Osceola CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
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 hr | 9,331 (5%) | Funnel Cloud |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Osceola County, Florida that day.
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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.