OPX (2026) €95,80 $107,47 -11.79% to prev. month
EUA €68.86 $80.22 -0.86% to prev. day
cap and trade systemEmissionseu emissionseu emissions trading systemEU ETSEUAsinnovation fundtrading period
3 min read

Setting up accounts for EUAs

Shipping companies operating under the EU ETS will be required to open a Maritime Operator Holding Account (MOHA) for the transfer and surrender of EUAs to the relevant Administering Authority (AA).    Determining Your Administering Authority (AA)   Each shipping company, whether the shipowner or technical manager, will have EU ETS obligations to the AA […]

OceanScore
EU ETS compliance: Setting up a Maritime Operator Holding Account (MOHA) and Union Registry trading account for shipping companies.

Table of Contents

  1. Determining Your Administering Authority (AA)
  2. Key Deadline: MOHA Application Timing
  3. Setting Up a Union Registry Trading Account
  4. Challenges for SPV-Owned Fleets
  5. Conclusion: Act Now to Ensure EU ETS Compliance

Shipping companies operating under the EU ETS will be required to open a Maritime Operator Holding Account (MOHA) for the transfer and surrender of EUAs to the relevant Administering Authority (AA). 

 

Determining Your Administering Authority (AA)

 

Each shipping company, whether the shipowner or technical manager, will have EU ETS obligations to the AA of an EU or EEA member state. Companies registered in an EU/EEA country will be assigned to the AA of that country. Companies registered outside the EU/EEA will be assigned to the AA of the country where their ships have called most frequently over the past four years or, if this is not applicable, where their first port call has been in 2024. 

 

Key Deadline: MOHA Application Timing

 

The EU was due to publish on 1 February 2024 a list of AAs with shipping companies under their jurisdiction, and each company responsible for one or more ships under the EU ETS is required to apply for a MOHA within 40 working days of publication of this list. Any company that is not listed must itself take the necessary steps to find its AA and apply for a MOHA within this timeframe. 

 

Setting Up a Union Registry Trading Account

 

In addition, shipping companies must set up a Union Registry trading account to maintain an electronic record of their issued EUAs, ensuring transparency and accountability. Companies will have to be registered in the EU ETS to be able to receive, buy and manage EUAs, and to later surrender them to the respective AA. 

Many, especially those outside Europe, are still struggling with setting up their Union Registry accounts, but they need to act swiftly as opening such a trading account is crucial, especially for receiving EUAs from charterers. 

 

Challenges for SPV-Owned Fleets

 

This can be further complicated by the fact that many vessels are owned under Special Purpose Vehicles (SPVs) as one-ship companies held within owner groups. The requirement for owners to be legally responsible means that an account must be opened for each SPV, which can lead to tens or hundreds of accounts, possibly across different AAs, resulting in serious administrative challenges in managing all of these accounts. 

 

Conclusion: Act Now to Ensure EU ETS Compliance

 

While we believe that at least one trading account should be opened as soon as possible, managers handling vessels for multiple owners might find it beneficial to open one trading account per owner, at least for the more significant owners. This will allow them to share account statements or even provide read-only access, adding a layer of structural transparency to the proceedings.   

Related posts

fueleu charter party clausesfueleu maritime regulation
4 min read

De-Risk Your FuelEU Charter Party Clauses: Navigate Complexity with Confidence

As the maritime industry adapts to new environmental regulations, FuelEU Charter Party clauses have emerged as a significant challenge for…

OceanScore
Group of OceanScore team members and event attendees posing together at an industry event during the launch of the FuelEU Planner
BudgetingFuelEUfueleu plannerlaunchmaritime operations
4 min read

FuelEU Planner: OceanScore Launches Compliance Planning Tool for Shipping

OceanScore launches the FuelEU Planner, a tool to help shipping companies optimize compliance with FuelEU Maritime, offering simulations and budgeting…

OceanScore
3 min read

EU ETS and FuelEU Maritime: Challenges and Opportunities for Asian Shipping

Asian shipowners face unique challenges as EU ETS and FuelEU Maritime take full effect. Fewer European voyages, complex Union Registry…

OceanScore
Newsletter banner for OceanScores January 2026 Pool-Price Index Market Commentary, featuring an aerial view of a large container ship moving through the ocean.
FuelEUFuelEU PoolingOPX
2 min read

OceanScore Pool-Price Index Market Commentary: January 2026

FuelEU pooling prices declined in January 2026 as surplus volumes increased following completion of the first compliance period. OceanScore’s OPX…

Albrecht Grell
FuelEUFuelEU PoolingOPX
1 min read

OceanScore Pool-Price Index Market Commentary: August 2026

OPX falls to €118.90/tCO₂e in August as FuelEU pooling activity slows over the summer, with observed offer levels ranging from…

Albrecht Grell
The EU ETS poses a costs management challenge for shipping companies, according to OceanScore co-Managing Director Albrecht Grell.
emissions trading system euEU ETSeu ets managementfinancial blancingshipping companies
6 min read

Shipping companies must manage financial balancing act on EU ETS tightrope, says OceanScore

Shipping companies face rising costs and risks from the EU Emissions Trading System (EU ETS) in 2026, with higher carbon…

OceanScore
cargoeu emissions trading systemEuropean Commissiongreenhouse gas emissionsmaritime operationsmaritime operator holdingshipping companiesunion registry
5 min read

EU ETS Best Practices for Shipping: Lessons Learned After Implementation

OceanScore has been assessing early experiences as companies adapt to the EU ETS post-implementation, based on feedback from over 70…

OceanScore
FuelEU pooling marketplace
5 min read

Maritime Compliance Trading: Turning Emissions Rules into Carbon Opportunities and Marketplaces

The Regulatory Landscape: Fast, Complex, and Overlapping   Regulation in maritime decarbonisation continues at unrelenting speed, and with it, the…

OceanScore
4 min read

UK ETS Maritime 2026: Scope, Timeline and Compliance Checklist for Shipping Companies

The UK Emissions Trading Scheme (UK ETS) expands to maritime from 1 July 2026. This guide explains what is covered,…

OceanScore
imomaritime regulationMEPC
2 min read

OceanScore’s commentary on MEPC ES and IMO NZF

The IMO’s Net Zero Framework is effectively dead, and the broader role of the MEPC is now in question. Friday’s…

OceanScore
Turn obligation into opportunity

Turn obligation into opportunity

Explore our maritime emissions compliance solutions designed to meet evolving regulations like EU ETS, UK ETS and FuelEU Maritime.

our clients and partners