Owyhee CountyPower Outage History
2015–2025 · Idaho
Average — typical outage frequency and duration nationally.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 18, 2025 | 4 hrs | 3,332 (59%) | Unnamed event |
| Nov 26, 2024 | 3 hrs | 3,286 (58%) | Unnamed event |
| Jan 16, 2020 | 4 hrs | 3,110 (55%) | Unnamed event |
| Mar 29, 2023 | <1 hr | 2,598 (46%) | Heavy Snow |
| Jun 2, 2021 | <1 hr | 1,704 (30%) | Unnamed event |
Over the 11 years from 2015 to 2025, Owyhee County recorded 501 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Owyhee County started April 18, 2025, lasting 4 hours and leaving up to 3,332 customers without power (59% of the county) at its peak.
August has historically been the worst month for outages in Owyhee County, with 59 events recorded during that month across the dataset.
Based on this history, Owyhee County earns a Reliability Grade of C, placing it in the 57th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Owyhee County's outage profile
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Similar counties in Idaho
Counties with the closest reliability grade and national percentile to Owyhee County.
| County | Grade | National percentile |
|---|---|---|
| Fremont County | C | 57th |
| Nez Perce County | C | 58th |
| Bingham County | C | 56th |
| Jerome County | C | 59th |
| Elmore County | C | 59th |
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 Owyhee County?
Between 2015 and 2025, Owyhee County recorded 501 outage events, averaging 2.3 hours each.
What is Owyhee County's reliability grade?
Owyhee County has a Reliability Grade of C, in the 57th national percentile.
What was the worst power outage in Owyhee County?
The worst outage on record started April 18, 2025, lasting 4 hours and affecting up to 3,332 customers.