Sequaris
Double-Counting Removal: What Changed and Why It Matters
Under the original RED II framework, advanced biofuels such as HVO derived from waste feedstocks could count twice toward renewable-energy targets, effectively halving their compliance cost on a per-unit basis. Several EU member states have now closed that loophole in their RED III transposition legislation. The practical effect is a levelling of the playing field: HVO loses its administrative cost advantage, while Power-to-Liquid fuels produced via Fischer-Tropsch synthesis — which never benefited from double-counting — see their relative compliance cost position improve. For process engineers at facilities like INERATEC’s ERA ONE containerised PtL plant or Sunfire’s co-electrolysis units feeding syngas to Fischer-Tropsch reactors, this regulatory correction is the commercial signal they have been waiting for.
The timing is acute. BloombergNEF’s Q2 2026 data shows EU SAF spot prices already at $2,830 per tonne — up 31% against the 2026 average — partly driven by Strait of Hormuz supply disruptions tightening conventional jet-fuel markets. When conventional kerosene is expensive, the marginal abatement cost of e-SAF narrows, and the double-counting removal further compresses the gap between biogenic and synthetic pathways. Compliance and marketing directors modelling 2030–2032 procurement contracts cannot afford to treat these two variables as independent.
Fischer-Tropsch E-SAF: The Process-Engineering Case for Compliance
Fischer-Tropsch Power-to-Liquid synthesis converts green hydrogen and captured CO₂ into a synthetic crude that can be refined into fully drop-in e-kerosene. Unlike HVO, which depends on waste-lipid feedstock availability that is already capacity-constrained across Europe, FT-PtL is limited primarily by electrolyser capacity and CO₂ supply — both of which are scaling. Co-electrolysis platforms, which simultaneously split water and CO₂ into syngas at the solid-oxide cell level, eliminate a discrete CO shift-reactor stage, recovering heat that can be recycled into the overall plant energy balance. Catalyst efficiency at the FT stage — measured in terms of chain-growth probability (α-value) and selectivity toward the C8–C16 jet-cut fraction — is the key process variable that determines per-litre production cost and, therefore, compliance bid price under ReFuelEU.
With double-counting no longer inflating the effective output of competing biofuel pathways, offtake negotiators at airlines and fuel suppliers have a cleaner basis on which to compare PtL e-SAF against HVO on a genuine carbon-intensity and cost-per-tonne-CO₂-avoided metric. That is precisely the commercial environment in which modular, replicable PtL units — designed for rapid capacity addition ahead of the 2030 ReFuelEU ramp — become attractive.
2030–2032 Compliance Calendar: Immediate Actions for Directors
ReFuelEU mandates escalate through the early 2030s, and the RED III transposition changes mean that compliance strategies built around double-counted advanced biofuels may be materially under-delivering on paper targets when audited. Compliance directors should immediately audit which national frameworks their supply chains operate under, identify which feedstock pathways have lost double-counting status, and stress-test procurement models against a sustained SAF spot price above $2,800 per tonne. Marketing directors selling into airline sustainability programmes need updated lifecycle carbon-intensity certificates that reflect the new regulatory baseline — not the pre-transposition double-counting assumptions.
Power-to-Liquid capacity contracted today — through long-term offtake agreements with PtL developers — will be the supply that lands on the tarmac in 2030. The regulatory correction in RED III transposition has, counterintuitively, accelerated that commercial logic.
Sources
Featured image via Unsplash.
