Kathmandu. The construction of the Dhalkebar-Bara section under the Hetauda-Dhalkebar-Inruwa 400 kV transmission line project under construction to strengthen and make the electricity transmission system within the country reliable and expand electricity trade between Nepal and India has been completed.
The construction of the 100-kilometer transmission line from Dhalkebar substation in Dhanusha to Saraswati Danda on the border of Bara and Makawanpur has been completed. The construction of a 154-kilometer 400 kV double circuit transmission line from Dhalkebar in Dhanusha to Inaruwa Substation in Bhokraha Narsingh Rural Municipality-4 in Sunsari, eastwards, has been completed and has been operational since last Ashar.
To further facilitate the flow of electricity westwards from Dhalkebar, one circuit of the approximately 60-kilometer 400 kV transmission line to Jangal near Chandranigahapur (Chapur) market in Rautahat has been brought into operation (charged) at 132 kV. The 400 kV transmission line, which is currently in operation, was ‘tapped’ at the location and charged to 132 kV in the presence of Nepal Electricity Authority Executive Director Kulman Ghising on Thursday.
The Authority’s Executive Director Ghising said that the 400 kV line, which has been completed and built to remove the existing infrastructure barrier to send electricity from Dhalkebar to the west and from the west to Dhalkebar, was charged to 132 kV.
‘To solve the current energy shortage in winter, additional electricity can be imported from India during the day through the Dhalkebar-Muzaffarpur inter-country transmission line. This will allow water from semi-reservoir projects such as Kulekhani Reservoir, Upper Tamakoshi, Kaligandaki, Marsyangdi, and Madhyammarsyangdi to be used during the day. It can be used during evening peak and night, which will make it easier to manage the electricity supply from Dhalkebar to the west,’ said Executive Director Ghising.
After the rainy season begins, the excess electricity consumed within the country can be channeled from the west to Dhalkebar, increasing the amount of electricity exported to India, and it is easier to move forward with the work of increasing the capacity by changing the conductor of the currently operating 132 kV transmission line.
The authority is working on upgrading (changing the wires) of the 132 kV double circuit transmission line from Hetauda to Dhalkebar in Makawanpur. Executive Director Ghising informed that the 136-kilometer section from Hetauda to Dhalkebar Substation is about to be replaced with a new high-capacity wire to increase the capacity of the East-West 132 kV double circuit transmission line.
Among these, the wiring work of both circuits from Hetauda to Piluwa Substation in Bara has been completed. The work of one circuit from Dhalkebar to Lalbandi in Sarlahi has been completed. Due to the obstruction of the locals, the wiring work has been stopped before Lalbandi. The work could not proceed as the wiring work would have to be shut down and this would affect the electricity supply in that area. Now that 400 kV has been charged to 132 kV, the work of changing the wires can be carried out by transmitting electricity through that line, says Executive Director Ghising.
Currently, about 200 MW of electricity is flowing through the old 132 kV transmission line, but after changing the conductor, the capacity will increase to about 400 MW. This will improve the electricity supply in that area, the electricity generated in the western region can be further transmitted to the east, and the excess electricity consumed within the country can be exported to India through the Dhalkebar substation.
The construction of the 288-kilometer 400 kV transmission line from the Hetauda substation in Thanabharyang to the Inaruwa substation in Hetauda Sub-metropolitan City-11 of Makawanpur was started by dividing it into two sections. The transmission line has been divided into two sections, Hetauda-Dhalkebar 134 kilometers and Dhalkebar-Inruwa 154 kilometers. Of these, the Dhalkebar-Inruwa section has been completed and is operational. The Hetauda-Dhalkebar section is under construction.
Under this section, some locals in the Hatiya area of Hetauda Sub-metropolitan City-15, 16 and 17 have been obstructing the construction for about 8 years, demanding to shift the route of the transmission line. 18 towers, including 16 in the Hatiya area and two in Thanabharyang located in Hetauda-11, are yet to be constructed. The remaining two towers are under construction.
The project has been initiated under the Nepal-India Electricity Transmission and Trade Project with investment from the Government of Nepal and the Authority and a concessional loan from the World Bank. After the end of the World Bank loan period, the remaining work is currently being carried out with investment from the Government and the Authority.
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