Upper Tamor Hydroelectric Projectमाथिल्लो तमोर जलविद्युत आयोजना
A ~285 MW peaking run-of-river project on the Tamor River in Taplejung, developed by Tamor Energy Pvt. Ltd. and approved by the Investment Board Nepal. It is set to become Nepal's first project to use a Tunnel Boring Machine for its ~8.7 km headrace tunnel, under an April 2025 agreement with China Railway, and is in early construction.
Installed capacity
285 MW
Peaking run-of-river
River / basin
Tamor
Koshi basin
Location
Taplejung
Koshi
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.
- Apr 2025
TBM agreement signed with China Railway
- 2027Planned
Expected commissioning
Location
Approximate dam-area location on OpenStreetMap — precise to the district and river reach, not the exact structure.
Sources & data note
Figures for Upper Tamor 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.