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The Renewable Transport Fuel Obligations (Sustainable Aviation Fuel) Order 2024

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4 Determination of amounts of sustainable aviation fuel

(1) Subject to article 23(4), where it is shown that a person owns an amount of aviation fuel at the assessment time, it is presumed that that amount of fuel is supplied by that person at, or for delivery to, places in the United Kingdom at that time. (2) The presumption in paragraph (1) is to be displaced only if the Administrator is satisfied that the fuel will not be supplied at, or for delivery to, places in the United Kingdom. (3) In relation to sustainable aviation fuel at its assessment time, an amount of relevant sustainable aviation fuel only counts towards the discharging of a person’s SAF obligation for an obligation period if it meets the sustainability criteria. (4) For the purpose of discharging a person’s SAF obligation or of issuing SAF certificates, the amount of sustainable aviation fuel, expressed in megajoules, is the notional amount determined in accordance with the following formula— R N = ∑ i j M A i × L H V i × R F i × s i T i × C F - C S i C F - C R where— RN is the notional amount of relevant sustainable aviation fuel; i is the first consignment of relevant sustainable aviation fuel supplied during the obligation period for which the supplier has submitted an application for certificates to the Administrator in accordance with article 16; j is the final consignment of relevant sustainable aviation fuel supplied during the obligation period for which the supplier has submitted an application for certificates to the Administrator in accordance with article 16; MA is the total mass (in kilograms) of relevant sustainable aviation fuel supplied by that person during the obligation period; LHV is the lower heating value of the relevant sustainable aviation fuel; RF is the percentage of MA which is attributable to a relevant feedstock; S is the mass (in kilograms) of MA which meets the sustainability criteria; T is the mass (in kilograms) of MA which is attributable to a relevant feedstock; CF is the average lifecycle carbon intensity of fossil jet fuel equal to 89gCO2e/MJ; CS is the lifecycle carbon intensity (in gCO2e/MJ) of relevant sustainable aviation fuel supplied during the obligation period; CR is the average reference lifecycle carbon intensity of sustainable aviation fuel of 26.7 gCO2e/MJ. (5) For the purposes of paragraph (4)— (a) to the extent that relevant sustainable aviation fuel consists of energy-derived aviation fuel— (i) where the process energy used to produce the energy-derived aviation fuel is electricity that is entirely taken from the national electricity grid of the country in which the energy-derived aviation fuel is or was produced, RF is taken to be the annual average percentage of electricity for that country’s national grid which is produced from nuclear sources and renewable sources other than biomass; or (ii) if the Administrator considers that it is not appropriate to use the methodology in sub-paragraph (i) to determine the value for RF, RF is to be determined in accordance with such other methodology as the Administrator may consider appropriate in a particular case, for that portion of relevant sustainable aviation fuel; (b) where hydrogen is used for hydroprocessing during the production of aviation fuel, RF is to be determined by excluding that hydrogen; and (c) where hydrogen is physically incorporated into synthetic aviation fuel during its production, RF is to be determined by including that hydrogen. (6) Where fossil fuel is blended with other fuel, the fossil fuel proportion of the blended fuel is to be disregarded for the purposes of— (a) calculating the notional amount of relevant sustainable aviation fuel under paragraph (4); and (b) determining whether an amount of sustainable aviation fuel meets the sustainability criteria. (7) In this article— “fossil fuel” means coal, substances produced directly or indirectly from coal, lignite, natural gas, crude liquid petroleum, or petroleum products; “hydroprocessing” means refining aviation fuel using hydrogen— to remove atoms, such as but not limited to sulphur, oxygen and nitrogen, from an existing hydrocarbon molecule; or to shorten an existing hydrocarbon molecule (hydrocracking processes); “synthetic aviation fuel” means an aviation fuel in which hydrocarbons are created from a mixture of hydrogen and other molecules.

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4 Determination of amounts of sustainable aviation fuel

(1) Subject to article 23(4), where it is shown that a person owns an amount of aviation fuel at the assessment time, it is presumed that that amount of fuel is supplied by that person at, or for delivery to, places in the United Kingdom at that time. (2) The presumption in paragraph (1) is to be displaced only if the Administrator is satisfied that the fuel will not be supplied at, or for delivery to, places in the United Kingdom. (3) In relation to sustainable aviation fuel at its assessment time, an amount of relevant sustainable aviation fuel only counts towards the discharging of a person’s SAF obligation for an obligation period if it meets the sustainability criteria. (4) For the purpose of discharging a person’s SAF obligation or of issuing SAF certificates, the amount of sustainable aviation fuel, expressed in megajoules, is the notional amount determined in accordance with the following formula— R N = ∑ i j M A i × L H V i × R F i × s i T i × C F - C S i C F - C R where— RN is the notional amount of relevant sustainable aviation fuel; i is the first consignment of relevant sustainable aviation fuel supplied during the obligation period for which the supplier has submitted an application for certificates to the Administrator in accordance with article 16; j is the final consignment of relevant sustainable aviation fuel supplied during the obligation period for which the supplier has submitted an application for certificates to the Administrator in accordance with article 16; MA is the total mass (in kilograms) of relevant sustainable aviation fuel supplied by that person during the obligation period; LHV is the lower heating value of the relevant sustainable aviation fuel; RF is the percentage of MA which is attributable to a relevant feedstock; S is the mass (in kilograms) of MA which meets the sustainability criteria; T is the mass (in kilograms) of MA which is attributable to a relevant feedstock; CF is the average lifecycle carbon intensity of fossil jet fuel equal to 89gCO2e/MJ; CS is the lifecycle carbon intensity (in gCO2e/MJ) of relevant sustainable aviation fuel supplied during the obligation period; CR is the average reference lifecycle carbon intensity of sustainable aviation fuel of 26.7 gCO2e/MJ. (5) For the purposes of paragraph (4)— (a) to the extent that relevant sustainable aviation fuel consists of energy-derived aviation fuel— (i) where the process energy used to produce the energy-derived aviation fuel is electricity that is entirely taken from the national electricity grid of the country in which the energy-derived aviation fuel is or was produced, RF is taken to be the annual average percentage of electricity for that country’s national grid which is produced from nuclear sources and renewable sources other than biomass; or (ii) if the Administrator considers that it is not appropriate to use the methodology in sub-paragraph (i) to determine the value for RF, RF is to be determined in accordance with such other methodology as the Administrator may consider appropriate in a particular case, for that portion of relevant sustainable aviation fuel; (b) where hydrogen is used for hydroprocessing during the production of aviation fuel, RF is to be determined by excluding that hydrogen; and (c) where hydrogen is physically incorporated into synthetic aviation fuel during its production, RF is to be determined by including that hydrogen. (6) Where fossil fuel is blended with other fuel, the fossil fuel proportion of the blended fuel is to be disregarded for the purposes of— (a) calculating the notional amount of relevant sustainable aviation fuel under paragraph (4); and (b) determining whether an amount of sustainable aviation fuel meets the sustainability criteria. (7) In this article— “fossil fuel” means coal, substances produced directly or indirectly from coal, lignite, natural gas, crude liquid petroleum, or petroleum products; “hydroprocessing” means refining aviation fuel using hydrogen— to remove atoms, such as but not limited to sulphur, oxygen and nitrogen, from an existing hydrocarbon molecule; or to shorten an existing hydrocarbon molecule (hydrocracking processes); “synthetic aviation fuel” means an aviation fuel in which hydrocarbons are created from a mixture of hydrogen and other molecules.

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