PowerOutageHistory
Reliability Grade
C
Average
2014-2025
Ohio

Franklin CountyPower Outage History

20142025 · Ohio
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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.

Takeaway
Typical outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide53rd pct
In Ohio#45 of 88
See full Ohio rankings →
Total events
6,021
Recorded 2014–2025
Avg duration
2.6 hrs
Per outage event
Longest outage
152 hrs
Single worst event on record
Customers served
600,887
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 14, 202271 hrs165,305 (28%)Thunderstorm Wind
Sep 15, 2020<1 hr153,200 (26%)Unnamed event
Sep 15, 20202 hrs153,200 (26%)Unnamed event
Sep 11, 2020<1 hr153,123 (25%)Unnamed event
Sep 11, 2020<1 hr153,123 (25%)Unnamed event

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Franklin County, Ohio that day.

Over the 12 years from 2014 to 2025, Franklin County recorded 6,021 distinct power outage events, averaging 2.6 hours per event.

The single worst outage on record in Franklin County started June 14, 2022 (Thunderstorm Wind), lasting 71 hours and leaving up to 165,305 customers without power (28% of the county) at its peak.

June has historically been the worst month for outages in Franklin County, with 753 events recorded during that month across the dataset.

Based on this history, Franklin 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 Franklin County.

CountyGradeNational percentile
Richland CountyC53rd
Ottawa CountyC52nd
Muskingum CountyC54th
Hamilton CountyC55th
Summit CountyC55th

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in Franklin County?

Between 2014 and 2025, Franklin County recorded 6,021 outage events, averaging 2.6 hours each.

What is Franklin County's reliability grade?

Franklin County has a Reliability Grade of C, in the 53rd national percentile.

What was the worst power outage in Franklin County?

The worst outage on record started June 14, 2022 (Thunderstorm Wind), lasting 71 hours and affecting up to 165,305 customers.

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Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.