Richland 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 |
|---|---|---|---|
| Jun 14, 2022 | 163 hrs | 28,231 (33%) | Thunderstorm Wind |
| Dec 9, 2021 | 1 hrs | 8,655 (10%) | Unnamed event |
| Sep 5, 2017 | 12 hrs | 8,534 (10%) | Tornado |
| Nov 15, 2020 | 22 hrs | 8,084 (10%) | Thunderstorm Wind |
| Oct 5, 2017 | <1 hr | 7,817 (9%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Richland County, Ohio that day.
Over the 12 years from 2014 to 2025, Richland County recorded 673 distinct power outage events, averaging 3.2 hours per event.
The single worst outage on record in Richland County started June 14, 2022 (Thunderstorm Wind), lasting 163 hours and leaving up to 28,231 customers without power (33% of the county) at its peak.
July has historically been the worst month for outages in Richland County, with 86 events recorded during that month across the dataset.
Based on this history, Richland County earns a Reliability Grade of C, placing it in the 53rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Ohio
Counties with the closest reliability grade and national percentile to Richland County.
| County | Grade | National percentile |
|---|---|---|
| Franklin County | C | 53rd |
| Ottawa County | C | 52nd |
| Muskingum County | C | 54th |
| Hamilton County | C | 55th |
| Fayette County | C | 50th |
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 Richland County?
Between 2014 and 2025, Richland County recorded 673 outage events, averaging 3.2 hours each.
What is Richland County's reliability grade?
Richland County has a Reliability Grade of C, in the 53rd national percentile.
What was the worst power outage in Richland County?
The worst outage on record started June 14, 2022 (Thunderstorm Wind), lasting 163 hours and affecting up to 28,231 customers.