Carbon intensity measures including CII

1 January 2023 MARPOL carbon intensity measures including CII

Entry into effect of carbon intensity measures including CII (read more

  • On or before 1 January 2023, the Ship Energy Efficiency Management Plan (SEEMP) shall include methodology for calculating the ship’s attained annual operational CII and the required annual operational CII.
  • Operational CII – After the end of calendar year 2023 and after the end of each following calendar year, each ship of 5,000 gross tonnage and above, shall calculate the attained annual operational CII over a 12-month period from 1 January to 31 December for the preceding calendar year.
  • The Attained annual operational CII shall be documented and verified against the required annual operational CII to determine operational carbon intensity rating A, B, C, D or E, indicating a major superior, minor superior, moderate, minor inferior, or inferior performance level, either by the Administration or by any organization duly authorized by it.
  • A ship rated D for 3 consecutive years or rated as E shall develop a plan of corrective actions to achieve the required annual operational CII. 


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