PowerOutageHistory
C

Posey County Power Outage History

20152025 · Indiana

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

Total events
530
Avg duration
2.6 hrs
Longest outage
85 hrs
National percentile
44th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jan 21, 20201 hrs7,311 (60%)Flood
May 31, 20189 hrs4,754 (39%)Unnamed event
Jul 1, 20199 hrs3,317 (27%)Flood
Jan 27, 20236 hrs3,073 (25%)Winter Weather
Jan 6, 20251 hrs3,067 (25%)Winter Storm

Over the 11 years from 2015 to 2025, Posey County recorded 530 distinct power outage events, averaging 2.6 hours per event.

The single worst outage on record in Posey County started January 21, 2020 (Flood), lasting 1 hours and leaving up to 7,311 customers without power (60% of the county) at its peak.

July has historically been the worst month for outages in Posey County, with 79 events recorded during that month across the dataset.

Based on this history, Posey County earns a Reliability Grade of C, placing it in the 44th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Posey County's outage profile

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Outage-prep kit

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Similar counties in Indiana

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

CountyGradeNational percentile
Benton CountyC44th
Morgan CountyC43rd
Marshall CountyC45th
LaGrange CountyC42nd
Knox CountyC46th

FAQ

How often does power go out in Posey County?

Between 2015 and 2025, Posey County recorded 530 outage events, averaging 2.6 hours each.

What is Posey County's reliability grade?

Posey County has a Reliability Grade of C, in the 44th national percentile.

What was the worst power outage in Posey County?

The worst outage on record started January 21, 2020 (Flood), lasting 1 hours and affecting up to 7,311 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.