Tanahu Hydropower Project (Upper Seti Hydropower Project) – 140 MW

Nepal
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Water

Tanahu Hydropower Project is located on the right bank of Seti River, about 150 km west of Kathmandu near Damauli, the district headquarters of Tanahu District. 

Client Tanahu Hydropower Limited
Location Seti River, Tanahun, Mid-Western Development Region, Nepal
Period 2015-ongoing
Capacity 140 MW

Tanahu Hydropower Project is located on the right bank of Seti River, about 150 km west of Kathmandu near Damauli, the district headquarters of Tanahu District. This is a storage type project, which is planned to have an installed capacity of 140 MW with an estimated annual energy generation of 585.7 GWh. The project consists of a concrete gravity dam with a maximum height above foundation level of 140m, a storage reservoir with a total volume of some 295 million m³, an underground tunnel of 7.4 m diameter and 1,388.75 m length, and an underground powerhouse with two Francis Turbines. The Project is designed for at least six hours of peak operation during the driest months of the year. This will play a vital role in Nepal’s seasonal energy security and reduction of energy import.

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