Benewah County Power Outage History
2015–2025 · 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 |
|---|---|---|---|
| Nov 18, 2015 | 2 hrs | 8,756 (76%) | High Wind |
| Nov 18, 2015 | 10 hrs | 7,832 (68%) | High Wind |
| Nov 18, 2015 | 83 hrs | 5,335 (46%) | High Wind |
| Dec 17, 2025 | 148 hrs | 5,326 (46%) | High Wind |
| Nov 24, 2018 | 40 hrs | 4,806 (41%) | Heavy Snow |
Over the 11 years from 2015 to 2025, Benewah County recorded 624 distinct power outage events, averaging 4.4 hours per event.
The single worst outage on record in Benewah County started November 18, 2015 (High Wind), lasting 2 hours and leaving up to 8,756 customers without power (76% of the county) at its peak.
December has historically been the worst month for outages in Benewah County, with 104 events recorded during that month across the dataset.
Based on this history, Benewah 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 Benewah County.
| County | Grade | National percentile |
|---|---|---|
| Boundary County | F | 17th |
| Idaho County | F | 17th |
| Boise County | F | 14th |
| Shoshone County | D | 21st |
| Power County | D | 22nd |
FAQ
How often does power go out in Benewah County?
Between 2015 and 2025, Benewah County recorded 624 outage events, averaging 4.4 hours each.
What is Benewah County's reliability grade?
Benewah County has a Reliability Grade of F, in the 17th national percentile.
What was the worst power outage in Benewah County?
The worst outage on record started November 18, 2015 (High Wind), lasting 2 hours and affecting up to 8,756 customers.