5 Indian Dams With Underground Power Station

India has few best design and structure of dams which are known for its kind in the world such as biggest Arch Dam, run of river Dam projects and highest dam in the world. The Alaknanda Dam with 140MW underground power station and Sillahalla Dam with 2000 MW underground power station at Nilgiris district are the proposed underground power station project in India.

Nathpa Jhakri Dam


The concrete gravity dam built across the Satluj River in Himachal Pradesh is the hydroelectric power production Dam with 1,500 MW underground power station and water flows through a 27.4 km long headrace tunnel. Nathpa Jhakri Dam underground power station is the largest underground power station in India.

Idukki Dam


The 168.91 m (554 ft) tall arch dam is Asia’s biggest Arch Dam stands between the two big mountains Kuravanmala and Kurathimala in Kerala. Idukki Dam built on the Periyar river and it is one of the highest arch dams in Asia and third tallest arch dam with 780MW underground power house situated in Muvattupuzha Valley. The Moolamattom Power Station is the biggest underground Hydro-electric Project in India.

Kolkewadi Dam


The Kolkewadi Dam is located in the Konkan region at Ratnagiri district of Maharashtra and part of the Koyna Hydroelectric Project, the largest completed hydroelectric power plant of India. Kolkewadi Dam generated 320 MW electricity from the underground power station located at the base of the dam. All the components of the Koyna Hydroelectric Project such as Powerhouses, Head race and tail race tunnels, Pressure shafts are constructed underground.

Ichari Dam

The concrete gravity dam build across the Tons River near Dakpathar in Uttarakhand was the first power plant built underground in Northern India. The run of the river type dam is 59 m (194 ft) tall and 155 m (509 ft) long concrete gravity type.

Kishanganga Dam

Kishanganga Hydroelectric Plant is the part of a run of the river hydroelectric scheme in the Jhelum River basin in Jammu and Kashmir. The concrete face rock fill dam generate 330 MW from its underground power house and discharged into Wular Lake.

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