Idaho 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 |
|---|---|---|---|
| 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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Idaho County, Idaho that day.
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).
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 |
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 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.