PowerOutageHistory
FReliability Grade

Leslie CountyPower Outage History

20142025 · Kentucky

Bottom 20% least reliable nationally — frequent and/or long outages.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide0th pct
In Kentucky0th pct
Total events
1,238
Avg duration
5.4 hrs
Longest outage
210 hrs
Customers served
5,647
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Apr 13, 202073 hrs5,520 (98%)Thunderstorm Wind
Nov 8, 20254 hrs4,718 (84%)Unnamed event
Apr 16, 202031 hrs4,431 (78%)Strong Wind
May 26, 2024106 hrs3,582 (63%)Thunderstorm Wind
Mar 16, 2015<1 hr3,517 (62%)Unnamed event

Over the 12 years from 2014 to 2025, Leslie County recorded 1,238 distinct power outage events, averaging 5.4 hours per event.

The single worst outage on record in Leslie County started April 13, 2020 (Thunderstorm Wind), lasting 73 hours and leaving up to 5,520 customers without power (98% of the county) at its peak.

July has historically been the worst month for outages in Leslie County, with 148 events recorded during that month across the dataset.

Based on this history, Leslie County earns a Reliability Grade of F, placing it in the 0th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Leslie County's outage profile

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Outage-prep kit

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Similar counties in Kentucky

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

CountyGradeNational percentile
Lawrence CountyF1st
Knott CountyF2nd
Martin CountyF2nd
Carter CountyF3rd
Letcher CountyF4th

Most reliable counties in Kentucky

The top 3 counties in Kentucky by reliability grade and percentile.

CountyGradeNational percentile
Taylor CountyA96th
Webster CountyA92nd
Green CountyA91st

Least reliable counties in Kentucky

The bottom 3 counties in Kentucky by reliability grade and percentile.

CountyGradeNational percentile
Leslie CountyF0th
Lawrence CountyF1st
Knott CountyF2nd

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.

CountyStateGradeNational percentile
Clay CountyWest VirginiaF0th
Lincoln CountyWest VirginiaF0th
Cameron ParishLouisianaF0th

FAQ

How often does power go out in Leslie County?

Between 2014 and 2025, Leslie County recorded 1,238 outage events, averaging 5.4 hours each.

What is Leslie County's reliability grade?

Leslie County has a Reliability Grade of F, in the 0th national percentile.

What was the worst power outage in Leslie County?

The worst outage on record started April 13, 2020 (Thunderstorm Wind), lasting 73 hours and affecting up to 5,520 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.