Clay 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 |
|---|---|---|---|
| Sep 10, 2017 | 171 hrs | 70,149 (67%) | Unnamed event |
| Feb 7, 2020 | 45 hrs | 45,058 (43%) | Thunderstorm Wind |
| Apr 1, 2019 | 2 hrs | 40,937 (39%) | Unnamed event |
| May 28, 2024 | 1 hrs | 36,988 (35%) | Unnamed event |
| Sep 27, 2024 | 61 hrs | 36,385 (35%) | Hurricane Helene |
Over the 12 years from 2014 to 2025, Clay County recorded 1,363 distinct power outage events, averaging 1.6 hours per event.
The single worst outage on record in Clay County started September 10, 2017, lasting 171 hours and leaving up to 70,149 customers without power (67% of the county) at its peak.
July has historically been the worst month for outages in Clay County, with 175 events recorded during that month across the dataset.
Based on this history, Clay County earns a Reliability Grade of D, placing it in the 34th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Florida
Counties with the closest reliability grade and national percentile to Clay County.
| County | Grade | National percentile |
|---|---|---|
| Bradford County | D | 34th |
| Brevard County | D | 33rd |
| Miami-Dade County | D | 34th |
| St. Johns County | D | 33rd |
| Union County | D | 32nd |
FAQ
How often does power go out in Clay County?
Between 2014 and 2025, Clay County recorded 1,363 outage events, averaging 1.6 hours each.
What is Clay County's reliability grade?
Clay County has a Reliability Grade of D, in the 34th national percentile.
What was the worst power outage in Clay County?
The worst outage on record started September 10, 2017, lasting 171 hours and affecting up to 70,149 customers.