Mower 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 |
|---|---|---|---|
| Oct 19, 2025 | 3 hrs | 2,412 (13%) | Unnamed event |
| May 9, 2025 | 1 hrs | 1,037 (6%) | Unnamed event |
| Jun 17, 2025 | 6 hrs | 1,028 (6%) | Thunderstorm Wind |
| Apr 9, 2025 | 1 hrs | 930 (5%) | Unnamed event |
| Feb 6, 2015 | 2 hrs | 776 (4%) | Unnamed event |
Over the 12 years from 2014 to 2025, Mower County recorded 45 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Mower County started October 19, 2025, lasting 3 hours and leaving up to 2,412 customers without power (13% of the county) at its peak.
July has historically been the worst month for outages in Mower County, with 11 events recorded during that month across the dataset.
Based on this history, Mower County earns a Reliability Grade of A, placing it in the 97th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Mower County's outage profile
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Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Mower County.
| County | Grade | National percentile |
|---|---|---|
| Watonwan County | A | 97th |
| Nobles County | A | 98th |
| Faribault County | A | 97th |
| Fillmore County | A | 98th |
| Martin County | A | 98th |
FAQ
How often does power go out in Mower County?
Between 2014 and 2025, Mower County recorded 45 outage events, averaging 3.4 hours each.
What is Mower County's reliability grade?
Mower County has a Reliability Grade of A, in the 97th national percentile.
What was the worst power outage in Mower County?
The worst outage on record started October 19, 2025, lasting 3 hours and affecting up to 2,412 customers.