About Dibang Multi-Purpose Hydro Power Project:
- It is a flood control cum hydroelectric power project planned to be developed on the Dibang River, a tributary of the Brahmaputra River, in Arunachal Pradesh.
- At 2,880MW 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 278m-high and 375m-long concrete gravity dam, which will be the highest Concrete-Gravity Dam of India.
- The Dam is planned to be constructed with Roller Compacted Concrete (RCC) technique and it will be the highest RCC Dam of 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 head race tunnels of length varying from 300 m to 600 m with 9 m diameter, an underground Power House, and six horseshoe-shaped tailrace tunnels of length varying from 320m to 470 m with 9 m diameter.
