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Green Tariff

PLA Green Tariff Scheme

On the 1st January 2017 the Port of London Authority (PLA) introduced a discount on port charges for vessels with lower emissions, where the vessels meet an Environmental Shipping Index (ESI) score of 30, or above. The ESI, developed by the World Ports Climate Initiative (WPCI), ranks ships' environmental performance based on factors including emissions of nitrogen oxide, sulphur oxide, and carbon dioxide. It gives a ready reckoner rating for ships that perform better in reducing emissions than the current International Maritime Organisation emission standards.

This Green Tariff will make the Port of London the first UK port to recognise ship owners committed to progressively improving the environmental performance of their fleet. Eligibility for the Green Tariff is based on a ship's individual score under the Environmental Ships Index (ESI).

The ESI, developed by the World Ports Climate Initiative (WPCI), ranks ships' environmental performance based on factors including emissions of nitrogen oxide, sulphur oxide, and carbon dioxide. It provides a rating for ships that outperform the current International Maritime Organisation emission standards.

In 2017, qualifying vessels have the potential to receive a 5% discount on Thames Vessel Conservancy Charges (excluding the Estuary Charge). To qualify, a vessel must be registered under the ESI scheme and have an ESI score of 30 points or greater. There will be no cap on discounts received in 2017. (Please note the PLA reserve the right to amend these details at the annual review.)

Membership of the ESI scheme is free of charge to ship owners. Once data is submitted, the score is automatically calculated and maintained. The ESI vessel list is updated on the first of each quarter and supplied to the PLA. Discounts will be automatically applied to the vessel conservancy invoices of compliant vessels once that vessel appears on the list. The removal of a ship from the list is recorded immediately and discounts will accordingly be stopped in the same way.

If you require more information on how the scores are calculated, this can be found on the ESI website: http://www.environmentalshipindex.org.