Maritime English
Meteorology

What is Energy Efficiency Index?

Energy Efficiency Index Calculated parameter (EEXI/EEOI) expressing CO₂ emitted per transport work, mandatory under IMO MARPOL Annex VI.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Energy Efficiency Index” Used in Practice?

Class surveyor requests updated energy efficiency index calculation before endorsing IEE certificate renewal; submit noon report data for last twelve months.

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

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Frequently Asked Questions

What is Energy Efficiency Index?

Calculated parameter (EEXI/EEOI) expressing CO₂ emitted per transport work, mandatory under IMO MARPOL Annex VI.

Where can I learn this term for free?

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