Eau Claire 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 | 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 hrs | 8,654 (16%) | Thunderstorm Wind |
| Jul 20, 2023 | 2 hrs | 7,095 (13%) | Unnamed event |
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 1 hours 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).
Sized for Eau Claire County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
See our outage-prep guides.
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 |
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 1 hours and affecting up to 26,746 customers.