Henry County Power Outage History
2014–2025 · Georgia
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 11, 2017 | 98 hrs | 29,929 (22%) | Tropical Storm Irma |
| Jul 20, 2022 | 4 hrs | 22,192 (16%) | Unnamed event |
| Jan 12, 2023 | 124 hrs | 21,828 (16%) | Thunderstorm Wind |
| May 9, 2023 | 1 hrs | 21,090 (15%) | Unnamed event |
| May 8, 2023 | 3 hrs | 19,514 (14%) | Unnamed event |
Over the 12 years from 2014 to 2025, Henry County recorded 1,016 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Henry County started September 11, 2017 (Tropical Storm Irma), lasting 98 hours and leaving up to 29,929 customers without power (22% of the county) at its peak.
July has historically been the worst month for outages in Henry County, with 119 events recorded during that month across the dataset.
Based on this history, Henry County earns a Reliability Grade of B, placing it in the 70th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Henry County's outage profile
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Outage-prep kit
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Similar counties in Georgia
Counties with the closest reliability grade and national percentile to Henry County.
| County | Grade | National percentile |
|---|---|---|
| Cherokee County | B | 70th |
| Towns County | B | 71st |
| Upson County | B | 71st |
| Douglas County | B | 71st |
| Rockdale County | B | 69th |
FAQ
How often does power go out in Henry County?
Between 2014 and 2025, Henry County recorded 1,016 outage events, averaging 2.1 hours each.
What is Henry County's reliability grade?
Henry County has a Reliability Grade of B, in the 70th national percentile.
What was the worst power outage in Henry County?
The worst outage on record started September 11, 2017 (Tropical Storm Irma), lasting 98 hours and affecting up to 29,929 customers.