Judgment of the Court (Fifth Chamber) of 12 May 2022.#Servizio Elettrico Nazionale SpA and Others v Autorità Garante della Concorrenza e del Mercato and Others.#Reference for a preliminary ruling – Competition – Dominant position – Abuse – Article 102 TFEU – Effect of a practice on the well-being of consumers and on the structure of the market – Abusive exclusionary practice – Whether the practice is capable of producing an exclusionary effect – Use of means other than those coming within the scope of competition on the merits – Hypothetical as-efficient competitor unable to replicate the practice – Existence of an anticompetitive intent – Opening up of the market for the sale of electricity to competition – Transfer of commercially sensitive information within a group of undertakings in order to preserve a dominant position inherited from a statutory monopoly – Imputability of a subsidiary’s conduct to the parent company.#Case C-377/20.