Tanahu Hydropower Limited (THL) is a subsidiary company of Nepal Electricity Authority (NEA) established in 2012 to develop 140 MW Tanahu Hydropower Project ("the Project") (formerly, Upper Seti (Damauli) Storage Hydroelectric Project). The Project site is situated 150 km west of Kathmandu on Seti River near Damauli of Tanahu District in Gandaki Zone. The project is a storage type plant capable of supplying peak power for minimum of 6 hours daily. The power will be evacuated through a 40 km long 220 kV double circuit transmission line to New Bharatpur sub-station.