Shongtong Karcham - Electro-mechanical works in one of India’s main hydropower regions

In March 2015, ANDRITZ HYDRO received an order from Himachal Pradesh Power Corporation Ltd. (HPPCL) to supply the complete electro-mechanical equipment for the new 450 MW Shongtong Karcham hydropower plant in Himachal Pradesh, India.

Located in the northern part of the country, Himachal Pradesh is one of the most important hydropower regions in India representing about 21 GW or roughly one quarter of India’s total hydropower potential. The Shongtong Karcham run-of-river power plant with an underground power house will be located on the river Satluj, upstream of HPP Karcham Wangtoo.

This order is the third large project from HPPCL for ANDRITZ HYDRO. It follows the projects HPP Sawra Kuddu and HPP Kashang, which are currently under execution by ANDRITZ HYDRO India.

Representatives of HPPCL and ANDRITZ HYDRO during contract signing ceremony

For HPP Shongtong Karcham, ANDRITZ HYDRO’s scope of supply is design, manufacturing, supply, erection, testing as well as commissioning of three vertical 150 MW Francis turbines and generators including the complete electrical and mechanical balance of plant, generator transformers, 400 kV GIS, XLPE cables, shunt reactors, control, protection and excitation systems as well as coating of underwater parts.

The plant will have a total output of 450 MW and will provide clean and renewable energy for approximately 800,000 Indian households.

Technical data

Output:3 x 150 MW
Voltage:13.8 kV
Head:126.58 m
Speed:166.67 rpm
Runner diameter3,950 mm

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