Palm Beach 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 11, 2017 | 12 hrs | 1,098,160 (98%) | Hurricane Irma |
| Sep 11, 2017 | 1 hrs | 1,044,000 (93%) | Hurricane Irma |
| Sep 11, 2017 | 4 hrs | 1,035,380 (92%) | Hurricane Irma |
| Sep 11, 2017 | 65 hrs | 1,018,980 (91%) | Hurricane Irma |
| Sep 9, 2017 | 43 hrs | 543,450 (48%) | Hurricane Irma |
Over the 12 years from 2014 to 2025, Palm Beach County recorded 8,727 distinct power outage events, averaging 1.6 hours per event.
The single worst outage on record in Palm Beach County started September 11, 2017 (Hurricane Irma), lasting 12 hours and leaving up to 1,098,160 customers without power (98% of the county) at its peak.
July has historically been the worst month for outages in Palm Beach County, with 998 events recorded during that month across the dataset.
Based on this history, Palm Beach County earns a Reliability Grade of C, placing it in the 44th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Palm Beach County's outage profile
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Similar counties in Florida
Counties with the closest reliability grade and national percentile to Palm Beach County.
| County | Grade | National percentile |
|---|---|---|
| Alachua County | C | 44th |
| Santa Rosa County | C | 42nd |
| Duval County | C | 47th |
| Broward County | C | 41st |
| Sumter County | C | 47th |
FAQ
How often does power go out in Palm Beach County?
Between 2014 and 2025, Palm Beach County recorded 8,727 outage events, averaging 1.6 hours each.
What is Palm Beach County's reliability grade?
Palm Beach County has a Reliability Grade of C, in the 44th national percentile.
What was the worst power outage in Palm Beach County?
The worst outage on record started September 11, 2017 (Hurricane Irma), lasting 12 hours and affecting up to 1,098,160 customers.