Record battery order drives ferry electrification

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Corvus Energy has secured a record contract to supply battery systems for seven fully electric ferries supporting Scotland’s move toward zero-emission maritime transport.

A Corvus powered CMAL electric ferry

Source: naValue

The seven all electric ferries, equipped with Corvus Dolphin Batteries, will operate zero-emission on the Scottish west coast serving the routes

The battery systems company’s largest-ever order comes from Remontowa Shipbuilding in Poland and covers battery systems for seven new electric ferries being built for Caledonian Maritime Assets Limited (CMAL), owned by the Scottish Government.

“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,” said Stein Ruben Larsen, senior vice president of sales at Corvus Energy.

Ferry milestone

The project represents a major milestone for electric ferries in the UK and highlights growing momentum behind vessel electrification and low-carbon vessel propulsion.

Mr Larsen added that constructing seven identical electric ferries at a single shipyard demonstrates strong industrial coordination and confidence in proven zero-emission technology.

The order supports CMAL’s Small Vessel Replacement Program, which aims to modernise Scotland’s ferry fleet while reducing emissions and improving island connectivity.

Each vessel will be equipped with a 5.7 MWh Corvus Dolphin NxtGen Energy Storage System, delivering a combined capacity of 40 MWh. Deliveries will begin in 2026 and continue through 2028.

Designed through international collaboration and integrated by ABB, the ferries will operate along Scotland’s west coast upon completion.

The contract builds on a long-standing collaboration between Remontowa Shipbuilding and Corvus Energy, which began in 2018.

Over the years, Corvus has supplied battery systems via integrators to several of Remontowa’s newbuild projects, including both fully electric ferries and hybrid offshore vessels.

Taking into account the seven CMAL newbuilds, the total number of joint projects is close to 20, demonstrating the continuity and cooperation between the two companies in developing zero- and low-emission vessel solutions.