Allen CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 11, 2020 | <1 hr | 15,274 (29%) | Unnamed event |
| Sep 11, 2020 | <1 hr | 15,274 (29%) | Unnamed event |
| Sep 11, 2020 | <1 hr | 15,274 (29%) | Unnamed event |
| Sep 15, 2020 | <1 hr | 15,260 (29%) | Unnamed event |
| Sep 15, 2020 | <1 hr | 15,259 (29%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Allen County, Ohio that day.
Over the 12 years from 2014 to 2025, Allen County recorded 647 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Allen County started September 11, 2020, lasting less than 1 hour and leaving up to 15,274 customers without power (29% of the county) at its peak.
June has historically been the worst month for outages in Allen County, with 71 events recorded during that month across the dataset.
Based on this history, Allen County earns a Reliability Grade of C, placing it in the 58th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Allen County.
| County | Grade | National percentile |
|---|---|---|
| Lorain County | C | 59th |
| Champaign County | C | 59th |
| Paulding County | C | 58th |
| Logan County | C | 57th |
| Pickaway County | C | 57th |
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 Allen County?
Between 2014 and 2025, Allen County recorded 647 outage events, averaging 2.9 hours each.
What is Allen County's reliability grade?
Allen County has a Reliability Grade of C, in the 58th national percentile.
What was the worst power outage in Allen County?
The worst outage on record started September 11, 2020, lasting less than 1 hour and affecting up to 15,274 customers.