Latah County Power Outage History
2015–2025 · Idaho
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 22, 2022 | 5 hrs | 15,094 (83%) | Unnamed event |
| Dec 17, 2025 | 153 hrs | 12,381 (68%) | High Wind |
| May 6, 2017 | 5 hrs | 11,112 (61%) | Unnamed event |
| Sep 25, 2024 | 16 hrs | 9,413 (52%) | Thunderstorm Wind |
| Nov 18, 2015 | 12 hrs | 6,937 (38%) | High Wind |
Over the 11 years from 2015 to 2025, Latah County recorded 487 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Latah County started June 22, 2022, lasting 5 hours and leaving up to 15,094 customers without power (83% of the county) at its peak.
December has historically been the worst month for outages in Latah County, with 71 events recorded during that month across the dataset.
Based on this history, Latah County earns a Reliability Grade of D, placing it in the 34th 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 Latah County.
| County | Grade | National percentile |
|---|---|---|
| Valley County | D | 32nd |
| Blaine County | D | 39th |
| Clark County | D | 39th |
| Butte County | D | 27th |
| Adams County | D | 27th |
FAQ
How often does power go out in Latah County?
Between 2015 and 2025, Latah County recorded 487 outage events, averaging 3.3 hours each.
What is Latah County's reliability grade?
Latah County has a Reliability Grade of D, in the 34th national percentile.
What was the worst power outage in Latah County?
The worst outage on record started June 22, 2022, lasting 5 hours and affecting up to 15,094 customers.