Oneida County Power Outage History
2014–2025 · Wisconsin
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Dec 16, 2021 | 15 hrs | 16,909 (46%) | Winter Storm |
| Jun 10, 2016 | 56 hrs | 16,782 (46%) | Thunderstorm Wind |
| Mar 30, 2025 | 91 hrs | 15,106 (41%) | Winter Storm |
| May 22, 2019 | 26 hrs | 14,156 (39%) | Strong Wind |
| Nov 27, 2019 | 56 hrs | 13,932 (38%) | Winter Storm |
Over the 12 years from 2014 to 2025, Oneida County recorded 915 distinct power outage events, averaging 3.2 hours per event.
The single worst outage on record in Oneida County started December 16, 2021 (Winter Storm), lasting 15 hours and leaving up to 16,909 customers without power (46% of the county) at its peak.
June has historically been the worst month for outages in Oneida County, with 147 events recorded during that month across the dataset.
Based on this history, Oneida County earns a Reliability Grade of F, placing it in the 12th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Oneida County's outage profile
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Similar counties in Wisconsin
Counties with the closest reliability grade and national percentile to Oneida County.
| County | Grade | National percentile |
|---|---|---|
| Forest County | F | 14th |
| Menominee County | F | 15th |
| Marinette County | F | 15th |
| Vilas County | F | 8th |
| Langlade County | F | 16th |
FAQ
How often does power go out in Oneida County?
Between 2014 and 2025, Oneida County recorded 915 outage events, averaging 3.2 hours each.
What is Oneida County's reliability grade?
Oneida County has a Reliability Grade of F, in the 12th national percentile.
What was the worst power outage in Oneida County?
The worst outage on record started December 16, 2021 (Winter Storm), lasting 15 hours and affecting up to 16,909 customers.