Judgment of the Court (Fifth Chamber) of 3 December 2020.#Repsol Petróleo, SA v Administración General del Estado.#Request for a preliminary ruling from the Tribunal Supremo.#Reference for a preliminary ruling – Directive 2003/96/EC – Taxation of energy products and electricity – Article 21(3) – Absence of chargeable event giving rise to taxation – Consumption of energy products within the curtilage of an establishment in which they were produced for the production of final energy products from which non-energy products are also inevitably produced.#Case C-44/19.