Illustration of future WAPS deployment on 5 MRs owned and operated by Maersk Tankers. Credit: Maersk Tankers.

Maersk Tankers has placed an order for bound4Blue’s wind assisted propulsion system (WAPS) to power its five vessels.  

The agreement marks bound4blue‘s largest WAPS deal to date, involving the installation of 20 type-approved eSAIL suction sails on five MR tankers during dry dock periods in 2025 and 2026.

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Maersk Tankers introduced WAPS to its fleet in 2018 with the installation of rotor sails on the Maersk Pelican.

Building on its experience with WAPS deployment, it anticipates double-digit reductions in both fuel consumption and CO2 emissions per vessel.

The company selected eSAIL as their solution of choice in collaboration with green technology catalyst Njord, who conducted an assessment of various wind-assisted propulsion systems to ensure the optimal environmental and commercial benefits for the target vessels and their anticipated future operations.

Njord has overseen the entire design and technology selection process and will manage the integration and installation of the systems, while also validating the resulting savings.  

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The eSAIL system generates lift and propulsive efficiency by harnessing airflow across its aerodynamic surface, resulting in significant reductions in fuel consumption and CO2 emissions.

Each vessel will be outfitted with four 26m autonomous eSAIL systems, which automatically adjust to prevailing wind conditions to ensure optimal performance.

Four of the 20 turnkey units will be installed on Maersk Tankers’ vessels – the Maersk Tacoma, Maersk Tampa, Maersk Tangier, Maersk Teesport, and Maersk Tokyo – with expectations to achieve double-digit reductions in both fuel consumption and CO2 emissions per vessel.

Other initiatives to enhance sustainability across the Maersk Tankers fleet include optimising energy efficiency with analytics-driven tools, investing in energy-saving devices (ESDs), and actively exploring alternative marine fuels like methanol and ammonia.

Maersk Tankers chief investment officer Claus Grønborg said: “For the tanker industry to progress in the energy transition, concrete investments and actions are essential. At Maersk Tankers, we are committed to leading by example, continuously adopting advanced energy-efficient technologies to reduce fuel consumption and CO2 emissions.

“By implementing Wind-Assisted Propulsion Systems at scale in our fleet, we enable our customers to meet their sustainability targets, while also advancing the objectives of FuelEU Maritime and the EU Emissions Trading System.”