Vermilion County Power Outage History
2014–2025 · Illinois
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 29, 2023 | 138 hrs | 32,688 (70%) | Drought |
| Feb 24, 2016 | 17 hrs | 7,527 (16%) | Blizzard |
| Apr 2, 2016 | 7 hrs | 6,446 (14%) | High Wind |
| Nov 16, 2022 | 2 hrs | 6,027 (13%) | Unnamed event |
| Mar 1, 2017 | 4 hrs | 6,022 (13%) | Dense Fog |
Over the 12 years from 2014 to 2025, Vermilion County recorded 431 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Vermilion County started June 29, 2023 (Drought), lasting 138 hours and leaving up to 32,688 customers without power (70% of the county) at its peak.
June has historically been the worst month for outages in Vermilion County, with 55 events recorded during that month across the dataset.
Based on this history, Vermilion County earns a Reliability Grade of C, placing it in the 46th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Vermilion County.
| County | Grade | National percentile |
|---|---|---|
| Fayette County | C | 46th |
| Lee County | C | 46th |
| Pope County | C | 45th |
| Shelby County | C | 46th |
| Carroll County | C | 45th |
FAQ
How often does power go out in Vermilion County?
Between 2014 and 2025, Vermilion County recorded 431 outage events, averaging 2.3 hours each.
What is Vermilion County's reliability grade?
Vermilion County has a Reliability Grade of C, in the 46th national percentile.
What was the worst power outage in Vermilion County?
The worst outage on record started June 29, 2023 (Drought), lasting 138 hours and affecting up to 32,688 customers.