Transport · EU Taxonomy Activity Guide

Maritime shipping under the EU Taxonomy

Shipping’s Taxonomy criteria run on two tracks: zero direct emission vessels qualify outright, while conventional tonnage has time-limited transitional routes built on efficiency performance, design requirements and dual-fuel readiness. For owners, charterers and ship financiers, the assessment turns on vessel-level technical data that the industry already produces.

Activity ID

CCM 6.10 / 6.11

NACE code

H50.1 / H50.2

Objective

Climate change mitigation

Sector

Transport

Most shipping criteria are explicitly transitional and time-limited: interim thresholds for conventional tonnage tighten or expire on fixed dates as zero-emission propulsion scales, so registration dates and assessment timing genuinely matter in this sector.

Why this activity matters

Maritime transport carries most of world trade and faces a hard decarbonisation path, reflected in IMO measures, FuelEU Maritime and the EU ETS extension to shipping. The Taxonomy’s criteria sit on top of this machinery: they reference the industry’s own efficiency metrics (such as the EEDI design index) and reward vessels that are demonstrably ahead of the fleet, zero-emission capable, or being retrofitted toward it.

Ship finance is where these criteria bite: green loans, sustainability-linked facilities and green bonds referencing Taxonomy alignment are now standard structures in maritime lending, and the sector’s transitional criteria make timing part of the analysis, a vessel aligned under an interim threshold today may need reassessment as thresholds step down. Retrofit CapEx (energy efficiency technologies, dual-fuel conversion) is separately assessable, which matters for financing modernisation programmes.

What alignment requires

Two qualifying tracks, plus retrofit routes. In summary:

Area	What is required (summarised)
Zero-emission vessels	Vessels with zero direct tailpipe CO2 emissions (battery, hydrogen or similar propulsion) qualify outright, including where a vessel derives a defined high share of energy from zero-emission sources.
Transitional thresholds	Conventional vessels qualify through time-limited routes: efficiency ahead of the applicable EEDI reference requirements, defined dual-fuel or clean-fuel operation shares, and calendar-limited eligibility windows that step down over time.
Retrofits	Retrofit investments qualify where they deliver defined efficiency improvements or enable zero/low-emission operation, evidenced by before/after technical assessment.

Summarised for orientation; the assessment itself applies the full criteria text of the Delegated Acts as amended.

Where DNSH scrutiny falls

Water & marine environment

The sector-defining DNSH: ballast water convention compliance, anti-fouling controls, and discharge management under MARPOL.

Circular economy

Ship recycling: compliance with the EU Ship Recycling Regulation and an inventory of hazardous materials.

Pollution

Air emissions beyond CO2: sulphur limits, NOx tier compliance, and where applicable scrubber discharge rules.

Climate adaptation

CRVA proportionate to operations; route and port exposure to climate hazards for scheduled services.

Documentation that typically supports the assessment

Vessel particulars: type, build year, propulsion and fuel arrangement
EEDI/EEXI technical files and efficiency certificates
Fuel consumption and operational data (e.g. under MRV/DCS reporting)
Ballast water, MARPOL and ship recycling regulation certificates
For retrofits: the technical before/after assessment of the measure

How Censatim assesses it

Shipping assessments are vessel-by-vessel and date-aware: our questioning fixes the vessel’s type, build date and propulsion first, because those determine which track and which threshold vintage applies, then works through the efficiency evidence and the marine-specific DNSH set. Fleet and portfolio requests aggregate vessel-level results, matching how ship finance reports.

Censatim is an expert-built EU Taxonomy assessment tool: describe the asset or activity in plain language, upload supporting documents, and answer a short set of targeted questions. The result is a criterion-by-criterion view with an In-line / Partial / Not aligned / Undetermined rating and a confidence level for each dimension. See the full methodology.

Frequently asked questions

Can conventional fuel-oil ships qualify under the EU Taxonomy?

Only through the transitional routes, which are time-limited: efficiency ahead of the applicable EEDI reference, defined clean-fuel operation shares, or qualifying retrofit programmes, within eligibility windows that step down. Zero direct emission vessels qualify outright without time limits.

What is EEDI and why does it matter for Taxonomy alignment?

The Energy Efficiency Design Index is the IMO’s design-efficiency metric for ships. The Taxonomy’s transitional shipping criteria are framed against EEDI reference requirements, so a vessel’s EEDI technical file is core alignment evidence.

Do ship retrofits qualify for the EU Taxonomy?

Yes, retrofit CapEx qualifies where the measure delivers defined efficiency improvements or enables low/zero-emission operation, evidenced by technical before/after assessment. This is how modernisation programmes are financed against Taxonomy-aligned CapEx.

Why do shipping assessments depend on dates?

Because the transitional criteria carry fixed calendar windows and stepping thresholds. A vessel’s build date and the assessment date both affect which requirements apply, and an alignment conclusion under an interim threshold should be revisited as windows close.

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