Big Stone CountyPower Outage History
2020–2025 · Minnesota
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jan 15, 2021 | 5 hrs | 387 (16%) | Blizzard |
| Nov 2, 2025 | 6 hrs | 386 (16%) | Unnamed event |
| Dec 15, 2024 | 4 hrs | 385 (16%) | Unnamed event |
| Jun 9, 2020 | 1 hrs | 336 (14%) | Unnamed event |
| Aug 7, 2022 | 1 hrs | 300 (13%) | Unnamed event |
Over the 6 years from 2020 to 2025, Big Stone County recorded 37 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Big Stone County started January 15, 2021 (Blizzard), lasting 5 hours and leaving up to 387 customers without power (16% of the county) at its peak.
June has historically been the worst month for outages in Big Stone County, with 8 events recorded during that month across the dataset.
Based on this history, Big Stone County earns a Reliability Grade of A, placing it in the 92nd percentile nationally for grid reliability (higher percentile = more reliable).
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Read our mission →Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Big Stone County.
| County | Grade | National percentile |
|---|---|---|
| Freeborn County | A | 92nd |
| Kittson County | A | 92nd |
| Redwood County | A | 93rd |
| Becker County | A | 93rd |
| Meeker County | A | 93rd |
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 Big Stone County?
Between 2020 and 2025, Big Stone County recorded 37 outage events, averaging 3.3 hours each.
What is Big Stone County's reliability grade?
Big Stone County has a Reliability Grade of A, in the 92nd national percentile.
What was the worst power outage in Big Stone County?
The worst outage on record started January 15, 2021 (Blizzard), lasting 5 hours and affecting up to 387 customers.