What is the domestic electrical voltage on Koh Samui?

What is the domestic electrical voltage on Koh Samui?

The domestic electrical voltage on Koh Samui is power is 220 volts.

The plug sockets are 2-pin shaver-type sockets so you may need to bring an adaptor with you in order to plug in your electrical devices. You can buy these at the airport and at some shops and supermarkets in Koh Samui.