Ponce MunicipioPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 17, 2022 | 242 hrs | 210,593 (99%) | Hurricane Fiona |
| Apr 17, 2025 | 26 hrs | 194,353 (91%) | Unnamed event |
| Apr 16, 2025 | 9 hrs | 192,742 (91%) | Unnamed event |
| Sep 27, 2022 | 36 hrs | 168,936 (80%) | Unnamed event |
| Apr 7, 2022 | 14 hrs | 154,985 (73%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Ponce Municipio, Puerto Rico that day.
Over the 5 years from 2021 to 2025, Ponce Municipio recorded 3,398 distinct power outage events, averaging 4.5 hours per event.
The single worst outage on record in Ponce Municipio started September 17, 2022 (Hurricane Fiona), lasting 242 hours and leaving up to 210,593 customers without power (99% of the county) at its peak.
May has historically been the worst month for outages in Ponce Municipio, with 344 events recorded during that month across the dataset.
Based on this history, Ponce Municipio earns a Reliability Grade of F, placing it in the 0th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Puerto Rico
Counties with the closest reliability grade and national percentile to Ponce Municipio.
| County | Grade | National percentile |
|---|---|---|
| Arecibo Municipio | F | 0th |
| Caguas Municipio | F | 1st |
| Mayagüez Municipio | F | 0th |
| Bayamón Municipio | F | 3rd |
| San Juan Municipio | F | 4th |
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 Ponce Municipio?
Between 2021 and 2025, Ponce Municipio recorded 3,398 outage events, averaging 4.5 hours each.
What is Ponce Municipio's reliability grade?
Ponce Municipio has a Reliability Grade of F, in the 0th national percentile.
What was the worst power outage in Ponce Municipio?
The worst outage on record started September 17, 2022 (Hurricane Fiona), lasting 242 hours and affecting up to 210,593 customers.