Recent developments in Voltage Source Converter High Voltage Direct Current (VSC HVDC) systems have increased its range of applications. When a new high voltage AC transmission line is planned and part of it has to be undergrounded, VSC HVDC is a competitive alternative to AC connections. In this paper, the results of two studies are reported. The first study deals with the Beverwijk-Bleiswijk connection in the Netherlands, the second with the Belgian-German interconnector. Both planned connections are located in the highly meshed UCTE grid.