Vernon County Power Outage History
2014–2025 · Wisconsin
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 |
|---|---|---|---|
| Jun 3, 2020 | 8 hrs | 2,056 (13%) | Thunderstorm Wind |
| Apr 11, 2019 | 34 hrs | 2,015 (13%) | Winter Weather |
| Jul 23, 2022 | 29 hrs | 1,845 (12%) | Thunderstorm Wind |
| Jul 20, 2017 | 28 hrs | 1,474 (10%) | Flood |
| Jul 14, 2024 | 3 hrs | 1,218 (8%) | Flood |
Over the 12 years from 2014 to 2025, Vernon County recorded 193 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Vernon County started June 3, 2020 (Thunderstorm Wind), lasting 8 hours and leaving up to 2,056 customers without power (13% of the county) at its peak.
July has historically been the worst month for outages in Vernon County, with 44 events recorded during that month across the dataset.
Based on this history, Vernon County earns a Reliability Grade of A, placing it in the 85th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Vernon County's outage profile
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Similar counties in Wisconsin
Counties with the closest reliability grade and national percentile to Vernon County.
| County | Grade | National percentile |
|---|---|---|
| Dunn County | A | 85th |
| Monroe County | A | 86th |
| Trempealeau County | A | 86th |
| La Crosse County | A | 84th |
| Pepin County | A | 83rd |
FAQ
How often does power go out in Vernon County?
Between 2014 and 2025, Vernon County recorded 193 outage events, averaging 3.0 hours each.
What is Vernon County's reliability grade?
Vernon County has a Reliability Grade of A, in the 85th national percentile.
What was the worst power outage in Vernon County?
The worst outage on record started June 3, 2020 (Thunderstorm Wind), lasting 8 hours and affecting up to 2,056 customers.