Penstock -275 meters in length- supported by saddle block and anchors located between the Forebay and Turbine power house defines the head, one of the two key parameters influencing the capacity of the power plant other being the volume flow of water.
Water flowing out of the tail race and bypass stretch, which would stop flowing once the Kaliganga-II power plants is completed, as the exit of Kaliganga-I will lead directly to the tunnel of Kaliganga-II. Approximate river length affected will be around