massoutage

2021 Mississippi Power Outage Report

In 2021, the average Mississippi customer went without power for about 17.2 hours, the 6th worst of 51 states (US average 8.4 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
17.2
vs prior year
▼ 6%
vs 2020
Customer-hours out
25.5M
Peak customers out
209,973
across the state at once
EAGLE-I coverage
77%
of MS customers
Counties reporting
78

Mississippi year over year

Mississippi: average hours without power per customer by year2015: 2.6h; 2016: 3.1h; 2017: 6.6h; 2018: 3.0h, coverage 66%; 2019: 5.8h, coverage 74%; 2020: 18.3h, coverage 77%; 2021: 17.2h, coverage 77%; 2022: 6.3h, coverage 77%; 2023: 11.1h; 2024: 9.2h; 2025: 7.5h051015200%50%100%2.6h20153.1h20166.6h20173.0h20185.8h201918.3h202017.2h20216.3h202211.1h20239.2h20247.5h2025
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 Mississippi; February was the worst.

CSVJSON
Mississippi customer-hours without power by month, 2021Jan 273K, Feb 12.3M, Mar 706K, Apr 1.2M, May 3.4M, Jun 1.1M, Jul 554K, Aug 3.3M, Sep 1.8M, Oct 267K, Nov 268K, Dec 329K05M10M15M273KJan12.3MFeb706KMar1.2MApr3.4MMay1.1MJun554KJul3.3MAug1.8MSep267KOct268KNov329KDec
Use the arrow keys to read values.

All 78 Mississippi counties, 2021

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Jefferson County143.6579K4,0284,028264
2Claiborne County143.4855K5,9674,749206
3Wilkinson County120.5580K4,8174,140274
4Franklin County102.1445K4,3593,440359
5Amite County78.2533K6,8256,825602
6Newton County75.5959K12,69310,028585
7Copiah County71.81.3M17,72812,611614
8Kemper County68.8338K4,9134,913196
9Walthall County66.7461K6,9106,121513
10Adams County64.71.1M17,35811,766397
11Neshoba County53.21.3M24,82514,123361
12Attala County52.5493K9,3987,584495
13Pike County51.51.2M23,01312,148838
14Smith County51.4370K7,2115,329539
15Jefferson Davis County49.3270K5,4684,408470
16Lincoln County48.8999K20,4829,395663
17Warren County45.31.0M22,7429,597811
18Lauderdale County37.91.1M30,15230,152915
19Choctaw County37.4120K3,2162,982316
20Lawrence County34.1220K6,4524,076472
21Scott County32.1576K17,93512,650624
22Hinds County29.63.6M122,21633,873299
23Winston County28.4375K13,23810,567204
24Simpson County25.7406K15,8186,502685
25Pearl River County25.3734K28,95420,9881,072
26Holmes County23.3154K6,6343,169425
27Madison County23.0755K32,77511,930776
28Jasper County22.7223K9,8083,547488
29Tallahatchie County20.0107K5,3722,001541
30Sharkey County19.644K2,219826285
31Leake County19.4262K13,5096,252457
32Covington County19.2184K9,5653,276516
33Quitman County17.733K1,8801,880570
34Benton County13.554K3,97342874
35Marion County13.0152K11,6256,669576
36Perry County12.359K4,8062,233453
37Noxubee County11.454K4,7071,214385
38Humphreys County10.435K3,3311,711258
39Sunflower County9.3111K11,9192,821667
40Clarke County9.064K7,0622,622454
41Hancock County8.2201K24,4307,6421,041
42Rankin County7.6642K84,28513,830967
43Yazoo County7.682K10,7851,148212
44Bolivar County7.3106K14,4823,143647
45Tate County7.2118K16,3035,204739
46Tunica County6.724K3,6301,046312
47Greene County6.635K5,2641,239502
48George County5.956K9,3532,668966
49Stone County5.844K7,4601,804486
50Panola County5.1103K20,3373,127779
51Grenada County4.853K11,0172,893640
52Washington County4.6116K25,1152,745825
53Carroll County4.217K4,105641166
54Oktibbeha County4.1137K33,3565,380558
55Tippah County3.959K15,1582,975287
56Lafayette County3.8141K36,7805,683617
57Wayne County3.841K10,874901494
58Montgomery County3.615K4,275213273
59Union County3.626K7,351665221
60Yalobusha County3.526K7,2741,042311
61Jackson County3.5201K57,8065,2161,174
62Lamar County3.092K31,1203,507749
63Harrison County2.9315K109,0819,8491,072
64Jones County2.9132K46,1083,446662
65Clay County2.827K9,476744472
66Coahoma County2.631K12,0251,211238
67DeSoto County1.9178K95,1225,845854
68Forrest County1.983K44,4331,901881
69Lowndes County1.445K33,2973,655638
70Leflore County1.224K20,294377220
71Pontotoc County1.121K18,0461,599131
72Webster County1.16,0865,545177133
73Marshall County0.917K19,527610115
74Monroe County0.46,60618,680222146
75Itawamba County0.22,33810,40010614
76Chickasaw County0.183911,6326125
77Alcorn County0.092919,94026716
78Calhoun County0.02397,4682011

