Open consultation

SAF revenue certainty mechanism: levy design

• From: Department for Transport
• Published: 16 October 2025

Summary

Seeks views on the aviation fuel supplier levy design, which will fund the sustainable aviation fuel (SAF) revenue certainty mechanism.

This consultation closes at
11:59pm on 8 January 2026

Consultation description

Government has previously confirmed that industry should fund the revenue certainty mechanism through a variable levy on aviation fuel suppliers.

This consultation seeks views on specific design features of the aviation fuel supplier levy, which will fund the sustainable aviation fuel (SAF) revenue certainty mechanism.

The design features of the levy include:

• how it could be calculated
• the length, frequency and sequence of when the levy is calculated, collected and paid
• the use of forecasts to provide certainty for industry
• actions to address over-collection, surpluses and under-collection of the levy

Documents

SAF revenue certainty mechanism: levy design

PDF, 389 KB, 39 pages

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Ways to respond

Respond online

or

Complete a response form and either

Email to:

LowCarbonFuel.Consultation@dft.gov.uk

Write to:

SAF commercialisation team, low carbon fuels
Department for Transport
Great Minster House
33 Horseferry Road
London, SW1P 4DR

Published 16 October 2025