Macoupin CountyPower Outage History
What this grade means
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 |
|---|---|---|---|
| Jul 16, 2022 | <1 hr | 6,125 (19%) | Unnamed event |
| May 16, 2025 | 25 hrs | 4,693 (15%) | Thunderstorm Wind |
| Jun 17, 2022 | 54 hrs | 4,559 (14%) | Hail |
| Dec 16, 2021 | 8 hrs | 4,102 (13%) | Thunderstorm Wind |
| Mar 7, 2017 | 18 hrs | 3,913 (12%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Macoupin County, Illinois that day.
Over the 12 years from 2014 to 2025, Macoupin County recorded 453 distinct power outage events, averaging 3.1 hours per event.
The single worst outage on record in Macoupin County started July 16, 2022, lasting less than 1 hour and leaving up to 6,125 customers without power (19% of the county) at its peak.
July has historically been the worst month for outages in Macoupin County, with 61 events recorded during that month across the dataset.
Based on this history, Macoupin 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 Macoupin County.
| County | Grade | National percentile |
|---|---|---|
| Mason County | B | 75th |
| Pulaski County | B | 75th |
| Union County | B | 76th |
| McDonough County | B | 76th |
| Jackson County | B | 74th |
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 Macoupin County?
Between 2014 and 2025, Macoupin County recorded 453 outage events, averaging 3.1 hours each.
What is Macoupin County's reliability grade?
Macoupin County has a Reliability Grade of B, in the 75th national percentile.
What was the worst power outage in Macoupin County?
The worst outage on record started July 16, 2022, lasting less than 1 hour and affecting up to 6,125 customers.