Upon completion , the total power generating capacity of Tarbela Dam will be increased to 6,298 MW .
The project will require installation of three turbines with a capacity of 470 MW each in Tarbela 's fifth tunnel which was previously dedicated to agricultural use .
Upon completion , the total power generating capacity of Tarbela   will be increased to 6,298 MW .
The project will require installation of three turbines with a capacity of 470 MW each in Tarbela 's fifth tunnel which was previously dedicated to agricultural use .