Bayfield 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 |
|---|---|---|---|
| Jul 21, 2016 | 34 hrs | 5,170 (56%) | Flash Flood |
| Jul 21, 2016 | <1 hr | 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 | <1 hr | 2,808 (31%) | Hail |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Bayfield County, Wisconsin that day.
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).
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 |
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 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.