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2021 Louisiana Power Outage Report

In 2021, the average Louisiana customer went without power for about 99.7 hours — the 1st worst of any US state that year, 4.4× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
99.7
Peak customers out
204,888
Rank (worst state)
1st
Counties affected
20

Louisiana outages over the decade

Average hours without power per customer, 2021 highlighted.

5.8h20156.8h20167.2h20175.1h201810.2h201972.6h202099.7h20216.9h202212.8h202315.8h20246.2h2025

Hardest-hit Louisiana counties in 2021

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

1Jefferson Parish204,8882Orleans Parish181,0403East Baton Rouge Parish165,5494St. Tammany Parish130,1145Tangipahoa Parish68,6216Livingston Parish62,3657Ascension Parish54,5078Lafourche Parish44,2339Calcasieu Parish43,27410Terrebonne Parish27,66611St. Charles Parish22,70812St. Bernard Parish20,25613St. John the Baptist Parish19,72614Washington Parish19,70915Bossier Parish19,69216Caddo Parish19,68217Rapides Parish18,09818Beauregard Parish15,82019Avoyelles Parish15,64820Ouachita Parish14,373

Biggest Louisiana outages of 2021

CountyBeganPeak customers out
Jefferson ParishAugust 28, 2021204,888
Orleans ParishAugust 29, 2021181,040
East Baton Rouge ParishAugust 29, 2021165,549
St. Tammany ParishAugust 29, 2021130,114
Tangipahoa ParishAugust 28, 202168,621
Livingston ParishAugust 29, 202162,365
East Baton Rouge ParishJanuary 1, 202155,164
Ascension ParishAugust 28, 202154,507
Lafourche ParishAugust 28, 202144,233
Calcasieu ParishFebruary 15, 202143,274
Louisiana by year:20252024202320222020201920182017
Other states in 2021:MIWVTXORMSKY

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.