Upper Sanjen Hydroelectric Projectमाथिल्लो सान्जेन
A 14.8 MW run-of-river plant at Simbu, Rasuwa (around 2,187 m elevation), the upper cascade stage above the 42.5 MW Sanjen plant. Built by Sanjen Jalavidhyut Company Ltd, part of the Chilime/NEA group, its output is evacuated through Chilime's transmission system.
Installed capacity
15 MW
Run-of-river
River / basin
Sanjen Khola
Koshi basin
Location
Rasuwa
Bagmati
Commissioned
2023
Operational
Milestones to commissioning
The route from construction to commercial operation.
- Aug 2023
Began generating electricity
- 2024
Counted among Chilime's three completed projects adding 168 MW
Alongside Sanjen (42.5 MW) and Rasuwagadhi (111 MW)
Location
Approximate dam-area location on OpenStreetMap — precise to the district and river reach, not the exact structure.
Upper Sanjen 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 Upper Sanjen Hydroelectric Project?+
The Upper Sanjen Hydroelectric Project has an installed capacity of 15 MW. It is a run-of-river hydropower scheme.
Which river is the Upper Sanjen Hydroelectric Project on?+
The project is on the Sanjen Khola River, part of Nepal's Koshi basin, in Rasuwa district, Bagmati Province.
Who is developing the Upper Sanjen Hydroelectric Project?+
The Upper Sanjen Hydroelectric Project is developed by Sanjen Jalavidhyut Company Ltd (Chilime subsidiary) (nea subsidiary).
What is the status of the Upper Sanjen Hydroelectric Project?+
As of mid-2026 the project is operational.
When was the Upper Sanjen Hydroelectric Project commissioned?+
The Upper Sanjen Hydroelectric Project was commissioned in 2023.
Sources & data note
Figures for Upper Sanjen 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.