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Subansiri Hydroelectric Project (LSHP)

Subansiri Hydroelectric Project (LSHP):

Subansiri Lower Hydroelectric Project (SLHEP), is an under-construction gravity dam on the Subansiri river along the border of Assam and Arunachal Pradesh.

  • Subansiri River (gold river), originates in the Tibet Plateau and enters India through Miri hills in Arunachal Pradesh.
  • It is the largest tributary of Brahmaputra River.
  • The project is being developed by the state-run National Hydro Power Corporation (NHPC).
  • It will be the single largest hydroelectric plant in India when completed. The project is expected to be completed in 2023.

Controversy :

  • Resistance to the ongoing hydroelectric project was shown in the form of a far-reaching anti-dam movement.
  • It is alleged that the dam is located in a seismic zone and it is significantly under-designed to resist earthquakes.
  • The fluctuation of water level in the river is also feared to affect the ecology in the lower Subansiri region in future.