Over 600 million people were affected as almost half of India went without power for more than six hours on Tuesday.
Three electricity grids — Northern, Eastern and North-Eastern that transmit 57,297 MW during peak hours — collapsed to cause a blackout in 20 States and two Union Territories. Restoration of power started after three-four hours.
The Eastern grid supplies West Bengal, Bihar, Jharkhand, Orissa and Sikkim, while the North-Eastern grid serves Assam, Manipur, Meghalaya, Tripura, Arunachal Pradesh, Nagaland and Mizoram. The northern grid powers Chandigarh, Delhi, Haryana, Himachal Pradesh, J&K, Punjab, Rajasthan, Uttar Pradesh, and Uttarakhand. Those connected to the Northern Grid suffered the second day of outage.
No one knows what led to the ‘world’s biggest blackout’. Or, if they know, prefer to remain non-committal. “Some sectors are overdrawing, we don’t want to name them,” said Mr R. N. Nayak, Chairman and Managing Director, Power Grid Corporation. PowerGrid maintains and operates five national grids.
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