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瓦锡兰科技世界上第一个methanol-hybrid RoRo

瓦锡兰科技世界上第一个methanol-hybrid RoRo
Scheduled for delivery in 2025, the world’s first methanol-fuelled hybrid RoRo vessels will operate in the Stena Line Irish Sea system (image courtesy Stena RoRo).

Finland-headed energy and marine technology group Wärtsilä Oyj has announced that it will supply an integrated hybrid propulsion system for two new hybrid RoRo vessels. The ships are being built at the China Merchants Jinling shipyard (Weihai) Co., Ltd for the Swedish shipping company Stena RoRo.

The 147 metre-long ships will have 2,800 lane metre capacity and will be able to accommodate a total of 37 passengers and crew.

Scheduled for delivery in June and November 2025, the ships will be the world’s first methanol-hybrid RoRo vessels and will operate in the Stena Line Irish Sea system.

The Wärtsilä equipment, the value of which has not been disclosed, will be delivered to the shipyard in 2024.

Aligned with sustainability strategy

The combination of new sustainable fuels and electrification is in line with the company’s sustainable operations target.

These vessels are a further development of our previous cargo ship concepts where the focus on sustainability and future-proofing with multi-fuel combustion engines are prioritized. With the help of Wärtsilä’s advanced technology, we intend to have the greenest Ro-Ro vessels on the market, said Per Westling, Managing Director of Stena RoRo.

Methanol and ammonia

Each vessel will be equipped with two Wärtsilä 32M multi-fuel engines capable of operating on methanol at delivery, and fitted with ammonia-ready notation.

Wärtsilä will also supply the MethanolPac fuel storage, supply, and control system, the gearboxes, two controllable pitch propellers (CPP), three bow thrusters, the NACOS navigation system, three Wärtsilä 20 auxiliary engines, and the hybrid electric system consisting of shore power, batteries, shaft generators, converters, transformers as well as the Energy Management System making it all work together.

Each vessel will also benefit from the Wärtsilä Hybrid Solution, optimizing the fuel consumption today and allowing for future full green operation. The vessels will also be equipped with a Wärtsilä shore power solution enabling carbon-free operations when the vessels are in port.

We are proud to be supporting these innovative hybrid vessels with our methanol-fuelled engines and electrification systems. Both Stena RoRo and Wärtsilä share the same commitment to decarbonizing shipping operations, and these vessels represent a further step in this direction by being the first methanol hybrid ships in their class. Not only will the emissions be minimized, but they will also have the most efficient energy utilization during operations, commented Roger Holm, President of Wärtsilä Marine Power.

Strong cooperation

Wärtsilä has a strong relationship with Stena RoRo, and as early as 2015 Wärtsilä converted theStena Germanica to operate on methanolfuel.

The two companies are currently cooperating on a number of other Ro-Pax projects.

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