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Wärtsilä: Taking the hybrid way

New Wärtsilä hybrid centre introduces and familiarises customers with sustainable hybrid technology.

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The following ‘Taking the hybrid way’ article was first published on the Wärtsilä magazine Twentyfour 7 in late 2018:

It was four years ago that Giulio Tirelli, Director of Sales and Business Intelligence at Marine Power Solutions Wärtsilä, came up with the idea of setting up a hybrid centre. “There were many rounds of discussion, planning, receiving approvals, and arranging for finance,” says Tirelli. After that, it took a year to finally commission the project. Why? Well, because nobody had attempted something like this before.

This was going to be a first-of-its-kind project: a real-scale hybrid centre that would provide possibilities to simulate operational data from the field, develop, validate and further optimise Wärtsilä’s innovative HY power module.

Wärtsilä HY is the industry’s first hybrid power module that combines engines, energy storage system, and power electronics optimised to work together through a newly developed energy management system, the “brain” of the HY power module.

The HY power module has one of the most advanced level of integration for hybrid technology in marine applications and is the new technological benchmark for hybrid propulsion systems given its clear economic, operational and environmental benefits.

The centre was finally commissioned in September 2018 and the official inauguration took place a month after.

The facility, located in Wärtsilä’s factory in Trieste, Italy, comprises a 2 MW diesel engine, batteries, power drives, a propeller load simulator using an electric motor, a power take-off/in motor generator, and the overall energy management system.

“Around 10–15 experts will be stationed at the centre, specialising in different areas such as electric systems, data analysis, performance and batteries. Wärtsilä is already looking into future developments where we could integrate even other sources of energy,” says Tirelli.

The aim of the centre is also to train the customers' crew and provide a hands-on experience to the technicians. On top of this, it will familiarise owners and operators to the Wärtsilä HY.

Coaching customers

The centre’s primary objective is to provide a first-hand experience of the hybrid technology to various customers. “We actually want to co-create and further develop the hybrid technology together with our customers, to come across and satisfy their specific needs, providing high-end value,” says Stefano Furlan, one of the people responsible for building and running the centre. “We want them to try out the hybrid model and feel the difference between the present systems and the future ones,” explains Furlan.

The first such opportunity came right after the day of the inauguration, on 18 October 2018. During the HY UP! event more than 120 Customers, from 80 different countries, came to visit the new facility. “These were a good mix of people representing shipyards, companies operating ocean cruisers, ferries, tugs, dredgers, off-shore platforms and even sports yachts,” says Tirelli.

During the event, they witnessed the first real-life demonstration of the new hybrid technology at the centre and were familiarised with the components of the HY power module. “The feedback was positive. We have already planned for future meetings with these customers,” says Tirelli. “Customers could translate the potential of Wartsila HY into their vessels and systems that could bring real benefits according to their different segment operations,” adds Furlan.

Sustainability at the centre

One of the biggest drivers of making the hybrid technology more accessible and popular is the strive to increase the sustainability of the marine sector.
The centre has already tested Wärtsilä’s patented electric start-up procedure to deliver a smokeless start of the main engine.

“This is one of the biggest innovations ever in the medium-speed diesel/gas engine the marine market has seen. This was ever tested before and gave us one of the most interesting outcomes. It was impressive to see how a diesel engine could start up without the ‘typical’ black smoke coming out from the chimney,” explains Furlan.

According to Furlan, the key here would be optimising the energy usage. “For instance, we have an electric start for large and medium-sized engines. This not only reduces fuel consumption but also leads to a massive reduction in diesel smoke and particulate matter,” he explains. Another such example is the start/stop functionality which also helps in optimising fuel consumption.

“The fuel-consumption figures depend very much on the vessel type, operation, way the crew operates, etc. However, for certain offshore vessel the fuel saving could rise up to 15–18%,” says Furlan. Here, fuel is not the only savings. “Maintenance costs will also inherently reduce since the components will be less stressed and less used compared to a traditional system,” explains Furlan.

“We have put in practice something that other companies have only been talking about,” says Tirelli. However, he is not afraid that the competitors might copy their technology. “They are welcome to follow. After all, sustainability and saving our planet is a common goal,” he says.

