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Seacat Services refits vessel with HVO fuel to reduce emissions

By: Tom Russell 18/05/2021 Seacat Services

General Vessels

Offshore Energy Support Vessel (OESV) operator Seacat Services (Seacat) announced that its vessel Seacat Enterprise has completed its journey to and first operational assignments at Triton Knoll offshore wind farm using Hydrotreated Vegetable Oil (HVO).

Following a scheduled refit at the Alicat yard in Great Yarmouth, which saw Seacat Enterpriseundergo a number of modifications, she was loaded with 8,000 litres of HVO30 for her return trip to Grimsby and first days of operation. Her journey and first assignments were completed successfully, with all engines performing to expectation.

HVO is developed with waste oils derived from agricultural products, and as such has a markedly lower life cycle greenhouse gas (GHG) emissions profile than traditional marine gasoil (MGO) derived from fossil feedstocks. The reduced emissions profile of HVO, combined with its ability to blend almost seamlessly with MGO, thereby reduces total operational emissions in accordance with the volume of the blend. In loading Seacat Enterprise with HVO30 – wherein 30% of total fuel volume was HVO – Seacat claims it has reduced CO2 emissions from the vessel’s transport and first operating days by 28%.

Commenting on the development, Ian Baylis, Managing Director at Seacat Services, said: “Seacat is committed to reducing our emissions profile as an organisation, and to setting the industry standard for environmental responsibility in the maritime supply chain. Updating Seacat Enterprise to the latest in high efficiency, high performance vessel design and running her effectively with HVO demonstrates to the industry what environmental improvements can be achieved now, with current technologies, while future solutions take shape.

“Up to 96% of emissions from the offshore wind support sector are generated while our vessels are under charter, during which time the fuel choice is specified by the customer. As offshore project owners and investors look to reduce emissions from their supply chains, we are proactive in supporting our charterers as they address this added pressure – and projects like this one prove what can be achieved with our vessels today.”

The design modifications made to Seacat Enterpriseduring her refit were specified by Seacat’s long-time vessel design partner, Chartwell Marine, and overseen by marine sustainability consultancy, Cedar Marine.

Speaking on the specification of the vessel, Owen Preece, Managing Director and Marine Surveyor at Cedar Marine, said: “Seacat’s commitment to maintaining a modernised fleet with the most current technologies available means Seacat Enterprise’s engines are well-suited to operating a broad range of distillate fuels with only minor modifications; in fact, HVO proves to be a closer specification to Seacat’s engines than traditional marine diesel.

“In keeping pace with leading vessel technologies, Seacat has thereby unlocked a means to generate considerable emissions savings across its entire fleet through the use of significantly cleaner alternative fuels. The emphasis is now on wind farm owners and charterers to support this shift on a more widespread and permanent basis – which in turn will improve the business case for use of these fuels.”

This test case for HVO is part of a range of measures Seacat is implementing across its operations and new build programme. In Q4 2020, Seacat placed double orders for the BARTech 30 and Chartwell 24 with FOSS – a pair of vessel designs that use hull form and foil optimisation to significantly reduce carbon emissions while maintaining operational performance.

For everything you need to know about the strategies used to support the construction and O&M of offshore wind farms, current and future, including supply and demand for service and accommodation vessels, and helicopters, click here.

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Seacat Services refits vessel with HVO fuel to reduce emissions

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