Putnam County Power Outage History
2014–2025 · Indiana
Average — typical outage frequency and duration nationally. How grades are calculated
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 |
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).
Sized for Putnam County's outage profile
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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 |
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.