Judgment of the Court (Fourth Chamber) of 28 May 2020.#Syndyk Masy Upadłości ECO-WIND Construction S.A. w upadłości anciennement v Samorządowe Kolegium Odwoławcze w Kielcach.#Request for a preliminary ruling from the Wojewódzki Sąd Administracyjny w Kielcach.#Reference for a preliminary ruling – Directive (EU) 2015/1535 – Standards and technical regulations – Wind generators – Directive 2006/123/EC – Concept of ‘service’ – Environment – Directive 2009/28/EC – Promotion of the use of energy from renewable sources – Mandatory national overall targets – National rule on the authorisation procedures applicable to plants for the production of electricity from renewable energy sources – Proportionality – Legislation of a Member State laying down restrictions on the location of wind turbines.#Case C-727/17.