Grant CountyPower Outage History
2015–2025 · Minnesota
Top 20% most reliable nationally — infrequent, short outages.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 25, 2025 | 5 hrs | 3,957 (82%) | Blizzard |
| May 13, 2022 | 38 hrs | 2,041 (42%) | Tornado |
| Jun 21, 2022 | 15 hrs | 1,502 (31%) | Thunderstorm Wind |
| May 30, 2022 | 39 hrs | 1,394 (29%) | Hail |
| Jun 2, 2025 | 3 hrs | 1,185 (25%) | Thunderstorm Wind |
Over the 11 years from 2015 to 2025, Grant County recorded 126 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Grant County started November 25, 2025 (Blizzard), lasting 5 hours and leaving up to 3,957 customers without power (82% of the county) at its peak.
June has historically been the worst month for outages in Grant County, with 21 events recorded during that month across the dataset.
Based on this history, Grant County earns a Reliability Grade of A, placing it in the 82nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Grant County's outage profile
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Outage-prep kit
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Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Grant County.
| County | Grade | National percentile |
|---|---|---|
| Chippewa County | A | 81st |
| Benton County | A | 81st |
| Lincoln County | A | 83rd |
| Lac qui Parle County | A | 80th |
| Isanti County | A | 83rd |
Most reliable counties in Minnesota
The top 3 counties in Minnesota by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Clearwater County | A | 99th |
| Brown County | A | 99th |
| Jackson County | A | 98th |
Least reliable counties in Minnesota
The bottom 3 counties in Minnesota by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Cass County | F | 16th |
| Aitkin County | F | 18th |
| Itasca County | D | 25th |
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 Grant County?
Between 2015 and 2025, Grant County recorded 126 outage events, averaging 2.5 hours each.
What is Grant County's reliability grade?
Grant County has a Reliability Grade of A, in the 82nd national percentile.
What was the worst power outage in Grant County?
The worst outage on record started November 25, 2025 (Blizzard), lasting 5 hours and affecting up to 3,957 customers.