Pulaski CountyPower Outage History
2015–2025 · Illinois
Better than average — fewer or shorter outages than most counties.
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 |
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).
Sized for Pulaski County's outage profile
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Outage-prep kit
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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 in Illinois
The top 3 counties in Illinois by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Wabash County | A | 97th |
| Massac County | A | 94th |
| Kendall County | A | 93rd |
Least reliable counties in Illinois
The bottom 3 counties in Illinois by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Mercer County | F | 11th |
| Stark County | F | 13th |
| Henderson County | F | 19th |
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.