Chippewa CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 11, 2022 | <1 hr | 15,629 (50%) | Thunderstorm Wind |
| Jul 13, 2015 | <1 hr | 5,957 (19%) | Heavy Rain |
| Jul 13, 2015 | <1 hr | 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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Chippewa County, Wisconsin that day.
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 less than 1 hour 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).
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 |
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 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 less than 1 hour and affecting up to 15,629 customers.