Richland County Power Outage History
2014–2025 · Illinois
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 1, 2022 | 25 hrs | 3,479 (28%) | Hail |
| Jun 17, 2022 | 11 hrs | 2,305 (18%) | Tornado |
| Aug 7, 2023 | 17 hrs | 1,331 (11%) | Unnamed event |
| May 3, 2022 | 2 hrs | 1,228 (10%) | Unnamed event |
| May 31, 2018 | 9 hrs | 1,210 (10%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Richland County recorded 262 distinct power outage events, averaging 2.2 hours per event.
The single worst outage on record in Richland County started August 1, 2022 (Hail), lasting 25 hours and leaving up to 3,479 customers without power (28% of the county) at its peak.
July has historically been the worst month for outages in Richland County, with 35 events recorded during that month across the dataset.
Based on this history, Richland County earns a Reliability Grade of A, placing it in the 87th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Richland County's outage profile
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Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Richland County.
| County | Grade | National percentile |
|---|---|---|
| Wayne County | A | 88th |
| White County | A | 88th |
| DeKalb County | A | 89th |
| Coles County | A | 84th |
| Effingham County | A | 89th |
FAQ
How often does power go out in Richland County?
Between 2014 and 2025, Richland County recorded 262 outage events, averaging 2.2 hours each.
What is Richland County's reliability grade?
Richland County has a Reliability Grade of A, in the 87th national percentile.
What was the worst power outage in Richland County?
The worst outage on record started August 1, 2022 (Hail), lasting 25 hours and affecting up to 3,479 customers.