The electricity sector in Brunei ranges from generation, transmission, distribution and sales of electricity in Brunei.
Electricity sector in Brunei is regulated by the Department of Electrical Services (DES; ) under the Ministry of Energy.
In 2010, electricity generation in Brunei reached 3,862,000,000 kWh, in which 99% of it was generated from natural gas sources and the remaining 1% was from oil sources.