Power outage history
Alexander County Illinois
4.3hours
without power for the average customer in a typical year, 2018–2025
34% below 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 Alexander's customers who were without power at that day's worst moment.
Year by year
Hours in the dark, per customer
2019 was the worst well-recorded year, at 4.9 hours for the average customer. Hatched years have a thin record and are left out of the averages.
Alexander, 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 5, 2025 | Ice storm | 670 | 24% | 33 h | 20 h | 14k |
| Jul 8, 2015 | Flooding | 666 | 23% | 12 h | 1.0 h | 7.5k |
| Jun 21, 2019 | Flooding | 781 | 27% | 20 h | 19 h | 7.1k |
| Mar 1, 2017 | No storm report | 882 | 31% | 7.5 h | 7.5 h | 5.3k |
| Jun 28, 2018 | Thunderstorms | 837 | 29% | 12 h | 6.2 h | 5.2k |
| May 26, 2024 | No storm report | 423 | 15% | 44 h | 42 h | 4.7k |
| May 24, 2015 | No storm report | 442 | 16% | 15 h | 14 h | 2.8k |
| Jul 8, 2016 | No storm report | 194 | 7% | 18 h | 17 h | 2.5k |
| Mar 30, 2016 | No storm report | 217 | 8% | 12 h | 11 h | 2.4k |
| Mar 30, 2025 | Tornadoes | 637 | 22% | 3.8 h | 3.8 h | 2.3k |
| Dec 15, 2022 | No storm report | 382 | 13% | 7.2 h | 7.0 h | 2.3k |
| Jan 16, 2017 | No storm report | 436 | 15% | 8.2 h | 11 h | 2.1k |
| May 9, 2021 | Windstorm | 546 | 19% | 3.8 h | 3.8 h | 1.8k |
| May 8, 2020 | Flooding | 436 | 15% | 4.5 h | 4.2 h | 1.7k |
| Nov 27, 2015 | No storm report | 217 | 8% | 7.0 h | 7.0 h | 1.5k |
| Nov 5, 2022 | Windstorm | 139 | 5% | 12 h | – | 1.5k |
| Mar 17, 2021 | Flooding | 546 | 19% | 2.8 h | 1.8 h | 1.3k |
| May 26, 2024 | No storm report | 194 | 7% | 6.8 h | 19 h | 1.2k |
| Apr 29, 2021 | No storm report | 547 | 19% | 2.5 h | 2.5 h | 1.2k |
| Jun 13, 2025 | No storm report | 302 | 11% | 5.8 h | 5.5 h | 1.2k |
| Apr 18, 2021 | No storm report | 546 | 19% | 3.0 h | 2.8 h | 1.2k |
| Jul 29, 2023 | Heat | 639 | 22% | 3.0 h | 1.8 h | 1.1k |
| Oct 20, 2020 | No storm report | 549 | 19% | 8.2 h | 30 min | 1.1k |
| Jun 17, 2022 | Heat | 179 | 6% | 9.5 h | 9.5 h | 1.1k |
| Apr 30, 2017 | Flooding | 622 | 22% | 1.8 h | 1.8 h | 1.1k |
| Jan 8, 2018 | No storm report | 605 | 21% | 1.8 h | 1.8 h | 1.1k |
| Apr 11, 2019 | Flooding | 224 | 8% | 6.0 h | 3.5 h | 1.0k |
| Jan 23, 2017 | No storm report | 205 | 7% | 4.8 h | 4.8 h | 974 |
| May 5, 2023 | No storm report | 199 | 7% | 5.8 h | 2.5 h | 945 |
| Mar 14, 2019 | Flooding | 218 | 8% | 4.2 h | 4.2 h | 926 |
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 Alexander from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.
- No storm on record 38%
- Flooding 23%
- Ice storm 19%
- Thunderstorms 8.1%
- Windstorm 5.1%
- Heat 3.8%
- Tornadoes 3.2%
Who keeps the lights on
Utilities serving Alexander
As each utility reports to the Energy Information Administration for its whole Illinois territory, not this county alone. Outage minutes include major storm days.
| Utility | Type | Outage min / yr | Excl. major storms | Outages / yr | Residential ¢/kWh | Customers |
|---|---|---|---|---|---|---|
| Ameren Illinois Company | Investor Owned | 287 | 130 | 1.19 | 16.7 | 1.1M |
| Southern Illinois Elec Coop | IL | 228 | 105 | – | 15.3 | 152k |
| Cairo Public Utility Company | IL | – | – | – | – | 9.2k |
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
- Ballard, KY 7.1 h
- Mississippi, MO 4.4 h
- Alexander (this county) 4.3 h
- Cape Girardeau, MO 3.9 h
- Union 3.4 h
- Pulaski 3.1 h
- Scott, MO 2.5 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 2,842 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 →