Biggest Mississippi outages of 2021

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Hinds County, MSJanuary 30, 2021 02:30February 28, 2021 10:1529d 7h33,8731.8M
2Hinds County, MSApril 19, 2021 15:00September 9, 2021 10:15142d 19h32,6621.5M
3Lauderdale County, MSMay 4, 2021 13:45May 8, 2021 02:303d 12h30,152376K
4Pearl River County, MSAugust 29, 2021 16:00September 1, 2021 22:303d 6h20,988613K
5Lauderdale County, MSFebruary 15, 2021 14:45February 23, 2021 04:157d 13h18,997475K
6Lauderdale County, MSJune 13, 2021 19:45June 16, 2021 13:302d 17h15,594182K
7Neshoba County, MSFebruary 15, 2021 16:15February 26, 2021 01:1510d 9h14,1231.2M
8Rankin County, MSMay 4, 2021 15:45May 7, 2021 01:152d 9h13,830102K
9Scott County, MSFebruary 15, 2021 11:30February 24, 2021 23:459d 12h12,650383K
10Copiah County, MSFebruary 15, 2021 14:45April 9, 2021 15:3053d12,611894K
11Pike County, MSAugust 29, 2021 15:15September 8, 2021 23:4510d 8h12,148770K
12Madison County, MSMay 4, 2021 15:45May 10, 2021 23:456d 8h11,930220K
13Adams County, MSFebruary 17, 2021 17:15April 8, 2021 19:1550d 2h11,766861K
14Winston County, MSFebruary 18, 2021 01:15February 23, 2021 00:304d 23h10,567351K
15Newton County, MSMay 4, 2021 20:15May 7, 2021 16:452d 20h10,028215K
16Harrison County, MSJune 13, 2021 03:15June 13, 2021 12:159h9,8498,995
17Warren County, MSMay 3, 2021 13:30May 8, 2021 20:155d 6h9,597334K
18Lincoln County, MSFebruary 15, 2021 07:30March 11, 2021 00:3023d 17h9,395548K
19Rankin County, MSFebruary 15, 2021 09:45February 21, 2021 02:155d 16h9,040210K
20Scott County, MSMay 4, 2021 19:15May 7, 2021 02:002d 6h8,93481K
21Newton County, MSFebruary 15, 2021 14:00February 25, 2021 21:4510d 7h8,506692K
22Copiah County, MSAugust 30, 2021 01:30September 3, 2021 20:154d 18h8,302193K
23Harrison County, MSAugust 27, 2021 17:15September 1, 2021 02:004d 8h8,24791K
24Hancock County, MSAugust 29, 2021 11:30September 1, 2021 23:153d 11h7,642150K
25Warren County, MSFebruary 17, 2021 16:45February 24, 2021 01:006d 8h7,629497K
EAGLE-I tracked about 77% of Mississippi'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.
Mississippi by year:2025202420232022202020192018201720162015
Other states in 2021:LAMIWVORTXKYNCWA

Part of the 2021 US Power Outage Report.

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