CELTIC002 – Converter Station Engineering Procurement and Construction (EPC) contract for the Celtic Interconnector Project

Tender description

The Celtic Electrical Interconnector FR-IR Project is being developed as a 700 MW, 320 kV VSC HVDC link between the French and Irish transmissions systems. This HVDC link is composed of one circuit, comprised of two power cables and two converter stations. The link is approximately 575 km long, of which the offshore element comprises approximately 500 km. The converter stations are currently anticipated to be located close to the 400 kV La Martyre substation (France) and the Knockraha 220 kV substation in Co Cork (Ireland). This notice relates to the EPC contract for the design, manufacture, delivery, installation and commissioning of the VSC converter stations in Ireland and France, inclusive of all civil works and (if necessary) associated maintenance contract/s. A separate contract notice will be published for an EPC Contract relating to the design, manufacture, delivery, installation, commissioning and maintenance of the cable link. Lot 1: This notice relates to the EPC contract for the design, manufacturing, delivery, installation and commissioning of the VSC converter stations in Ireland and France, inclusive of all civil works and (if necessary) associated maintenance contract/s.The project is proposed as a voltage source converter (VSC) Symmetrical Monopole configuration with converter station terminals which are located close to 400 kV La Martyre substation, France and the Knockraha 400 kV substation in Co. Cork, Ireland. The contracting entity, CIDAC, is an incorporated joint venture company established in Ireland, to procure the design, construction, installation, commissioning and maintenance of the Celtic Interconnector assets. The CELTIC Electrical Interconnector FR-IR Project is a joint project developed by CIDAC in its own name but on behalf of its shareholders, Réseau de Transport d’Electricité (RTE) and EirGrid plc, who act as the transmission system operators in France and Ireland respectively. The project is supported by the European Union’s Connecting Europe facility (CEF).