Power outage history
Sunflower County Mississippi
8.7hours
without power for the average customer in a typical year, 2018–2025
42nd most of 74 in Mississippi 1.3× the national median
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 Sunflower's customers who were without power at that day's worst moment.
Year by year
Hours in the dark, per customer
2020 was the worst well-recorded year, at 26 hours for the average customer. Hatched years have a thin record and are left out of the averages.
Sunflower, hours without power per customer
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 |
|---|---|---|---|---|---|---|
| Jan 11, 2020 | Tornadoes | 3,876 | 33% | 4.7 d | 3.5 d | 229k |
| Apr 12, 2020 | Thunderstorms | 1,868 | 16% | 2.8 d | 44 h | 39k |
| Aug 12, 2021 | No storm report | 1,817 | 15% | 20 h | 30 min | 37k |
| May 25, 2025 | No storm report | 2,342 | 20% | 24 h | 18 h | 15k |
| Jan 12, 2024 | Thunderstorms | 1,901 | 16% | 34 h | 12 h | 14k |
| Jun 16, 2023 | Thunderstorms | 1,288 | 11% | 23 h | 19 h | 14k |
| Jul 21, 2018 | Thunderstorms | 1,933 | 16% | 20 h | 11 h | 12k |
| Jun 19, 2019 | Thunderstorms | 1,342 | 11% | 17 h | 14 h | 12k |
| Aug 22, 2015 | No storm report | 1,565 | 13% | 8.5 h | 7.0 h | 12k |
| Aug 18, 2024 | Thunderstorms | 791 | 7% | 25 h | 21 h | 9.6k |
| May 4, 2021 | Thunderstorms | 949 | 8% | 24 h | 18 h | 9.0k |
| Jun 8, 2022 | Thunderstorms | 1,761 | 15% | 18 h | 4.0 h | 8.6k |
| Mar 30, 2017 | No storm report | 804 | 7% | 18 h | 18 h | 8.0k |
| Mar 31, 2016 | Flooding | 1,678 | 14% | 13 h | 3.8 h | 7.7k |
| Mar 3, 2019 | No storm report | 813 | 7% | 13 h | 13 h | 7.1k |
| Mar 15, 2024 | No storm report | 983 | 8% | 15 h | 14 h | 6.9k |
| Mar 30, 2022 | Windstorm | 592 | 5% | 18 h | – | 6.0k |
| May 30, 2016 | No storm report | 1,517 | 13% | 4.2 h | 4.2 h | 5.8k |
| Jul 15, 2024 | No storm report | 835 | 7% | 12 h | 6.8 h | 5.6k |
| May 15, 2022 | Thunderstorms | 390 | 3% | 25 h | – | 5.6k |
| Apr 2, 2017 | Thunderstorms | 1,119 | 9% | 17 h | 17 h | 5.5k |
| Jul 1, 2017 | No storm report | 918 | 8% | 10 h | 8.0 h | 5.4k |
| Jun 25, 2023 | No storm report | 178 | 1% | 37 h | – | 5.3k |
| May 20, 2018 | No storm report | 1,498 | 13% | 8.5 h | 5.5 h | 4.7k |
| Aug 14, 2021 | Flooding | 1,493 | 13% | 3.0 h | 3.0 h | 4.3k |
| Mar 24, 2023 | No storm report | 631 | 5% | 15 h | 18 h | 4.3k |
| Dec 30, 2021 | No storm report | 921 | 8% | 5.0 h | 9.8 h | 4.2k |
| Aug 21, 2022 | No storm report | 602 | 5% | 13 h | 12 h | 3.8k |
| May 26, 2021 | No storm report | 1,468 | 12% | 7.5 h | 7.5 h | 3.5k |
| Aug 30, 2015 | No storm report | 2,934 | 25% | 2.0 h | 1.5 h | 3.1k |
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.
When it happens
The outage clock
Customer-hours out by month (rings, January innermost) and local hour, 2018–2025.
What was happening
Weather behind the outages
Each outage is matched to NOAA storm reports for Sunflower from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.
- No storm on record 37%
- Tornadoes 37%
- Thunderstorms 23%
- Windstorm 1.0%
- Flooding 0.9%
- Tropical storm 0.6%
Who keeps the lights on
Utilities serving Sunflower
As each utility reports to the Energy Information Administration for its whole Mississippi 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 Mississippi LLC | Investor Owned | 640 | 410 | 2.61 | 13.9 | 384k |
| Twin County Electric Pwr Assn | MS | 4,150 | 283 | – | 13.9 | 108k |
| Coahoma Electric Power Assn | MS | – | – | – | 10.9 | 92k |
| Delta Electric Power Assn | Cooperative | 1,941 | 578 | 5.81 | 12.7 | 21k |
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
- Tallahatchie 23 h
- Humphreys 14 h
- Bolivar 11 h
- Sunflower (this county) 8.7 h
- Washington 7.2 h
- Coahoma 5.3 h
- Leflore 1.2 h
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 11,919 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 →