PowerOutageHistory
D

Hancock County Power Outage History

20152025 · Mississippi

Worse than average — more frequent or longer outages than most counties. How grades are calculated

Total events
420
Avg duration
1.8 hrs
Longest outage
121 hrs
National percentile
36th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 28, 2020121 hrs20,924 (76%)Unnamed event
Aug 29, 202126 hrs7,642 (28%)Tropical Storm Ida
May 13, 20180 hrs5,928 (22%)Unnamed event
Apr 10, 202414 hrs4,850 (18%)Tornado
Mar 9, 20241 hrs4,634 (17%)Unnamed event

Over the 11 years from 2015 to 2025, Hancock County recorded 420 distinct power outage events, averaging 1.8 hours per event.

The single worst outage on record in Hancock County started October 28, 2020, lasting 121 hours and leaving up to 20,924 customers without power (76% of the county) at its peak.

April has historically been the worst month for outages in Hancock County, with 46 events recorded during that month across the dataset.

Based on this history, Hancock County earns a Reliability Grade of D, placing it in the 36th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Hancock County's outage profile

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Outage-prep kit

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Similar counties in Mississippi

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

CountyGradeNational percentile
Leake CountyD36th
Harrison CountyD36th
Sunflower CountyD36th
Kemper CountyD36th
Tate CountyD34th

FAQ

How often does power go out in Hancock County?

Between 2015 and 2025, Hancock County recorded 420 outage events, averaging 1.8 hours each.

What is Hancock County's reliability grade?

Hancock County has a Reliability Grade of D, in the 36th national percentile.

What was the worst power outage in Hancock County?

The worst outage on record started October 28, 2020, lasting 121 hours and affecting up to 20,924 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.