massoutage

2021 Louisiana Power Outage Report

In 2021, the average Louisiana customer went without power for about 97.9 hours, the 1st worst of 51 states (US average 8.4 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
97.9
vs prior year
▲ 53%
vs 2020
Customer-hours out
236.5M
Peak customers out
1,015,268
across the state at once
EAGLE-I coverage
90%
of LA customers
Counties reporting
64

Louisiana year over year

Louisiana: average hours without power per customer by year2015: 5.8h; 2016: 6.8h; 2017: 7.2h; 2018: 5.1h, coverage 89%; 2019: 10.2h, coverage 89%; 2020: 64.1h, coverage 90%; 2021: 97.9h, coverage 90%; 2022: 6.9h, coverage 91%; 2023: 12.8h; 2024: 15.8h; 2025: 6.2h02550751000%50%100%5.8h20156.8h20167.2h20175.1h201810.2h201964.1h202097.9h20216.9h202212.8h202315.8h20246.2h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2021

Customer-hours without power across Louisiana; September was the worst.

CSVJSON
Louisiana customer-hours without power by month, 2021Jan 1.8M, Feb 11.2M, Mar 882K, Apr 1.9M, May 2.4M, Jun 1.4M, Jul 1.2M, Aug 48.8M, Sep 160.9M, Oct 3.8M, Nov 1.0M, Dec 1.1M050M100M150M200M1.8MJan11.2MFeb882KMar1.9MApr2.4MMay1.4MJun1.2MJul48.8MAug160.9MSep3.8MOct1.0MNov1.1MDec
Use the arrow keys to read values.

All 64 Louisiana counties, 2021

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Lafourche Parish492.417.6M35,70535,705467
2St. Helena Parish476.62.0M4,1624,162704
3St. John the Baptist Parish338.97.5M22,09219,726437
4Tangipahoa Parish300.616.4M54,54354,543317
5Terrebonne Parish296.512.0M40,57727,666473
6St. Charles Parish296.29.0M30,26522,708388
7St. James Parish269.63.1M11,4999,931411
8Livingston Parish253.414.2M56,10156,101674
9Assumption Parish237.81.6M6,7386,738462
10Plaquemines Parish226.33.2M14,01012,572420
11Jefferson Parish211.848.9M230,746204,888401
12Ascension Parish197.110.2M51,70651,706351
13Orleans Parish154.933.0M212,936181,040550
14East Feliciana Parish149.21.1M7,3477,347729
15Tensas Parish125.9201K1,6001,600338
16St. Bernard Parish117.52.7M23,16920,256614
17Washington Parish116.82.1M18,39618,396765
18St. Tammany Parish99.616.4M164,188130,114479
19East Baton Rouge Parish90.419.4M214,590165,549209
20Iberville Parish76.8899K11,7106,069523
21Caldwell Parish71.1288K4,0463,114477
22Red River Parish66.8388K5,8063,507418
23Sabine Parish58.51.0M17,14811,083544
24West Feliciana Parish56.0387K6,9234,107561
25Jackson Parish46.8223K4,7554,412602
26Madison Parish38.2171K4,4772,310339
27Bienville Parish37.5190K5,0752,455591
28Winn Parish37.4313K8,3893,047458
29Union Parish36.0255K7,0915,546616
30Richland Parish35.0313K8,9355,585531
31Franklin Parish33.7287K8,5286,328398
32Concordia Parish33.4288K8,6384,155375
33Avoyelles Parish33.0775K23,44715,648702
34East Carroll Parish32.9106K3,2272,063389
35De Soto Parish27.6637K23,0526,032559
36Natchitoches Parish25.1826K32,9406,958605
37West Baton Rouge Parish23.2246K10,5965,868632
38LaSalle Parish21.3138K6,4755,093363
39Grant Parish20.4286K14,0643,259532
40Calcasieu Parish19.9995K49,91243,274481
41Claiborne Parish18.590K4,8961,843425
42Pointe Coupee Parish16.7121K7,2582,189408
43Allen Parish16.6301K18,1607,234668
44Beauregard Parish14.7383K26,15515,820850
45West Carroll Parish14.663K4,278868197
46St. Martin Parish11.0200K18,2074,733688
47Webster Parish10.8204K18,8804,278582
48Jefferson Davis Parish9.3106K11,4123,307746
49Vernon Parish9.1358K39,2105,691842
50Ouachita Parish8.9553K61,79314,373652
51Rapides Parish8.9987K110,55118,098335
52St. Mary Parish8.5236K27,7096,871474
53Caddo Parish8.21.2M145,51819,682473
54Bossier Parish8.2775K94,18419,692588
55Morehouse Parish7.887K11,1665,071575
56Evangeline Parish7.5168K22,4328,181601
57Cameron Parish6.919K2,6951,602193
58St. Landry Parish5.8275K47,28012,891962
59Lincoln Parish5.4144K26,5663,319573
60Acadia Parish5.3154K28,9833,832901
61Vermilion Parish5.2132K25,4353,968784
62Iberia Parish4.3245K56,7917,716754
63Catahoula Parish1.76,5043,9026743
64Lafayette Parish1.3175K137,6885,395998

