Closed consultation

SAF revenue certainty mechanism: levy design

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

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Summary

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

This consultation ran from
10am on 16 October 2025 to 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, 365 KB, 38 pages

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Published 16 October 2025