KATHMANDU, Dec 15: The construction of the New Butwal-Bardaghat 220 kV double-circuit transmission has been successfully completed. This project aims to strengthen and enhance the reliability of the country's electricity transmission system, supply power to upcoming hydropower projects in the western region, and facilitate the expansion of bilateral and regional electricity trade between Nepal and India.
The construction of the 21 and a half km transmission line from New Butwal substation located at Suryabasti in Sunwal Municipality-13 of Nawalparasi (Bardaghat Susta Paschim) to Bardaghat Municipality-5 of the district has been completed and put into operation from Thursday.
The 220 kV transmission line from New Bharatpur Substation to New Butwal at Amptari, BharatpurMetropolitan City-11, in Chitwan has been charged.
With the commissioning of the new Butwal-Bardghat transmission line, a 220 kV transmission line infrastructure has been prepared from New Butwal to Hetauda. The transmission line can carry about 1,200 megawatts of electricity.
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The Kaligandaki Corridor, which starts from Dana in Myagdi to the New Butwal substation, and the 220 kV transmission line from New Butwal-New Bharatpur-Hetauda have been constructed to integrate the electricity power of the hydropower projects built in Kaligandaki and its tributaries into the national system.
Kulman Ghising, managing director of Nepal Electricity Authority (NEA), said that the backbone of 220 kV has been prepared to transmit electricity from Bharatpur to East-West and this will improve the voltage and increase the reliability of the overall system.
MD Ghising stated, “It will be easier to export excess monsoon electricity, which is domestically consumed, to India through the Dhalkebar station. Additionally, we will be able to import electricity during the winter months when supply is insufficient and send it to the western regions. Once the new Butwal-Gorakhpur second cross-border transmission line is completed, more opportunities for electricity import and export will open up.”
MD Ghising further said, “Mainly, it will be easy for the electricity generated from Kali Gandaki and Marsyangdi and the tributaries of these rivers.”
The electricity generated from the hydropower projects to be constructed in the Marsyangdi River catchment area will be absorbed into the new Bharatpur substation through the Marsyangdi Corridor 220 kV transmission line. Electricity can be transmitted from New Bharatpur to Hedauda and New Butwal. A new Butwal-Gorakhpur 400 kV second international transmission line with India is under construction.
The estimated cost of the new Butwal-Bardghat transmission line, which was constructed with the investment of the Nepal government and the NEA, along with a concessional loan from the Asian Development Bank, is approximately Rs 1 billion.
A four-and-a-half-kilometer four-circuit (multi-circuit) line of 220 kV has been constructed from Badera, Sunwal Municipality-13 to New Butwal substation. The Kaligandaki Corridor 220 kV transmission line is connected to the same multi-circuit tower.
The project has been initiated to expand and strengthen the internal transmission and distribution system for internal consumption of electricity produced within the country and promotion of bilateral and regional electricity trade.
Biswaranjan Mishra, the project head, said that the construction of the transmission line has been affected including the lengthy process required for land use approval and tree-cutting in the forest area, the COVID-19 pandemic, and the need to conduct an environmental impact assessment as it falls within the Chure region. A contract was signed with Power China SEPCO in Mid-December to mid-January 2020 for the construction of the transmission line. The agreement was executed in June 2077.
A contract was signed with Power China SEPCO in Poush (mid-January) 2020 for the construction of the transmission line, and the agreement was executed in Asar (mid-June to mid-July) 2020.
