Judgment of the Court (Tenth Chamber) of 13 June 2024.#A. S.A. v Dyrektor Izby Administracji Skarbowej w Bydgoszczy.#Request for a preliminary ruling from the Naczelny Sąd Administracyjny.#Reference for a preliminary ruling – Directive 2003/96/EC – Article 2(4)(b), third indent – Article 17(1)(a) – Excise duty – Taxation of energy products and electricity – Electricity used in electrolysis – Tax reductions on the consumption of energy products and electricity for energy-intensive businesses – Purchase of energy products and electricity – Actual cost of energy purchased – Distribution tariffs – Criteria for exemption – Principle of equality and non-discrimination.#Case C-266/23.