Salient Features

Demwe Lower

  • Run-of-River scheme with Installed capacity of 1750 MW (5 x 342 MW + 1 x 40 MW, as finalized by Central Electricity Authority) with diurnal storage.
  • Catchment Area of 20,174 sq km and Full Reservoir Level - EL 424.80m.
  • Diversion arrangement on right bank and left bank by way of underground tunnels.
  • Concrete Gravity Dam of maximum height of about 124.80m above river bed level and length of about 474.35m.
  • 5 no. underground Pressure Shafts leading to Power House.
  • Surface Power House on right bank of Lohit river about 650m downstream of dam axis.