Vanderburgh 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 |
|---|---|---|---|
| Jan 6, 2025 | 9 hrs | 38,624 (36%) | Winter Storm |
| Jan 6, 2025 | 1 hrs | 36,297 (34%) | Winter Storm |
| Jan 21, 2020 | <1 hr | 35,769 (33%) | Unnamed event |
| Jan 6, 2025 | 26 hrs | 33,258 (31%) | Winter Storm |
| Jan 6, 2025 | <1 hr | 31,295 (29%) | Winter Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Vanderburgh County, Indiana that day.
Over the 9 years from 2017 to 2025, Vanderburgh County recorded 859 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Vanderburgh County started January 6, 2025 (Winter Storm), lasting 9 hours and leaving up to 38,624 customers without power (36% of the county) at its peak.
July has historically been the worst month for outages in Vanderburgh County, with 109 events recorded during that month across the dataset.
Based on this history, Vanderburgh County earns a Reliability Grade of C, placing it in the 53rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Vanderburgh County.
| County | Grade | National percentile |
|---|---|---|
| Marion County | C | 53rd |
| Franklin County | C | 53rd |
| Sullivan County | C | 53rd |
| Putnam County | C | 54th |
| Madison County | C | 55th |
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 Vanderburgh County?
Between 2017 and 2025, Vanderburgh County recorded 859 outage events, averaging 2.6 hours each.
What is Vanderburgh County's reliability grade?
Vanderburgh County has a Reliability Grade of C, in the 53rd national percentile.
What was the worst power outage in Vanderburgh County?
The worst outage on record started January 6, 2025 (Winter Storm), lasting 9 hours and affecting up to 38,624 customers.