Clinton County Power Outage History
2014–2025 · Illinois
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 15, 2020 | 4 hrs | 12,244 (62%) | Unnamed event |
| Jan 27, 2016 | 7 hrs | 7,166 (36%) | Unnamed event |
| Feb 2, 2022 | 12 hrs | 6,432 (33%) | Heavy Snow |
| Jun 1, 2022 | 1 hrs | 5,662 (29%) | Unnamed event |
| Jun 28, 2018 | 15 hrs | 5,259 (27%) | Excessive Heat |
Over the 12 years from 2014 to 2025, Clinton County recorded 440 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Clinton County started November 15, 2020, lasting 4 hours and leaving up to 12,244 customers without power (62% of the county) at its peak.
July has historically been the worst month for outages in Clinton County, with 64 events recorded during that month across the dataset.
Based on this history, Clinton County earns a Reliability Grade of B, placing it in the 68th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Clinton County's outage profile
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Outage-prep kit
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Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Clinton County.
| County | Grade | National percentile |
|---|---|---|
| Peoria County | B | 68th |
| Sangamon County | B | 68th |
| Tazewell County | B | 69th |
| Pike County | B | 67th |
| McHenry County | B | 67th |
FAQ
How often does power go out in Clinton County?
Between 2014 and 2025, Clinton County recorded 440 outage events, averaging 2.5 hours each.
What is Clinton County's reliability grade?
Clinton County has a Reliability Grade of B, in the 68th national percentile.
What was the worst power outage in Clinton County?
The worst outage on record started November 15, 2020, lasting 4 hours and affecting up to 12,244 customers.