The Skagen-based tanker company will see its two dual-fuel (diesel/methanol) hybrid tankers equipped with 16-metre, foldable, ATEX-certified wind wings, four units for each vessel.

The deal follows the initial order of May 2023 for three newbuilds, bringing the new tonnage number to five and 20 VentoFoils. China Merchants Jinling Shipyard (Yangzhou) delivered the first one, Tern Vik, in April 2025.

"At Terntank, we are always looking for ways to reduce fuel consumption. It's part of our DNA. The installation of the VentoFoils and their integration with the Kongsberg [energy & propulsion management] system went seamlessly. It's great to see that the actual fuel savings match what was predicted. We're very pleased with the results," commented Claes Möller, CEO of Terntank.

Chiel de Leeuw, CCO of Econowind, added, "We are proud to continue our collaboration with Terntank and support their leadership in sustainable shipping. This repeat order confirms the performance of our VentoFoils and the shared ambition to decarbonize maritime transport."

"Econowind's engineering team has worked closely with Terntank and Kongsberg to ensure seamless integration of the VentoFoils into the vessel's overall energy system. The collaborative approach allows real-time optimisation of power sources, where wind, batteries, and fuel-based engines work together to minimise emissions and maximise efficiency. Under the K-Sail concept, wind can take the lead when conditions are favorable," the manufacturer from the Dutch Groningen highlighted in a press release.

The Terntank order upped Econowind's sales of VentoFoils to over 130 units, mounted on dry bulk carriers, tankers, ro-ros, and container ships.

Photo: Econowind