Lafayette CountyPower Outage History
2014–2025 · Wisconsin
Better than average — fewer or shorter outages than most counties.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 22, 2024 | 22 hrs | 2,569 (39%) | Thunderstorm Wind |
| Oct 11, 2017 | <1 hr | 1,876 (28%) | Unnamed event |
| Aug 27, 2017 | 2 hrs | 1,422 (21%) | Unnamed event |
| Feb 1, 2019 | 2 hrs | 1,419 (21%) | Winter Weather |
| Sep 1, 2018 | 6 hrs | 1,345 (20%) | Unnamed event |
Over the 12 years from 2014 to 2025, Lafayette County recorded 319 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Lafayette County started May 22, 2024 (Thunderstorm Wind), lasting 22 hours and leaving up to 2,569 customers without power (39% of the county) at its peak.
June has historically been the worst month for outages in Lafayette County, with 57 events recorded during that month across the dataset.
Based on this history, Lafayette County earns a Reliability Grade of B, placing it in the 79th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Lafayette County's outage profile
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Outage-prep kit
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Similar counties in Wisconsin
Counties with the closest reliability grade and national percentile to Lafayette County.
| County | Grade | National percentile |
|---|---|---|
| Brown County | B | 79th |
| Grant County | B | 79th |
| Clark County | B | 78th |
| Winnebago County | B | 77th |
| Green County | A | 82nd |
Most reliable counties in Wisconsin
The top 3 counties in Wisconsin by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Jackson County | A | 97th |
| Manitowoc County | A | 94th |
| Taylor County | A | 93rd |
Least reliable counties in Wisconsin
The bottom 3 counties in Wisconsin by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Vilas County | F | 8th |
| Oneida County | F | 12th |
| Forest County | F | 14th |
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 Lafayette County?
Between 2014 and 2025, Lafayette County recorded 319 outage events, averaging 2.1 hours each.
What is Lafayette County's reliability grade?
Lafayette County has a Reliability Grade of B, in the 79th national percentile.
What was the worst power outage in Lafayette County?
The worst outage on record started May 22, 2024 (Thunderstorm Wind), lasting 22 hours and affecting up to 2,569 customers.