PowerOutageHistory
D

Holmes County Power Outage History

20142025 · Ohio

Worse than average — more frequent or longer outages than most counties. How grades are calculated

Total events
472
Avg duration
3.6 hrs
Longest outage
184 hrs
National percentile
36th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 14, 2022184 hrs11,833 (39%)Thunderstorm Wind
Mar 25, 202354 hrs4,755 (16%)Unnamed event
Mar 26, 202128 hrs3,662 (12%)High Wind
Sep 11, 20200 hrs3,501 (12%)Thunderstorm Wind
Sep 11, 20200 hrs3,501 (12%)Thunderstorm Wind

Over the 12 years from 2014 to 2025, Holmes County recorded 472 distinct power outage events, averaging 3.6 hours per event.

The single worst outage on record in Holmes County started June 14, 2022 (Thunderstorm Wind), lasting 184 hours and leaving up to 11,833 customers without power (39% of the county) at its peak.

March has historically been the worst month for outages in Holmes County, with 51 events recorded during that month across the dataset.

Based on this history, Holmes County earns a Reliability Grade of D, placing it in the 36th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Holmes 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 Holmes County.

CountyGradeNational percentile
Clinton CountyD37th
Knox CountyD37th
Trumbull CountyD36th
Preble CountyD37th
Scioto CountyD38th

FAQ

How often does power go out in Holmes County?

Between 2014 and 2025, Holmes County recorded 472 outage events, averaging 3.6 hours each.

What is Holmes County's reliability grade?

Holmes County has a Reliability Grade of D, in the 36th national percentile.

What was the worst power outage in Holmes County?

The worst outage on record started June 14, 2022 (Thunderstorm Wind), lasting 184 hours and affecting up to 11,833 customers.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.