Judgment of the Court (Seventh Chamber) of 23 October 2025.#„EVN Bulgaria Toplofikatsia“ EAD v OZ.#Request for a preliminary ruling from the Rayonen sad Plovdiv.#Reference for a preliminary ruling – Energy – Promotion of energy efficiency – Directive 2012/27/EU – Article 9(3) – Transparency and accuracy of accounting for the consumption of thermal energy by the common parts – Failure to take into account the actual amount of heat supplied to each dwelling – Algorithm for allocating the cost of thermal energy consumption in co-owned buildings.#Case C-760/23.