PowerOutageHistory
Reliability Grade
B
Better than average
2015-2025
Kentucky

Madison CountyPower Outage History

20152025 · Kentucky
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What this grade means

Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.

Takeaway
Lower-than-average outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide67th pct
In Kentucky#14 of 120
See full Kentucky rankings →
Total events
462
Recorded 2015–2025
Avg duration
2.9 hrs
Per outage event
Longest outage
73 hrs
Single worst event on record
Customers served
48,463
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 26, 202340 hrs17,075 (35%)Hail
Nov 12, 2025<1 hr15,398 (32%)Unnamed event
Mar 3, 202373 hrs13,405 (28%)High Wind
Sep 18, 20242 hrs9,366 (19%)Unnamed event
Sep 27, 202453 hrs7,022 (14%)Hurricane Helene

Was There an Outage on a Specific Date?

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

Over the 11 years from 2015 to 2025, Madison County recorded 462 distinct power outage events, averaging 2.9 hours per event.

The single worst outage on record in Madison County started June 26, 2023 (Hail), lasting 40 hours and leaving up to 17,075 customers without power (35% of the county) at its peak.

July has historically been the worst month for outages in Madison County, with 59 events recorded during that month across the dataset.

Based on this history, Madison County earns a Reliability Grade of B, placing it in the 67th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Kentucky

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

CountyGradeNational percentile
Franklin CountyB67th
Mercer CountyB67th
Larue CountyB66th
Kenton CountyB66th
Boyle CountyB69th

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 Madison County?

Between 2015 and 2025, Madison County recorded 462 outage events, averaging 2.9 hours each.

What is Madison County's reliability grade?

Madison County has a Reliability Grade of B, in the 67th national percentile.

What was the worst power outage in Madison County?

The worst outage on record started June 26, 2023 (Hail), lasting 40 hours and affecting up to 17,075 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.