Osceola 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 |
|---|---|---|---|
| Sep 10, 2017 | 243 hrs | 67,476 (34%) | Hurricane Irma |
| Oct 10, 2024 | 93 hrs | 49,214 (25%) | Hurricane Milton |
| Sep 28, 2022 | 308 hrs | 29,713 (15%) | Hurricane Ian |
| Apr 12, 2018 | 5 hrs | 11,049 (6%) | Unnamed event |
| Jul 27, 2017 | 1 hrs | 9,331 (5%) | Funnel Cloud |
Over the 12 years from 2014 to 2025, Osceola County recorded 1,262 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Osceola County started September 10, 2017 (Hurricane Irma), lasting 243 hours and leaving up to 67,476 customers without power (34% of the county) at its peak.
June has historically been the worst month for outages in Osceola County, with 154 events recorded during that month across the dataset.
Based on this history, Osceola County earns a Reliability Grade of C, placing it in the 58th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Osceola County's outage profile
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Similar counties in Florida
Counties with the closest reliability grade and national percentile to Osceola County.
| County | Grade | National percentile |
|---|---|---|
| Sumter County | C | 47th |
| Duval County | C | 47th |
| Palm Beach County | C | 44th |
| Alachua County | C | 44th |
| Walton County | B | 73rd |
FAQ
How often does power go out in Osceola County?
Between 2014 and 2025, Osceola County recorded 1,262 outage events, averaging 1.8 hours each.
What is Osceola County's reliability grade?
Osceola County has a Reliability Grade of C, in the 58th national percentile.
What was the worst power outage in Osceola County?
The worst outage on record started September 10, 2017 (Hurricane Irma), lasting 243 hours and affecting up to 67,476 customers.