This website uses cookies to improve your browsing experience and the continued use of the webpage indicates your consent to ÅF’s use of these cookies. Find out more about how ÅF uses cookies and how you can manage them here: Read more


Lethang Hydro Power Project

Preparation of a bankable detailed project report for a run-of-river HPP in India

Description of project:

Lethang Hydro Power Project (96 MW) is located in West District of Sikkim. The project comprises a run-of-river plant utilizing the flow of the Rathang Chu River.

The project comprises a dam, single opening intake structure, concrete lined headrace tunnel, vertical underground surge shaft, an underground pressure shaft, an underground powerhouse to accommodate three 32 MW Francis units and three tailrace tunnels.

ÅF's services:

Project services consisted of preparing a bankable detailed project report including: Assessment of hydrological basis & risks; assessment of geological basis & risks; project optimization; preliminary design of HM & EM equipment; construction cost estimates; economic and financial modelling; advisory services for topographical survey, hydrology and geological studies.

More on the same topic

Show more