Tillamook County Power Outage History
2019–2025 · Oregon
Worse than average — more frequent or longer 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 |
|---|---|---|---|
| Dec 27, 2022 | 65 hrs | 16,730 (76%) | Unnamed event |
| Dec 17, 2025 | 35 hrs | 14,021 (63%) | Unnamed event |
| Sep 8, 2020 | 76 hrs | 13,517 (61%) | Unnamed event |
| Jan 13, 2024 | 55 hrs | 11,102 (50%) | Unnamed event |
| Dec 18, 2024 | 13 hrs | 10,888 (49%) | High Wind |
Over the 7 years from 2019 to 2025, Tillamook County recorded 318 distinct power outage events, averaging 3.8 hours per event.
The single worst outage on record in Tillamook County started December 27, 2022, lasting 65 hours and leaving up to 16,730 customers without power (76% of the county) at its peak.
December has historically been the worst month for outages in Tillamook County, with 46 events recorded during that month across the dataset.
Based on this history, Tillamook County earns a Reliability Grade of D, placing it in the 20th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Tillamook County's outage profile
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Similar counties in Oregon
Counties with the closest reliability grade and national percentile to Tillamook County.
| County | Grade | National percentile |
|---|---|---|
| Lincoln County | F | 19th |
| Clatsop County | D | 25th |
| Wallowa County | D | 26th |
| Marion County | F | 12th |
| Multnomah County | D | 29th |
FAQ
How often does power go out in Tillamook County?
Between 2019 and 2025, Tillamook County recorded 318 outage events, averaging 3.8 hours each.
What is Tillamook County's reliability grade?
Tillamook County has a Reliability Grade of D, in the 20th national percentile.
What was the worst power outage in Tillamook County?
The worst outage on record started December 27, 2022, lasting 65 hours and affecting up to 16,730 customers.