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FuelEU Maritime pooling guide

FuelEU Maritime pooling: rules, deadline and how it works.

A practical guide to Article 21 pooling, the annual verification cycle, cross-company pools, verifier requirements and the commercial work needed to move from a verified balance to a completed pool.

Updated 11 September 2026

30-second answer

How does FuelEU Maritime pooling work?

FuelEU Maritime pooling lets two or more ships combine their verified compliance balances for a reporting period. Ships with surplus can help offset ships with deficit, but the pool is only valid if the total pooled compliance is positive and the Article 21 allocation rules are respected. The selected verifier must record the definitive pool and ship-level allocation in the FuelEU database by 30 April of the verification period.

MechanismArticle 21 poolingTwo or more verified ship balances
Annual deadline30 AprilDefinitive pool recorded by selected verifier
Pool testTotal must be positiveAllocation must also protect deficit and surplus ships
Commercial priceNot set by regulationTerms are agreed privately between participants
FuelEU GHG intensity limits

How the FuelEU Maritime target changes over time

Article 4 starts from a fixed 2020 reference value of 91.16 gCO₂eq/MJ and applies progressively larger reductions to set the maximum annual average GHG intensity.

2020 reference value

Starting point used by Article 4

91.16gCO₂eq/MJ

Target values are calculated from the 91.16 gCO₂eq/MJ Article 4 reference value and rounded to two decimal places.

Regulation (EU) 2023/1805, Article 4 ↗

What is the annual FuelEU pooling timeline?

Each FuelEU reporting period is followed by a verification period in the next calendar year. The same core annual deadlines then apply to reporting, verification, pooling and the FuelEU document of compliance.

31 JanuaryFuelEU report to verifier

The company submits the ship-specific FuelEU report for the previous reporting period.

31 MarchVerified position recorded

The verifier notifies the company of the verified results and records the FuelEU report, verification report and required information in the FuelEU database.

30 AprilPooling finalised

The selected verifier records the definitive pool composition and allocation to each participating ship.

30 JuneFuelEU document of compliance

The verifier, or where applicable the competent authority, issues the FuelEU document of compliance when the regulatory conditions are satisfied.

There is a difference between indicating an intention to pool and finalising the pool.

The European Commission Q&A states that there is no fixed deadline for initially indicating the intention to pool. The hard regulatory date is 30 April of the verification period, when the selected verifier must record the definitive composition and allocation in the FuelEU database.

What are the Article 21 pooling rules?

Article 21 allows the compliance balances for greenhouse gas intensity, and where applicable the RFNBO subtarget, of two or more ships to be pooled. The mechanism is available to ships within the scope of FuelEU Maritime, subject to the regulation's conditions.

Worked example: surplus and deficit in one FuelEU pool

The simplest way to understand FuelEU pooling is to follow the compliance balances. The example below is illustrative and is designed only to show the Article 21 allocation logic.

Ship A+180Compliance surplus
Ship B-100Compliance deficit
Ship C-60Compliance deficit
Pool total before allocation+20

The pool is positive. An allocation could bring Ships B and C to zero while leaving Ship A with +20.

The important point is that FuelEU pooling does not create an unrestricted, free-standing credit that can simply be traded independently of the ships. The verified ship balances are combined and allocated within the regulatory pool structure.

What is the FuelEU Maritime pooling process?

A commercial agreement alone does not complete FuelEU pooling. The regulatory process depends on verified vessel balances, participant acceptance, the selected verifier and the FuelEU database record.

  1. 01
    Verify the vessel positions

    Start with the verified compliance balance for each ship and the relevant reporting period.

  2. 02
    Structure a compliant pool

    Select participating ships and an allocation that meets the Article 21 validity conditions.

  3. 03
    Agree the commercial terms

    Where different companies are involved, agree capacity, price, responsibilities, evidence and contractual terms.

  4. 04
    Record and accept the pool information

    Participating companies accept the required pool details in the FuelEU database and agree the selected verifier.

  5. 05
    Verifier confirms the allocation

    The selected verifier assesses the pool and records the definitive composition and allocation by 30 April.

Can different companies pool ships under FuelEU Maritime?

