Morgan 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 |
|---|---|---|---|
| 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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Morgan County, Illinois that day.
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).
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 |
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 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.