Clearwater CountyPower Outage History
2015–2025 · Idaho
Bottom 20% least reliable nationally — frequent and/or long outages.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 29, 2023 | 21 hrs | 5,580 (99%) | Unnamed event |
| Dec 17, 2025 | 203 hrs | 3,176 (57%) | High Wind |
| Sep 22, 2023 | <1 hr | 2,847 (51%) | Unnamed event |
| Jun 27, 2019 | 21 hrs | 2,664 (47%) | Unnamed event |
| Sep 26, 2024 | 16 hrs | 2,495 (44%) | Unnamed event |
Over the 11 years from 2015 to 2025, Clearwater County recorded 783 distinct power outage events, averaging 4.7 hours per event.
The single worst outage on record in Clearwater County started August 29, 2023, lasting 21 hours and leaving up to 5,580 customers without power (99% of the county) at its peak.
December has historically been the worst month for outages in Clearwater County, with 106 events recorded during that month across the dataset.
Based on this history, Clearwater County earns a Reliability Grade of F, placing it in the 3rd 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 Clearwater County.
| County | Grade | National percentile |
|---|---|---|
| Bonner County | F | 10th |
| Boise County | F | 14th |
| Benewah County | F | 17th |
| Boundary County | F | 17th |
| Idaho County | F | 17th |
Most reliable counties in Idaho
The top 3 counties in Idaho by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Minidoka County | A | 95th |
| Camas County | A | 92nd |
| Ada County | A | 92nd |
Least reliable counties in Idaho
The bottom 3 counties in Idaho by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Clearwater County | F | 3rd |
| Bonner County | F | 10th |
| Boise County | F | 14th |
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 Clearwater County?
Between 2015 and 2025, Clearwater County recorded 783 outage events, averaging 4.7 hours each.
What is Clearwater County's reliability grade?
Clearwater County has a Reliability Grade of F, in the 3rd national percentile.
What was the worst power outage in Clearwater County?
The worst outage on record started August 29, 2023, lasting 21 hours and affecting up to 5,580 customers.