Brown CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 27, 2024 | 76 hrs | 8,984 (41%) | Hurricane Helene |
| Mar 1, 2017 | 60 hrs | 5,596 (26%) | Hail |
| Nov 15, 2018 | 19 hrs | 5,254 (24%) | Unnamed event |
| Mar 3, 2023 | 50 hrs | 4,948 (23%) | Thunderstorm Wind |
| Jun 13, 2016 | 3 hrs | 4,671 (22%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Brown County, Ohio that day.
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).
Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Brown County.
| County | Grade | National percentile |
|---|---|---|
| Lake County | D | 22nd |
| Perry County | D | 22nd |
| Monroe County | D | 22nd |
| Jackson County | D | 25th |
| Ashtabula County | D | 26th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.