Case C-148/23, Gestore dei Servizi Energetici: Judgment of the Court (Seventh Chamber) of 27 June 2024 (request for a preliminary ruling from the Consiglio di Stato – Italy) – Gestore dei Servizi Energetici SpA – GSE v Erg Eolica Ginestra Srl and Others (Reference for a preliminary ruling – Environment – Directive 2009/28/EC – Article 1 – Article 3(3)(a) – Principles of legal certainty and the protection of legitimate expectations – Charter of Fundamental Rights of the European Union – Article 16 – Promotion of the use of energy from renewable sources – Alteration of the applicable support scheme – Grant of the aid concerned subject to the conclusion of contracts)