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Environmental Ship Index Discount

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In the port of Rotterdam, sustainable seagoing vessels are rewarded. Vessels that score high on the Environmental Ship Index (ESI) receive a discount on seaport dues. The ESI is an international benchmark for emissions from seagoing vessels.

Aerial photo with view of Erasmus Bridge

Seagoing Vessels with access to the Environmental Ship Index (ESI), as maintained by the International Association of Ports and Harbors (IAPH) (as accessed at the website of ESI), are eligible for a discount on the sustainability component due.

Ships receive discounts on the sustainability component according to the following table:

ESI score fromESI score toNOX scoreDiscount percentage
121n/a5
2131n/a10
3141n/a60
4161n/a80
6181n/a100
81and higherto 60100
81and higherfrom 60120