Jefferson County Power Outage History
2014–2025 · Ohio
Worse than average — more frequent or longer 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 15, 2020 | 0 hrs | 19,341 (43%) | Unnamed event |
| Sep 15, 2020 | 1 hrs | 19,341 (43%) | Unnamed event |
| Sep 11, 2020 | 0 hrs | 19,331 (43%) | Unnamed event |
| Sep 11, 2020 | 0 hrs | 19,331 (43%) | Unnamed event |
| Sep 11, 2020 | 0 hrs | 19,331 (43%) | Unnamed event |
Over the 12 years from 2014 to 2025, Jefferson County recorded 676 distinct power outage events, averaging 4.3 hours per event.
The single worst outage on record in Jefferson County started September 15, 2020, lasting 0 hours and leaving up to 19,341 customers without power (43% of the county) at its peak.
July has historically been the worst month for outages in Jefferson County, with 93 events recorded during that month across the dataset.
Based on this history, Jefferson County earns a Reliability Grade of D, placing it in the 32nd percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Jefferson County.
| County | Grade | National percentile |
|---|---|---|
| Columbiana County | D | 31st |
| Ross County | D | 33rd |
| Tuscarawas County | D | 34th |
| Gallia County | D | 30th |
| Athens County | D | 30th |
FAQ
How often does power go out in Jefferson County?
Between 2014 and 2025, Jefferson County recorded 676 outage events, averaging 4.3 hours each.
What is Jefferson County's reliability grade?
Jefferson County has a Reliability Grade of D, in the 32nd national percentile.
What was the worst power outage in Jefferson County?
The worst outage on record started September 15, 2020, lasting 0 hours and affecting up to 19,341 customers.