Jorethang Loop HEP

Jorethang Loop HEP

Project Brief

Dans Energy pvt ltd (DEPL) , an independent power producer signed an MOU with the Sikkim Government on 5th Dec 05 for the implementation of the 96 MW Jorethang Loop Hydro-Electric Project (JLHEP) on a  Build, Own, Operate and Transfer (BOOT) basis. The operational period extends for 35 years from commercial operation date of the project. Dans Energy Pvt. Ltd is promoted by the DANS Group and is a special purpose vehicle for the implementation of JLHEP.

The Jorethang Loop Hydroelectric Power Project, a Run-of-River hydro-electric project is the terminal project in the cascade development of five projects (the upstream four projects conceived by CWC are the Rangit Stages I to IV) planned on the Rangit River in Sikkim, which is a tributary of the Teesta River (the main river of the State of Sikkim). It is located in South / West District of Sikkim about 5 km upstream of Jorethang town. 

The Project envisages a Barrage with Silt Excluder arrangement on the main Rangit river near the village Pipley, a Power Intake on the left bank to divert the flows into a 6.8 km long Head Race Tunnel along the chord of the Jorethang Loop, a Surge Shaft of 25 m diameter, Pressure Shaft, a surface Powerhouse at the confluence of the Rangit river with Bhari Khola with installation of 96 MW (two units of 48 MW capacity each), a Tailrace pool, an outdoor 220 KV Switchyard just above the Powerhouse, and 220 KV Double Circuit Transmission line of 13 km length to evacuate the power to the grid station at Melli. The plant will have an installed capacity of 96 MW and a total average annual energy generation (50 % dependable Year) of around 535 GWh (Million Units).