Duval County Power Outage History
2014–2025 · Florida
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 8, 2016 | 0 hrs | 467,041 (95%) | Hurricane Matthew |
| Oct 8, 2016 | 12 hrs | 454,234 (92%) | Hurricane Matthew |
| Oct 7, 2016 | 19 hrs | 234,394 (48%) | Hurricane Matthew |
| Oct 8, 2016 | 148 hrs | 162,216 (33%) | Hurricane Matthew |
| Sep 26, 2024 | 87 hrs | 133,729 (27%) | Hurricane Helene |
Over the 12 years from 2014 to 2025, Duval County recorded 4,405 distinct power outage events, averaging 1.6 hours per event.
The single worst outage on record in Duval County started October 8, 2016 (Hurricane Matthew), lasting 0 hours and leaving up to 467,041 customers without power (95% of the county) at its peak.
August has historically been the worst month for outages in Duval County, with 509 events recorded during that month across the dataset.
Based on this history, Duval County earns a Reliability Grade of C, placing it in the 47th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Duval County's outage profile
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Similar counties in Florida
Counties with the closest reliability grade and national percentile to Duval County.
| County | Grade | National percentile |
|---|---|---|
| Sumter County | C | 47th |
| Palm Beach County | C | 44th |
| Alachua County | C | 44th |
| Santa Rosa County | C | 42nd |
| Broward County | C | 41st |
FAQ
How often does power go out in Duval County?
Between 2014 and 2025, Duval County recorded 4,405 outage events, averaging 1.6 hours each.
What is Duval County's reliability grade?
Duval County has a Reliability Grade of C, in the 47th national percentile.
What was the worst power outage in Duval County?
The worst outage on record started October 8, 2016 (Hurricane Matthew), lasting 0 hours and affecting up to 467,041 customers.