– 0 customers out in Mississippi

Power outage history

Mississippi

9.4hours

without power for the average customer in a typical year, 2018–2025. 6th of 51.

Largest outage on record Hurricane Zeta 228,680 customers out · 15% of the state
Electricity customers 1,564,226 Across 82 counties
Worst well-recorded year 2020 17 hours without power, average customer

County by county

Where Mississippi goes dark

Hours without power for the average customer in a typical year. Hover a county; click to open it.

Fewer hours64+ h / yr

Year by year

Hours in the dark, statewide

0 5 10 15 20 ’15 ’16 ’17 2.8 ’18 5.5 ’19 17 ’20 16 ’21 6.0 ’22 11 ’23 9.2 ’24 7.5 ’25 US 6.6

The record

Mississippi's largest outages

Statewide events with at least 2% of customers, or 25,000, out at once, by peak.

BeganStormPeak outShare
Oct 28, 2020 Hurricane Zeta 228,680 14.6%
Feb 17, 2021 Ice storm 209,973 13.4%
Jun 16, 2023 Thunderstorms 171,904 11.0%
May 4, 2021 Tornadoes 151,669 9.7%
Aug 29, 2021 Hurricane Ida 122,068 7.8%
Dec 28, 2024 Tornadoes 112,352 7.2%
Oct 10, 2020 Hurricane Delta 94,834 6.1%
Dec 8, 2017 Winter storm 85,657 5.5%
Oct 26, 2019 Tropical Storm Olga 84,567 5.4%
Apr 12, 2020 Thunderstorms 80,573 5.1%
Feb 15, 2025 Thunderstorms 79,921 5.1%
Apr 9, 2024 Thunderstorms 71,674 4.6%

Every county

All 82 counties

CountyHours / yrMajor outages since 2018Customers
Wilkinson 90 156 4,817
Jefferson 53 117 4,028
Claiborne 52 129 5,967
Franklin 50 127 4,359
Amite 42 111 6,825
Quitman 30 102 1,880
Adams 26 35 17,358
Copiah 25 42 17,728
Warren 25 27 22,742
Attala 25 66 9,398
Greene 24 88 5,264
George 24 39 9,353
Smith 23 85 7,211
Tallahatchie 23 73 5,372
Jefferson Davis 23 75 5,468
Walthall 21 55 6,910
Sharkey 20 45 2,219
Lawrence 20 107 6,452
Holmes 18 34 6,634
Pike 18 23 23,013
Montgomery 17 36 4,275
Madison 17 32 32,775
Tunica 17 40 3,630
Lincoln 16 22 20,482
Covington 16 63 9,565

Who keeps the lights on

Utilities in Mississippi

Reliability and residential price as reported to the EIA for the latest year. Outage minutes include major storm days.

UtilityTypeOutage min / yrExcl. major storms¢/kWhCustomers
Entergy Mississippi LLC Investor Owned 640 410 13.9 384k
Mississippi Power Co Investor Owned 105 76 15.7 158k
Coast Electric Power Assn Cooperative 121 83 14.0 84k
Singing River Elec Cooperative Cooperative 156 156 13.5 73k
Southern Pine Electric Cooperative Cooperative 649 447 14.5 66k
Pearl River Valley El Pwr Assn Cooperative 295 261 15.6 53k
4-County Electric Power Assn Cooperative – – 13.7 41k
Dixie Electric Power Assn Cooperative 349 211 13.9 38k
Tombigbee Electric Power Assn Cooperative – – 13.0 37k
Magnolia Electric Power Assn Cooperative 1,258 – 16.1 31k
Central Electric Power Assn Cooperative – – 12.9 31k
Northcentral Mississippi E P A Cooperative 245 245 13.3 29k
North East Mississippi EPA Cooperative 24 7 14.2 27k
Southwest Mississippi E P A Cooperative 2,736 1,832 15.3 23k
Tallahatchie Valley E P A Cooperative 898 597 12.9 22k