Yes. FuelEU Maritime pooling is not restricted to ships controlled by a single company. The Commission's implementation guidance explicitly addresses pools containing ships from different companies. Those companies must accept the required pooling information in the FuelEU database and agree the verifier selected for the pool.

This is where regulatory pooling becomes a commercial coordination problem as well as a compliance mechanism. Companies need confidence in the counterparty, the amount of genuine available surplus, the agreed allocation, the contract and the evidence needed to complete the transaction.

Pooling vs banking vs borrowing

FuelEU Maritime provides more than one flexibility mechanism. They solve different problems and should not be treated as interchangeable.

MechanismWhat it doesKey point
PoolingCombines verified balances of two or more ships.The total pool must be positive and Article 21 allocation rules apply.
BankingCarries an approved compliance surplus into a following reporting period.Applies to surplus that the company chooses to retain for future use.
BorrowingBrings forward an advance surplus from the following reporting period, subject to limits and a 1.1 adjustment.Article 20(2) borrowing does not apply to a ship participating in a pool for that reporting period.

How much does FuelEU Maritime pooling cost?

There is no official FuelEU pooling price in the regulation. The European Commission states that the regulation does not establish a cost for companies using pooling. Price and other commercial terms are left to private agreement between the companies participating in the pool.

In practice, a commercial decision can include the amount of verified surplus required, the agreed price, counterparty terms, timing, verifier coordination and the risk of leaving execution too late in the verification cycle. TidalIQ only presents live provider supply where genuine provider capacity exists.

What should be agreed before a pooling transaction?

A robust commercial workflow should make the regulatory position and the deal terms easy to trace. At minimum, teams should be clear on:

Pooling should stay connected to the underlying compliance position.

A spreadsheet, email thread and signed document can each hold part of the story. The execution risk comes when those pieces drift apart. The cleaner model is to keep the verified requirement, counterparty communication, agreement status and evidence connected to the same transaction.

How TidalIQ supports FuelEU pooling

TidalIQ is built around the operating workflow between compliance position and completed transaction. Fleet and vessel positions can be used to define the requirement, genuine provider supply can be compared when available, messages keep the negotiation with the transaction, agreements track commercial progression and documents preserve the evidence trail.

TidalIQ does not replace the accredited verifier or the FuelEU database. It structures the operational and commercial work around those statutory steps. See the TidalIQ platform workflow or use the FuelEU Maritime calculator to model an indicative position.

FuelEU Maritime pooling FAQs

What is FuelEU Maritime pooling?

Pooling is a FuelEU Maritime flexibility mechanism that allows the verified compliance balances of two or more ships to be combined for a reporting period. A valid pool must meet the conditions in Article 21, including a positive total pooled compliance balance.

What is the FuelEU pooling deadline?

By 30 April of each verification period, the selected verifier must record the definitive pool composition and the allocation of the total pool compliance balance to each ship in the FuelEU database. The European Commission states that there is no separate fixed deadline for initially indicating an intention to pool, but the pool must be finalised by the 30 April deadline.

Can ships from different companies join the same FuelEU pool?

Yes. Ships controlled by different companies can participate in the same pool. The participating companies must accept the required pooling information in the FuelEU database and agree the verifier selected to oversee the pooled compliance allocation.

Can a ship join more than one FuelEU pool?

No. A ship's compliance balance may not be included in more than one pool in the same reporting period.

Does FuelEU Maritime set a pooling price?

No. The FuelEU Maritime Regulation does not set a commercial price for pooling. Commercial terms are left to private agreements between the participating companies.

Can a deficit ship become more negative after pooling?

No. Article 21 requires that a ship which had a compliance deficit before allocation must not have a higher deficit after the pooled compliance balance is allocated.

Does TidalIQ replace the verifier or FuelEU database?

No. TidalIQ supports the operational and commercial workflow around fleet position, pooling supply, messages, agreements and evidence. Statutory verification and the required FuelEU database records remain with the companies and accredited verifier under the regulation.

Official FuelEU Maritime pooling references

Related FuelEU guides

This guide is general information, not legal or verification advice. Pool eligibility, allocation and deadlines should always be checked against the current regulation, European Commission guidance and the position agreed with your verifier.