IMO launches guide to energy efficient technologies


The International Maritime Organization has launched a guide and assessment tool to help shipowners and operators navigate the energy-efficient technologies available to them.

A Practical Guide to Selecting Energy Efficiency Technologies for Ships was published by the Global Industry Alliance to Support Low Carbon Shipping (Low Carbon GIA), as part of the GreenVoyage2050 project.

GreenVoyage2050 is a partnership between IMO and the Norwegian government, aimed at supporting the shipping industry’s transition to a low-carbon future.

The intent of the guide is to inform shipowners considering upgrades, with information on operational practices to consider when selecting technology.

David Connolly, chair of the GIA’s Low Carbon Energy Efficient Technologies and Operational Best Practices working group, said performance transparency is one of the biggest barriers to adopting energy-efficient technologies for ships.

“We hope that the publication of this guide and the accompanying tool will help ship owners and operators, especially those with limited in-house technical services, to assess the energy saving potential of energy efficiency and to enable a more informed comparison between different technologies,” he said.

According to the IMO, the guide provides a methodology for screening technologies based on a set of eight assessment criteria.

It covers similarity, plausibility, correctness, global and specific volume commands, repeat commands, consistency and compatibility.

The guide is accompanied by an Excel-based assessment tool designed to be user-friendly and not require specialist technical knowledge.

The tool uses a ‘traffic light’ scoring system to help refine and rank the technology based on the level of confidence shipowners have in their ability to meet the performance claimed by the supplier.

Although the guidance is primarily aimed at shipowners and operators, the IMO said equipment and technology suppliers can also use the methodology and assessment tool to increase confidence in their claims of performance.


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