Case C-938/19: Judgment of the Court (Fifth Chamber) of 11 November 2021 (request for a preliminary ruling from the Verwaltungsgericht Berlin — Germany) — Energieversorgungscenter Dresden-Wilschdorf GmbH & Co. KG v Bundesrepublik Deutschland (Reference for a preliminary ruling — Environment — Directive 2003/87/EC — Greenhouse gas emission allowance trading scheme — Article 2(1) — Scope — Article 3(e) — Concept of ‘installation’ — Effect on emissions and pollution — Ancillary units not generating as such greenhouse gas emissions — Article 10a — Transitional rules for free allocation of allowances — Data Collection Template — Corrected eligibility ratio — Method of calculation — Decision 2011/278/EU — Third subparagraph of Article 6(1) — Export of cooling to an entity that belongs to a sector exposed to a significant risk of carbon leakage)