Del Norte County Power Outage History
2017–2025 · California
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 |
|---|---|---|---|
| Dec 19, 2025 | 2 hrs | 13,231 (82%) | Strong Wind |
| Aug 30, 2025 | 2 hrs | 13,204 (81%) | Unnamed event |
| Aug 18, 2023 | 178 hrs | 12,963 (80%) | Wildfire |
| Oct 20, 2022 | 2 hrs | 12,859 (79%) | Unnamed event |
| Mar 28, 2023 | 4 hrs | 12,857 (79%) | Unnamed event |
Over the 9 years from 2017 to 2025, Del Norte County recorded 337 distinct power outage events, averaging 4.8 hours per event.
The single worst outage on record in Del Norte County started December 19, 2025 (Strong Wind), lasting 2 hours and leaving up to 13,231 customers without power (82% of the county) at its peak.
December has historically been the worst month for outages in Del Norte County, with 62 events recorded during that month across the dataset.
Based on this history, Del Norte County earns a Reliability Grade of F, placing it in the 6th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Del Norte County's outage profile
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Similar counties in California
Counties with the closest reliability grade and national percentile to Del Norte County.
| County | Grade | National percentile |
|---|---|---|
| Santa Cruz County | F | 6th |
| Humboldt County | F | 5th |
| Mendocino County | F | 5th |
| Tehama County | F | 7th |
| Napa County | F | 7th |
FAQ
How often does power go out in Del Norte County?
Between 2017 and 2025, Del Norte County recorded 337 outage events, averaging 4.8 hours each.
What is Del Norte County's reliability grade?
Del Norte County has a Reliability Grade of F, in the 6th national percentile.
What was the worst power outage in Del Norte County?
The worst outage on record started December 19, 2025 (Strong Wind), lasting 2 hours and affecting up to 13,231 customers.