Chittagong city and Chittagong Hill Tracts on Wednesday experienced electricity disruption for almost four hours in two major power cuts due to glitch at Hathazari substation.
The first two-hour power cut occurred at about 12:45pm when the 132kV substation was disconnected from the national grid.
Chittagong metropolitan and its adjoining areas, including three hill districts of Rangamati, Khagrachari and Bandarban, faced another power cut from about 5:00pm when the 230kV substation was tripped.
The power cuts hampered normal activities at educational institutions, offices business establishments and hospitals in the port city.
Power Development Board’s Chittagong south divisional chief engineer Prabir Sen said that major areas of Chittagong remained out of the national grid because of glitch at the substation.
He said that power supply was finally restored fully at 7:00pm.
None of the state-run Power Grid Company that looks after the substation was available for comments.
Power Division spokesperson Mohammad Aslam Uddin said that the second power cut occurred after a transformer at the substation blew up.
He said that the reason of the first power cut was still unknown.
A probe committee is likely to be formed Thursday to ascertain reasons for the power cuts, he added.
Last time, Chittagong faced major power cut in November 2014 because of nationwide grid failure.
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