PowerOutageHistory
B

Lafayette County Power Outage History

20172025 · Mississippi

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
406
Avg duration
3.0 hrs
Longest outage
59 hrs
National percentile
68th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Apr 13, 202047 hrs9,154 (25%)Thunderstorm Wind
Jun 22, 201820 hrs7,102 (19%)Thunderstorm Wind
Apr 12, 20204 hrs6,943 (19%)Thunderstorm Wind
May 9, 202121 hrs5,683 (15%)Thunderstorm Wind
Mar 3, 202317 hrs5,183 (14%)Thunderstorm Wind

Over the 9 years from 2017 to 2025, Lafayette County recorded 406 distinct power outage events, averaging 3.0 hours per event.

The single worst outage on record in Lafayette County started April 13, 2020 (Thunderstorm Wind), lasting 47 hours and leaving up to 9,154 customers without power (25% of the county) at its peak.

June has historically been the worst month for outages in Lafayette County, with 69 events recorded during that month across the dataset.

Based on this history, Lafayette County earns a Reliability Grade of B, placing it in the 68th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Lafayette 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 Lafayette County.

CountyGradeNational percentile
DeSoto CountyB72nd
Forrest CountyB73rd
Jones CountyB63rd
Yazoo CountyB62nd
Lamar CountyB74th

FAQ

How often does power go out in Lafayette County?

Between 2017 and 2025, Lafayette County recorded 406 outage events, averaging 3.0 hours each.

What is Lafayette County's reliability grade?

Lafayette County has a Reliability Grade of B, in the 68th national percentile.

What was the worst power outage in Lafayette County?

The worst outage on record started April 13, 2020 (Thunderstorm Wind), lasting 47 hours and affecting up to 9,154 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.