Court of Justice 15 November 2016, C-4/16 (J. D. v Prezes Urzędu Regulacji Energetyki.)

OPINION OF ADVOCATE GENERAL CAMPOS SÁNCHEZ-BORDONA delivered on 15 November 2016 ( 1 ) Case C‑4/16 J.D. v Prezes Urzędu Regulacji Energetyki(Request for a preliminary ruling from the Sąd Apelacyjny w Warszawie (Court of Appeal, Warsaw, Poland)) ‛Environment — Directive 2009/28/EC — Renewable energy sources — Hydropower — Concept — Energy produced by a hydroelectric power station located at the