Corvus Energy Powers First Fully Electric Offshore Vessel

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The eCSOV will have almost 25MW of Corvus battery installed and will be the world`s first fully electric offshore vessel
Corvus Energy will supply a 25MWh battery system for the world’s first fully electric offshore vessel, marking a major milestone in zero-emission shipping

Corvus Energy, a leading provider of zero-emission solutions for the offshore and marine industry, has announced its role in powering the world’s first fully electric offshore vessel. It will supply a mega-size battery system for the groundbreaking electric Commissioning Service Operation Vessel (eCSOV), constructed by Armon shipyard in Spain for UK-based shipowner Bibby Marine.

A milestone in offshore vessel operations

Corvus Energy will equip the eCSOV with its Blue Whale Battery Energy Storage System (BESS), which will deliver close to 25MWh of power.

It will be the largest Lithium Iron Phosphate (LFP) battery system ever installed in a maritime project, marking a major milestone in offshore vessel operations.

Pål Ove Husoy, VP of Sales at Corvus Energy, says: “A fully electric offshore vessel is something the industry has been working towards for a long time and marks a significant milestone in offshore vessel operations.

Pål Ove Husoy, VP of Sales at Corvus Energy

“This eCSOV will be the first offshore vessel that can operate fully electric for a full day and will set a new standard for future offshore vessels.

"The unique system design incorporating both battery power and dual-fuel methanol engines will significantly reduce carbon emissions and increase energy efficiency while providing the reliability and performance needed for demanding offshore wind and renewable operations.”

Optimised power distribution system

Corvus Energy has worked closely with the shipowner, designer and system integrator to ensure optimal system design and performance.

Unlike conventional hybrid systems, the eCSOV will rely primarily on its large battery pack as the main power source, with engines running solely for charging at a constant, optimised load. This approach maximises efficiency, extends battery lifespan and significantly reduces emissions.

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The vessel will feature an innovative DC grid architecture that minimises energy losses and ensures seamless power distribution. Additionally, offshore charging capabilities will enable simultaneous battery charging while maintaining Dynamic Positioning (DP) for station-keeping — an industry first in the Service Operation Vessel (SOV) market.

Driving the future of zero-emission maritime operations

The collaboration between Corvus Energy and Bibby Marine represents a significant step toward the electrification of the maritime industry. 

Gavin Forward, New Build Director at Bibby Marine, highlighted the importance of this partnership: “We are excited to collaborate with Corvus on this pioneering eCSOV project, setting a new benchmark for sustainable offshore operations and driving the future of zero-emission vessel technology.”

Gavin Forward, New Build Director at Bibby Marine

Gavin emphasised that Bibby Marine selected Corvus Energy “for its proven track record in delivering complex vessel projects, while the LFP battery chemistry was chosen for its alignment with our eCSOV’s operational profile, offering enhanced safety, longevity and reliability for a project that promises to accelerate the path to net-zero for the maritime sector.”

Project timeline and industry impact

Corvus Energy is scheduled to deliver its battery equipment to the shipyard in 2026, with the vessel expected to enter operation in 2027. Once in service, the eCSOV will support the commissioning and operation of offshore wind farms, reinforcing the maritime sector’s commitment to achieving net-zero emissions.

The project marks a transformative moment for offshore vessel technology, setting new standards for energy efficiency, emissions reduction and sustainable maritime innovation.


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