Bibby Marine’s eCSOV: Pioneering Sustainable Offshore Wind Solutions

Bibby Marine has initiated construction of its hybrid-electric Commissioning Service Operation Vessel (eCSOV) as part of its decarbonization strategy for offshore wind operations. The keel-laying ceremony took place at the Armon Shipyard in Vigo, Spain, marking the start of the vessel’s assembly.

The construction contract for the eCSOV was awarded to Armon Shipyard in January 2025. The 6 700 gt vessel integrates methanol engines and battery technology, designed to achieve zero-emission commissioning and support for offshore wind farms. Set to become operational in 2027, the vessel is expected to significantly reduce lifecycle emissions and fuel consumption. It can accommodate up to 120 personnel for offshore deployments lasting up to a month.

Jonathan Lewis, CEO of Bibby Line Group, stated that the vessel is not just an engineering achievement but a reflection of the company’s values. Bibby Marine began developing zero-emission vessels in 2019, well ahead of industry trends. The eCSOV is a cornerstone of the E-Mission Zero campaign, which calls for industry collaboration to create a sustainable and cost-effective future for offshore wind operations.

In June 2025, the campaign gained traction with an open letter co-signed by industry leaders, including Bibby Marine, Kongsberg Maritime, and Stillstrom, urging immediate action on lifecycle emissions. Kongsberg is supplying the dynamic positioning and main propulsion systems, Corvus Energy provides the batteries, and Wartsila delivers the engine and propulsion systems.