PowerOutageHistory
Reliability Grade
D
Worse than average
2014-2025
Kentucky

Clay CountyPower Outage History

20142025 · Kentucky
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What this grade means

Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.

Takeaway
Higher-than-average outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide21st pct
In Kentucky#94 of 120
See full Kentucky rankings →
Total events
622
Recorded 2014–2025
Avg duration
4.0 hrs
Per outage event
Longest outage
72 hrs
Single worst event on record
Customers served
11,735
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Feb 15, 202167 hrs4,969 (42%)Ice Storm
Apr 1, 202332 hrs4,118 (35%)High Wind
May 26, 202456 hrs3,834 (33%)Thunderstorm Wind
Sep 27, 202472 hrs2,810 (24%)Hurricane Helene
Mar 3, 202320 hrs2,415 (21%)High Wind

Was There an Outage on a Specific Date?

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

Over the 12 years from 2014 to 2025, Clay County recorded 622 distinct power outage events, averaging 4.0 hours per event.

The single worst outage on record in Clay County started February 15, 2021 (Ice Storm), lasting 67 hours and leaving up to 4,969 customers without power (42% of the county) at its peak.

July has historically been the worst month for outages in Clay County, with 82 events recorded during that month across the dataset.

Based on this history, Clay County earns a Reliability Grade of D, placing it in the 21st percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Kentucky

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

CountyGradeNational percentile
Muhlenberg CountyD21st
Estill CountyD20th
Butler CountyD22nd
McCreary CountyD22nd
Greenup CountyF19th

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 Clay County?

Between 2014 and 2025, Clay County recorded 622 outage events, averaging 4.0 hours each.

What is Clay County's reliability grade?

Clay County has a Reliability Grade of D, in the 21st national percentile.

What was the worst power outage in Clay County?

The worst outage on record started February 15, 2021 (Ice Storm), lasting 67 hours and affecting up to 4,969 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.