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Swedish 'Enabler' Con-Ro Twins Achieve Top Ranking in Clean Shipping Index

19th February 2025
 Wallenius Sol’s twin Enabler-class vessels, Botnia Enabler (above) and Baltic Enabler have achieved the highest Class 5 ranking in the Clean Shipping Index (CSI) which reflects a move to a more environmentally responsible shipping sector. The Swedish operator’s recent acquisition of Mann Lines with its RoRo services linking the UK, North Sea, Scandinavia, the Baltic Sea, and Iberia will also see it expand its service range to include Ireland.
Wallenius Sol’s twin Enabler-class vessels, Botnia Enabler (above) and Baltic Enabler have achieved the highest Class 5 ranking in the Clean Shipping Index (CSI) which reflects a move to a more environmentally responsible shipping sector. The Swedish operator’s recent acquisition of Mann Lines with its RoRo services linking the UK, North Sea, Scandinavia, the Baltic Sea, and Iberia will also see it expand its service range to include Ireland. Credit: Wallenius Sol-Linkedin

Wallenius Sol, with its Gulf of Botnia/Baltic Sea liner operations expanding into northwest Europe, has again received a ranking of Class 5 in the Clean Shipping Index (CSI). 

This is the non-profit organisation's highest classification for environmentally responsible shipping.

Among the Swedish flagged ro-ro operators fleet (see CLdN's 2023 charter for Ireland-Spain), their twin 242 m vessels, Botnia Enabler (as above) and Baltic Enabler, have for the second consecutive year been listed among the verified top-performing vessels, holding a Clean Shipping Index (CSI) 5 rating.

The twin LNG-powered ultra-large vessels, each of 59,000 gross tons, are also the world’s largest ice-rated ConRo vessels with multi-fuel operation. They transport forestry products and a broad range of other cargo, and Afloat highlights were designed by Knud E. Hansen, the renowned Danish naval architects firm that was awarded the ‘RoRo Vessels of the Year 2022’.

The Clean Shipping Index is an independent rating system that evaluates vessels on their environmental performance. Factors such as greenhouse gas emissions, waste management, and pollution control are assessed to promote sustainable practices in the maritime industry. Class 5 is the top grade in the index, given to vessels that meet the highest standards in emissions reduction, waste handling, and sustainable operations. 

“Being one of the few RoRo vessels to achieve this high ranking within the Clean Shipping Index is a strong confirmation that we are doing the right things,” says Rebecca Tagaeus, Sustainability Manager, Wallenius Sol.

The top rating not only reinforces the company’s commitment to sustainable shipping but also comes with tangible benefits, such as reduced fairway dues.

“These savings allow us to reinvest in our fleet, continuously improving our environmental performance. The Class 5 ranking assures our customers that they will gain real value when choosing transport partners committed to advanced technology and energy efficiency."

As part of the acquisition of the Harwich, UK-based Mann Lines, Wallenius Sol is expanding its liner service with Turku (Finland), Paldiski (Estonia), Cuxhaven, Bremerhaven (Germany), and Harwich.

In addition to the BeNeLux nations, the acquisition also offers customers a wider service network of connections with partners in major hub ports, extending the service range to Ireland, Spain, and beyond.

Published in Ports & Shipping
Jehan Ashmore

About The Author

Jehan Ashmore

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Jehan Ashmore is a marine correspondent, researcher and photographer, specialising in Irish ports, shipping and the ferry sector serving the UK and directly to mainland Europe. Jehan also occasionally writes a column, 'Maritime' Dalkey for the (Dalkey Community Council Newsletter) in addition to contributing to UK marine periodicals. 

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