Subansiri Lower Hydro Electric Project (SLHEP)

About Subansiri Lower Hydro Electric Project (SLHEP):

• It is an under-construction gravity dam on the Subansiri River in North Eastern India on the borders of Arunachal Pradesh and Assam.
• It is a run-of-river project. 
• It will be the single largest hydroelectric plant in India when completed.
• The project is being developed by the state-run National Hydro Power Corporation (NHPC).
• It is expected to supply 2,000 MW of power (eight 250 MW units) when completed.

Key Facts about Subansiri River:

• It is a trans-Himalayan River and a right-bank tributary of the Brahmaputra River.
• Also called the Gold River, the Subansiri River is famous for its gold dust.
• Course:
  • It originates from the Himalayas in China and flows towards the east and southeast into India.
  • It flows through Assam, Arunachal Pradesh,and the Tibet Autonomous Region of China.
  • It joins the Brahmaputra River in the Lakhimpur district of Assam.
• It is approx. 518 km long, with a drainage basin of 32,640 s km.
• It is the largest tributary of the Brahmaputra, contributing 7.92% of the Brahmaputra's total flow.