Bayamón 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 |
|---|---|---|---|
| Apr 16, 2025 | 8 hrs | 185,758 (86%) | Unnamed event |
| Sep 16, 2022 | 265 hrs | 145,204 (67%) | Hurricane Earl |
| Feb 24, 2025 | 13 hrs | 95,933 (44%) | Unnamed event |
| Apr 17, 2025 | 26 hrs | 90,890 (42%) | Unnamed event |
| Aug 16, 2022 | 57 hrs | 86,718 (40%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Bayamón Municipio, Puerto Rico that day.
Over the 5 years from 2021 to 2025, Bayamón Municipio recorded 3,655 distinct power outage events, averaging 6.2 hours per event.
The single worst outage on record in Bayamón Municipio started April 16, 2025, lasting 8 hours and leaving up to 185,758 customers without power (86% of the county) at its peak.
November has historically been the worst month for outages in Bayamón Municipio, with 354 events recorded during that month across the dataset.
Based on this history, Bayamón Municipio earns a Reliability Grade of F, placing it in the 3rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Puerto Rico
Counties with the closest reliability grade and national percentile to Bayamón Municipio.
| County | Grade | National percentile |
|---|---|---|
| San Juan Municipio | F | 4th |
| Caguas Municipio | F | 1st |
| Ponce Municipio | F | 0th |
| Arecibo Municipio | F | 0th |
| Mayagüez Municipio | F | 0th |
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 Bayamón Municipio?
Between 2021 and 2025, Bayamón Municipio recorded 3,655 outage events, averaging 6.2 hours each.
What is Bayamón Municipio's reliability grade?
Bayamón Municipio has a Reliability Grade of F, in the 3rd national percentile.
What was the worst power outage in Bayamón Municipio?
The worst outage on record started April 16, 2025, lasting 8 hours and affecting up to 185,758 customers.