PowerOutageHistory
F

Hamilton County Power Outage History

20142025 · Florida

Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated

Total events
1,027
Avg duration
2.7 hrs
Longest outage
274 hrs
National percentile
1st

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 27, 2024189 hrs9,568 (98%)Hurricane Helene
Sep 11, 2017162 hrs8,922 (91%)Unnamed event
Aug 30, 2023274 hrs7,855 (80%)Unnamed event
Aug 5, 202476 hrs7,050 (72%)Hurricane Debby
Dec 27, 20210 hrs6,920 (71%)Unnamed event

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).

Sized for Hamilton County's outage profile

See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.

Outage-prep kit

See our outage-prep guides or the Florida storm prep checklist.

Similar counties in Florida

Counties with the closest reliability grade and national percentile to Hamilton County.

CountyGradeNational percentile
Highlands CountyF3rd
Jefferson CountyF3rd
Dixie CountyF4th
Charlotte CountyF4th
Taylor CountyF5th

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.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.