MARESCONNECT HOLDINGS LIMITED

MaresConnect Holdings Limited is the developer behind the MaresConnect Interconnector – a high‑capacity electricity link designed to bolster energy security for Ireland and Great Britain. By transmitting roughly 2.4 million MWh of power each year – enough for about 570 000 homes – the project supports the integration of large‑scale renewable generation, helps meet the 2030 green‑energy targets of both governments and drives down wholesale electricity prices for consumers.

The company’s core specialisation lies in delivering cross‑border transmission infrastructure that not only moves power but also incorporates a high‑speed fibre‑optic communications channel between the two islands. The €860 million private‑capital investment slated for Ireland and Wales will create long‑term construction and operational jobs, while the interconnector itself provides a strategic back‑up to the electricity system, enhancing supply resilience and contributing to the Net‑Zero ambition.

MaresConnect’s work is recognised at European level – it has been listed as a Project of Common/Mutual Interest, granting it accelerated permitting under the TEN‑E framework – underscoring its pivotal role in shaping a low‑carbon energy future for the region.