Wheatland CountyPower Outage History
2020–2025 · Montana
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 12, 2020 | 2 hrs | 1,080 (61%) | Hail |
| Jul 14, 2020 | 4 hrs | 1,079 (61%) | Hail |
| Jun 12, 2020 | 5 hrs | 1,079 (61%) | Unnamed event |
| Jul 29, 2021 | 7 hrs | 799 (45%) | Unnamed event |
| Apr 19, 2020 | 12 hrs | 570 (32%) | Winter Storm |
Over the 6 years from 2020 to 2025, Wheatland County recorded 150 distinct power outage events, averaging 4.1 hours per event.
The single worst outage on record in Wheatland County started July 12, 2020 (Hail), lasting 2 hours and leaving up to 1,080 customers without power (61% of the county) at its peak.
December has historically been the worst month for outages in Wheatland County, with 18 events recorded during that month across the dataset.
Based on this history, Wheatland County earns a Reliability Grade of C, placing it in the 48th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Wheatland 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 Wheatland County.
| County | Grade | National percentile |
|---|---|---|
| Valley County | C | 49th |
| Judith Basin County | C | 49th |
| Missoula County | C | 42nd |
| Sweet Grass County | C | 54th |
| Powell County | C | 55th |
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 Wheatland County?
Between 2020 and 2025, Wheatland County recorded 150 outage events, averaging 4.1 hours each.
What is Wheatland County's reliability grade?
Wheatland County has a Reliability Grade of C, in the 48th national percentile.
What was the worst power outage in Wheatland County?
The worst outage on record started July 12, 2020 (Hail), lasting 2 hours and affecting up to 1,080 customers.