Tamakoshi V Hydroelectric Projectतामाकोशी-५
A 99.8 MW cascade plant in Dolakha that reuses the tailrace water of the 456 MW Upper Tamakoshi project. It is being built by Tamakoshi Jalvidhyut Company Ltd, an NEA subsidiary formed in 2017, with Upper Tamakoshi Hydropower taking a 10% equity stake and Sinohydro as EPC contractor.
Installed capacity
100 MW
Run-of-river
River / basin
Tamakoshi
Koshi basin
Location
Dolakha
Bagmati
Expected online
2027
Under construction
Milestones & projected timeline
Key dates so far, with planned milestones marked. Future dates are targets from the developer or government and frequently shift.
- 3 Mar 2017
Tamakoshi Jalvidhyut Company incorporated (NEA subsidiary)
- 2018
Preliminary works began on the cascade project
- 2023
Sinohydro selected as EPC contractor (~US$165 million)
Location
Approximate dam-area location on OpenStreetMap — precise to the district and river reach, not the exact structure.
Sources & data note
Figures for Tamakoshi V Hydroelectric Project are compiled from the sources below and cross-checked where possible. Status and projected dates reflect research as of mid-2026 and may change as the project progresses. The map location is an approximate dam-area estimate. Commentary is Amarnepal's own.