Morgan County Power Outage History
2015–2025 · 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 |
|---|---|---|---|
| Jun 18, 2025 | 15 hrs | 11,730 (46%) | Tornado |
| Jun 29, 2023 | 130 hrs | 7,265 (29%) | Drought |
| Nov 28, 2017 | 2 hrs | 6,227 (25%) | Unnamed event |
| Jul 14, 2015 | 22 hrs | 4,172 (17%) | Flash Flood |
| Aug 4, 2024 | 2 hrs | 3,315 (13%) | Unnamed event |
Over the 11 years from 2015 to 2025, Morgan County recorded 252 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Morgan County started June 18, 2025 (Tornado), lasting 15 hours and leaving up to 11,730 customers without power (46% of the county) at its peak.
July has historically been the worst month for outages in Morgan County, with 27 events recorded during that month across the dataset.
Based on this history, Morgan County earns a Reliability Grade of B, placing it in the 64th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Morgan County's outage profile
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Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Morgan County.
| County | Grade | National percentile |
|---|---|---|
| Macon County | B | 64th |
| Livingston County | B | 65th |
| Will County | B | 63rd |
| Madison County | B | 65th |
| Scott County | B | 63rd |
FAQ
How often does power go out in Morgan County?
Between 2015 and 2025, Morgan County recorded 252 outage events, averaging 2.9 hours each.
What is Morgan County's reliability grade?
Morgan County has a Reliability Grade of B, in the 64th national percentile.
What was the worst power outage in Morgan County?
The worst outage on record started June 18, 2025 (Tornado), lasting 15 hours and affecting up to 11,730 customers.