Excelsior Correspondent
JAMMU, Apr 1: The commercial operation of three units of 800 MW Parbati-II Project (Himachal Pradesh) was today commissioned by NHPC, here today.
Speaking on the occasion, R K Chaudhary, CMD, NHPC said, “It gives me immense pleasure to announce that 3 units of 200 MW each of NHPC’s ambitious 800 MW Parbati-II Hydroelectric Project, located in Himachal Pradesh, have been successfully commissioned during March 2025 and commercial operation has commenced today on 1st April, 2025.”
“The Parbati-II Project is one of our most ambitious projects which had overcome numerous challenges and obstacles during its construction and this achievement stands as a testament to the hard work, dedication and teamwork of our committed employees,” he added.
Parbati-II Hydroelectric Project with an installed capacity of 800MW (4 X 200 MW) is a run of the river scheme with small pondage constructed on river Parbati in Kullu district of Himachal Pradesh.
The river Parbati has been diverted by constructing a 83.7m high concrete gravity dam near Village Pulga in Manikaran valley and water is being carried through a 31.56 km long Head Race Tunnel to Sainj valley where the Power House has been constructed at village Siund.
A gross head of 862.50 m between Pulga and Siund is being utilized for generating 800 MW power. Discharge of five nallahs falling along the HRT alignment has further augmented the discharge of the river Parbati.
The Power House has four Pelton turbines of 200 MW each.
The 31.56 km long HRT of the Project is the longest hydropower tunnel in India.
Two inclined pressure shafts, each 1545.5m long, are the world’s longest inclined pressure shaft tunnels excavated with Tunnel Boring Machine (TBM).
The state of Himachal Pradesh will be getting 12% free power from the project and 1% additional free power shall be utilized for local area development fund.
Foundation stone of the Project was laid by the then Prime Minister Atal Bihari Vajpayee on 12.12.1999 and the construction was started in September 2002.
The commissioning of prestigious Parbati-II project is a feather in the cap for NHPC in its Golden Jubilee year.
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