Canyon CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
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 hr | 8,705 (8%) | Thunderstorm Wind |
| Jul 6, 2021 | <1 hr | 8,604 (7%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Canyon County, Idaho that day.
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).
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 |
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 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.