Sheboygan CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Sheboygan County, Wisconsin that day.
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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.