Wibaux CountyPower Outage History
2017–2024 · Montana
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 16, 2017 | <1 hr | 377 (56%) | Unnamed event |
| Apr 30, 2018 | 3 hrs | 366 (54%) | Unnamed event |
| Jul 21, 2021 | 2 hrs | 361 (53%) | Drought |
| Apr 24, 2018 | 3 hrs | 359 (53%) | Unnamed event |
| Apr 19, 2023 | 2 hrs | 358 (53%) | Unnamed event |
Over the 8 years from 2017 to 2024, Wibaux County recorded 29 distinct power outage events, averaging 5.1 hours per event.
The single worst outage on record in Wibaux County started May 16, 2017, lasting less than 1 hour and leaving up to 377 customers without power (56% of the county) at its peak.
April has historically been the worst month for outages in Wibaux County, with 6 events recorded during that month across the dataset.
Based on this history, Wibaux County earns a Reliability Grade of B, placing it in the 69th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Wibaux County's outage profile
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Read our mission →Similar counties in Montana
Counties with the closest reliability grade and national percentile to Wibaux County.
| County | Grade | National percentile |
|---|---|---|
| Cascade County | B | 69th |
| Liberty County | B | 69th |
| Phillips County | B | 69th |
| Prairie County | B | 71st |
| Ravalli County | B | 72nd |
Most reliable counties in Montana
The top 3 counties in Montana by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Powder River County | A | 95th |
| Roosevelt County | A | 94th |
| Fallon County | A | 94th |
Least reliable counties in Montana
The bottom 3 counties in Montana by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Lincoln County | F | 14th |
| Sanders County | D | 20th |
| Madison County | D | 31st |
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 Wibaux County?
Between 2017 and 2024, Wibaux County recorded 29 outage events, averaging 5.1 hours each.
What is Wibaux County's reliability grade?
Wibaux County has a Reliability Grade of B, in the 69th national percentile.
What was the worst power outage in Wibaux County?
The worst outage on record started May 16, 2017, lasting less than 1 hour and affecting up to 377 customers.