 | 1 hrs | 37,233 (31%) | Unnamed event |
| Aug 7, 2017 | 4 hrs | 23,563 (19%) | Unnamed event |
| Jun 21, 2024 | 10 hrs | 20,920 (17%) | Wildfire |
| Mar 9, 2018 | 3 hrs | 14,852 (12%) | Unnamed event |
| May 8, 2024 | 2 hrs | 13,680 (11%) | Frost/Freeze |
Over the 9 years from 2017 to 2025, Yakima County recorded 829 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Yakima County started May 31, 2024, lasting 1 hours and leaving up to 37,233 customers without power (31% of the county) at its peak.
August has historically been the worst month for outages in Yakima County, with 109 events recorded during that month across the dataset.
Based on this history, Yakima County earns a Reliability Grade of B, placing it in the 80th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Yakima County's outage profile
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Similar counties in Washington
Counties with the closest reliability grade and national percentile to Yakima County.
| County | Grade | National percentile |
|---|---|---|
| Whitman County | B | 78th |
| Douglas County | A | 82nd |
| Chelan County | A | 83rd |
| Asotin County | A | 84th |
| Walla Walla County | B | 76th |
FAQ
How often does power go out in Yakima County?
Between 2017 and 2025, Yakima County recorded 829 outage events, averaging 2.5 hours each.
What is Yakima County's reliability grade?
Yakima County has a Reliability Grade of B, in the 80th national percentile.
What was the worst power outage in Yakima County?
The worst outage on record started May 31, 2024, lasting 1 hours and affecting up to 37,233 customers.