PowerOutageHistory
D

Lyon County Power Outage History

20142025 · Kentucky

Worse than average — more frequent or longer outages than most counties. How grades are calculated

Total events
713
Avg duration
2.4 hrs
Longest outage
95 hrs
National percentile
30th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 26, 202495 hrs4,316 (56%)Tornado
Jan 5, 202531 hrs2,869 (37%)Winter Weather
Mar 1, 201714 hrs2,861 (37%)Thunderstorm Wind
Jul 20, 20238 hrs2,638 (34%)Thunderstorm Wind
Mar 3, 202376 hrs2,372 (31%)Strong Wind

Over the 12 years from 2014 to 2025, Lyon County recorded 713 distinct power outage events, averaging 2.4 hours per event.

The single worst outage on record in Lyon County started May 26, 2024 (Tornado), lasting 95 hours and leaving up to 4,316 customers without power (56% of the county) at its peak.

July has historically been the worst month for outages in Lyon County, with 97 events recorded during that month across the dataset.

Based on this history, Lyon County earns a Reliability Grade of D, placing it in the 30th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Lyon 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 Lyon County.

CountyGradeNational percentile
Logan CountyD30th
Hancock CountyD30th
Trimble CountyD31st
Monroe CountyD31st
McLean CountyD31st

FAQ

How often does power go out in Lyon County?

Between 2014 and 2025, Lyon County recorded 713 outage events, averaging 2.4 hours each.

What is Lyon County's reliability grade?

Lyon County has a Reliability Grade of D, in the 30th national percentile.

What was the worst power outage in Lyon County?

The worst outage on record started May 26, 2024 (Tornado), lasting 95 hours and affecting up to 4,316 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.