Spokane County Power Outage History
2014–2025 · 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 |
|---|---|---|---|
| Jan 13, 2021 | 132 hrs | 48,590 (22%) | High Wind |
| Oct 9, 2019 | 51 hrs | 33,424 (15%) | Winter Weather |
| Dec 17, 2025 | 36 hrs | 27,258 (12%) | High Wind |
| Sep 25, 2024 | 23 hrs | 25,644 (12%) | Thunderstorm Wind |
| Apr 22, 2021 | 18 hrs | 21,679 (10%) | High Wind |
Over the 12 years from 2014 to 2025, Spokane County recorded 1,378 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Spokane County started January 13, 2021 (High Wind), lasting 132 hours and leaving up to 48,590 customers without power (22% of the county) at its peak.
July has historically been the worst month for outages in Spokane County, with 153 events recorded during that month across the dataset.
Based on this history, Spokane County earns a Reliability Grade of B, placing it in the 69th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Spokane County's outage profile
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Similar counties in Washington
Counties with the closest reliability grade and national percentile to Spokane County.
| County | Grade | National percentile |
|---|---|---|
| Snohomish County | B | 70th |
| Columbia County | B | 63rd |
| Walla Walla County | B | 76th |
| Whitman County | B | 78th |
| Lewis County | C | 59th |
FAQ
How often does power go out in Spokane County?
Between 2014 and 2025, Spokane County recorded 1,378 outage events, averaging 2.6 hours each.
What is Spokane County's reliability grade?
Spokane County has a Reliability Grade of B, in the 69th national percentile.
What was the worst power outage in Spokane County?
The worst outage on record started January 13, 2021 (High Wind), lasting 132 hours and affecting up to 48,590 customers.