Piatt CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 3, 2023 | 22 hrs | 6,376 (69%) | Unnamed event |
| Mar 18, 2021 | 14 hrs | 5,305 (57%) | Unnamed event |
| Oct 23, 2022 | 7 hrs | 5,277 (57%) | Unnamed event |
| Apr 21, 2016 | 1 hrs | 5,103 (55%) | Unnamed event |
| Feb 26, 2017 | 3 hrs | 4,812 (52%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Piatt County, Illinois that day.
Over the 12 years from 2014 to 2025, Piatt County recorded 445 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Piatt County started March 3, 2023, lasting 22 hours and leaving up to 6,376 customers without power (69% of the county) at its peak.
May has historically been the worst month for outages in Piatt County, with 44 events recorded during that month across the dataset.
Based on this history, Piatt County earns a Reliability Grade of C, placing it in the 52nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Piatt County.
| County | Grade | National percentile |
|---|---|---|
| Bond County | C | 52nd |
| Saline County | C | 51st |
| Bureau County | C | 50th |
| Hardin County | C | 53rd |
| Johnson County | C | 53rd |
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 Piatt County?
Between 2014 and 2025, Piatt County recorded 445 outage events, averaging 2.9 hours each.
What is Piatt County's reliability grade?
Piatt County has a Reliability Grade of C, in the 52nd national percentile.
What was the worst power outage in Piatt County?
The worst outage on record started March 3, 2023, lasting 22 hours and affecting up to 6,376 customers.