Kane 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 11, 2021 | 33 hrs | 23,054 (12%) | Thunderstorm Wind |
| Feb 22, 2023 | 71 hrs | 19,833 (10%) | Winter Weather |
| Aug 16, 2025 | 54 hrs | 18,870 (9%) | Thunderstorm Wind |
| Aug 29, 2018 | 24 hrs | 15,488 (8%) | Hail |
| Jul 10, 2020 | 27 hrs | 15,376 (8%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Kane County, Illinois that day.
Over the 12 years from 2014 to 2025, Kane County recorded 1,223 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Kane County started August 11, 2021 (Thunderstorm Wind), lasting 33 hours and leaving up to 23,054 customers without power (12% of the county) at its peak.
July has historically been the worst month for outages in Kane County, with 161 events recorded during that month across the dataset.
Based on this history, Kane County earns a Reliability Grade of B, placing it in the 79th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Kane County.
| County | Grade | National percentile |
|---|---|---|
| Cook County | B | 79th |
| Champaign County | B | 79th |
| Henry County | B | 78th |
| Montgomery County | A | 80th |
| DuPage County | A | 80th |
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 Kane County?
Between 2014 and 2025, Kane County recorded 1,223 outage events, averaging 2.0 hours each.
What is Kane County's reliability grade?
Kane County has a Reliability Grade of B, in the 79th national percentile.
What was the worst power outage in Kane County?
The worst outage on record started August 11, 2021 (Thunderstorm Wind), lasting 33 hours and affecting up to 23,054 customers.