Cardones – Polpaico Line is a 500kV overhead line with a length of 753km from Cardones, Salta, Chile, to Polpaico, Santiago, Chile.

Construction works on the Cardones – Polpaico Line project was commissioned in 2019.


The Cardones – Polpaico Line, which is an overhead line, is being operated by Interchile. The Cardones – Polpaico Line is a new line. The line carries alternating current (AC) through double circuit cable.

Approximately $1,000m was financed by the authorities to undertake the construction works of the project.

Cardones – Polpaico Line project development status

The development of the Cardones – Polpaico Line project was approved by The National Energy Commission and the project works were completed in 2019.


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.