Canyon County Power Outage History
2015–2025 · Idaho
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jan 16, 2020 | 4 hrs | 41,064 (35%) | Unnamed event |
| May 22, 2021 | 3 hrs | 21,260 (18%) | Unnamed event |
| Mar 21, 2018 | 3 hrs | 11,368 (10%) | Unnamed event |
| Jun 23, 2021 | 1 hrs | 8,705 (8%) | Thunderstorm Wind |
| Jul 6, 2021 | 1 hrs | 8,604 (7%) | Unnamed event |
Over the 11 years from 2015 to 2025, Canyon County recorded 689 distinct power outage events, averaging 1.7 hours per event.
The single worst outage on record in Canyon County started January 16, 2020, lasting 4 hours and leaving up to 41,064 customers without power (35% of the county) at its peak.
August has historically been the worst month for outages in Canyon County, with 74 events recorded during that month across the dataset.
Based on this history, Canyon County earns a Reliability Grade of A, placing it in the 88th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Canyon County's outage profile
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Outage-prep kit
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Similar counties in Idaho
Counties with the closest reliability grade and national percentile to Canyon County.
| County | Grade | National percentile |
|---|---|---|
| Cassia County | A | 90th |
| Bonneville County | A | 85th |
| Payette County | A | 85th |
| Ada County | A | 92nd |
| Camas County | A | 92nd |
FAQ
How often does power go out in Canyon County?
Between 2015 and 2025, Canyon County recorded 689 outage events, averaging 1.7 hours each.
What is Canyon County's reliability grade?
Canyon County has a Reliability Grade of A, in the 88th national percentile.
What was the worst power outage in Canyon County?
The worst outage on record started January 16, 2020, lasting 4 hours and affecting up to 41,064 customers.