Raw site for the project has been identified and proposed by M/S Associated Technologies (Pvt.) Ltd. The proposed Karrang Hydropower Project may have a power potential of 260 MW.
The project site is located near Sumi Village on the Sumi River which is formed by the confluence of two Nallahs (Maidan Gah and Belai Gah). Sumi River has its confluence with the Kandiah River near the Karrang village at about 28 km from the confluence of Kandiah and Indus River, whereas Kandiah River has its confluence with the Indus River near Kandiah Bridge, about 24 kilometers upstream of Dasu town.