ABB (SIX: ABBN) has announced delivery of what it calls the world’s highest capacity high voltage direct current (HVSC) light underwater power link to Eirgrid, the Irish transmission system operator.

The 500 MW cable is to operate as a link between Ireland and the UK, and enables leveraging of wind energy and facilitates power flows between the two countries and is based on voltage source converter (VSC) technology.

Ireland UK subsea connection
The cable will enhance grid reliability and security of electricity supplies and facilitates power trading between the two countries and connects Ireland to the European grid.

As Ireland expands its wind power capacity, it can export surplus electricity to the UK, and can import power when required.

A 262 km cable system connects Woodland in County Meath, Ireland and Deeside in north Wales. The cables are equipped with extruded polymeric insulation that provides strength and flexibility to endure the severe conditions of the Irish Sea. HVDC Light’s ‘black start’ capability can help restore power quickly in the event of an outage, without the aid of external energy sources.

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