Bonner County Power Outage History
2014–2025 · Idaho
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 19, 2021 | 26 hrs | 28,983 (96%) | Strong Wind |
| Nov 15, 2021 | 68 hrs | 25,571 (85%) | High Wind |
| Sep 26, 2024 | 58 hrs | 18,917 (63%) | Thunderstorm Wind |
| Jan 13, 2021 | 61 hrs | 18,423 (61%) | Strong Wind |
| Mar 13, 2020 | 48 hrs | 17,259 (57%) | High Wind |
Over the 12 years from 2014 to 2025, Bonner County recorded 896 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Bonner County started April 19, 2021 (Strong Wind), lasting 26 hours and leaving up to 28,983 customers without power (96% of the county) at its peak.
December has historically been the worst month for outages in Bonner County, with 110 events recorded during that month across the dataset.
Based on this history, Bonner County earns a Reliability Grade of F, placing it in the 10th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Bonner County's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
Outage-prep kit
See our outage-prep guides.
Similar counties in Idaho
Counties with the closest reliability grade and national percentile to Bonner County.
| County | Grade | National percentile |
|---|---|---|
| Boise County | F | 14th |
| Clearwater County | F | 3rd |
| Benewah County | F | 17th |
| Boundary County | F | 17th |
| Idaho County | F | 17th |
FAQ
How often does power go out in Bonner County?
Between 2014 and 2025, Bonner County recorded 896 outage events, averaging 3.3 hours each.
What is Bonner County's reliability grade?
Bonner County has a Reliability Grade of F, in the 10th national percentile.
What was the worst power outage in Bonner County?
The worst outage on record started April 19, 2021 (Strong Wind), lasting 26 hours and affecting up to 28,983 customers.