Official summary
What is being procured?
The MaresConnect Project is a proposed 750 MW, 320 kV High Voltage Direct Current (HVDC) electricity interconnector linking Denbighshire, Wales and North County Dublin, Ireland. Developed by MaresConnect Limited, a joint venture between Foresight Group Holdings Ltd and Etchea Energy Nominees Ltd, the project will transmit electricity via approximately 240 km of subsea and underground cables between new converter stations on each side. It aims to enhance security of supply, market integration, and renewable energy utilisation between the Irish and GB grids. MaresConnect shall utilise Voltage Source Converter (VSC) technology and the configuration shall be a Symmetrical Monopole. The rated DC voltage shall be +/-320 kV.…
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TED · 667588-2026. Checked on Sep 29, 2026, 10:05 AM.
https://ted.europa.eu/en/notice/-/detail/667588-2026
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TED · 667588-2026. Checked on Sep 29, 2026, 10:05 AM.
Data is restructured for easier reading. The official notice and procurement documents always prevail.