Shelby 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 |
|---|---|---|---|
| Nov 16, 2016 | 2 hrs | 7,446 (40%) | Unnamed event |
| May 15, 2017 | 2 hrs | 5,396 (29%) | Unnamed event |
| Jan 19, 2019 | 3 hrs | 5,118 (28%) | Winter Weather |
| Aug 22, 2020 | 3 hrs | 5,105 (27%) | Unnamed event |
| Feb 15, 2016 | 1 hrs | 5,049 (27%) | Unnamed event |
Over the 12 years from 2014 to 2025, Shelby County recorded 524 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Shelby County started November 16, 2016, lasting 2 hours and leaving up to 7,446 customers without power (40% of the county) at its peak.
July has historically been the worst month for outages in Shelby County, with 62 events recorded during that month across the dataset.
Based on this history, Shelby County earns a Reliability Grade of B, placing it in the 66th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Shelby 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 Shelby County.
| County | Grade | National percentile |
|---|---|---|
| Greene County | B | 65th |
| Hancock County | B | 67th |
| Stark County | B | 67th |
| Mahoning County | B | 63rd |
| Hardin County | B | 68th |
FAQ
How often does power go out in Shelby County?
Between 2014 and 2025, Shelby County recorded 524 outage events, averaging 2.1 hours each.
What is Shelby County's reliability grade?
Shelby County has a Reliability Grade of B, in the 66th national percentile.
What was the worst power outage in Shelby County?
The worst outage on record started November 16, 2016, lasting 2 hours and affecting up to 7,446 customers.