AYK Energy: Brittany Ferries’ second newbuild fitted with ‘world’s largest’ battery

Guillaume de Normandie, Brittany Ferries’ second hybrid electric ferry, has been installed with “the biggest marine battery ever built” from Andorra-based manufacturer AYK Energy. The vessel has also completed sea trials.

Following the installation of the 12 MWh Orion+ battery and completion of sea trials, the ferry is en route to Britain where it will operate the Portsmouth – Caen route.

In 2024, AYK installed the same battery system on Guillaume de Normandie’s sister ship, Saint-Malo, at China Merchants Jinling Shipyard Weihai.