Wärtsilä Reports Fuel Savings of Over 14,000 MT With Fit4Power Solution

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  • Wärtsilä has reported fuel savings of over 14,000 metric tonnes and CO2 emission reductions of over 45,000 metric tonnes across ten vessels retrofitted with Wärtsilä’s unique Fit4Power solution.
  • Retrofit technologies, such as Wärtsilä’s Fit4Power solution, have the potential to enable compliance with the rising tide of regulatory requirements.

Since the first conversion in October 2022, technology group Wärtsilä has reported fuel savings of over 14,000 metric tonnes and CO2 emission reductions of over 45,000 metric tonnes – equivalent to the annual emissions of 17,000 cars – across ten vessels retrofitted with Wärtsilä’s unique Fit4Power solution, according to the company’s release.

Wärtsilä reports fuel savings of over 14,000 metric tonnes

With decarbonisation high on the maritime agenda, retrofit technologies, such as Wärtsilä’s Fit4Power solution, have the potential to enable compliance with the rising tide of regulatory requirements. For many ship operators and owners today, the aim is to find flexible solutions that can assure the long-term fitness of fleets in terms of both economic performance and environmental compliance.

To add to the mounting challenges, operators are having to track against tighter emissions standards such as Carbon Intensity Indicator (CII) and Energy Efficiency Existing Ship Index (EEXI). They also need to cope with disruption caused by geopolitical events and increasingly unpredictable weather conditions. Both of which are having a direct impact on fuel consumption and increase emission levels.

To mitigate these challenges and to extend the emissions-compliant lifetime of merchant vessels, Wärtsilä launched its Fit4Power solution to the commercial market in Spring 2023. The solution provides the existing two-stroke fleet with leaner, healthier and more optimised engines.

This advanced retrofit solution enables ship owners to reduce the bore size of two-stroke engines by 25 percent, enabling the engine to run at optimal loads and with outstanding fuel and combustion efficiency. This fuel efficiency in turn reduces greenhouse gas emissions. For owners, this will improve the efficiency of their existing fleet, ensuring compliance with CII regulations, and futureproofing assets against future environmental measures.

Analysis from Wärtsilä shows that without modification, more than 80 percent of the global merchant fleet could fall into the lowest CII rating by 2030, requiring mandatory corrective action and risking losing business to more efficient vessels. The Wärtsilä solution is also a step towards the economical use of alternative fuels to meet future emission reduction targets.

On a per ship basis, the annual potential savings of a vessel retrofitted with Fit4Power are estimated to be 2,000 tonnes of fuel, depending on the vessel’s operating profile, and 6,400 tonnes of CO2 emissions. In monetary terms, operating costs for a ship owner or operator could be lowered by as much as 2.18 million euros in operational expenses annually.

There are currently 30+ vessels in the scope of delivery for retrofitting with Fit4Power. Ten of these vessels are already converted and have been in operation for up to 20 months.

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Source: Wärtsilä