Arun-4 Hydroelectric Projectअरुण-४ जलविद्युत आयोजना
A 490 MW project on the Arun River in Sankhuwasabha to be developed as a JV between India's SJVN (majority) and NEA, expected to generate ~2,100 GWh annually. An MoU was signed in 2022 during PM Modi's Lumbini visit; the project is in early development with construction not yet started.
Installed capacity
490 MW
Peaking run-of-river
River / basin
Arun
Koshi basin
Location
Sankhuwasabha
Koshi
Expected online
2032
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.
- 2022
MoU signed between SJVN and NEA for JV development
- 2032Planned
Possible commissioning if developed
Location
Approximate dam-area location on OpenStreetMap — precise to the district and river reach, not the exact structure.
Sources & data note
Figures for Arun-4 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.