The hybrid centre itself is also a good example of successful integration, improving the sustainability of the factory in Trieste. The energy generated by the centre will be fed to the factory grid to provide sustainable power to the company’s production facilities. “Through all our activities we want to stress the need for achieving sustainability and set a benchmark. As a company, this is one of our main goals,” says Furlan.

A green start

An event for 120 customers from all over the world can accumulate a lot of non-biodegradable trash, even if it means getting them together for a few hours. So, Wärtsilä decided to cut down. “We decided to go green for the event. Just by using traditional glass cups we saved over 1000 plastic cups,” says Tirelli.

No plastic bags, no paper cups, no flyers, no printed invitations or distribution materials were used for the event. To avoid printed material, presentations and brochures, event programmes, dinner invitation etc., were distributed digitally. The gadgets were made of recycled materials and candles were used instead of flowers for the gala dinner. Even the badge holders were made of recycled material and then reused as a nametag for the luggage.

“The event was about marine sustainability and focused on reducing the amount of waste. So, it was an obvious decision and our guests really appreciated it,” says Furlan.

Source and photo credit: Wärtsilä
Published: 15 January, 2019

 

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Alternative Fuels

Yang Ming orders six LNG dual-fuel, ammonia-ready containerships from Hanwha Ocean

Each of the six new vessels will have a capacity of up to 13,650 TEU and feature LNG dual-fuel propulsion and Ammonia Fuel Ready specifications.

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Yang Ming orders six LNG dual-fuel, ammonia-ready containerships from Hanwha Ocean

Taiwanese shipping firm Yang Ming Marine Transport Corporation (Yang Ming) and South Korean shipbuilder Hanwha Ocean on Wednesday (2 September) signed a shipbuilding contract for six 13,000 TEU class LNG dual-fuel container vessels. 

The contract was signed by Dr. Chuck Tsai, Chairman of Yang Ming, and Mr. Charles Kim, CEO of Hanwha Ocean. The vessels are scheduled for delivery between 2028 and 2029. 

They will complement Yang Ming’s existing fleet of 10,000+ TEU vessels and serve as key vessels on East-West services, with deployment flexibility across trade lanes connecting Asia with the East and West Coasts of North America, South America, and the Mediterranean. 

Each of the six new vessels will have a capacity of up to 13,650 TEU and feature LNG dual-fuel propulsion and Ammonia Fuel Ready specifications.

“As Yang Ming transitions toward net-zero emissions, LNG provides a relatively mature and economically viable alternative fuel solution, capable of reducing greenhouse gas emissions by approximately 20%,” the company said. 

“At the same time, ammonia can serve as a carbon-free fuel by utilising converted LNG storage facilities, while offering relatively lower conversion costs and comparatively well-developed supply chains and infrastructure. The Ammonia Fuel Ready design will therefore provide Yang Ming with greater flexibility in responding to increasingly stringent international regulations on greenhouse gas emissions.”

In addition, the vessels will be equipped with Type B LNG fuel tanks with a design pressure of 1.0 bar to enhance the safety and efficiency of LNG operations, together with a range of energy-saving technologies, including Wind Shields, Rudder Bulbs, Pre-Swirl Stators, and Shore Power Systems. Smart ship technologies and cybersecurity protection features will also be incorporated to enhance operational efficiency, safety, and reliability while effectively reducing fuel consumption and greenhouse gas emissions.

Deliveries under Yang Ming’s next-generation fleet optimization plan commenced earlier this year. By 2030, a total of 24 new vessels are expected to enter service. 

This includes 18 LNG dual-fuel vessels—comprising five 15,500 TEU, seven 16,000 TEU, and the six 13,000 TEU vessels under this contract—alongside six 8,000 TEU methanol dual-fuel-ready ships. 

 

Photo credit: Yang Ming Marine Transport
Published: 4 September, 2026

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LR, China’s MARIC unveil tanker concept ready for three future bunker fuels

Both secured AiP for a new 114,000 DWT product and crude oil tanker designed to accommodate future conversion to LNG, methanol or ammonia.

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LR, China’s MARIC unveil tanker concept ready for three future bunker fuels

Lloyd’s Register (LR) and the Marine Design and Research Institute of China (MARIC) on Thursday (3 September) have secured Approval in Principle (AiP) for a new 114,000 DWT product and crude oil tanker designed to accommodate future conversion to LNG, methanol or ammonia.

