Renville County Power Outage History
2015–2025 · 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 |
|---|---|---|---|
| Dec 2, 2025 | 6 hrs | 3,897 (45%) | Winter Weather |
| Jun 2, 2025 | 17 hrs | 2,375 (28%) | Thunderstorm Wind |
| Jun 27, 2019 | 1 hrs | 1,773 (21%) | Unnamed event |
| Dec 30, 2019 | 1 hrs | 1,763 (21%) | Unnamed event |
| Aug 24, 2017 | 1 hrs | 1,761 (21%) | Unnamed event |
Over the 11 years from 2015 to 2025, Renville County recorded 134 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Renville County started December 2, 2025 (Winter Weather), lasting 6 hours and leaving up to 3,897 customers without power (45% of the county) at its peak.
August has historically been the worst month for outages in Renville County, with 25 events recorded during that month across the dataset.
Based on this history, Renville County earns a Reliability Grade of A, placing it in the 91st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Renville County's outage profile
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Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Renville County.
| County | Grade | National percentile |
|---|---|---|
| Polk County | A | 90th |
| Scott County | A | 91st |
| Mahnomen County | A | 90th |
| Houston County | A | 91st |
| Sherburne County | A | 91st |
FAQ
How often does power go out in Renville County?
Between 2015 and 2025, Renville County recorded 134 outage events, averaging 2.9 hours each.
What is Renville County's reliability grade?
Renville County has a Reliability Grade of A, in the 91st national percentile.
What was the worst power outage in Renville County?
The worst outage on record started December 2, 2025 (Winter Weather), lasting 6 hours and affecting up to 3,897 customers.