Hamilton 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 27, 2024 | 189 hrs | 9,568 (98%) | Hurricane Helene |
| Sep 11, 2017 | 162 hrs | 8,922 (91%) | Unnamed event |
| Aug 30, 2023 | 274 hrs | 7,855 (80%) | Unnamed event |
| Aug 5, 2024 | 76 hrs | 7,050 (72%) | Hurricane Debby |
| Dec 27, 2021 | <1 hr | 6,920 (71%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Hamilton County, Florida that day.
Over the 12 years from 2014 to 2025, Hamilton County recorded 1,027 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Hamilton County started September 27, 2024 (Hurricane Helene), lasting 189 hours and leaving up to 9,568 customers without power (98% of the county) at its peak.
June has historically been the worst month for outages in Hamilton County, with 155 events recorded during that month across the dataset.
Based on this history, Hamilton County earns a Reliability Grade of F, placing it in the 1st percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Florida
Counties with the closest reliability grade and national percentile to Hamilton County.
| County | Grade | National percentile |
|---|---|---|
| Highlands County | F | 3rd |
| Jefferson County | F | 3rd |
| Dixie County | F | 4th |
| Charlotte County | F | 4th |
| Taylor 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 Hamilton County?
Between 2014 and 2025, Hamilton County recorded 1,027 outage events, averaging 2.7 hours each.
What is Hamilton County's reliability grade?
Hamilton County has a Reliability Grade of F, in the 1st national percentile.
What was the worst power outage in Hamilton County?
The worst outage on record started September 27, 2024 (Hurricane Helene), lasting 189 hours and affecting up to 9,568 customers.