Scott CountyPower Outage History
2014–2025 · Illinois
Better than average — fewer or shorter outages than most counties.
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 |
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).
Sized for Scott County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
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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 in Illinois
The top 3 counties in Illinois by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Wabash County | A | 97th |
| Massac County | A | 94th |
| Kendall County | A | 93rd |
Least reliable counties in Illinois
The bottom 3 counties in Illinois by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Mercer County | F | 11th |
| Stark County | F | 13th |
| Henderson County | F | 19th |
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.