Why was Mumbai powerless? Tata Power says transmission key

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26 Aug, 2025 12:21

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Moneycontrol Bureau

Tata Power has said that the power crisis that darkened some parts of Mumbai on Tuesday was due to technical snag in one of its unit in Trombay Power Station.

Addressing a press conference, MD of the company Anil Sardana said that more transmission lines need to be created to absorb increasing power requirements by Mumbai.

The island city has power requirement of 3350 MW at peak but on Tuesday morning it was operating at 2950 MW due to rainy season and pleasant weather. On a given basis, Tata and Reliance Infra contribute around 2500 MW to Mumbai.

“However, at that time, Unit 5 of 500 MW capacity at Trombay Power Station tripped due to technical fault. Meanwhile, Unit 6 with a capacity of 500 MW which runs on oil was kept on cold standby as per directive of the procurers as power cost in that unit with coal cost an upwards of Rs 12-13 per unit depending on oil cost,” he said.

Partial load was restored through the company’s hydro stations and the initialisation activities of Unit 6.

However, there was an impending shortage of about 300 MW which could have been easily imported from neighbouring parts of Maharashtra but the transmission supply denied to carry any extra load, he added. He informed that restoration of Unit 5 will take 12-16 hours.

Sardana also dismissed media stories about penalty charge by BEST as ‘not true’.

Meanwhile, the country is staring at a power crisis as thermal power plants see an acute shortage of coal.  With less than three days coal stocks is seen as super critical. speaking to the media today, Power and Coal Minister Piyush Goyal assured that thermal plants will get ample coal supply.

At 17:30, the stock closed at Rs 90.05, up Rs 0.95, or 1.07 percent on the BSE.