Power outage history
Rankin County Mississippi
6.6hours
without power for the average customer in a typical year, 2018–2025
55th most of 74 in Mississippi close to 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 Rankin's customers who were without power at that day's worst moment.
Year by year
Hours in the dark, per customer
2024 was the worst well-recorded year, at 12 hours for the average customer. Hatched years have a thin record and are left out of the averages.
Rankin, 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 |
|---|---|---|---|---|---|---|
| Jun 16, 2023 | Thunderstorms | 21,096 | 25% | 3.7 d | 2.3 d | 554k |
| May 9, 2024 | Thunderstorms | 30,636 | 36% | 2.5 d | 42 h | 499k |
| Feb 17, 2021 | Ice storm | 9,040 | 11% | 2.1 d | 33 h | 196k |
| Dec 28, 2024 | Thunderstorms | 11,435 | 14% | 39 h | 27 h | 131k |
| Jun 16, 2017 | Thunderstorms | 11,174 | 13% | 23 h | 21 h | 101k |
| May 4, 2021 | Tornadoes | 13,830 | 16% | 31 h | 17 h | 98k |
| Apr 18, 2019 | Tornadoes | 7,139 | 8% | 25 h | 25 h | 94k |
| Jun 25, 2023 | Thunderstorms | 10,809 | 13% | 19 h | 17 h | 83k |
| May 27, 2020 | Thunderstorms | 12,409 | 15% | 27 h | 22 h | 83k |
| Aug 30, 2021 | Hurricane Ida | 5,752 | 7% | 32 h | 29 h | 75k |
| Apr 13, 2022 | Tornadoes | 8,317 | 10% | 19 h | 18 h | 61k |
| Feb 15, 2025 | Thunderstorms | 5,611 | 7% | 16 h | 17 h | 45k |
| Jun 14, 2020 | No storm report | 8,411 | 10% | 6.5 h | 6.2 h | 45k |
| Apr 10, 2024 | Windstorm | 2,911 | 3% | 28 h | – | 38k |
| Jun 4, 2024 | Thunderstorms | 7,480 | 9% | 11 h | 10 h | 37k |
| May 29, 2017 | Thunderstorms | 4,250 | 5% | 13 h | 13 h | 34k |
| May 15, 2023 | No storm report | 2,941 | 3% | 14 h | – | 31k |
| Apr 23, 2020 | Flooding | 3,669 | 4% | 14 h | – | 28k |
| Nov 28, 2016 | No storm report | 4,294 | 5% | 16 h | 13 h | 28k |
| Apr 9, 2021 | Thunderstorms | 4,729 | 6% | 15 h | 15 h | 26k |
| Jun 8, 2020 | Tropical Storm Cristobal | 4,489 | 5% | 11 h | 7.8 h | 26k |
| Mar 26, 2023 | Thunderstorms | 1,855 | 2% | 18 h | – | 22k |
| Oct 10, 2020 | Hurricane Delta | 4,620 | 5% | 8.5 h | 5.8 h | 22k |
| Apr 9, 2024 | Flooding | 4,540 | 5% | 8.8 h | 20 h | 19k |
| Apr 13, 2022 | Thunderstorms | 4,503 | 5% | 8.8 h | 8.2 h | 19k |
| Mar 4, 2025 | Thunderstorms | 3,861 | 5% | 11 h | – | 18k |
| Dec 15, 2015 | No storm report | 3,078 | 4% | 12 h | – | 16k |
| May 25, 2025 | No storm report | 1,664 | 2% | 14 h | – | 15k |
| Mar 30, 2022 | Thunderstorms | 4,381 | 5% | 6.0 h | 5.8 h | 13k |
| Jul 9, 2022 | Thunderstorms | 3,361 | 4% | 6.5 h | – | 13k |
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 Rankin from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.
- Thunderstorms 57%
- No storm on record 18%
- Tornadoes 9.1%
- Ice storm 6.6%
- Tropical storm 5.0%
- Flooding 2.7%
- Windstorm 1.4%
Who keeps the lights on
Utilities serving Rankin
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 |
| Southern Pine Electric Cooperative | Cooperative | 649 | 447 | 5.46 | 14.5 | 66k |
| Central Electric Power Assn | Cooperative | 808 | 321 | 6.08 | 12.9 | 31k |
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.
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 84,285 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 →