Chippewa County Power Outage History
2014–2025 · Minnesota
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 12, 2022 | 25 hrs | 2,636 (38%) | Hail |
| Jul 17, 2016 | 10 hrs | 2,613 (38%) | Thunderstorm Wind |
| May 14, 2019 | 3 hrs | 2,475 (36%) | Unnamed event |
| May 30, 2022 | 13 hrs | 2,447 (35%) | Tornado |
| Jan 20, 2016 | 2 hrs | 2,065 (30%) | Extreme Cold/Wind Chill |
Over the 12 years from 2014 to 2025, Chippewa County recorded 129 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Chippewa County started May 12, 2022 (Hail), lasting 25 hours and leaving up to 2,636 customers without power (38% of the county) at its peak.
July has historically been the worst month for outages in Chippewa County, with 28 events recorded during that month across the dataset.
Based on this history, Chippewa County earns a Reliability Grade of A, placing it in the 81st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Chippewa County's outage profile
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Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Chippewa County.
| County | Grade | National percentile |
|---|---|---|
| Grant County | A | 82nd |
| Benton County | A | 81st |
| Lac qui Parle County | A | 80th |
| Lincoln County | A | 83rd |
| 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 Chippewa County?
Between 2014 and 2025, Chippewa County recorded 129 outage events, averaging 2.7 hours each.
What is Chippewa County's reliability grade?
Chippewa County has a Reliability Grade of A, in the 81st national percentile.
What was the worst power outage in Chippewa County?
The worst outage on record started May 12, 2022 (Hail), lasting 25 hours and affecting up to 2,636 customers.