Putnam 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 |
|---|---|---|---|
| Jun 29, 2023 | 109 hrs | 9,273 (43%) | Thunderstorm Wind |
| Jun 18, 2025 | 45 hrs | 6,808 (31%) | Flood |
| Oct 22, 2017 | 1 hrs | 3,033 (14%) | Unnamed event |
| Jun 19, 2021 | 38 hrs | 2,678 (12%) | Hail |
| Mar 18, 2020 | 2 hrs | 2,445 (11%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Putnam County, Indiana that day.
Over the 12 years from 2014 to 2025, Putnam County recorded 443 distinct power outage events, averaging 3.1 hours per event.
The single worst outage on record in Putnam County started June 29, 2023 (Thunderstorm Wind), lasting 109 hours and leaving up to 9,273 customers without power (43% of the county) at its peak.
June has historically been the worst month for outages in Putnam County, with 51 events recorded during that month across the dataset.
Based on this history, Putnam County earns a Reliability Grade of C, placing it in the 54th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Putnam County.
| County | Grade | National percentile |
|---|---|---|
| Marion County | C | 53rd |
| Vanderburgh County | C | 53rd |
| Madison County | C | 55th |
| Jennings County | C | 55th |
| 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 Putnam County?
Between 2014 and 2025, Putnam County recorded 443 outage events, averaging 3.1 hours each.
What is Putnam County's reliability grade?
Putnam County has a Reliability Grade of C, in the 54th national percentile.
What was the worst power outage in Putnam County?
The worst outage on record started June 29, 2023 (Thunderstorm Wind), lasting 109 hours and affecting up to 9,273 customers.