Dudhkoshi Storage Hydroelectric Projectदूधकोशी जलाशय आयोजना
A 635 MW storage project on the Dudh Koshi River spanning Khotang, Okhaldhunga and Solukhumbu, developed by NEA. ADB is poised to lead financing (~USD 580 million) alongside the World Bank, EIB, OFID and others. Despite repeated budget promises and an assembled donor package, the project has struggled to break ground and remains at the permitting/financing stage.
Installed capacity
635 MW
Storage
River / basin
Dudh Koshi
Koshi basin
Location
Khotang / Okhaldhunga / Solukhumbu
Koshi
Expected online
2031
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.
- 2023–24
Donor financing package assembled (ADB-led)
- 2024
ADB poised to provide ~USD 580 million
- 2027Planned
Construction targeted to begin
- 2031Planned
Targeted commercial operation
Location
Approximate dam-area location on OpenStreetMap — precise to the district and river reach, not the exact structure.
Dudhkoshi Storage Hydroelectric Project: key facts
Quick answers on capacity, river, developer, status and commissioning, drawn from the sourced data above.
What is the capacity of the Dudhkoshi Storage Hydroelectric Project?+
The Dudhkoshi Storage Hydroelectric Project has an installed capacity of 635 MW. It is a storage hydropower scheme.
Which river is the Dudhkoshi Storage Hydroelectric Project on?+
The project is on the Dudh Koshi River, part of Nepal's Koshi basin, in Khotang / Okhaldhunga / Solukhumbu district, Koshi Province.
Who is developing the Dudhkoshi Storage Hydroelectric Project?+
The Dudhkoshi Storage Hydroelectric Project is developed by Nepal Electricity Authority (NEA) (government (nea)), with ADB, World Bank, EIB, OFID, Saudi Fund (co-financing).
What is the status of the Dudhkoshi Storage Hydroelectric Project?+
As of mid-2026 the project is proposed / under development. Permitting / financing-arrangement stage; ADB ~USD 580 million loan poised; not yet broken ground
When is the Dudhkoshi Storage Hydroelectric Project expected to be commissioned?+
The Dudhkoshi Storage Hydroelectric Project is expected to be commissioned around 2031, though dates for projects under development frequently shift.
Sources & data note
Figures for Dudhkoshi Storage 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.