PowerOutageHistory
B

Boone County Power Outage History

20142025 · Kentucky

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
654
Avg duration
2.1 hrs
Longest outage
56 hrs
National percentile
76th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Mar 1, 201756 hrs18,940 (25%)Flash Flood
Mar 3, 202332 hrs9,716 (13%)Unnamed event
Sep 27, 202433 hrs8,569 (11%)Hurricane Helene
Nov 19, 201415 hrs7,629 (10%)Winter Storm
Apr 9, 202029 hrs7,024 (9%)Thunderstorm Wind

Over the 12 years from 2014 to 2025, Boone County recorded 654 distinct power outage events, averaging 2.1 hours per event.

The single worst outage on record in Boone County started March 1, 2017 (Flash Flood), lasting 56 hours and leaving up to 18,940 customers without power (25% of the county) at its peak.

July has historically been the worst month for outages in Boone County, with 83 events recorded during that month across the dataset.

Based on this history, Boone County earns a Reliability Grade of B, placing it in the 76th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Boone County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Kentucky

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

CountyGradeNational percentile
Hardin CountyB76th
Daviess CountyB75th
Wolfe CountyB78th
Breckinridge CountyB74th
Shelby CountyB79th

FAQ

How often does power go out in Boone County?

Between 2014 and 2025, Boone County recorded 654 outage events, averaging 2.1 hours each.

What is Boone County's reliability grade?

Boone County has a Reliability Grade of B, in the 76th national percentile.

What was the worst power outage in Boone County?

The worst outage on record started March 1, 2017 (Flash Flood), lasting 56 hours and affecting up to 18,940 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.