Biggest Louisiana outages of 2021

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Jefferson Parish, LAAugust 28, 2021 19:00October 21, 2021 02:0053d 7h204,88847.5M
2Orleans Parish, LAAugust 29, 2021 04:30September 27, 2021 06:1529d 1h181,04032.0M
3East Baton Rouge Parish, LAAugust 29, 2021 11:15October 5, 2021 15:1537d 4h165,54915.8M
4St. Tammany Parish, LAAugust 29, 2021 10:45September 19, 2021 22:3021d 11h130,11415.9M
5Livingston Parish, LAAugust 29, 2021 12:30October 21, 2021 02:0052d 13h56,10113.1M
6East Baton Rouge Parish, LAJanuary 1, 2021 00:00April 14, 2021 10:15103d 10h55,1642.5M
7Tangipahoa Parish, LAAugust 28, 2021 13:30October 21, 2021 02:0053d 12h54,54315.4M
8Ascension Parish, LAAugust 28, 2021 05:45October 21, 2021 02:0053d 20h51,7069.6M
9Calcasieu Parish, LAFebruary 15, 2021 03:15February 23, 2021 22:158d 19h43,274413K
10Lafourche Parish, LAAugust 28, 2021 17:15October 21, 2021 02:0053d 8h35,70517.1M
11Terrebonne Parish, LAAugust 29, 2021 12:00October 21, 2021 02:0052d 14h27,66611.5M
12Orleans Parish, LAFebruary 15, 2021 14:00February 19, 2021 00:303d 10h24,12958K
13Jefferson Parish, LAOctober 21, 2021 05:16December 31, 2021 00:1570d 18h23,566733K
14Livingston Parish, LAFebruary 15, 2021 09:00February 28, 2021 04:1512d 19h22,832754K
15St. Charles Parish, LAAugust 29, 2021 11:45October 21, 2021 02:0052d 14h22,7088.7M
16East Baton Rouge Parish, LAMay 17, 2021 09:15May 22, 2021 08:154d 23h21,567253K
17St. Bernard Parish, LAAugust 29, 2021 12:00September 16, 2021 20:3018d 8h20,2562.7M
18St. John the Baptist Parish, LAAugust 28, 2021 05:15October 21, 2021 02:0053d 20h19,7267.3M
19Bossier Parish, LAFebruary 15, 2021 21:45February 21, 2021 15:455d 18h19,692186K
20Caddo Parish, LAFebruary 14, 2021 13:30February 24, 2021 22:4510d 9h19,682168K
21Orleans Parish, LAJuly 14, 2021 07:30July 17, 2021 08:153d19,66832K
22Washington Parish, LAAugust 29, 2021 13:45September 13, 2021 01:1514d 11h18,3961.9M
23St. Tammany Parish, LAJanuary 1, 2021 00:00February 17, 2021 17:4547d 17h18,288100K
24Rapides Parish, LAJanuary 1, 2021 00:00May 27, 2021 00:45146d18,098853K
25Beauregard Parish, LAFebruary 17, 2021 04:30February 20, 2021 18:003d 13h15,820168K
EAGLE-I tracked about 90% of Louisiana's electricity customers in 2021; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Other states in 2021:MIWVORTXMSKYNCWA

Part of the 2021 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.