Kootenai CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 18, 2015 | <1 hr | 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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Kootenai County, Idaho that day.
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 less than 1 hour 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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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 less than 1 hour and affecting up to 27,135 customers.