From Mexico to Puerto Rico
When travelling from Mexico to Puerto Rico: Good news: all your Mexico plug types fit in Puerto Rico. Voltage is different (127V → 120V). Check your charger label; if it doesn’t list 120V you’ll also need a voltage converter. Frequency is the same at 60Hz.
Mexico
Puerto RicoYour plugs
Type A
Fits
Type B
Fits
Accepted in Puerto Rico
Type A
Type B
2 of 2 plug type(s) match
You: A, B • Puerto Rico: A, B
Voltage: 127V → 120V
Different voltage
You may need a voltage converter.
Frequency: 60Hz → 60Hz
Same frequency
Plugs fit, but voltage differsAdapters you may need
Voltage differs; check for 100–240V support.
About electricity in Puerto Rico
Puerto Rico is 120V/60Hz with Type A and B sockets, same standard as the US mainland.
Grid & history
PREPA operates the island’s grid, which has struggled with reliability and was severely damaged by Hurricane Maria in 2017. Reconstruction and solar build-out have been slow.
Availability
Improving but still unreliable in some areas. Most homes and businesses have generator backup.
Sockets & hotels
Standard North American sockets.
Energy mix
Practical tips
- US plugs fit local sockets directly, so US travellers do not need an adapter.
- The supply matches the US 120V, so US chargers work directly.
- A power bank is useful, outages still happen.