Announced at SMM 2026, the concept addresses one of the biggest investment challenges facing shipping today: the need to develop vessels and capabilities that can support a range of alternative fuel options and pathways as technologies, infrastructure and regulations evolve.

While LNG is already a mature fuel pathway, methanol and ammonia remain at an earlier stage of development, with questions around global fuel availability, infrastructure development, economics and long-term adoption.

The 114,000 DWT tanker concept has been designed as a product and crude oil carrier that can accommodate future conversion to LNG, methanol or ammonia as technologies, regulations and fuel supply chains mature. By incorporating conversion readiness at the design stage, the concept aims to reduce future retrofit complexity and provide owners with greater confidence when planning long-term fleet investments.

The design concept was reviewed against LR’s July 2026 class rules and regulations, including requirements relating to ships using gases and other low-flashpoint fuels, alongside relevant IACS Common Structural Rules for oil tankers. Final classification and statutory approval remain subject to full compliance with all applicable rules and regulations.

Theo Kourmpelis, Global Business Director for Tankers, Lloyd’s Register, said: “Shipowners are being asked to make major investment decisions today despite continued uncertainty around which fuels will dominate in the decades ahead. Alternative fuel solutions each offer potential pathways to compliance, but fuel infrastructure, regulation and economics continue to evolve at different speeds around the world.

“Designs that preserve flexibility will be critical in helping owners manage risk while preparing for multiple future scenarios.”

Si Nan, Marine & Offshore Marketing Department Vice Director, MARIC, said: “As the industry explores different decarbonisation pathways, shipowners need vessel designs that can adapt alongside technological and regulatory developments. This concept was developed specifically to provide greater fuel flexibility and long-term resilience, allowing owners to respond to changing market requirements without being locked into a single fuel strategy.

“Receiving Approval in Principle from Lloyd’s Register is an important milestone that validates the design concept and supports its future development.”

 

Photo credit: Lloyd’s Register
Published: 4 September, 2026

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Alternative Fuels

DNV: Alternative-fuelled vessel orders hit highest monthly level since October 2024

LNG-fuelled vessels accounted for the vast majority of August activity while the strong summer performance marked a significant acceleration in ordering activity after a relatively slow start to the year.

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DNV: Alternative-fuelled vessel orders hit highest monthly level since October 2024

Latest data from classification society DNV’s Alternative Fuels Insight (AFI) platform alternative-fuelled vessel ordering was strong in August, with 52 new vessels added to the platform.

This is the highest monthly total since October 2024 and follows another active month in July, when 47 vessels were added to the database.

LNG-fuelled vessels accounted for the vast majority of August activity, with 46 orders recorded. The container segment led the way with 30 orders, while the car carrier segment contributed a further 12 LNG-fuelled vessels. In addition, four ethanol-fuelled bulk carriers and two hydrogen-powered bulk carriers were added during the month, as well as one LNG bunker vessel.

The strong summer performance marked a significant acceleration in ordering activity after a relatively slow start to the year. In total, 242 alternative-fuelled vessel orders have been placed in the first eight months of 2026, representing a 27% increase compared with the same period in 2025.

LNG remains the dominant fuel choice, accounting for 63% of all alternative-fuelled vessel orders registered so far this year. Container vessels represent the largest share of these LNG orders (59%), followed by car carriers (30%).

Jason Stefanatos, Global Decarbonization Director at DNV Maritime, said: “The past two months have been particularly strong for alternative-fuelled vessel ordering, with August recording the highest monthly total we’ve seen since October 2024. This has helped lift year-to-date orders to a level well above the same period last year.

“LNG remains the leading fuel choice, driven largely by activity in the container and car carrier segments. These sectors have been among the earliest adopters of alternative fuels, supported by predictable liner operations and increasing demand from cargo owners to reduce emissions across supply chains. 

“For many owners, LNG offers a combination of emissions reductions, fuel availability and future flexibility while the longer-term fuel landscape continues to evolve. 

“At the same time, the latest figures include orders for ethanol- and hydrogen-fuelled vessels, highlighting that owners continue to explore a range of decarbonization pathways. Different segments are making different fuel choices, but the overall level of activity demonstrates continued investment in lower-emission shipping.”

Screenshot 2026 09 04 at 12.29.26 PM Screenshot 2026 09 04 at 12.29.36 PM

 

Photo credit: DNV
Published: 4 September, 2026

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