French cable manufacturer, Nexans, along with Switzerland’s transmission grid operator (TSO), Swissgrid, will install a 230 kV line in the Saint-Gotthard Road tunnel. By 2030, the tunnel’s second tube will house the 18-km-long high voltage line, which will replace the existing overhead line (OHL) across the pass. This new connection will play a critical role […]

This content is available to only paying subscribers.