Bayfield 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 |
|---|---|---|---|
| Jul 21, 2016 | 34 hrs | 5,170 (56%) | Flash Flood |
| Jul 21, 2016 | 1 hrs | 3,649 (40%) | Flash Flood |
| Nov 1, 2020 | 6 hrs | 3,398 (37%) | Unnamed event |
| Aug 9, 2017 | 3 hrs | 3,351 (37%) | Unnamed event |
| May 11, 2022 | 0 hrs | 2,808 (31%) | Hail |
Over the 11 years from 2015 to 2025, Bayfield County recorded 369 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Bayfield County started July 21, 2016 (Flash Flood), lasting 34 hours and leaving up to 5,170 customers without power (56% of the county) at its peak.
July has historically been the worst month for outages in Bayfield County, with 97 events recorded during that month across the dataset.
Based on this history, Bayfield County earns a Reliability Grade of B, placing it in the 60th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Bayfield County's outage profile
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Similar counties in Wisconsin
Counties with the closest reliability grade and national percentile to Bayfield County.
| County | Grade | National percentile |
|---|---|---|
| Shawano County | B | 61st |
| Waushara County | B | 62nd |
| Racine County | B | 64th |
| Washington County | C | 55th |
| Washburn County | B | 65th |
FAQ
How often does power go out in Bayfield County?
Between 2015 and 2025, Bayfield County recorded 369 outage events, averaging 2.9 hours each.
What is Bayfield County's reliability grade?
Bayfield County has a Reliability Grade of B, in the 60th national percentile.
What was the worst power outage in Bayfield County?
The worst outage on record started July 21, 2016 (Flash Flood), lasting 34 hours and affecting up to 5,170 customers.