EU MRV - IMO DCS

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MRV and DCS – From implementation to business as usual

Both, the MRV and DCS requirements are mandatory, and are merely the first step in a larger process to collect and analyse shipping emissions data.

Below and on the following pages you will find all information about EU and UK MRV and IMO DCS.

MRV and DCS and the decarbonization journey

The EU MRV and IMO DCS have been mandatory since 2017 (MRV) and 2018 (DCS). Both are the first steps on a greater decarbonization journey for the shipping industry:  UK-MRV has emerged from the wake of Brexit and will be applicable from the 2022 reporting period. Verified EEXIs will be required from 2023. Carbon intensity indicators (CII), environmental ratings, EU-ETS and FuelEU will become applicable in the upcoming years as well.  DNV is your ideal partner to support you on your decarbonization journey. Following the developments in IMO and EU panels, we have the firsthand insights into all the upcoming requirements, to ensure that we can guide you toward verification. Stay up-to-date on the latest industry news through our related websites

From implementation to business as usual for MRV and DCS 

DNV is the biggest verifier for MRV and DCS in terms of reports verified per year. We offer you our experience and a fully digital, continuously improved verification service, including plan generator apps, clear reporting requirements, data quality checks and many other features, supporting you in achieving compliance efficiently. We provide access to a full overview of your fleet’s compliance status through your DNV Veracity portal. Below and on the following pages you will find relevant information about the MRV and DCS regulations, as well as about DNV’s related services. Our comprehensive FAQs provide you with answers to most questions, so make sure to have a look at those pages. If you need any assistance, we are here to assist, so please reach out.

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MRV and DCS at a glance

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MRV (Monitoring, Reporting and Verification)
DCS (Data Collection System)
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Applicability: 

MRV (Monitoring, Reporting and Verification)
Ships > 5,000 gross tonnage (GT) calling any EU ports.
DCS (Data Collection System)
Ships ≥ 5000 gross tonnage (GT) trading globally. 
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Reporting focus:
MRV (Monitoring, Reporting and Verification)
  • Distance travelled time spent at sea
  • Amount of each type of fuel consumed
    in port/at sea
  • Cargo carried
DCS (Data Collection System)
  • Distance travelled
  • Amount of each type of fuel consumed in total
  • Hours underway under own propulsion
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Reporting path:
MRV (Monitoring, Reporting and Verification)
  • Annual Emission Report to be verified by an accredited verifier - such as DNV - within EMSA's THETIS-MRV database
  • The company then submits the verified Emission Report to the European Commission via THETIS-MRV
DCS (Data Collection System)
  • Fuel oil consumption to be verified by the flag administration or Recognised Organisation (RO) - such as DNV - either annually or where there is a change of flag or owner
  • Flag state (or RO) reports the verified fuel oil consumption data to the IMO's GISIS database

Milestones – an annual cycle

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