He said that electricity supply was restored fully or partially in many cities like Islamabad, Rawalpindi, Lahore, Multan, Karachi and Faisalabad but it would take some time before the restoration of normal supply.
Khan, along with Information Minister Shibli Faraz, told reporters that the power supply snapped at 11:41 pm on Saturday after a technical fault at Guddu power plant in Sindh province.
It had what we call a cascading effect' and shut down the power system, choking about 10,320 megawatt of electricity, he said, adding that it was the precise amount of energy needed for the entire country during the winter nights.
He said it was still unknown what exactly triggered the shutdown that caused the drop in the system frequency from about 50 to zero.
Our teams are working to pinpoint the cause of sudden drop in frequency, he said, adding that three major supply lines originated from Guddu power plant and it was not known which was the first to experience the drop in frequency.
Information Minister Shibli Faraz said that the transmission system was old and blamed the previous governments for neglecting it.
(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)
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