ClassNK INNOVATION / IE Notation
Nippon Kaiji Kyokai's notation family for innovative energy-efficient and environmental technologies - IE (Innovative Environmental), IEE (Energy Efficient), and specific sub-notations for wind-assist, battery, fuel cell. Growing in uptake on Japanese-flag and LNG-C fleets.
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Formula, assumptions, limits
IE notation requires all three baseline items. Sub-notations stack as comma-separated descriptors, e.g. “IE (WindAssist, OPS)”. ClassNK’s Part H Chapter 16 details the full criteria per sub-notation.
In short
Eligibility for ClassNK's IE Innovative Environmental notation and innovation sub-notations (WindAssist, Battery, FuelCell, OPS).