Douglas County Power Outage History
2014–2025 · Illinois
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 29, 2023 | 102 hrs | 8,942 (75%) | Drought |
| Feb 24, 2016 | 30 hrs | 7,847 (66%) | Blizzard |
| Aug 25, 2021 | 3 hrs | 4,431 (37%) | Unnamed event |
| Mar 15, 2025 | 12 hrs | 3,557 (30%) | Unnamed event |
| Dec 11, 2021 | 1 hrs | 3,339 (28%) | Unnamed event |
Over the 12 years from 2014 to 2025, Douglas County recorded 310 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Douglas County started June 29, 2023 (Drought), lasting 102 hours and leaving up to 8,942 customers without power (75% of the county) at its peak.
July has historically been the worst month for outages in Douglas County, with 38 events recorded during that month across the dataset.
Based on this history, Douglas County earns a Reliability Grade of C, placing it in the 48th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Douglas County's outage profile
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Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Douglas County.
| County | Grade | National percentile |
|---|---|---|
| Christian County | C | 48th |
| Jefferson County | C | 47th |
| LaSalle County | C | 49th |
| Calhoun County | C | 49th |
| Shelby County | C | 46th |
FAQ
How often does power go out in Douglas County?
Between 2014 and 2025, Douglas County recorded 310 outage events, averaging 2.8 hours each.
What is Douglas County's reliability grade?
Douglas County has a Reliability Grade of C, in the 48th national percentile.
What was the worst power outage in Douglas County?
The worst outage on record started June 29, 2023 (Drought), lasting 102 hours and affecting up to 8,942 customers.