Adams CountyPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 3, 2023 | 72 hrs | 8,083 (48%) | Unnamed event |
| Apr 3, 2024 | 27 hrs | 7,694 (46%) | Tornado |
| Dec 28, 2024 | 5 hrs | 6,274 (37%) | Unnamed event |
| Sep 27, 2024 | 97 hrs | 6,241 (37%) | Hurricane Helene |
| Mar 11, 2020 | 4 hrs | 5,899 (35%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Adams County, Ohio that day.
Over the 12 years from 2014 to 2025, Adams County recorded 935 distinct power outage events, averaging 3.2 hours per event.
The single worst outage on record in Adams County started March 3, 2023, lasting 72 hours and leaving up to 8,083 customers without power (48% of the county) at its peak.
July has historically been the worst month for outages in Adams County, with 157 events recorded during that month across the dataset.
Based on this history, Adams County earns a Reliability Grade of F, placing it in the 17th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Adams County.
| County | Grade | National percentile |
|---|---|---|
| Geauga County | F | 16th |
| Lawrence County | F | 15th |
| Monroe County | D | 22nd |
| Perry County | D | 22nd |
| Meigs County | F | 12th |
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 Adams County?
Between 2014 and 2025, Adams County recorded 935 outage events, averaging 3.2 hours each.
What is Adams County's reliability grade?
Adams County has a Reliability Grade of F, in the 17th national percentile.
What was the worst power outage in Adams County?
The worst outage on record started March 3, 2023, lasting 72 hours and affecting up to 8,083 customers.