At the 76th session of the IMO Marine Environment Protection Committee (MEPC76) held in June 2021, further amendments to MARPOL Annex VI were adopted (IMO Resolution MEPC.328(76)) to implement the Energy Efficiency Existing Ship Index (EEXI) and entered into force on 1 November 2022. This is information that IACS developed Guidelines and established as IACS Recommendation No.173 to support the Numerical Calculation such as CFD for calculating the reference speed (Vref) accepted in the IMO resolutions MEPC.350(78) and MEPC.351(78) relating to EEXI.

The IMO guidelines mentioned in this Technical Information are available on the ClassNK website's EEXI regulation section.
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For any questions about the above, please contact:

NIPPON KAIJI KYOKAI (ClassNK)
EEDI Section of Marine GHG Certification Department, Administration Center, Head Office
Address: 4-7 Kioi-cho, Chiyoda-ku, Tokyo 102-8567, Japan
Tel.: +81-3-5226-3025
Fax: +81-3-5226-3026
E-mail: eedi@classnk.or.jp