Power outage history
Henry County Georgia
2.5hours
without power for the average customer in a typical year, 2018–2025
139th most of 156 in Georgia 61% 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 Henry's customers who were without power at that day's worst moment.
Year by year
Hours in the dark, per customer
2023 was the worst well-recorded year, at 6.1 hours for the average customer. Hatched years have a thin record and are left out of the averages.
Henry, 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 |
|---|---|---|---|---|---|---|
| Sep 11, 2017 | Hurricane Irma | 29,929 | 22% | 2.4 d | 45 h | 787k |
| Jan 12, 2023 | Thunderstorms | 21,828 | 16% | 3.0 d | 2.3 d | 353k |
| Jun 25, 2023 | Thunderstorms | 17,845 | 13% | 16 h | 14 h | 139k |
| Jun 26, 2025 | Thunderstorms | 15,795 | 12% | 18 h | 17 h | 134k |
| Oct 29, 2020 | Hurricane Zeta | 15,981 | 12% | 13 h | 8.2 h | 95k |
| Sep 27, 2024 | Hurricane Helene | 8,490 | 6% | 16 h | 12 h | 67k |
| Feb 16, 2025 | Thunderstorms | 11,203 | 8% | 9.0 h | 8.8 h | 66k |
| Jan 10, 2025 | No storm report | 8,021 | 6% | 18 h | 14 h | 53k |
| Aug 7, 2023 | No storm report | 7,548 | 5% | 7.8 h | 7.0 h | 35k |
| Jul 11, 2016 | Thunderstorms | 7,240 | 5% | 6.2 h | 6.8 h | 30k |
| Jan 3, 2022 | No storm report | 5,478 | 4% | 8.0 h | 8.5 h | 29k |
| Apr 10, 2024 | No storm report | 4,976 | 4% | 7.2 h | – | 28k |
| Apr 6, 2022 | No storm report | 5,446 | 4% | 6.2 h | 2.2 h | 20k |
| Jul 7, 2023 | No storm report | 5,281 | 4% | 7.2 h | 8.2 h | 20k |
| Dec 23, 2022 | No storm report | 6,200 | 5% | 6.0 h | 3.0 h | 19k |
| May 7, 2023 | No storm report | 19,514 | 14% | 2.0 h | 1.5 h | 18k |
| Jun 14, 2023 | Thunderstorms | 6,213 | 5% | 4.0 h | 3.2 h | 17k |
| Jul 20, 2022 | No storm report | 16,545 | 12% | 3.5 h | 2.5 h | 17k |
| Apr 10, 2025 | Thunderstorms | 5,442 | 4% | 3.5 h | 5.0 h | 16k |
| Jul 30, 2022 | No storm report | 15,912 | 12% | 2.0 h | 2.0 h | 14k |
| Mar 12, 2022 | No storm report | 3,996 | 3% | 7.2 h | – | 13k |
| Jul 27, 2021 | No storm report | 3,612 | 3% | 4.0 h | – | 13k |
| Mar 31, 2020 | Thunderstorms | 4,864 | 4% | 4.8 h | – | 12k |
| Mar 1, 2024 | No storm report | 1,986 | 1% | 5.2 h | – | 10k |
| Sep 27, 2018 | Thunderstorms | 11,297 | 8% | 2.5 h | 2.5 h | 10k |
| Jul 3, 2023 | No storm report | 12,839 | 9% | 2.2 h | 12 min | 10k |
| Aug 1, 2021 | Thunderstorms | 1,820 | 1% | 5.2 h | – | 8.2k |
| Mar 20, 2018 | Thunderstorms | 3,869 | 3% | 3.5 h | – | 8.2k |
| Jun 24, 2015 | No storm report | 4,773 | 3% | 2.0 h | – | 7.3k |
| Aug 14, 2021 | No storm report | 3,253 | 2% | 2.5 h | – | 7.1k |
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 Henry from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.
- Thunderstorms 50%
- No storm on record 38%
- Tropical storm 11%
- Tornadoes 0.7%
Who keeps the lights on
Utilities serving Henry
As each utility reports to the Energy Information Administration for its whole Georgia territory, not this county alone. Outage minutes include major storm days.
| Utility | Type | Outage min / yr | Excl. major storms | Outages / yr | Residential ¢/kWh | Customers |
|---|---|---|---|---|---|---|
| Georgia Power Co | Investor Owned | 287 | 155 | 1.83 | 16.3 | 2.5M |
| Snapping Shoals El Member Corp | Cooperative | 175 | 100 | 1.45 | 13.0 | 106k |
| Central Georgia El Member Corp | Cooperative | 168 | 77 | 1.83 | 13.1 | 63k |
| City of College Park | Municipal | – | – | – | 11.9 | 7.8k |
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 137,362 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 →