Hernando County Power Outage History
2014–2025 · Florida
Worse than average — more frequent or longer 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 |
|---|---|---|---|
| Oct 9, 2024 | 140 hrs | 58,050 (54%) | Hurricane Milton |
| Oct 18, 2019 | 1 hrs | 26,419 (24%) | Unnamed event |
| Sep 26, 2024 | 59 hrs | 20,658 (19%) | Unnamed event |
| Oct 30, 2015 | 1 hrs | 14,714 (14%) | Unnamed event |
| Jul 28, 2016 | 2 hrs | 13,783 (13%) | Unnamed event |
Over the 12 years from 2014 to 2025, Hernando County recorded 1,179 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Hernando County started October 9, 2024 (Hurricane Milton), lasting 140 hours and leaving up to 58,050 customers without power (54% of the county) at its peak.
July has historically been the worst month for outages in Hernando County, with 202 events recorded during that month across the dataset.
Based on this history, Hernando County earns a Reliability Grade of D, placing it in the 40th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Hernando County's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
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 Hernando County.
| County | Grade | National percentile |
|---|---|---|
| St. Lucie County | D | 40th |
| Nassau County | C | 40th |
| Broward County | C | 41st |
| Santa Rosa County | C | 42nd |
| Martin County | D | 37th |
FAQ
How often does power go out in Hernando County?
Between 2014 and 2025, Hernando County recorded 1,179 outage events, averaging 1.8 hours each.
What is Hernando County's reliability grade?
Hernando County has a Reliability Grade of D, in the 40th national percentile.
What was the worst power outage in Hernando County?
The worst outage on record started October 9, 2024 (Hurricane Milton), lasting 140 hours and affecting up to 58,050 customers.