Wärtsilä launches new eco-friendly tug designs

Monday, 18 September 2017


Wärtsilä Corporation, Trade press release, 18 September 2017 at 11 am EEST

The technology group Wärtsilä is introducing a new portfolio of tug designs, to be known as the Wärtsilä HYTug series, with the emphasis on environmental sustainability. Since they typically operate in or close to harbours and populated areas, tugs are particularly affected by environmental considerations, and the need for regulatory compliance is an increasing concern for tug owners and operators worldwide.

Wärtsilä has already introduced tug designs featuring liquefied natural gas (LNG) fuel technology as an efficient means for complying with environmental legislation. The company has long been at the forefront in developing technologies that have enabled LNG to become a viable marine fuel, and the Wärtsilä LNGTug designs reflect this experience.

These latest designs have been developed utilising Wärtsilä's strong competences in hybrid propulsion technology, along with the company's extensive experience with more than 1000 tugs built based on Wärtsilä's ship designs.

The recently introduced Wärtsilä HY hybrid propulsion solution forms the basis of the new designs, the benefits of which include the flexibility and efficiency provided by the technology. Notably, the enhanced efficiency enables the total installed main engine power to be less than with conventional designs. Using less engine power also decreases exhaust emission levels and, therefore, the environmental impact. It also reduces the fuel bill and lessens the amount of engine maintenance needed, which again adds to the cost savings.

"We believe that new tugs will in future rely more and more on battery and hybrid propulsion, which very well complements today's operational requirements. As a total solutions provider with unmatched in-house capabilities combining ship design, engine technology, propulsion, and electrical and automation systems, Wärtsilä is uniquely qualified to produce tug designs that fully meet the needs of the industry, and this we have now done," says Riku-Pekka Hägg, Vice President, Ship Design, Wärtsilä Marine Solutions.

The designs feature a very distinctive outlook while providing the power and manoeuvrability for practical tug operations. They have been optimised for low hull resistance, high towing / escort performance, sea-keeping, crew safety and comfort, as well as for easy maintenance. Each design has the option to select either diesel mechanical hybrid, or diesel electric hybrid propulsion, and the designs cover a 40 to 90 ton bollard pull range with the appropriate Wärtsilä equipment.

The new tugs are designed with thrusters from the Wärtsilä WST series featuring large propeller diameters for efficient and high performance propulsion. In addition to their excellent hydrodynamics and reliability, these thrusters are also easy to install, operate, and maintain.

The development work has been carried out in close cooperation with the ABS, BV and Lloyds Register classification societies, and the designs have received Approval-in-Principle (AiP) certification. This certification means that the design complies with class safety regulations and will be class approved in actual projects. The Wärtsilä HY solution has itself received AiP certification from the Lloyds Register classification society.

The new designs will be launched at the Asian Tug Technology and Salvage conference being held in Singapore on September 18 and 19.

Link to more information on wartsila.com: Wärtsilä HYTug designs

Link to image
Caption: The new portfolio of Wärtsilä HYTug designs emphasises environmental sustainability.

Media contacts:

Mr Ay Hwa Ngoh
Sales Manager/ Naval Architect, Ship Design
Wärtsilä Marine Solutions
Tel: +65 65621138
ayhwa.ngoh@wartsila.com

Ms Marit Holmlund-Sund
Senior Manager Marketing, Communications, Marine Solutions
Wärtsilä Corporation
Tel: +358 10 709 1439
marit.holmlund-sund@wartsila.com

Wärtsilä in brief:
Wärtsilä is a global leader in advanced technologies and complete lifecycle solutions for the marine and energy markets. By emphasising sustainable innovation and total efficiency, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers. In 2016, Wärtsilä's net sales totalled EUR 4.8 billion with approximately 18,000 employees. The company has operations in over 200 locations in more than 70 countries around the world. Wärtsilä is listed on Nasdaq Helsinki.
www.wartsila.com

 

This announcement is distributed by Nasdaq Corporate Solutions (One Liberty Plaza, 165 Broadway, New York, NY 10006. Tel: +1 212 401 8700. www.nasdaqomx.com) on behalf of NASDAQ OMX Corporate Solutions clients. Source: Wärtsilä Oyj Abp, PL 196, Helsinki 00531, Suomi
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Last Updated ( Monday, 18 September 2017 )