PowerOutageHistory
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Henry County Power Outage History

20152025 · Indiana

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

Total events
297
Avg duration
2.5 hrs
Longest outage
29 hrs
National percentile
81st

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 19, 20170 hrs4,552 (22%)Unnamed event
Aug 20, 20194 hrs4,057 (19%)Thunderstorm Wind
Feb 12, 20232 hrs3,601 (17%)Unnamed event
Apr 2, 20166 hrs3,347 (16%)High Wind
Dec 28, 20185 hrs3,279 (16%)Unnamed event

Over the 11 years from 2015 to 2025, Henry County recorded 297 distinct power outage events, averaging 2.5 hours per event.

The single worst outage on record in Henry County started May 19, 2017, lasting 0 hours and leaving up to 4,552 customers without power (22% of the county) at its peak.

June has historically been the worst month for outages in Henry County, with 38 events recorded during that month across the dataset.

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

Sized for Henry 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 Indiana

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

CountyGradeNational percentile
Johnson CountyA81st
Noble CountyA82nd
Ohio CountyA80th
Clinton CountyA80th
Shelby CountyA82nd

FAQ

How often does power go out in Henry County?

Between 2015 and 2025, Henry County recorded 297 outage events, averaging 2.5 hours each.

What is Henry County's reliability grade?

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

What was the worst power outage in Henry County?

The worst outage on record started May 19, 2017, lasting 0 hours and affecting up to 4,552 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.