Power Out Map
– 0% of Mississippi out 0 customers out in Arkansas

Power outage history

Mississippi County Arkansas

8.6hours

without power for the average customer in a typical year, 2018–2025

41st most of 73 in Arkansas 1.3× the national median

Worst outage on record Apr 30, 2017 43% of customers out · 90% back in 38 hours
Hours without power, average customer per year 8.6h / yr State average 8.0 h · national median 6.6 h
Major outages a year 3.8 Peaks over 10% of customers or 50,000 customers
Typical time to restore 90% 6hours Median across major outages, from the peak
Longest single outage 4.0days Jun 25, 2023, over 1% of customers out
Outage hours on storm days 66% Share falling on days with a NOAA storm report here
Worst year 2022 13 hours without power, average customer
Electricity customers 17,931 ORNL customer model · 8 well-covered years

Every day since 2015

Eleven years, one night at a time

Each cell is a day. The brighter it is, the larger the share of Mississippi's customers who were without power at that day's worst moment.

20152016201720182019202020212022202320242025
0%100% of customers out

Year by year

Hours in the dark, per customer

2022 was the worst well-recorded year, at 13 hours for the average customer. Hatched years have a thin record and are left out of the averages.

Mississippi, hours without power per customer

MississippiUS median countyArkansas average
0 5 10 15 20 25 7.7 ’15 6.5 ’16 20 ’17 10 ’18 3.7 ’19 7.2 ’20 11 ’21 13 ’22 10 ’23 5.8 ’24 7.9 ’25 AR 8.0 US 6.6

The record

The biggest outages since 2015

Ranked by customer-hours lost: customers out multiplied by how long they stayed out. Times are local.

Began Storm Peak out Share Lasted 90% restored Customer-hours
Apr 29, 2017 Tornadoes 7,688 43% 3.1 d 38 h 174k
Mar 1, 2017 Thunderstorms 6,806 38% 37 h 34 h 94k
Dec 10, 2021 Tornadoes 2,700 15% 2.8 d 46 h 84k
Feb 24, 2022 Ice storm 1,869 10% 3.5 d 3.3 d 71k
Jun 25, 2023 Thunderstorms 1,902 11% 4.0 d 4.0 d 63k
Jan 21, 2016 Winter storm 5,428 30% 37 h 5.2 h 43k
Jul 14, 2015 Thunderstorms 5,560 31% 29 h 19 h 37k
Jan 11, 2020 Thunderstorms 2,147 12% 40 h 40 h 34k
Aug 16, 2018 Thunderstorms 3,636 20% 14 h 6.2 h 26k
Apr 8, 2020 No storm report 2,819 16% 14 h 14 h 24k
Dec 9, 2018 Winter storm 2,185 12% 34 h 12 h 23k
Apr 3, 2018 Thunderstorms 2,706 15% 25 h 18 h 22k

After the peak

How fast the lights come back

Each line is one major outage, from its peak. The amber line is the typical path.

0% 25% 50% 75% 100% peak+24h+48h+72h+96h half back by +10h 90% by +20h

When it happens

The outage clock

Customer-hours out by month (rings, January innermost) and local hour, 2018–2025.

00061218 Jan inside

What was happening

Weather behind the outages

Each outage is matched to NOAA storm reports for Mississippi from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.

  • No storm on record 34%
  • Thunderstorms 25%
  • Tornadoes 13%
  • Winter storm 8.3%
  • Ice storm 7.2%
  • Heat 5.8%
  • Windstorm 4.5%
  • Tropical storm 1.7%
  • Flooding 0.6%

Who keeps the lights on

Utilities serving Mississippi

As each utility reports to the Energy Information Administration for its whole Arkansas territory, not this county alone. Outage minutes include major storm days.

Utility Type Outage min / yr Excl. major storms Outages / yr Residential ¢/kWh Customers
Entergy Arkansas LLC Investor Owned 518 252 2.24 13.4 612k
City of Osceola AR – – – 10.5 40k
Mississippi County Electric Co Cooperative – – – 9.4 3.2k

EIA Form 861, latest year each utility reported. Outage minutes are SAIDI, the yearly minutes the average customer goes without power; outages a year are SAIFI.

Next door

Neighbouring counties

Across Arkansas

Where it is darkest

Hours / yr64+

All Arkansas counties →

About these numbers

Notes

Outages come from the EAGLE-I record of utility outage maps collected every 15 minutes by Oak Ridge National Laboratory. Hours without power are customer-hours divided by the county's 17,931 electricity customers. Averages use well-covered years from 2018. Outages shorter than 15 minutes, and utilities that publish no outage map, are not in the record, so these figures understate the total. How every number is made →