Dibang Multipurpose Project

Dibang Multipurpose Project Latest News

The under-construction 2,880 MW Dibang multipurpose hydel project in Arunachal Pradesh recently achieved a significant milestone on Tuesday with the successful daylighting of Diversion Tunnel-3 (DT-3).

About Dibang Multipurpose Project

• It is a flood control cum hydroelectric power project to be developed on the Dibang River, a tributary of the Brahmaputra River, in Arunachal Pradesh.
• At 2,880 MW installed capacity, it will be the country’s biggest hydropower facility.
• It is being developed by India’s state-run National Hydroelectric Power Corporation (NHPC).
• The project is designed as an energy storage project, with flood moderation as one of the key objectives, besides power generation. 
• Project Features:
  • The project envisages the construction of a 278 m-high and 375 m-long concrete gravity dam, which will be the highest concrete gravity dam of India. 
  • The dam is planned to be constructed with the Roller Compacted Concrete (RCC) technique, and it will be the highest RCC dam in the World. 
  • The dam will create a 43 km-long reservoir with a gross storage capacity of 3.85 billion cubic metres.
  • It includes six horseshoe-shaped headrace tunnels of length varying from 300 m to 600 m with 9 m diameter, an underground powerhouse, and six horseshoe-shaped tailrace tunnels of length varying from 320 m to 470 m with 9 m diameter.

Source: NET

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