Rosebud CountyPower Outage History
2017–2025 · Montana
Better than average — fewer or shorter outages than most counties.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 13, 2020 | 38 hrs | 1,232 (20%) | Hail |
| Oct 26, 2017 | 1 hrs | 1,185 (19%) | High Wind |
| Nov 2, 2021 | 1 hrs | 1,182 (19%) | Unnamed event |
| Dec 19, 2025 | 4 hrs | 1,172 (19%) | Unnamed event |
| Jan 13, 2021 | 2 hrs | 1,172 (19%) | High Wind |
Over the 9 years from 2017 to 2025, Rosebud County recorded 157 distinct power outage events, averaging 3.2 hours per event.
The single worst outage on record in Rosebud County started July 13, 2020 (Hail), lasting 38 hours and leaving up to 1,232 customers without power (20% of the county) at its peak.
September has historically been the worst month for outages in Rosebud County, with 20 events recorded during that month across the dataset.
Based on this history, Rosebud County earns a Reliability Grade of B, placing it in the 78th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Rosebud County's outage profile
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Outage-prep kit
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Similar counties in Montana
Counties with the closest reliability grade and national percentile to Rosebud County.
| County | Grade | National percentile |
|---|---|---|
| Jefferson County | B | 77th |
| Pondera County | B | 76th |
| Sheridan County | B | 75th |
| Lake County | A | 80th |
| Daniels County | A | 81st |
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 Rosebud County?
Between 2017 and 2025, Rosebud County recorded 157 outage events, averaging 3.2 hours each.
What is Rosebud County's reliability grade?
Rosebud County has a Reliability Grade of B, in the 78th national percentile.
What was the worst power outage in Rosebud County?
The worst outage on record started July 13, 2020 (Hail), lasting 38 hours and affecting up to 1,232 customers.