Chippewa County Power Outage History
2014–2025 · Wisconsin
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 11, 2022 | 1 hrs | 15,629 (50%) | Thunderstorm Wind |
| Jul 13, 2015 | 1 hrs | 5,957 (19%) | Heavy Rain |
| Jul 13, 2015 | 1 hrs | 5,957 (19%) | Heavy Rain |
| Dec 16, 2021 | 46 hrs | 4,789 (15%) | Winter Storm |
| Dec 15, 2022 | 41 hrs | 4,277 (14%) | Unnamed event |
Over the 12 years from 2014 to 2025, Chippewa County recorded 191 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Chippewa County started May 11, 2022 (Thunderstorm Wind), lasting 1 hours and leaving up to 15,629 customers without power (50% of the county) at its peak.
July has historically been the worst month for outages in Chippewa County, with 36 events recorded during that month across the dataset.
Based on this history, Chippewa County earns a Reliability Grade of A, placing it in the 83rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Chippewa County's outage profile
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Similar counties in Wisconsin
Counties with the closest reliability grade and national percentile to Chippewa County.
| County | Grade | National percentile |
|---|---|---|
| Pepin County | A | 83rd |
| La Crosse County | A | 84th |
| Wood County | A | 82nd |
| Green County | A | 82nd |
| Dunn County | A | 85th |
FAQ
How often does power go out in Chippewa County?
Between 2014 and 2025, Chippewa County recorded 191 outage events, averaging 2.8 hours each.
What is Chippewa County's reliability grade?
Chippewa County has a Reliability Grade of A, in the 83rd national percentile.
What was the worst power outage in Chippewa County?
The worst outage on record started May 11, 2022 (Thunderstorm Wind), lasting 1 hours and affecting up to 15,629 customers.