PowerOutageHistory
Reliability Grade
C
Average
2014-2025
Kentucky

Ballard CountyPower Outage History

20142025 · Kentucky
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What this grade means

(How grades are calculated)

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
Nationwide44th pct
In Kentucky#51 of 120
See full Kentucky rankings →
Total events
417
Recorded 2014–2025
Avg duration
5.0 hrs
Per outage event
Longest outage
427 hrs
Single worst event on record
Customers served
4,948
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 29, 201846 hrs3,358 (68%)Thunderstorm Wind
May 26, 202431 hrs2,750 (56%)Thunderstorm Wind
Mar 14, 20194 hrs2,558 (52%)Flood
Jun 1, 2018<1 hr2,403 (49%)Hail
Jun 21, 201948 hrs1,941 (39%)Flood

Was There an Outage on a Specific Date?

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

Over the 12 years from 2014 to 2025, Ballard County recorded 417 distinct power outage events, averaging 5.0 hours per event.

The single worst outage on record in Ballard County started June 29, 2018 (Thunderstorm Wind), lasting 46 hours and leaving up to 3,358 customers without power (68% of the county) at its peak.

July has historically been the worst month for outages in Ballard County, with 69 events recorded during that month across the dataset.

Based on this history, Ballard County earns a Reliability Grade of C, placing it in the 44th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Kentucky

Counties with the closest reliability grade and national percentile to Ballard County.

CountyGradeNational percentile
Ohio CountyC43rd
Whitley CountyC45th
Lincoln CountyC42nd
Montgomery CountyC45th
Gallatin CountyC42nd

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 Ballard County?

Between 2014 and 2025, Ballard County recorded 417 outage events, averaging 5.0 hours each.

What is Ballard County's reliability grade?

Ballard County has a Reliability Grade of C, in the 44th national percentile.

What was the worst power outage in Ballard County?

The worst outage on record started June 29, 2018 (Thunderstorm Wind), lasting 46 hours and affecting up to 3,358 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.