PowerOutageHistory
C

Casey County Power Outage History

20142025 · Kentucky

Average — typical outage frequency and duration nationally. How grades are calculated

Total events
329
Avg duration
3.6 hrs
Longest outage
82 hrs
National percentile
56th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Nov 17, 20211 hrs3,724 (41%)Unnamed event
Jan 2, 20212 hrs3,452 (38%)Unnamed event
Dec 21, 20194 hrs2,019 (22%)Flash Flood
Feb 18, 202129 hrs1,988 (22%)Ice Storm
May 18, 20226 hrs1,961 (21%)Thunderstorm Wind

Over the 12 years from 2014 to 2025, Casey County recorded 329 distinct power outage events, averaging 3.6 hours per event.

The single worst outage on record in Casey County started November 17, 2021, lasting 1 hours and leaving up to 3,724 customers without power (41% of the county) at its peak.

July has historically been the worst month for outages in Casey County, with 44 events recorded during that month across the dataset.

Based on this history, Casey County earns a Reliability Grade of C, placing it in the 56th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Casey 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 Casey County.

CountyGradeNational percentile
Crittenden CountyC56th
Marshall CountyC56th
Graves CountyC55th
Morgan CountyC57th
Henderson CountyC57th

FAQ

How often does power go out in Casey County?

Between 2014 and 2025, Casey County recorded 329 outage events, averaging 3.6 hours each.

What is Casey County's reliability grade?

Casey County has a Reliability Grade of C, in the 56th national percentile.

What was the worst power outage in Casey County?

The worst outage on record started November 17, 2021, lasting 1 hours and affecting up to 3,724 customers.

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.