Idaho County Power Outage History
2014–2025 · Idaho
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 |
|---|---|---|---|
| Feb 5, 2025 | 30 hrs | 6,938 (70%) | Winter Storm |
| Dec 14, 2021 | 21 hrs | 6,202 (63%) | Strong Wind |
| Dec 17, 2025 | 59 hrs | 4,243 (43%) | Strong Wind |
| Mar 29, 2021 | 6 hrs | 4,091 (41%) | High Wind |
| Feb 4, 2019 | 3 hrs | 4,060 (41%) | Heavy Snow |
Over the 12 years from 2014 to 2025, Idaho County recorded 464 distinct power outage events, averaging 4.1 hours per event.
The single worst outage on record in Idaho County started February 5, 2025 (Winter Storm), lasting 30 hours and leaving up to 6,938 customers without power (70% of the county) at its peak.
December has historically been the worst month for outages in Idaho County, with 64 events recorded during that month across the dataset.
Based on this history, Idaho County earns a Reliability Grade of F, placing it in the 17th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Idaho
Counties with the closest reliability grade and national percentile to Idaho County.
| County | Grade | National percentile |
|---|---|---|
| Boundary County | F | 17th |
| Benewah County | F | 17th |
| Shoshone County | D | 21st |
| Boise County | F | 14th |
| Power County | D | 22nd |
FAQ
How often does power go out in Idaho County?
Between 2014 and 2025, Idaho County recorded 464 outage events, averaging 4.1 hours each.
What is Idaho County's reliability grade?
Idaho County has a Reliability Grade of F, in the 17th national percentile.
What was the worst power outage in Idaho County?
The worst outage on record started February 5, 2025 (Winter Storm), lasting 30 hours and affecting up to 6,938 customers.