Neyveli TPS – Ariyalur Line is a 400kV overhead line with a length of 156km from Neyveli Thermal Power Station, Tamil Nadu, India, to Ariyalur, Tamil Nadu, India.

Construction works on the Neyveli TPS – Ariyalur Line started in 2017 and the project was commissioned in 2020.


The Neyveli TPS – Ariyalur Line, which is an overhead line, is being operated by Power Grid Corporation of India. The Neyveli TPS – Ariyalur Line is a new line. The line carries alternating current (AC) through double circuit cable.

Neyveli TPS – Ariyalur Line project development status

The development of the Neyveli TPS – Ariyalur Line project was approved by Tamil Nadu Electricity Regulatory Commission in 2017 and the project works were completed in 2020.

About Power Grid Corporation of India

Power Grid Corporation of India Ltd (Powergrid) a government owned Maharatna company, is an electricity transmission utility. It transmits and distributes electricity. The company owns and operates a network of transmission lines and carries out power transmission projects. Powergrid offers operations and maintenance services for transmission systems, consultancy services, smart grid and telecom services. It employs optical ground wire on power transmission lines to operate overhead optic fibre network and incorporates multifarious topology and environment technology to plan, coordinate and deploy transmission networks in India. The company serves customers in South Asia and Oceania.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.