PowerOutageHistory
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Alcorn County Power Outage History

20202025 · Mississippi

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

Total events
30
Avg duration
3.1 hrs
Longest outage
28 hrs
National percentile
98th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 31, 20242 hrs1,615 (8%)Unnamed event
Feb 24, 20253 hrs1,557 (8%)Unnamed event
Aug 31, 20240 hrs1,418 (7%)Unnamed event
Oct 8, 20241 hrs835 (4%)Unnamed event
Aug 30, 20241 hrs802 (4%)Unnamed event

Over the 6 years from 2020 to 2025, Alcorn County recorded 30 distinct power outage events, averaging 3.1 hours per event.

The single worst outage on record in Alcorn County started October 31, 2024, lasting 2 hours and leaving up to 1,615 customers without power (8% of the county) at its peak.

January has historically been the worst month for outages in Alcorn County, with 7 events recorded during that month across the dataset.

Based on this history, Alcorn County earns a Reliability Grade of A, placing it in the 98th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Alcorn 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 Mississippi

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

CountyGradeNational percentile
Monroe CountyA98th
Lee CountyA97th
Chickasaw CountyA99th
Prentiss CountyA99th
Marshall CountyA96th

FAQ

How often does power go out in Alcorn County?

Between 2020 and 2025, Alcorn County recorded 30 outage events, averaging 3.1 hours each.

What is Alcorn County's reliability grade?

Alcorn County has a Reliability Grade of A, in the 98th national percentile.

What was the worst power outage in Alcorn County?

The worst outage on record started October 31, 2024, lasting 2 hours and affecting up to 1,615 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.