August 5, 2026

China's largest self-propelled pure electric-driven deep-sea cable-laying vessel completed its launching operation in East China's Jiangsu Province on Tuesday, marking a solid step toward formal delivery and operation for this major piece of equipment in the offshore wind power sector, a Chinese expert said on Wednesday.

The ship is currently China's self-propelled cable-laying vessel with the largest cable-carrying capacity, the strongest ability to withstand wind and waves, and the most advanced deep-sea operational capability. Once completed, it will undertake key tasks such as the laying of high-voltage submarine cables for China's deep-sea wind farms and the installation of intercontinental submarine power cables, Science and Technology Daily reported on Wednesday.

The 16,000-tonne cable-laying vessel, independently researched and designed by the 708 Research Institute of China State Shipbuilding Corporation, has an overall length of 139.8 meters and a moulded breadth of 38 meters. Equipped with DP-2 dynamic positioning capability, it is suitable for unlimited navigation areas, according to the report.

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