Collier County Power Outage History
2014–2025 · Florida
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 11, 2017 | 65 hrs | 401,860 (91%) | Hurricane Irma |
| Sep 11, 2017 | 4 hrs | 401,100 (91%) | Hurricane Irma |
| Sep 11, 2017 | 1 hrs | 400,900 (91%) | Hurricane Irma |
| Sep 11, 2017 | 12 hrs | 394,020 (89%) | Hurricane Irma |
| Sep 28, 2022 | 348 hrs | 212,911 (48%) | Tropical Storm Ian |
Over the 12 years from 2014 to 2025, Collier County recorded 2,820 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Collier County started September 11, 2017 (Hurricane Irma), lasting 65 hours and leaving up to 401,860 customers without power (91% of the county) at its peak.
July has historically been the worst month for outages in Collier County, with 361 events recorded during that month across the dataset.
Based on this history, Collier County earns a Reliability Grade of F, placing it in the 13th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Collier County's outage profile
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Similar counties in Florida
Counties with the closest reliability grade and national percentile to Collier County.
| County | Grade | National percentile |
|---|---|---|
| Seminole County | F | 13th |
| Leon County | F | 14th |
| Gadsden County | F | 13th |
| Hardee County | F | 12th |
| DeSoto County | F | 12th |
FAQ
How often does power go out in Collier County?
Between 2014 and 2025, Collier County recorded 2,820 outage events, averaging 1.8 hours each.
What is Collier County's reliability grade?
Collier County has a Reliability Grade of F, in the 13th national percentile.
What was the worst power outage in Collier County?
The worst outage on record started September 11, 2017 (Hurricane Irma), lasting 65 hours and affecting up to 401,860 customers.