PowerOutageHistory
C

Marion County Power Outage History

20152025 · Kentucky

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

Total events
327
Avg duration
2.4 hrs
Longest outage
96 hrs
National percentile
59th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Mar 3, 202396 hrs6,470 (56%)High Wind
Nov 7, 20212 hrs3,246 (28%)Unnamed event
Apr 2, 20161 hrs3,109 (27%)High Wind
Apr 18, 20171 hrs3,103 (27%)Unnamed event
Jul 17, 20171 hrs3,099 (27%)Unnamed event

Over the 11 years from 2015 to 2025, Marion County recorded 327 distinct power outage events, averaging 2.4 hours per event.

The single worst outage on record in Marion County started March 3, 2023 (High Wind), lasting 96 hours and leaving up to 6,470 customers without power (56% of the county) at its peak.

June has historically been the worst month for outages in Marion County, with 42 events recorded during that month across the dataset.

Based on this history, Marion County earns a Reliability Grade of C, placing it in the 59th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Marion 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 Marion County.

CountyGradeNational percentile
Meade CountyC60th
Scott CountyC58th
Clark CountyC58th
Henderson CountyC57th
Morgan CountyC57th

FAQ

How often does power go out in Marion County?

Between 2015 and 2025, Marion County recorded 327 outage events, averaging 2.4 hours each.

What is Marion County's reliability grade?

Marion County has a Reliability Grade of C, in the 59th national percentile.

What was the worst power outage in Marion County?

The worst outage on record started March 3, 2023 (High Wind), lasting 96 hours and affecting up to 6,470 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.