Sunkoshi-3 Storage / Multipurpose Projectसुनकोशी-३ जलाशय आयोजना
A 683 MW storage/multipurpose project on the Sun Koshi River bordering Kavrepalanchok and Ramechhap, planned for joint development by NEA and Bangladesh's BPDB to export power to Bangladesh under a tripartite arrangement with India. Detailed engineering design and tender documents are being procured; the project is at the announced/design stage with construction not yet begun.
Installed capacity
683 MW
Storage
River / basin
Sun Koshi
Koshi basin
Location
Kavrepalanchok / Ramechhap
Bagmati
Expected online
2034
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.
- 2024
Nepal–Bangladesh agree to jointly develop
- 2025
Detailed design / tender-document procurement begins
- 2030Planned
Construction tentatively to begin
- 2034Planned
Targeted commercial operation
Location
Approximate dam-area location on OpenStreetMap — precise to the district and river reach, not the exact structure.
Sunkoshi-3 Storage / Multipurpose Project: key facts
Quick answers on capacity, river, developer, status and commissioning, drawn from the sourced data above.
What is the capacity of the Sunkoshi-3 Storage / Multipurpose Project?+
The Sunkoshi-3 Storage / Multipurpose Project has an installed capacity of 683 MW. It is a storage hydropower scheme.
Which river is the Sunkoshi-3 Storage / Multipurpose Project on?+
The project is on the Sun Koshi River, part of Nepal's Koshi basin, in Kavrepalanchok / Ramechhap district, Bagmati Province.
Who is developing the Sunkoshi-3 Storage / Multipurpose Project?+
The Sunkoshi-3 Storage / Multipurpose Project is developed by NEA; planned JV with Bangladesh Power Development Board (joint venture), with Bangladesh Power Development Board (BPDB); India (tripartite transmission).
What is the status of the Sunkoshi-3 Storage / Multipurpose Project?+
As of mid-2026 the project is proposed / under development. MoU/JVA with Bangladesh agreed; detailed engineering design procurement; construction not started
When is the Sunkoshi-3 Storage / Multipurpose Project expected to be commissioned?+
The Sunkoshi-3 Storage / Multipurpose Project is expected to be commissioned around 2034, though dates for projects under development frequently shift.
Sources & data note
Figures for Sunkoshi-3 Storage / Multipurpose 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.