Mayagüez Municipio Power Outage History
2021–2025 · Puerto Rico
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 17, 2022 | 250 hrs | 219,197 (100%) | Unnamed event |
| Sep 27, 2022 | 36 hrs | 176,445 (81%) | Unnamed event |
| Apr 16, 2025 | 20 hrs | 168,251 (77%) | Unnamed event |
| Apr 17, 2025 | 18 hrs | 162,120 (74%) | Unnamed event |
| Sep 29, 2022 | 2 hrs | 156,589 (71%) | Unnamed event |
Over the 5 years from 2021 to 2025, Mayagüez Municipio recorded 3,308 distinct power outage events, averaging 7.0 hours per event.
The single worst outage on record in Mayagüez Municipio started September 17, 2022, lasting 250 hours and leaving up to 219,197 customers without power (100% of the county) at its peak.
November has historically been the worst month for outages in Mayagüez Municipio, with 312 events recorded during that month across the dataset.
Based on this history, Mayagüez Municipio earns a Reliability Grade of F, placing it in the 0th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Mayagüez Municipio's outage profile
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Similar counties in Puerto Rico
Counties with the closest reliability grade and national percentile to Mayagüez Municipio.
| County | Grade | National percentile |
|---|---|---|
| Arecibo Municipio | F | 0th |
| Ponce Municipio | F | 0th |
| Caguas Municipio | F | 1st |
| Bayamón Municipio | F | 3rd |
| San Juan Municipio | F | 4th |
FAQ
How often does power go out in Mayagüez Municipio?
Between 2021 and 2025, Mayagüez Municipio recorded 3,308 outage events, averaging 7.0 hours each.
What is Mayagüez Municipio's reliability grade?
Mayagüez Municipio has a Reliability Grade of F, in the 0th national percentile.
What was the worst power outage in Mayagüez Municipio?
The worst outage on record started September 17, 2022, lasting 250 hours and affecting up to 219,197 customers.