Yara Marine Technologies, a company known for its portfolio of green technologies, presents the FuelOpt system as an excellent option to enable Shaft Power Limitation (ShaPoLi) in accordance with the IMO’s upcoming EEXI framework. A preliminary assessment carried out by DNV confirms this statement.
Per Bjärkby, Chief Technology Officer at Yara Marine Technologies, reveals: “Our understanding of the IMO’s EEXI guidelines shows that our FuelOpt technology is already meeting ShaPoLi requirements. We are proactively engaged in the approval process together with DNV in order to obtain class approval as soon as possible.”
Mikael Johansson at DNV confirms: “We are in close discussions with Yara Marine regarding EEXI compliant technologies and the FuelOpt technology’s capability of meeting ShaPoLi requirements.”
The IMO’s Energy Efficiency Existing Ship Index (EEXI), which is the next evolution in the IMO’s Energy Efficiency Design Index (EEDI), will come into force on January 1st, 2023. It is aimed at any existing vessels which have so far escaped the impact of EEDI requirements. Suggested measures for EEXI include engine power limitation (EPL), ShaPoLi, propulsion optimization, and energy-saving devices. Among these, derating the engine power output via EPL or ShaPoLi is likely to be the primary measure implemented for the reduction of greenhouse gas (GHG) emissions.
A comprehensive solution for EEXI
“Our FuelOpt system has had the proven functionality to limit shaft power since 2013 and provides a log of the propulsion data. It can help ship operators to comply with upcoming EEXI regulations while also enhancing vessel operational efficiency,” said Mikael Laurin, Managing Director of Vessel Optimization at Yara Marine Technologies.
FuelOpt also offers the additional benefit of not impeding regular operations. “FuelOpt doesn’t require an on board pre-visit and the installation can be completed at a port call,” Laurin added. The system enables ship operators to set an upper limit to shaft power output without any modification to the existing machinery, aligning daily operations with what is stipulated in the EEXI requirements.
The use of ShaPoLi can be overridden in an emergency, enabling the crew to access to the engine’s full power. As a result, it maximizes cost and time savings while streamlining efficiency and maintaining safety standards. Moreover, FuelOpt avoids a significant hurdle to implementation by offering the simpler alternative of ShaPoLi.
FuelOpt logs all necessary engine parameters and stores these in the performance management and reporting software Fleet Analytics. This software enables reports of when, where, and why excessive power may have been used during a certain event, as mandated by the EEXI framework.
Impact on the global trading fleet
Given the approaching regulatory deadline, the vast majority of the maritime sector may find it a difficult task to achieve EEXI compliance. Currently, DNV estimates that approximately 80% of the global trading fleet will need to undertake technical upgrades to meet the minimum energy efficiency standards set in EEXI. With certain sectors suffering financial setbacks during the pandemic, complex and cost-intensive solutions are unlikely to be favored within the industry for the time being.
