Ohio CountyPower Outage History
2020–2025 · Indiana
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 7, 2022 | 14 hrs | 996 (34%) | Unnamed event |
| Jun 19, 2021 | 15 hrs | 733 (25%) | Unnamed event |
| Apr 2, 2020 | 3 hrs | 595 (21%) | Unnamed event |
| May 12, 2020 | 1 hrs | 586 (20%) | Unnamed event |
| Jul 13, 2025 | <1 hr | 553 (19%) | Unnamed event |
Over the 6 years from 2020 to 2025, Ohio County recorded 229 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Ohio County started July 7, 2022, lasting 14 hours and leaving up to 996 customers without power (34% of the county) at its peak.
June has historically been the worst month for outages in Ohio County, with 28 events recorded during that month across the dataset.
Based on this history, Ohio County earns a Reliability Grade of A, placing it in the 80th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Ohio County's outage profile
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Read our mission →Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Ohio County.
| County | Grade | National percentile |
|---|---|---|
| Clinton County | A | 80th |
| Henry County | A | 81st |
| Johnson County | A | 81st |
| Noble County | A | 82nd |
| Shelby County | A | 82nd |
Most reliable counties in Indiana
The top 3 counties in Indiana by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Cass County | A | 96th |
| Daviess County | A | 95th |
| Boone County | A | 95th |
Least reliable counties in Indiana
The bottom 3 counties in Indiana by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Brown County | F | 9th |
| Owen County | F | 12th |
| Crawford County | F | 14th |
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 Ohio County?
Between 2020 and 2025, Ohio County recorded 229 outage events, averaging 2.5 hours each.
What is Ohio County's reliability grade?
Ohio County has a Reliability Grade of A, in the 80th national percentile.
What was the worst power outage in Ohio County?
The worst outage on record started July 7, 2022, lasting 14 hours and affecting up to 996 customers.