Pulaski CountyPower Outage History
What this grade means
(How grades are calculated)Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 21, 2019 | 26 hrs | 1,576 (35%) | Flood |
| Mar 13, 2025 | <1 hr | 1,274 (28%) | Strong Wind |
| Dec 5, 2023 | 1 hrs | 1,229 (27%) | Freezing Fog |
| Jul 9, 2015 | 1 hrs | 1,147 (26%) | Flood |
| Jun 29, 2018 | 13 hrs | 1,100 (24%) | Hail |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Pulaski County, Illinois that day.
Over the 11 years from 2015 to 2025, Pulaski County recorded 207 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Pulaski County started June 21, 2019 (Flood), lasting 26 hours and leaving up to 1,576 customers without power (35% of the county) at its peak.
June has historically been the worst month for outages in Pulaski County, with 32 events recorded during that month across the dataset.
Based on this history, Pulaski County earns a Reliability Grade of B, placing it in the 75th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Pulaski County.
| County | Grade | National percentile |
|---|---|---|
| Mason County | B | 75th |
| Macoupin County | B | 75th |
| Jackson County | B | 74th |
| Union County | B | 76th |
| McDonough County | B | 76th |
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 Pulaski County?
Between 2015 and 2025, Pulaski County recorded 207 outage events, averaging 2.5 hours each.
What is Pulaski County's reliability grade?
Pulaski County has a Reliability Grade of B, in the 75th national percentile.
What was the worst power outage in Pulaski County?
The worst outage on record started June 21, 2019 (Flood), lasting 26 hours and affecting up to 1,576 customers.