No power generation at Nathpa-Jhakri for 4th day



Shimla: Nathpa Jhakri hydel power project in Himachal Pradesh remained shut for the fourth day today with silt level in its reservoir still high, official sources said. The silt level in the reservoir was 9,000 parts per million (ppm) as against 16,000 to 17,000 ppm recorded yesterday and a high water discharge of 1,500 cumecs as against a normal discharge of 500 to 600 cumecs, sources said.

The plant was closed on Monday morning after the silt level rose up to 13,000 ppm as against a permissible limit of 4,000 ppm, hours after it restarted power generation on Sunday night following it closure for flushing out silt in the reservoir on Saturday.

Project in-charge at Jakhri, NC Bansaltold HimVani that increase of silt level forced the management to stop power generation at 0900 hrs from Monday and entire six units remained suspended its operation after passing 4 days. The increase in the silt level in the river was either because of increased construction activity upstream or heavy rains in the catchment areas, sources said.

The official said that due to washing away of a temporary retaining wall of damping sites built up by Jay Prakesh Company constructing Karchham Wangtu Project silt, level further went up in the Satluj River. The sources said power generation in the plant would resume as soon as the silt level falls below 4,000 ppm in the reservoir.

The shutdown has led to load shedding in several beneficiary states including Himachal. The project generates over 36 million units of power per day and meets the peak requirements of northern States of Punjab, Haryana, Chandigarh, Himachal Pradesh, Delhi, J&K, Rajasthan, UP and Uttarakhand.

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