Madison 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 |
|---|---|---|---|
| Apr 3, 2025 | 102 hrs | 19,615 (26%) | Hail |
| Jun 18, 2025 | 60 hrs | 12,366 (16%) | Flood |
| Jul 8, 2020 | 7 hrs | 9,250 (12%) | Flood |
| Aug 10, 2020 | 34 hrs | 9,141 (12%) | Thunderstorm Wind |
| Sep 27, 2024 | 26 hrs | 8,100 (11%) | Tropical Storm Helene |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Madison County, Indiana that day.
Over the 12 years from 2014 to 2025, Madison County recorded 659 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Madison County started April 3, 2025 (Hail), lasting 102 hours and leaving up to 19,615 customers without power (26% of the county) at its peak.
June has historically been the worst month for outages in Madison County, with 92 events recorded during that month across the dataset.
Based on this history, Madison County earns a Reliability Grade of C, placing it in the 55th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Madison County.
| County | Grade | National percentile |
|---|---|---|
| Jennings County | C | 55th |
| Putnam County | C | 54th |
| Marion County | C | 53rd |
| Vanderburgh County | C | 53rd |
| Franklin 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 Madison County?
Between 2014 and 2025, Madison County recorded 659 outage events, averaging 3.3 hours each.
What is Madison County's reliability grade?
Madison County has a Reliability Grade of C, in the 55th national percentile.
What was the worst power outage in Madison County?
The worst outage on record started April 3, 2025 (Hail), lasting 102 hours and affecting up to 19,615 customers.