Kankakee 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 |
|---|---|---|---|
| Aug 10, 2020 | 11 hrs | 26,788 (31%) | Thunderstorm Wind |
| Aug 11, 2020 | 11 hrs | 23,096 (27%) | Thunderstorm Wind |
| Aug 11, 2020 | 43 hrs | 18,192 (21%) | Thunderstorm Wind |
| Jun 30, 2019 | 54 hrs | 17,728 (21%) | Thunderstorm Wind |
| Jul 16, 2024 | 60 hrs | 12,862 (15%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Kankakee County recorded 560 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Kankakee County started August 10, 2020 (Thunderstorm Wind), lasting 11 hours and leaving up to 26,788 customers without power (31% of the county) at its peak.
June has historically been the worst month for outages in Kankakee County, with 85 events recorded during that month across the dataset.
Based on this history, Kankakee County earns a Reliability Grade of B, placing it in the 66th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Kankakee County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
See our outage-prep guides.
Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Kankakee County.
| County | Grade | National percentile |
|---|---|---|
| Cumberland County | B | 65th |
| Madison County | B | 65th |
| Livingston County | B | 65th |
| McHenry County | B | 67th |
| Pike County | B | 67th |
FAQ
How often does power go out in Kankakee County?
Between 2014 and 2025, Kankakee County recorded 560 outage events, averaging 2.1 hours each.
What is Kankakee County's reliability grade?
Kankakee County has a Reliability Grade of B, in the 66th national percentile.
What was the worst power outage in Kankakee County?
The worst outage on record started August 10, 2020 (Thunderstorm Wind), lasting 11 hours and affecting up to 26,788 customers.