Eau Claire 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 | 26,746 (48%) | Funnel Cloud |
| Jul 29, 2025 | 14 hrs | 9,162 (17%) | Thunderstorm Wind |
| Nov 22, 2023 | 3 hrs | 8,668 (16%) | Unnamed event |
| Jul 31, 2021 | <1 hr | 8,654 (16%) | Thunderstorm Wind |
| Jul 20, 2023 | 2 hrs | 7,095 (13%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Eau Claire County, Wisconsin that day.
Over the 12 years from 2014 to 2025, Eau Claire County recorded 234 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Eau Claire County started May 11, 2022 (Funnel Cloud), lasting less than 1 hour and leaving up to 26,746 customers without power (48% of the county) at its peak.
June has historically been the worst month for outages in Eau Claire County, with 48 events recorded during that month across the dataset.
Based on this history, Eau Claire County earns a Reliability Grade of A, placing it in the 90th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Wisconsin
Counties with the closest reliability grade and national percentile to Eau Claire County.
| County | Grade | National percentile |
|---|---|---|
| Fond du Lac County | A | 90th |
| Sauk County | A | 90th |
| Pierce County | A | 90th |
| Columbia County | A | 90th |
| Rock County | A | 89th |
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 Eau Claire County?
Between 2014 and 2025, Eau Claire County recorded 234 outage events, averaging 2.3 hours each.
What is Eau Claire County's reliability grade?
Eau Claire County has a Reliability Grade of A, in the 90th national percentile.
What was the worst power outage in Eau Claire County?
The worst outage on record started May 11, 2022 (Funnel Cloud), lasting less than 1 hour and affecting up to 26,746 customers.