Glynn CountyPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 11, 2017 | 140 hrs | 46,361 (92%) | Hurricane Irma |
| Sep 27, 2024 | 140 hrs | 44,591 (88%) | Hurricane Helene |
| Oct 7, 2016 | 26 hrs | 41,734 (83%) | Hurricane Matthew |
| Oct 8, 2016 | 71 hrs | 35,693 (71%) | Hurricane Matthew |
| Jan 22, 2025 | 46 hrs | 29,958 (59%) | Winter Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Glynn County, Georgia that day.
Over the 12 years from 2014 to 2025, Glynn County recorded 782 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Glynn County started September 11, 2017 (Hurricane Irma), lasting 140 hours and leaving up to 46,361 customers without power (92% of the county) at its peak.
August has historically been the worst month for outages in Glynn County, with 104 events recorded during that month across the dataset.
Based on this history, Glynn County earns a Reliability Grade of F, placing it in the 5th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Georgia
Counties with the closest reliability grade and national percentile to Glynn County.
| County | Grade | National percentile |
|---|---|---|
| Bacon County | F | 5th |
| Candler County | F | 5th |
| Evans County | F | 5th |
| Johnson County | F | 5th |
| Ware County | F | 5th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in Glynn County?
Between 2014 and 2025, Glynn County recorded 782 outage events, averaging 2.3 hours each.
What is Glynn County's reliability grade?
Glynn County has a Reliability Grade of F, in the 5th national percentile.
What was the worst power outage in Glynn County?
The worst outage on record started September 11, 2017 (Hurricane Irma), lasting 140 hours and affecting up to 46,361 customers.