Kitsap County Power Outage History
2015–2025 · Washington
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 13, 2016 | 11 hrs | 65,654 (50%) | Unnamed event |
| Feb 25, 2025 | 23 hrs | 65,573 (50%) | Unnamed event |
| Feb 26, 2025 | 1 hrs | 53,989 (41%) | Unnamed event |
| Nov 17, 2015 | 20 hrs | 51,951 (40%) | Unnamed event |
| Nov 24, 2015 | 27 hrs | 50,214 (39%) | Unnamed event |
Over the 11 years from 2015 to 2025, Kitsap County recorded 1,424 distinct power outage events, averaging 4.1 hours per event.
The single worst outage on record in Kitsap County started March 13, 2016, lasting 11 hours and leaving up to 65,654 customers without power (50% of the county) at its peak.
November has historically been the worst month for outages in Kitsap County, with 192 events recorded during that month across the dataset.
Based on this history, Kitsap County earns a Reliability Grade of F, placing it in the 15th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Washington
Counties with the closest reliability grade and national percentile to Kitsap County.
| County | Grade | National percentile |
|---|---|---|
| Island County | F | 17th |
| Stevens County | F | 18th |
| Ferry County | F | 10th |
| San Juan County | F | 20th |
| Skagit County | D | 21st |
FAQ
How often does power go out in Kitsap County?
Between 2015 and 2025, Kitsap County recorded 1,424 outage events, averaging 4.1 hours each.
What is Kitsap County's reliability grade?
Kitsap County has a Reliability Grade of F, in the 15th national percentile.
What was the worst power outage in Kitsap County?
The worst outage on record started March 13, 2016, lasting 11 hours and affecting up to 65,654 customers.