Sibley County Power Outage History
2014–2025 · Minnesota
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 31, 2015 | 0 hrs | 3,297 (35%) | Unnamed event |
| Sep 8, 2015 | 5 hrs | 3,113 (33%) | Unnamed event |
| Jun 18, 2015 | 61 hrs | 2,581 (27%) | Unnamed event |
| Aug 24, 2015 | 3 hrs | 2,580 (27%) | Unnamed event |
| Apr 14, 2015 | 4 hrs | 2,533 (27%) | Unnamed event |
Over the 12 years from 2014 to 2025, Sibley County recorded 303 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Sibley County started March 31, 2015, lasting 0 hours and leaving up to 3,297 customers without power (35% of the county) at its peak.
June has historically been the worst month for outages in Sibley County, with 45 events recorded during that month across the dataset.
Based on this history, Sibley County earns a Reliability Grade of B, placing it in the 62nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Sibley County's outage profile
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Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Sibley County.
| County | Grade | National percentile |
|---|---|---|
| Le Sueur County | B | 66th |
| Stevens County | B | 66th |
| Wabasha County | B | 66th |
| Hennepin County | B | 66th |
| Rock County | B | 67th |
FAQ
How often does power go out in Sibley County?
Between 2014 and 2025, Sibley County recorded 303 outage events, averaging 3.4 hours each.
What is Sibley County's reliability grade?
Sibley County has a Reliability Grade of B, in the 62nd national percentile.
What was the worst power outage in Sibley County?
The worst outage on record started March 31, 2015, lasting 0 hours and affecting up to 3,297 customers.