Benewah CountyPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Benewah County, Idaho that day.
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).
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 |
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 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.