Hetauda-Dhalkebar-Duhabi

(400 KV) Transmission Line Project

Overall View of Inaruwa SS

This is Nepal’s first 400 kV transmission line project to reach the construction phase, marking a major milestone in the country’s power sector development. Once commissioned, the line is expected to serve as the backbone of the Integrated Nepal Power System (INPS) for at least the next decade, significantly enhancing the reliability and capacity of the national grid. Jade Consult is undertaking this landmark project in association with POWERGRID Corporation of India Ltd.

Client :Nepal Electricity Authority (NEA)

Scope of Works : (In association with POWERGRID India) Owner’s Engineer for Hetauda-Dhalkebar-Duhabi 400 kV TL Project, Design Check and Construction Supervision, Quality assurance and inspection, Supervision of installation, Testing & commissioning of Transmission Line works & Substation works.

Project Features : Route – Hetauda to Inaruwa via Dhalkebar (400 kV line) Length: 285 km, No. of Substations: 3 (220 kV of substations at Hetauda, Dhalkebar & Inaruwa), Highest Voltage Level TL Project of Nepal till date.Route Alignment passes through Makawanpur, Bara, Rautahat, Sarlahi, Mahottari, Dhanusa, Siraha, Saptari, Udayapur and Sunsari Districts. Voltage Level – 400 kV (initially will be charged at 220 kV), Circuit – Double, Total quantity of 400 kV double circuit towers: 792 nos., Conductor – ACSR Moose (Quad)