massoutage

2015 Louisiana Power Outage Report

In 2015, the average Louisiana customer went without power for about 5.8 hours — the 6th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
5.8
Peak customers out
39,045
Rank (worst state)
6th
Counties affected
20

Louisiana outages over the decade

Average hours without power per customer, 2015 highlighted.

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

Hardest-hit Louisiana counties in 2015

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

1Calcasieu Parish39,0452Jefferson Parish38,9463East Baton Rouge Parish37,9044Orleans Parish31,1625Livingston Parish24,0966Caddo Parish22,7947Ascension Parish18,4418Lafourche Parish18,0979Tangipahoa Parish16,42210Sabine Parish14,81911Vernon Parish12,20012Beauregard Parish7,77113St. Tammany Parish7,07114Assumption Parish6,80815Washington Parish6,73716Rapides Parish6,09417Plaquemines Parish5,58818Natchitoches Parish5,50019Terrebonne Parish5,49720Bossier Parish5,479

Biggest Louisiana outages of 2015

CountyBeganPeak customers out
Calcasieu ParishMay 26, 201539,045
Jefferson ParishApril 27, 201538,946
East Baton Rouge ParishApril 27, 201537,904
Orleans ParishAugust 24, 201531,162
Calcasieu ParishFebruary 17, 201526,496
Livingston ParishOctober 4, 201524,096
Calcasieu ParishApril 20, 201524,090
Caddo ParishMay 25, 201522,794
Ascension ParishApril 22, 201518,441
Lafourche ParishMay 28, 201518,097
Louisiana by year:20252024202320222021202020192018
Other states in 2015:WVWANCMIRIOK

Part of the 2015 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.