Lower Seti (Tanahu) Hydroelectric Projectतल्लो सेती (तनहुँ)
A proposed 126 MW project on the Seti in Tanahun, downstream of the under-construction 140 MW Tanahu reservoir scheme, developed by Tanahu Hydropower Ltd with Asian Development Bank support. Construction is expected around 2029 with operation targeted for the early 2030s.
Installed capacity
126 MW
Run-of-river
River / basin
Seti
Gandaki basin
Location
Tanahun
Gandaki
Expected online
TBD
Proposed / under development
Milestones & projected timeline
Key dates so far, with planned milestones marked. Future dates are targets from the developer or government and frequently shift.
- ~2029
Construction expected to begin
- ~2032
Targeted commercial operation
Location
Approximate dam-area location on OpenStreetMap — precise to the district and river reach, not the exact structure.
Sources & data note
Figures for Lower Seti (Tanahu) 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.