Lake 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 | 227 hrs | 144,324 (66%) | Hurricane Irma |
| Oct 9, 2024 | 183 hrs | 98,541 (45%) | Hurricane Milton |
| Sep 28, 2022 | 100 hrs | 35,937 (17%) | Hurricane Ian |
| Aug 5, 2024 | 14 hrs | 18,585 (9%) | Hurricane Debby |
| Feb 3, 2021 | 3 hrs | 10,766 (5%) | Unnamed event |
Over the 12 years from 2014 to 2025, Lake County recorded 1,830 distinct power outage events, averaging 1.9 hours per event.
The single worst outage on record in Lake County started September 10, 2017 (Hurricane Irma), lasting 227 hours and leaving up to 144,324 customers without power (66% of the county) at its peak.
July has historically been the worst month for outages in Lake County, with 270 events recorded during that month across the dataset.
Based on this history, Lake County earns a Reliability Grade of D, placing it in the 24th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Lake County's outage profile
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Similar counties in Florida
Counties with the closest reliability grade and national percentile to Lake County.
| County | Grade | National percentile |
|---|---|---|
| Citrus County | D | 24th |
| Escambia County | D | 23rd |
| Hendry County | D | 23rd |
| Pasco County | D | 23rd |
| Holmes County | D | 23rd |
FAQ
How often does power go out in Lake County?
Between 2014 and 2025, Lake County recorded 1,830 outage events, averaging 1.9 hours each.
What is Lake County's reliability grade?
Lake County has a Reliability Grade of D, in the 24th national percentile.
What was the worst power outage in Lake County?
The worst outage on record started September 10, 2017 (Hurricane Irma), lasting 227 hours and affecting up to 144,324 customers.