Power Link Transmission Ltd.

Powerlinks Transmission Limited is a joint venture between The Tata Power Company Limited (51%) and Power Grid Corporation of India Limited (49%). It is the testimony of pioneering Public-Private Partnership (PPP) in the power transmission sector in India. The company was formed with a sole objective of setting up the transmission link between Siliguri in West Bengal to Mandola in Uttar Pradesh (near New Delhi), covering a distance of 1166 kms.

The transmission lines facilitate in evacuation of power from 1020 MW Tala Hydro Electric Project in Bhutan to Eastern Region and then to transfer surplus power from North Eastern States to Northern Region. The beneficiary states are West Bengal, Sikkim, Bihar, Jharkhand, U.P, Haryana, Punjab, Rajasthan, Delhi and J&K.


Powerlinks Transmission Ltd
10th Floor, DLF Tower - A
District Centre Jasola,
New Delhi -110025

Year of Establishment:

Powerlinks Transmission Limited was previously known as Tala - Delhi Transmission Limited. The company was established on 4th May, 2001 as a project specific "SPV Company" to take up implementation of transmission system associated with Tala Hydro - Electric Project through Joint Venture route on Build, Own, Operate and Transfer (BOOT) basis.

Present set up

Transmission lines of the company comprises of 400 KV D/C transmission line of Quad configuration having 3000 MW capacity from Siliguri (West Bengal) to Gorakhpur (Uttar Pradesh) and twin configuration having 1500 MW capacity from Gorakhpur (Uttar Pradesh) to Mandola (Uttar Pradesh).

Details of the lines of the Transmission system are as follows:

Packages Configuration Location Distance
A1 400 KV D/C Quad Line Siliguri - Purnea 160 Kms
A2 400 KV D/C Quad Line Purnea-Muzaffarpur 239 Kms
A3 400 KV D/C Quad Line Muzaffarpur - Gorakhpur 261 Kms
A4 400 KV D/C Twin Line Gorakhpur - Lucknow 246 Kms
A5 400 KV D/C Twin Line Bareilly - Mandola 236 Kms
A6 220 KV D/C Single Line Muzaffarpur (New) – Muzaffarpur (BSES) 24 Kms


The Company carries out Operation & Maintenance of the Transmission lines and adheres to the annual maintenance plan schedule prepared in the beginning of each year. Some of the latest technology equipment used for O&M activities is Thermo vision Cameras for thermal scanning, Line Fault Locator for locating the fault, Punctured Insulator Detection (PID) to detect defective insulators, etc.

Power links has the transmission license for 25 years and is expected to carry out the Operation & Maintenance of the transmission lines up to the year 2028.

River Wangchu – Tala Hydro Project
Circuit Towers built in 7 km wide Kosi River
ERS erected in flooded area