Richland 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 6, 2016 | 13 hrs | 1,531 (19%) | Thunderstorm Wind |
| Dec 16, 2015 | 2 hrs | 1,143 (14%) | Unnamed event |
| Jul 20, 2017 | 4 hrs | 997 (12%) | Thunderstorm Wind |
| Nov 26, 2025 | 1 hrs | 693 (9%) | Unnamed event |
| Jul 20, 2017 | 11 hrs | 686 (9%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Richland County recorded 162 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Richland County started July 6, 2016 (Thunderstorm Wind), lasting 13 hours and leaving up to 1,531 customers without power (19% of the county) at its peak.
July has historically been the worst month for outages in Richland County, with 30 events recorded during that month across the dataset.
Based on this history, Richland County earns a Reliability Grade of A, placing it in the 91st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Richland County's outage profile
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Similar counties in Wisconsin
Counties with the closest reliability grade and national percentile to Richland County.
| County | Grade | National percentile |
|---|---|---|
| Columbia County | A | 90th |
| Pierce County | A | 90th |
| Douglas County | A | 91st |
| Sauk County | A | 90th |
| Dane County | A | 92nd |
FAQ
How often does power go out in Richland County?
Between 2014 and 2025, Richland County recorded 162 outage events, averaging 2.1 hours each.
What is Richland County's reliability grade?
Richland County has a Reliability Grade of A, in the 91st national percentile.
What was the worst power outage in Richland County?
The worst outage on record started July 6, 2016 (Thunderstorm Wind), lasting 13 hours and affecting up to 1,531 customers.