massoutage

2021 Mississippi Power Outage Report

In 2021, the average Mississippi customer went without power for about 17.2 hours — the 6th worst of any US state that year, 2.1× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
17.2
Peak customers out
33,939
Rank (worst state)
6th
Counties affected
20

Mississippi outages over the decade

Average hours without power per customer, 2021 highlighted.

2.6h20153.1h20166.6h20173.0h20185.8h201918.5h202017.2h20216.3h202211.1h20239.2h20247.5h2025

Hardest-hit Mississippi counties in 2021

By peak customers out during the year's worst event.

1Lauderdale County33,9392Hinds County33,8733Pearl River County20,9884Neshoba County14,1235Rankin County13,8306Scott County12,6507Copiah County12,6118Pike County12,1489Madison County11,93010Adams County11,76611Winston County10,56712Newton County10,02813Harrison County9,84914Warren County9,59715Lincoln County9,39516Kemper County7,94717Hancock County7,64218Attala County7,58419Amite County7,41520Marion County6,669

Biggest Mississippi outages of 2021

CountyBeganPeak customers out
Lauderdale CountyMay 4, 202133,939
Hinds CountyJanuary 30, 202133,873
Hinds CountyApril 19, 202132,662
Pearl River CountyAugust 29, 202120,988
Lauderdale CountyFebruary 15, 202118,997
Lauderdale CountyJune 13, 202115,594
Neshoba CountyFebruary 15, 202114,123
Rankin CountyMay 4, 202113,830
Scott CountyFebruary 15, 202112,650
Copiah CountyFebruary 15, 202112,611
Mississippi by year:20252024202320222020201920182017
Other states in 2021:LAMIWVTXORKY

Part of the 2021 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.