A first-of-its-kind energy construction vessel (ECV) that can support offshore wind farms, subsea infrastructure, and underwater maintenance operations has recently been launched in Vietnam.
The vessel was designed by Ålesund-based shipbuilding company VARD for Wind Energy Construction AS, a Norwegian maritime firm, which carries out services for offshore construction. The company is partially owned by green energy supplier Norwind Offshore.
According to VARD representatives, the vessel, identified as NB985, was launched on Tuesday, October 27, 2026, at the Vard Vung Tau shipyard in Ho Chi Minh City, Vietnam. Its debut came just over a year after construction began, on October 6, 2025, following an order placed in 2024.
At the time, Svein Leon Aure, Norwind Offshore CEO, announced the companies had designed an entirely new vessel category. “We are pleased to have, together with VARD, developed a new vessel category which will enable the development of renewable energy to an even greater extent,” Aure explained.
Measuring 366 feet (111.5 meters) in length, the vessel features a 150-ton subsea crane, an advanced gangway system, and accommodation for up to 120 people. It features VARD’s 3 11 design. The company developed it specifically for offshore wind and subsea projects.
It is equipped with tools for underwater construction, infrastructure installation, as well as maintenance operations. It also has a 150-ton heave-compensated subsea crane, which can reduce the effects of vessel movement during lifting operations.
The ship will also feature a three-dimensional (3D), electrically controlled, motion-compensated walk-to-work (W2W) gangway. The system keeps workers steady as they move between the ship and offshore structures .
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