Why is it in the news?
→ The project achieved a milestone with successful daylighting of Diversion Tunnel-3.
→ Highlights progress in India’s largest hydropower infrastructure development.
Category: Geography
Important Points
- Flood control cum hydroelectric project on Dibang River in Arunachal Pradesh.
- Tributary of Brahmaputra River.
- Installed capacity of 2,880 MW.
- Developed by National Hydroelectric Power Corporation (NHPC).
- Designed as an energy storage and flood moderation project.
- Envisages 278 m-high and 375 m-long concrete gravity dam.
- Planned as the highest concrete gravity dam in India.
- Built using Roller Compacted Concrete (RCC) technique.
- Will create a 43 km-long reservoir.
- Gross storage capacity of 3.85 billion cubic metres.
- Includes six headrace tunnels and underground powerhouse.