Wills Bros has been selected by Siemens Energy as civil works sub-contractor for construction of the Celtic Interconnector converter station at Ballyadam, near Carrigtwohill in east Cork. The company is responsible for key elements of site enabling, earthworks, foundations, building structures and associated civil infrastructure for the onshore HVDC converter station that will interface the 320 kV DC link with Ireland’s 400 kV HVAC grid. Wills Bros’ work forms part of the broader converter station construction programme now progressing at Ballyadam, where steelwork erection and main civil works are underway ahead of equipment installation and commissioning.