Sheboygan County Power Outage History
2015–2025 · Wisconsin
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 |
|---|---|---|---|
| Jun 16, 2022 | 71 hrs | 11,918 (24%) | Heat |
| Aug 28, 2018 | 45 hrs | 9,909 (20%) | Thunderstorm Wind |
| Jan 22, 2018 | 2 hrs | 8,657 (18%) | Winter Storm |
| Jun 3, 2020 | 34 hrs | 7,101 (14%) | Thunderstorm Wind |
| Apr 29, 2020 | 1 hrs | 5,850 (12%) | Unnamed event |
Over the 11 years from 2015 to 2025, Sheboygan County recorded 501 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Sheboygan County started June 16, 2022 (Heat), lasting 71 hours and leaving up to 11,918 customers without power (24% of the county) at its peak.
August has historically been the worst month for outages in Sheboygan County, with 66 events recorded during that month across the dataset.
Based on this history, Sheboygan County earns a Reliability Grade of B, placing it in the 72nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Sheboygan County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
See our outage-prep guides.
Similar counties in Wisconsin
Counties with the closest reliability grade and national percentile to Sheboygan County.
| County | Grade | National percentile |
|---|---|---|
| Iowa County | B | 71st |
| Green Lake County | B | 73rd |
| Polk County | B | 71st |
| St. Croix County | B | 73rd |
| Buffalo County | B | 74th |
FAQ
How often does power go out in Sheboygan County?
Between 2015 and 2025, Sheboygan County recorded 501 outage events, averaging 2.5 hours each.
What is Sheboygan County's reliability grade?
Sheboygan County has a Reliability Grade of B, in the 72nd national percentile.
What was the worst power outage in Sheboygan County?
The worst outage on record started June 16, 2022 (Heat), lasting 71 hours and affecting up to 11,918 customers.