EEXI, EVDI and EEDI, all inclusive


RightShip pursues its zero harm vision for the maritime industry by upgrading its GHG rating to incorporate the new regulations introduced by the International Maritime Organization (IMO) in 2023.

In the first quarter of 2023, the GHG scoring methodology will be updated to incorporate Energy Efficiency Index of Existing Ships (EEXI) values. RightShip’s proprietary GHG assessment algorithm already uses data and results from both Existing Vessel Design Index (EVDI)or the Energy Efficiency Design Index (EEDI) to generate a simple A – G rating of the theoretical CO₂ emissions of a peer group of ships of similar size and type.

RightShip’s GHG assessment methodology focuses on a vessel’s inherent potential performance based on its design, providing a solid basis for charterers and owners to make decisions. EEXI rates theoretical CO₂ emissions based on vessel design, naturally complementing the GHG rating established by RightShip, which compares the theoretical CO₂ emissions of a peer group of vessels of similar size and type, on the basis of either the Existing Vessel Design Index (EVDI) or the Energy Efficiency Design Index (EEDI).

Currently, 46,810 vessels on the RightShip platform have a GHG rating, with approximately 180 charter clients leveraging the valuable environmental rating in their due diligence processes in the past year alone. As regulations become more complicated, RightShip hopes to help more customers meet their sustainability requirements.


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