Meagher CountyPower Outage History
2020–2025 · Montana
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 29, 2021 | 7 hrs | 2,650 (98%) | Unnamed event |
| Oct 27, 2021 | 1 hrs | 2,402 (89%) | Unnamed event |
| Dec 17, 2025 | 22 hrs | 1,645 (61%) | High Wind |
| Dec 22, 2022 | 5 hrs | 1,497 (55%) | Extreme Cold/Wind Chill |
| Sep 19, 2021 | 2 hrs | 1,441 (53%) | Unnamed event |
Over the 6 years from 2020 to 2025, Meagher County recorded 186 distinct power outage events, averaging 4.7 hours per event.
The single worst outage on record in Meagher County started July 29, 2021, lasting 7 hours and leaving up to 2,650 customers without power (98% of the county) at its peak.
December has historically been the worst month for outages in Meagher County, with 22 events recorded during that month across the dataset.
Based on this history, Meagher County earns a Reliability Grade of D, placing it in the 38th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Meagher 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 Meagher County.
| County | Grade | National percentile |
|---|---|---|
| Chouteau County | D | 37th |
| Mineral County | D | 39th |
| Flathead County | D | 35th |
| Teton County | C | 41st |
| Missoula County | C | 42nd |
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 Meagher County?
Between 2020 and 2025, Meagher County recorded 186 outage events, averaging 4.7 hours each.
What is Meagher County's reliability grade?
Meagher County has a Reliability Grade of D, in the 38th national percentile.
What was the worst power outage in Meagher County?
The worst outage on record started July 29, 2021, lasting 7 hours and affecting up to 2,650 customers.