AER - Attained vs Required

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

AERCarbon intensityReporting

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This calculator requires JavaScript to compute its 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

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