ABB will supply switching technologies including indoor gas insulated switchgear, rated at 420kV and 245kV, and hybrid outdoor switchgear rated at 145kV. The company will also provide the substation’s indoor surveillance and monitoring system.

Bernhard Jucker, head of power products division at ABB, said: “Cross-border transmission interconnections will continue to play a key role as countries pool power resources and address the need to provide dependable power with minimal environmental impact. State-of-the-art power products and technologies like GIS will go a long way in ensuring the reliability and efficiency of the grid.”

Terna is a high-voltage electricity transmission grid owner and operator in Italy, and is responsible for an energy network that includes more than 62,000km of lines.