Scott CountyPower Outage History
What this grade means
(How grades are calculated)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 |
|---|---|---|---|
| Jun 21, 2019 | 61 hrs | 5,378 (81%) | Unnamed event |
| Jun 28, 2018 | 5 hrs | 2,868 (43%) | Unnamed event |
| Sep 19, 2019 | <1 hr | 2,411 (36%) | Unnamed event |
| May 25, 2019 | <1 hr | 1,876 (28%) | Unnamed event |
| Jul 9, 2019 | 4 hrs | 1,857 (28%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Scott County, Illinois that day.
Over the 12 years from 2014 to 2025, Scott County recorded 283 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Scott County started June 21, 2019, lasting 61 hours and leaving up to 5,378 customers without power (81% of the county) at its peak.
June has historically been the worst month for outages in Scott County, with 46 events recorded during that month across the dataset.
Based on this history, Scott County earns a Reliability Grade of B, placing it in the 63rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Scott County.
| County | Grade | National percentile |
|---|---|---|
| Brown County | B | 63rd |
| Will County | B | 63rd |
| Adams County | B | 62nd |
| Franklin County | B | 62nd |
| Morgan County | B | 64th |
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 Scott County?
Between 2014 and 2025, Scott County recorded 283 outage events, averaging 2.6 hours each.
What is Scott County's reliability grade?
Scott County has a Reliability Grade of B, in the 63rd national percentile.
What was the worst power outage in Scott County?
The worst outage on record started June 21, 2019, lasting 61 hours and affecting up to 5,378 customers.