• Tamakoshi 3 HEP



Tamakoshi -3 Hydroelectric project is located in Dolakha and Ramechhap districts of Janakpur Zone. With a gross head of 333 m and a design discharge of 222 m3/s, the proposed project will have an installed capacity of 650 MW. The headrace and tailrace tunnel including the pressure shaft will have a total length of 17.3 km. It will produce 2340 GWh at transformed bus.

The project was awarded to Statcraft (previously SN Power), Norway's largest and the Nordic region's third largest power producer on 2007 by GoN.

Salient Features

Investment Size (Approx.)  n/a
Developer Statkraft Previously SN Power) 
PPP Model  Build, Operate, Own and Transfer ; 25 Years
GoN Partner Ministry of Energy (MOE)
Nepal Electricity Authority (NEA)
Location Dam Site: Dolkaha district
Power House: n/a
Design Energy/Year Wet: 1867 Gwh
Dry: 477 Gwh
Gross Head 333 m
Live Storage 137 MCM
Hydrology (Catchment Area) 2276 Sq. Km
Dam Height (Max) 96 m (from river bed)
Dam Type n/a
Turbine n/a
Design Discharge 222 m3/s
Tunnel length 17,306 m; fully concrete lined 

Expected Benefits

Financial Benefits: 

Lifetime Royalties to GoN n/a
Lifetime Energy to GoN (Approx Value) n/a
Lifetime Income taxes to GoN n/a
Total lifetime financial benefits to GoN n/a

Local Benefits:

To be negotiated in the Project Development Agreement (PDA)


IBN Project Cycle

Phases of Project


  • Negotiation and signing of the Project Development Agreement (PDA)

Way Forward

  • Negotiation and signing of the Project Development Agreement (PDA)



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