 shongtong karcham hep shongtong karcham hep gayathri mon 6122023 1418 shongtong karchham hydro electric project a runofriver scheme on the river satluj in distt kinnaur of hp envisages construction of 10250 m long diversion barrage near village powari to divert 406 cumecs discharge to four sedimentation chambers each 300 m long water from sedimentation chambers is further carried through water conductor system comprising 8020 m long 1000 m diameter circular hrt terminating in 3950 m diameter surge shaft and three 510 m diameter steel lined each 21100 m long pressure shafts to feed three vertical axis francis turbines housed in an underground powerhouse located on the left bank of the river satluj near village ralli to generate 450 mw of power the project is expected to generate 159393 mu in a 90 dependable year layout model file under construction 628mw  satluj satluj kinnaur hp 450 mw 3x150 mw  