PowerOutageHistory
D

Brown County Power Outage History

20142025 · Ohio

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

Total events
830
Avg duration
3.0 hrs
Longest outage
76 hrs
National percentile
24th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 27, 202476 hrs8,984 (41%)Hurricane Helene
Mar 1, 201760 hrs5,596 (26%)Hail
Nov 15, 201819 hrs5,254 (24%)Unnamed event
Mar 3, 202350 hrs4,948 (23%)Thunderstorm Wind
Jun 13, 20163 hrs4,671 (22%)Unnamed event

Over the 12 years from 2014 to 2025, Brown County recorded 830 distinct power outage events, averaging 3.0 hours per event.

The single worst outage on record in Brown County started September 27, 2024 (Hurricane Helene), lasting 76 hours and leaving up to 8,984 customers without power (41% of the county) at its peak.

July has historically been the worst month for outages in Brown County, with 114 events recorded during that month across the dataset.

Based on this history, Brown County earns a Reliability Grade of D, placing it in the 24th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Brown 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 Brown County.

CountyGradeNational percentile
Lake CountyD22nd
Perry CountyD22nd
Monroe CountyD22nd
Jackson CountyD25th
Ashtabula CountyD26th

FAQ

How often does power go out in Brown County?

Between 2014 and 2025, Brown County recorded 830 outage events, averaging 3.0 hours each.

What is Brown County's reliability grade?

Brown County has a Reliability Grade of D, in the 24th national percentile.

What was the worst power outage in Brown County?

The worst outage on record started September 27, 2024 (Hurricane Helene), lasting 76 hours and affecting up to 8,984 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.