Putnam County Power Outage History
2014–2025 · Ohio
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 4, 2018 | 1 hrs | 2,987 (19%) | Unnamed event |
| Apr 2, 2025 | 6 hrs | 2,676 (17%) | Flood |
| Jul 27, 2019 | 2 hrs | 2,297 (15%) | Unnamed event |
| Jun 14, 2022 | 57 hrs | 1,669 (11%) | Thunderstorm Wind |
| May 23, 2019 | 6 hrs | 1,438 (9%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Putnam County recorded 355 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Putnam County started September 4, 2018, lasting 1 hours and leaving up to 2,987 customers without power (19% of the county) at its peak.
April has historically been the worst month for outages in Putnam County, with 46 events recorded during that month across the dataset.
Based on this history, Putnam County earns a Reliability Grade of B, placing it in the 79th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Putnam County's outage profile
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Outage-prep kit
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Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Putnam County.
| County | Grade | National percentile |
|---|---|---|
| Clark County | B | 80th |
| Crawford County | B | 77th |
| Sandusky County | A | 81st |
| Mercer County | B | 76th |
| Wyandot County | B | 76th |
FAQ
How often does power go out in Putnam County?
Between 2014 and 2025, Putnam County recorded 355 outage events, averaging 2.7 hours each.
What is Putnam County's reliability grade?
Putnam County has a Reliability Grade of B, in the 79th national percentile.
What was the worst power outage in Putnam County?
The worst outage on record started September 4, 2018, lasting 1 hours and affecting up to 2,987 customers.