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Tinau Hydropower Project (1 MW), Butwal

This is the first hydropower project in Nepal with underground powerhouse, which has been constructed along the Tinau River in Butwal. With primitive solutions at that time, this project is a story of success in underground tunnelling. The construction team that built this project formulated a company as Himal Hydro.

Project Tinau Hydropower Project (1 MW), Butwal
Client Butwal Power Company, Butwal
Works First underground hydropower plant in Nepal.
Headrace Tunnel 2400 m x 4m2 underground desilting chamber and powerhouse.
Rock Condition Poor, heavily stratified mudstone supported by stone masonry and concrete lining.
Period of Construction In Stages 1968 - 1978

Tinau Hydropower Project (1 MW), Butwal - Repair

Project Tinau Hydropower Project (1 MW), Butwal - Repair
Client Nepal Electricity Authority
Works A huge flood in Tinau river (1981) destroyed parts of the intake, 2 suspension bridges & powerhouse shaft. HH repaired the plant, include some redesign of damaged parts.
Period of Construction April 1982 - May 1983