Upper Trishuli 3B Hydropower Project, 37 MW – Nepal

The Upper Trishuli 3B Hydroelectric Project is a run-of-the-river type hydropower plant with installed capacity 37 MW. It is a cascade development project which utilizes the tailrace water of an existing upstream plant (Upper Trishuli 3A HEP).
The Project works comprise a headpond, a 3.66 km long headrace tunnel, a semi-underground surge tank, an underground vertical penstock and a surface powerhouse equipped with no. 2 Francis turbines of 18.5 MW each. The gross head of the project is 89.3 m and the design discharge 51 m³/s.
Financed with Government of Nepal funds.