Orange 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 | 247 hrs | 331,670 (50%) | Hurricane Irma |
| Sep 28, 2022 | 148 hrs | 229,025 (34%) | Hurricane Ian |
| Oct 9, 2024 | 187 hrs | 158,190 (24%) | Hurricane Milton |
| Nov 10, 2022 | 41 hrs | 62,314 (9%) | Hurricane Nicole |
| Oct 7, 2016 | 40 hrs | 60,016 (9%) | Hurricane Matthew |
Over the 12 years from 2014 to 2025, Orange County recorded 4,734 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Orange County started September 10, 2017 (Hurricane Irma), lasting 247 hours and leaving up to 331,670 customers without power (50% of the county) at its peak.
July has historically been the worst month for outages in Orange County, with 579 events recorded during that month across the dataset.
Based on this history, Orange County earns a Reliability Grade of D, placing it in the 26th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Orange County's outage profile
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Similar counties in Florida
Counties with the closest reliability grade and national percentile to Orange County.
| County | Grade | National percentile |
|---|---|---|
| Hillsborough County | D | 26th |
| Citrus County | D | 24th |
| Lake County | D | 24th |
| Escambia County | D | 23rd |
| Hendry County | D | 23rd |
FAQ
How often does power go out in Orange County?
Between 2014 and 2025, Orange County recorded 4,734 outage events, averaging 1.8 hours each.
What is Orange County's reliability grade?
Orange County has a Reliability Grade of D, in the 26th national percentile.
What was the worst power outage in Orange County?
The worst outage on record started September 10, 2017 (Hurricane Irma), lasting 247 hours and affecting up to 331,670 customers.