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UK SAF Revenue Certainty Mechanism: A Strategic Signal for Aviation Decarbonisation Investment

Executive Brief

The UK government has launched an open consultation on the proposed Sustainable Aviation Fuel (SAF) Revenue Certainty Mechanism, marking a decisive step toward de-risking private investment in low-carbon aviation fuels. For C-suite leaders across energy, aviation, infrastructure, and finance, this initiative represents more than regulatory housekeeping-it is a strategic market signal designed to unlock capital, accelerate project delivery, and position the UK as a global SAF leader.

Why This Matters to the C-Suite

SAF remains one of the most credible pathways to decarbonise aviation at scale, yet commercial deployment has been constrained by revenue volatility, price uncertainty, and long development timelines. The proposed revenue certainty mechanism directly addresses these barriers by introducing private law contracts that provide predictable cash flows for SAF producers.

For executives evaluating capital allocation, partnerships, or market entry, this consultation defines the commercial architecture that will underpin SAF deployment in the UK for the coming decade.

What the Consultation Proposes

The Department for Transport (DfT) is seeking feedback on the indicative heads of terms that will govern SAF revenue contracts, alongside options for contract allocation. The framework is designed to balance investor confidence with public value and market competition.

Key areas under consultation include:

  • Pre-operational provisions
    Timelines, milestones, protections, and conditions prior to commercial operation.
  • Eligible volumes and sustainability criteria
    Defining which SAF pathways and production volumes qualify under the mechanism.
  • Price framework design
    Establishing a reference price, supporting price discovery, and setting a strike price to stabilise revenues.
  • Billing and payment mechanics
    How payments will be calculated, settled, and governed over the contract lifecycle.
  • Contract allocation methodology
    Options for allocating contracts fairly and efficiently among competing SAF projects.

Strategic Implications

This consultation signals a clear policy shift: the UK is moving from ambition to execution in SAF deployment. By formalising revenue support through contract-based mechanisms, the government is effectively lowering the cost of capital for SAF projects and accelerating financial close.

For boards and executive teams, the implications are material:

  • Reduced investment risk for SAF production assets
  • Greater bankability of large-scale SAF projects


Enhanced confidence for long-term offtake and supply chain planning

Read about: Brazil Moves Closer to Low-Carbon Aviation with SAF Rollout

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