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UK ETS Aviation Compliance Guidance Updated for Aircraft Operators
The UK Government has updated its aviation compliance guidance, clarifying obligations relating to emissions monitoring, reporting, verification, regulator administration, the Manage your Emissions Trading Scheme (METS) platform, and annual allowance surrender under the UK ETS.
Update details
Full summary and practical implications
The updated guidance consolidates the complete UK ETS compliance process for aircraft operators, from determining applicability through annual reporting and allowance surrender.
Aircraft operators becoming subject to the UK ETS are reminded that an Emissions Monitoring Plan (EMP) must be submitted within 42 days of becoming regulated and must accurately describe fuel monitoring methodologies, emissions calculations and internal data management procedures.
The guidance confirms that all monitoring plan applications, variations, Annual Emissions Reports (AERs) and regulator communications are managed through the Manage your Emissions Trading Scheme (METS) platform.
Operators must continuously monitor reportable emissions throughout the calendar year in accordance with their approved Monitoring Plan and retain sufficient supporting evidence for independent verification.
Verified Annual Emissions Reports must be submitted by 31 March each year, followed by the surrender of sufficient UK Allowances (UKAs) by 30 April to cover verified reportable emissions.
Where significant operational or organisational changes occur, aircraft operators should review whether an update to their Monitoring Plan is required before continuing emissions monitoring.
The guidance also explains how aircraft operators are allocated to the appropriate UK regulator and highlights that regulator assignments for certain operators may change following allocation periods.
Key UK ETS Compliance Requirements
| Compliance Activity | Requirement | Deadline |
|---|---|---|
| Emissions Monitoring | Monitor emissions in accordance with the approved Emissions Monitoring Plan. | Continuous (1 January – 31 December) |
| Monitoring Plan | Submit an Emissions Monitoring Plan when entering the UK ETS and update it following significant changes. | Within 42 days of becoming regulated |
| Annual Emissions Report | Submit a verified Annual Emissions Report through METS. | 31 March |
| Allowance Surrender | Surrender UK Allowances equal to verified emissions. | 30 April |
| Improvement Report | Submit where requested following verification findings. | As required by the regulator |
Operator actions
What your team should do next
Review your approved Emissions Monitoring Plan to ensure it reflects current operational practices.
Confirm emissions monitoring procedures remain aligned with UK ETS guidance and the approved Monitoring Plan.
Maintain verification-ready fuel and flight activity records throughout the reporting year.
Prepare Annual Emissions Reports well before the 31 March submission deadline.
Ensure sufficient UK Allowances are available before the annual surrender deadline.
Review whether organisational or operational changes require a Monitoring Plan variation.
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