Corvus Energy has secured its largest contract to date, measured by US dollar value, for the supply of battery systems to seven fully electric ferries being built for Caledonian Maritime Assets Limited (CMAL) in Scotland. The contract was awarded by Remontowa Shipbuilding in Poland, which is constructing the vessels under CMAL’s Small Vessel Replacement Programme (SVRP).

The Bergen-based energy storage specialist will supply Corvus Dolphin NxtGen Energy Storage Systems for all seven vessels. Each ferry will be fitted with a 5.7MWh battery system, bringing total installed capacity across the project to 40MWh. Deliveries are scheduled to begin in 2026, followed by three systems in 2027 and a further three in 2028.

Stein Ruben Larsen, Senior Vice President of Sales at Corvus Energy, noted that the project represented a significant milestone for the company. “It’s truly remarkable to witness seven identical ferries being constructed at the same shipyard,” he commented. “This project is significant for Corvus Energy not only because of its scale, but also because of the outstanding collaboration we’ve had with the designer, the shipyard and the integrator throughout the entire process.”

The ferries form part of CMAL’s Loch-class newbuild programme, which aims to modernise Scotland’s ferry fleet while reducing emissions and improving connectivity for island communities. Once in service, the vessels will operate exclusively on electric power along routes on Scotland’s west coast, including Colintraive–Rhubadoch, Sconser–Raasay, Tarbert–Portavadie, Iona–Fionnphort, Tobermory–Kilchoan, Lochaline–Fishnish and Tayinloan–Gigha.

The project brings together multiple international partners. Concept design was developed by naValue in Germany, with basic design undertaken by LMG Marin in Norway. Electrical and detailed design was provided by Remontowa Marine Design & Consulting in Poland, while ABB will be responsible for system integration.

The contract builds on a partnership between Remontowa Shipbuilding and Corvus Energy dating back to 2018. Including the seven CMAL vessels, the companies have collaborated on close to 20 projects, encompassing fully electric ferries and hybrid offshore vessels.

Michal Jaguszewski, Commercial Director at Remontowa Shipbuilding, said the partnership had proven its value across multiple newbuilds. “Our collaboration has been reliable through numerous projects, and Corvus’ lightweight energy storage technology plays an important role in meeting the high environmental standards required for CMAL’s new ferries,” he explained.

Fredrik Witte, CEO of Corvus Energy, stated: "This contract also marks the conclusion of a fantastic year for Corvus Energy, with record-high order intake and revenue. As we look ahead to a market in strong growth, we are excited to support the yard in delivering these state-of-the-art electric ferries."

According to Corvus Energy, the company has now supplied energy storage systems to more than 1,300 maritime projects worldwide, with over half of all vessels operating with zero-emission technology equipped with its systems.