 kashang hep stagei kashang hep stagei gayathri mon 6122023 1331 integrated kashang hep ikhep envisages development of kashang and kerang streams tributaries of the river sutlej comprising four distinct stages as under  stagei 65 mw  comprising diversion of the kashang stream at el2829 m to an underground powerhouse located on the right bank of satluj near powari village developing a head of approximately 830 m on 1092016 ikhep s one unit of 65 mw has been successfully commissioned stageii iii 130 mw  comprising diversion of the kerang stream at el 2872 m into an underground water conductor system leading to upstream end of stagei water conductor system augmenting the generating capacity of stagei powerhouse using kerang waters over the 820 m head available in kashang stagei powerhouse stageiv 48 mw  this stage is more or less independent scheme harnessing the power potential of kerang stream upstream of the diversion site of stageii in this scheme a head of approximately 300 m could be utilized to develop power in an underground powerhouse located on the right bank of kerang stream capacity 111 mw design energy in 90 dependable year 386 mu design head 18248 m diversion structure p k wier type with 5 nos gate 820m x 630m each head race tunnel 11232 m long 5 m dia d shaped penstock pressure shaft steel lined underground circular shape 1 no main ps 40m dia 3 nosbranch ps 230m dia power house underground 3 nos vertical axis francis turbine with generating units of 37 mw each village sawra tehsil rohru district shimla state himachal pradesh layout model file commissioned projects 276 mw  satluj kashang khad kinnaur hp 65 mw 1x65 mw unit1 1092016  