Wärtsilä Corporation, Trade Press Release, Thursday 24 July at 11:00 AM EEST
Technology group Wärtsilä’s retrofit package for the Corsica Linea ferry ‘Pascal Paoli’ has resulted in fuel savings of up to 22 percent. This significant gain in energy efficiency on each trip has been made possible by the installation of a new twin screw controllable pitch propeller (CPP) system with blades optimised for the ship’s operating profile, the Wärtsilä EnergoProFin energy saving propeller cap, a controls retrofit, and combinator curves for the ship’s various operating modes.
These upgrades, which were completed at the end of 2024, were validated through CFD (computational fluid dynamics) open water simulations, and confirmed during sea trials with the chief engineer. In monetary terms, the fuel savings equate to an estimated 7,700 US Dollars per trip. The related reduction in emissions represents a massive step in Corsica Linea’s decarbonisation journey, allowing the company to remain compliant with the stricter requirements on carbon emissions.
“We are extremely happy with the efficiency improvements resulting from this Wärtsilä retrofit package,” says Xavier Esnault, Energy transition project manager at Corsica Linea. “The fuel savings are important, both from a cost perspective, as well as supporting our decarbonisation strategy to reach a reduction of 40% of our CO2 emissions by 2030.”
The ‘Pascal Paoli’ is a 174-metre long RoPax ferry operating between Marseille and Bastia. Ferries are on the front line of the energy transition and are among the first sectors to target net zero-carbon operations. At the same time, operators are expected to provide a reliable, efficient on-time service, while keeping operating costs under strict control.
“Ferry operators, such as Corsica Linea, are looking to leverage technologies that offer minimal service disruption and a maximised return on investment, all while reducing their carbon footprint. For this reason, the fuel efficiency upgrade carried out on the ‘Pascal Paoli’ was done with the aim of supporting Corsica Linea with achieving these goals,” comments Andrey Dudko, Product Manager, Propulsion – Wärtsilä Marine.
The ’Pascal Paoli’ operates with two Wärtsilä 46 engines per shaftline. It has a number of operating modes, including sailing and manoeuvring with one or two engines per shaft line. The changes resulting from the retrofit project did not impact the vessel’s manoeuvrability.
This upgrade comes at a time when ferry operators are under increasing pressure to decarbonise. The IMO’s new Net-Zero Framework through the GHG fuel intensity (GFI) provides a clear incentive for operators to invest in energy-efficiency solutions, such as the technologies leveraged for this retrofit project. By placing an explicit price on GHG emissions, the IMO has sent a strong market signal that energy efficiency technologies and alternative fuel solutions must be part of every shipowner’s toolkit. This framework encourages industry stakeholders to invest in immediate operational improvements, explore onboard abatement solutions, and accelerate the roll-out of sustainable fuels.
Media contact for more information on this release:
Isabella Alder
Positioning and Strategic Communications Manager Wärtsilä Marine
Tel: +44 (0) 7792 681 757
marine.media@wartsila.com
Image caption: Wärtsilä’s retrofit package for the Corsica Linea ferry ‘Pascal Paoli’ has resulted in fuel savings of up to 22 percent © Corsica Linea
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Wärtsilä in brief
Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. We emphasise innovation in sustainable technology and services to help our customers continuously improve environmental and economic performance. Our dedicated and passionate team of 17,800 professionals in more than 280 locations in 79 countries shape the decarbonisation transformation of our industries across the globe. In 2023, Wärtsilä’s net sales totalled EUR 6.0 billion. Wärtsilä is listed on Nasdaq Helsinki.
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Wärtsilä Marine in brief
Wärtsilä Marine is a global pioneer in power, propulsion and lifecycle solutions for the marine market. We develop industry-leading technologies, advancing maritime's transition to new fuels. We support building an end-to-end digital ecosystem where all vessels and ports are connected. Ultimately, Wärtsilä Marine is driving the shipping industry forward on its journey towards a decarbonised and sustainable future through our broad portfolio of engines, propulsion systems, hybrid technology, exhaust treatment, shaft line solutions and digital technologies, as well as integrated powertrain systems. Our offering, which is underpinned by our performance-based agreements, upgrades, lifecycle solutions, decarbonisation services, as well as an unrivalled global network of maritime expertise, delivers the efficiency, reliability, safety, and environmental performance needed to support a safe and sustainable future for our customers, our communities and our planet.
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