De Witt CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 29, 2023 | 105 hrs | 5,542 (58%) | Drought |
| Feb 25, 2017 | 10 hrs | 3,613 (38%) | Unnamed event |
| Jan 3, 2021 | 44 hrs | 3,006 (31%) | Ice Storm |
| Nov 9, 2025 | 9 hrs | 2,596 (27%) | Drought |
| Nov 9, 2025 | 11 hrs | 2,592 (27%) | Drought |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for De Witt County, Illinois that day.
Over the 12 years from 2014 to 2025, De Witt County recorded 472 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in De Witt County started June 29, 2023 (Drought), lasting 105 hours and leaving up to 5,542 customers without power (58% of the county) at its peak.
May has historically been the worst month for outages in De Witt County, with 52 events recorded during that month across the dataset.
Based on this history, De Witt County earns a Reliability Grade of D, placing it in the 32nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Illinois
Counties with the closest reliability grade and national percentile to De Witt County.
| County | Grade | National percentile |
|---|---|---|
| Washington County | D | 31st |
| Gallatin County | D | 35th |
| Warren County | D | 35th |
| Edgar County | D | 29th |
| Monroe County | D | 38th |
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 De Witt County?
Between 2014 and 2025, De Witt County recorded 472 outage events, averaging 3.0 hours each.
What is De Witt County's reliability grade?
De Witt County has a Reliability Grade of D, in the 32nd national percentile.
What was the worst power outage in De Witt County?
The worst outage on record started June 29, 2023 (Drought), lasting 105 hours and affecting up to 5,542 customers.