Major cities in Sylhet Division are out of electricity since 11am on Tuesday due to a fire that broke out at a 132 Kilovolt (KV) substation at Kumargaon.
A major portion of the substation and at least two transformers were burnt, said a senior official of state-run Bangladesh Power Development Board (BPDB).
Two major power plants near Kumargaon were shut due to the fire which resulted in power cut at many cities of the division.
Several firefighting units rushed the spot and brought the fire under control in the afternoon.
Electricity supply in some cities of the division, however, resumed as power was supplied there from alternative sources.
Resumption of electricity in entire Sylhet city may take several more hours, said the BPDB official on Tuesday evening.
The fire cause of the fire is still unknown, however, Director of Public Relations of BPDB Saiful Hasan Chowdhury said it could have been caused bydue to a technical glitch.
A committee will investigate the fire incident, said a senior official of Power Division under the Ministry of Power, Energy and Mineral Resources.
