Kankakee CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Kankakee County, Illinois that day.
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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.