AER - Attained vs Required

Attained AER (Annual Efficiency Ratio) vs required benchmark - precursor metric to CII.

AERcarbon intensityReporting

Annual fuelt/yr

C_F

DWTdwtDistancenmReference AER

Attained AER: 5.36gCO₂/dwt·nm

Vs reference: 27.6%

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

AER = \frac{\sum F_i C_F \cdot 10^6}{DWT \cdot D}

Symbol	Meaning	Unit
$F_i$	Fuel type i consumption	t
$C_F$	Fuel CO₂ factor	tCO₂/tfuel

Source: MEPC.337(76) / Poseidon Principles

In short

Attained AER (Annual Efficiency Ratio) vs required benchmark - precursor metric to CII.

Learn the theory BIMCO CII and Emissions Clauses