PowerOutageHistory
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Simpson County Power Outage History

20162025 · Kentucky

Top 20% most reliable nationally — infrequent, short outages. How grades are calculated

Total events
146
Avg duration
2.4 hrs
Longest outage
71 hrs
National percentile
81st

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Mar 3, 202371 hrs3,507 (29%)High Wind
Jun 13, 20180 hrs2,821 (24%)Unnamed event
Jul 23, 20191 hrs2,641 (22%)Unnamed event
May 8, 20243 hrs2,303 (19%)Flash Flood
Dec 24, 20225 hrs2,249 (19%)Winter Storm

Over the 10 years from 2016 to 2025, Simpson County recorded 146 distinct power outage events, averaging 2.4 hours per event.

The single worst outage on record in Simpson County started March 3, 2023 (High Wind), lasting 71 hours and leaving up to 3,507 customers without power (29% of the county) at its peak.

July has historically been the worst month for outages in Simpson County, with 34 events recorded during that month across the dataset.

Based on this history, Simpson County earns a Reliability Grade of A, placing it in the 81st percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Simpson 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 Simpson County.

CountyGradeNational percentile
McCracken CountyB79th
Shelby CountyB79th
Wolfe CountyB78th
Boone CountyB76th
Hardin CountyB76th

FAQ

How often does power go out in Simpson County?

Between 2016 and 2025, Simpson County recorded 146 outage events, averaging 2.4 hours each.

What is Simpson County's reliability grade?

Simpson County has a Reliability Grade of A, in the 81st national percentile.

What was the worst power outage in Simpson County?

The worst outage on record started March 3, 2023 (High Wind), lasting 71 hours and affecting up to 3,507 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.