Port Fee Rebate

Unified port-fee rebate calculator. Enter the ship's ESI score and port-fee structure, and the calculator returns the rebate amount at each participating port's published rate card. Rotterdam, Antwerp, Hamburg, LA/LB, Singapore all publish rebate tables tied to ESI or local equivalents.

PortRebate

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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

\text{Rebate} = \text{GT} \cdot \text{Rate} \cdot \text{Discount}(\text{ESI})

Symbol	Meaning	Unit
$GT$	Gross tonnage
$Rate$	Port fee tariff	USD / GT
$ESI$	Environmental Ship Index score	0–100
$Discount$	Port-specific % rebate by ESI band	fraction

Source: Port of Rotterdam - environmental discount scheme; Port of Antwerp-Bruges - ESI rebate; Environmental Ship Index - *environmentalshipindex.org*

In short

Compute ESI-based port-fee rebate at Rotterdam, Antwerp, Hamburg, LA/LB, Yokohama or Singapore from a ship's GT and ESI score.

Learn the theory World Port Profiles: How to Read a Port Card