Wood 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 |
|---|---|---|---|
| Jul 20, 2019 | 57 hrs | 12,925 (27%) | Thunderstorm Wind |
| Feb 24, 2019 | 33 hrs | 6,179 (13%) | Winter Storm |
| Dec 16, 2021 | 39 hrs | 5,616 (12%) | Winter Storm |
| Apr 3, 2016 | 7 hrs | 3,930 (8%) | Unnamed event |
| May 22, 2019 | 7 hrs | 3,771 (8%) | Strong Wind |
Over the 12 years from 2014 to 2025, Wood County recorded 191 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Wood County started July 20, 2019 (Thunderstorm Wind), lasting 57 hours and leaving up to 12,925 customers without power (27% of the county) at its peak.
July has historically been the worst month for outages in Wood County, with 32 events recorded during that month across the dataset.
Based on this history, Wood County earns a Reliability Grade of A, placing it in the 82nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Wood County's outage profile
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Similar counties in Wisconsin
Counties with the closest reliability grade and national percentile to Wood County.
| County | Grade | National percentile |
|---|---|---|
| Green County | A | 82nd |
| Chippewa County | A | 83rd |
| Pepin County | A | 83rd |
| La Crosse County | A | 84th |
| Dunn County | A | 85th |
FAQ
How often does power go out in Wood County?
Between 2014 and 2025, Wood County recorded 191 outage events, averaging 2.8 hours each.
What is Wood County's reliability grade?
Wood County has a Reliability Grade of A, in the 82nd national percentile.
What was the worst power outage in Wood County?
The worst outage on record started July 20, 2019 (Thunderstorm Wind), lasting 57 hours and affecting up to 12,925 customers.