Sabah Electricity Sdn. Bhd. is an 80% owned subsidiary of Tenaga Nasional Berhad (TNB) and 20% by the State Government of Sabah. It is a vertically integrated utility providing reliable generation, transmission and distribution services in the state of Sabah and the Federal Territory Labuan.

SESB is committed to developing the electricity infrastructure in the state of Sabah and the Federal Territory Labuan including the implementation of the Rural Electrification Program.