The EU ETS monitoring plan is not a form to fill out. It is a living document that describes how a shipping company measures, records, and reports its CO₂ emissions — and it is the single most important compliance document a vessel operator can have.
A poorly written monitoring plan is the root cause of most EU ETS compliance failures. It leads to incorrect emissions data, verification findings, and in the worst cases, non-compliance with penalties of €100 per tonne of uncovered emissions.
This post covers what a valid EU ETS monitoring plan must include, the common mistakes that lead to verification findings, and the specific sections that most plans get wrong.
What Is a Monitoring Plan?
Under the EU ETS, every shipping company must develop and submit a monitoring plan to an accredited verifier. The plan describes the methodology the company will use to monitor and report its CO₂ emissions for each covered voyage.
The monitoring plan must be approved by the verifier before the first reporting period. Once approved, any changes to the monitoring methodology require a plan amendment.
What the Monitoring Plan Must Include
The EU ETS regulation specifies the minimum content of a monitoring plan. Here is what it must contain:
1. Company and Vessel Information
- Company name, address, and DPO (Data Protection Officer) contact
- Vessel name, IMO number, flag state, and gross tonnage
- Type of vessel (bulk carrier, tanker, container ship, etc.)
- Trading pattern description (primary routes, ports of call)
2. Monitoring Methodology
This is the most critical section of the plan. It must describe:
Data sources:
- How fuel consumption is measured (direct measurement, fuel delivery records, engine manufacturer data)
- How voyage data is collected (AIS, ship’s log, route planning software)
- How emission factors are determined (default values from the EU ETS regulation, or measured values)
Measurement methods:
- Direct measurement: fuel flow meters on each fuel line (±5% accuracy)
- Fuel delivery records: bunker delivery notes with measured quantities (±15% accuracy)
- Engine manufacturer data: rated fuel consumption at specific loads (±10% accuracy)
Quality assurance:
- Procedures for data validation and error correction
- Procedures for handling missing or incomplete data
- Procedures for data retention and document management
3. Roles and Responsibilities
The plan must assign specific responsibilities:
- Who collects the data? (typically the chief engineer or designated crew member)
- Who verifies the data? (typically the master or DPA)
- Who submits the report? (typically the DPA or compliance officer)
- Who is responsible for data protection? (the DPO)
4. Reporting Timeline
The plan must include a timeline for each reporting step:
| Step | Timeline | Responsible |
|---|---|---|
| Data collection | Continuous | Chief engineer |
| Data verification | Monthly | Master |
| Report preparation | Quarterly | DPA |
| Verifier submission | September 30 (annual) | DPA |
| EUA surrender | September 30 (annual) | Company |
5. Data Retention
The plan must describe how data is stored and retained:
- Electronic records: cloud-based or local server storage
- Physical records: bunker delivery notes, fuel analysis certificates
- Retention period: minimum 3 years (recommended 5 years)
- Access control: who can access the data and make changes
What Most Monitoring Plans Get Wrong
Mistake 1: Using Default Emission Factors Without Justification
The EU ETS regulation provides default emission factors for different fuel types. Most plans use these default values without justifying why measured values are not available.
The correct approach: If the company has fuel analysis certificates from bunker suppliers, it must use the measured emission factors from those certificates. Default emission factors can only be used when measured data is genuinely unavailable.
Mistake 2: Incorrect Fuel Measurement Method
The plan must specify the measurement method for each vessel. Many plans list “direct measurement” as the method when the vessel does not have fuel flow meters.
The correct approach: The measurement method must match the actual equipment on board. If the vessel uses fuel delivery notes, the method is “fuel delivery records” (±15% accuracy). If the vessel has fuel flow meters, the method is “direct measurement” (±5% accuracy).
Mistake 3: Incomplete Voyage Coverage
The plan must describe how all voyages are covered — including voyages where the vessel operates partially within EU waters and partially outside.
The correct approach: The plan must describe the voyage segmentation methodology — how the company determines which voyages are intra-EU (100% EU ETS coverage) and which are extra-EU (50% EU ETS coverage).
Mistake 4: No Data Quality Procedures
Many plans omit the data quality section entirely or provide a generic statement (“data will be validated”). The plan must describe specific procedures:
- How missing data is handled (estimation method, source of estimate)
- How data errors are detected and corrected
- How data anomalies are investigated and resolved
Mistake 5: Outdated Vessel Information
Plans that are not updated when vessel information changes (flag state change, gross tonnage change, trading pattern change) are non-compliant.
The correct approach: The plan must include a review procedure — the DPA must review the plan annually and update it when any vessel information changes.
The Verification Process
The verifier reviews the monitoring plan for compliance with the EU ETS regulation. Common verification findings:
- Insufficient monitoring methodology description — the plan does not describe the measurement method in sufficient detail
- Missing data quality procedures — the plan does not describe how data quality is ensured
- Incomplete voyage coverage — the plan does not describe how all voyages are monitored
- Incorrect emission factors — the plan uses default emission factors without justification
- Missing roles and responsibilities — the plan does not assign specific responsibilities
The Monitoring Plan Amendment Process
If any aspect of the monitoring methodology changes, the company must submit an amendment to the verifier. Common triggers for amendment:
- Change in measurement method (e.g., from fuel delivery records to direct measurement)
- Change in vessel trading pattern (e.g., from extra-EU to intra-EU)
- Change in fuel type (e.g., from VLSFO to LNG)
- Change in company structure (e.g., change of ISM manager)
The amendment process typically takes 2–4 weeks.
The Bottom Line
The EU ETS monitoring plan is the foundation of compliance. A poorly written plan leads to incorrect emissions data, verification findings, and potential non-compliance. The most common mistakes — using default emission factors without justification, incorrect measurement methods, incomplete voyage coverage, missing data quality procedures, and outdated vessel information — are all preventable with careful attention to the regulatory requirements.
The cost of a professionally developed monitoring plan is a fraction of the cost of a verification finding or non-compliance penalty.
Need an EU ETS monitoring plan for your fleet? Request an EU ETS Monitoring Plan from Ingeniat — fixed scope, fixed deliverable, fixed price. Clause-by-clause traceability to EU ETS regulation.