Macon 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 29, 2023 | 114 hrs | 19,996 (29%) | Drought |
| Jul 12, 2015 | 9 hrs | 7,290 (11%) | Thunderstorm Wind |
| Jul 12, 2020 | 37 hrs | 7,108 (10%) | Thunderstorm Wind |
| May 16, 2025 | 46 hrs | 6,405 (9%) | Thunderstorm Wind |
| May 16, 2025 | 18 hrs | 6,202 (9%) | Thunderstorm Wind |
Over the 11 years from 2015 to 2025, Macon County recorded 514 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Macon County started June 29, 2023 (Drought), lasting 114 hours and leaving up to 19,996 customers without power (29% of the county) at its peak.
June has historically been the worst month for outages in Macon County, with 58 events recorded during that month across the dataset.
Based on this history, Macon County earns a Reliability Grade of B, placing it in the 64th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Macon County's outage profile
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Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Macon County.
| County | Grade | National percentile |
|---|---|---|
| Morgan County | B | 64th |
| Livingston County | B | 65th |
| Will County | B | 63rd |
| Madison County | B | 65th |
| Cumberland County | B | 65th |
FAQ
How often does power go out in Macon County?
Between 2015 and 2025, Macon County recorded 514 outage events, averaging 2.5 hours each.
What is Macon County's reliability grade?
Macon County has a Reliability Grade of B, in the 64th national percentile.
What was the worst power outage in Macon County?
The worst outage on record started June 29, 2023 (Drought), lasting 114 hours and affecting up to 19,996 customers.