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Steel cutting ceremony Acta Marine’s next CSOV at Tersan Shipyard

18 January 2023

The steel cutting ceremony is the official kick-off for the construction of the first of two next generation Methanol MDO/HVO powered DP2 Construction Service Operating Vessels (CSOVs) for Acta Marine at Tersan Shipyard. The design of the vessel SX216 has been developed exclusively and in close collaboration with Ulstein Design & Solutions AS.

The festive moment of ceremony was organized at Tersan Shipyard to celebrate this important milestone.


The 89 metres long vessels will be equipped with an SMST provided motion compensated crane and a motion compensated gangway for safe personnel transfer in significant wave-heights up to 3.0 meters. The CSOV provides excellent accommodation facilities for up to 135 people in 88 cabins. In addition to the Methanol MDO/HVO engines the vessels feature a battery power storage system creating further energy efficiency and CO2 reduction.


These vessels are the first contracted to implement Ulstein’s TWIN X-STERN design. This design has several unique characteristics, but the main distinguishing features of the vessel are the two sterns and main propeller units at each end. The combination of thrusters and symmetrical hull design results in lower energy consumption and reduced motions, and therefore, higher operability and comfort. This concept dramatically improves the manoeuvrability and ability to stay in position. Further, the design allows for reduced noise, more comfort on board and the potential to save significant amounts of energy in operation.


The design is being noticed; and the TWIN X-STERN was recently nominated for the Offshore Support Journal Innovation of the Year Award and the Acta Marine CSOV project is nominated for the Offshore Renewables Award.


Together with the second newbuild CSOV, that will follow three months later, these state-of-the-art vessels will be added to the fleet from the second quarter of 2024 enabling Acta Marine to continue her prominent position in the offshore wind market industry.