A cable connecting Ireland and France's energy networks is hoped to be completed by 2026.

Oui-lectricity

An agreement has been signed that will see the energy networks of Ireland and France connected via a cable running from East Cork.

The key technical agreement for the Celtic Interconnector was signed by Ireland’s electricity grid operator EirGrid and its French counterpart Réseau de Transport d’Electricité (RTE).

Contracts have been signed with Siemens Energy for the development of converter stations in Ireland and France; and French cable manufacturer Nexans, which will design and install the 575 kilometre cable between the two countries.

Agreements have also been signed for €800 million of financing to be provided by the European Investment Bank, Danske Bank, Barclays and BNP.

The Celtic Interconnector will travel 575 kilometres from east Cork to the north-west coast of Brittany and will be able to import and export enough electricity to power 450,000 homes. It is expected the project will be built and operational by 2026.

Commenting on the news, Mark Foley, EirGrid Chief Executive said the interconnector is a key part of the operator’s strategic goal to transform Ireland’s power system and increase the use of renewable electricity.

“Interconnection with France makes the power system more resilient and efficient and allows renewables to become the primary energy source on the national grid,” said Mr Foley.

Developed by EirGrid and RTE, the Celtic Interconnector is a 700-megawatt high-voltage submarine power cable linking the southern coast of Ireland and the north-west coast of France. It will be the first interconnector between Ireland and continental Europe. France already has 50 electricity connections with its European neighbours.

The critical nature of the project has been recognised by the EU which has partly funded it and designated it a Project of Common Interest (PCI), an infrastructure project that links the energy systems of EU countries and provides access to financial support through the Connecting Europe Facility (CEF).

In 2019, EirGrid and RTE were awarded €530.7 million of CEF financing for the project.

Ambroise Fayolle, Vice President of the European Investment Bank said: “Investment in cross-border electricity interconnectors is essential to deliver climate and energy goals. The European Investment Bank is pleased to support the Celtic Interconnector as part of our support for climate action and energy security across Europe.”

The interconnector will connect into substations at Knockraha in east Cork and La Martyre in France, which studies identified as the best locations to connect to the transmission system in each country.