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Nepal’s NEA commissions 220 kV Trishuli–Kathmandu line [free access]

May 10, 2019

State-owned electricity utility Nepal Electricity Authority (NEA) has brought the 45-km-long, 220 kV Trishuli–Kathmandu transmission line online. Out of the total length, 1.3 km have been constructed underground.


The transmission line will start evacuating 30 MW from the Upper Trishuli-3A hydroelectric project by mid-May 2019 and another 30 MW from June 2019. Power will be evacuated from the powerhouse switchyard to the Trishuli 3B hub via a 132 kV line, which will then be transmitted to the Matatirtha substation in Kathmandu via a 220 kV line. It will also connect the electricity generated in Nuwakot and Rasuwa districts to the national grid.


As reported, connection of the under-construction Rasuwagadhi, Sanjen, Trishuli 3B and other small and medium-scale hydropower projects to the national grid via the Trishuli–Kathmandu transmission line, is under consideration.


The construction work on the line began in 2012, but was halted multiple times due to natural disasters and forest clearance issues.


NEA has constructed both the transmission line and Trishuli 3A hydroelectric plant with a concessional loan of USD114.7 million from the Export-Import Bank of China (Exim-Bank).


China International Water and Electric Group (CWE) has executed the engineering, procurement and construction (EPC) contract for the line work.