Kootenai County Power Outage History
2014–2025 · Idaho
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 18, 2015 | 1 hrs | 27,135 (26%) | High Wind |
| Nov 18, 2015 | 2 hrs | 26,956 (26%) | High Wind |
| Nov 18, 2015 | 9 hrs | 26,543 (26%) | High Wind |
| Jan 13, 2021 | 133 hrs | 24,557 (24%) | High Wind |
| Nov 18, 2015 | 2 hrs | 24,274 (24%) | High Wind |
Over the 12 years from 2014 to 2025, Kootenai County recorded 488 distinct power outage events, averaging 3.8 hours per event.
The single worst outage on record in Kootenai County started November 18, 2015 (High Wind), lasting 1 hours and leaving up to 27,135 customers without power (26% of the county) at its peak.
January has historically been the worst month for outages in Kootenai County, with 54 events recorded during that month across the dataset.
Based on this history, Kootenai County earns a Reliability Grade of C, placing it in the 53rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Kootenai County's outage profile
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Similar counties in Idaho
Counties with the closest reliability grade and national percentile to Kootenai County.
| County | Grade | National percentile |
|---|---|---|
| Caribou County | C | 54th |
| Oneida County | C | 54th |
| Bingham County | C | 56th |
| Fremont County | C | 57th |
| Owyhee County | C | 57th |
FAQ
How often does power go out in Kootenai County?
Between 2014 and 2025, Kootenai County recorded 488 outage events, averaging 3.8 hours each.
What is Kootenai County's reliability grade?
Kootenai County has a Reliability Grade of C, in the 53rd national percentile.
What was the worst power outage in Kootenai County?
The worst outage on record started November 18, 2015 (High Wind), lasting 1 hours and affecting up to 27,135 customers.