Directive (EU) 2023/1791 of the European Parliament and of the Council of 13 September 2023 on energy efficiency and amending Regulation (EU) 2023/955 (recast) (Text with EEA relevance) Basic information Dates Date of document: Date of publication: Date of effect: October 10, 2023 Entry into force - Date pub. +20 See Art 39 June 30, 2024 Application - Partial application See Art 39 October 12, 2025 Application - Partial application See Art 39 Date of transposition: January 11, 2024 February 1, 2024 May 15, 2024 December 31, 2024 October 11, 2025 Deadline: April 30, 2024 October 31, 2025 February 28, 2027 October 31, 2032 Modified by Modified by: All documents based on this document: Modifies Modifies: Repeal: Directive (EU) 2019/944 of the European Parliament and of the Council of 5 June 2019 on common rules for the internal market for electricity and amending Directive 2012/27/EU (recast) (Text with EEA relevance.) Directive (EU) 2018/844 of the European Parliament and of the Council of 30 May 2018 amending Directive 2010/31/EU on the energy performance of buildings and Directive 2012/27/EU on energy efficiency (Text with EEA relevance) Council Directive 2013/12/EU of 13 May 2013 adapting Directive 2012/27/EU of the European Parliament and of the Council on energy efficiency, by reason of the accession of the Republic of Croatia Directive 2012/27/EU of the European Parliament and of the Council of 25 October 2012 on energy efficiency, amending Directives 2009/125/EC and 2010/30/EU and repealing Directives 2004/8/EC and 2006/32/EC Text with EEA relevance Regulation (EU) 2018/1999 of the European Parliament and of the Council of 11 December 2018 on the Governance of the Energy Union and Climate Action, amending Regulations (EC) No 663/2009 and (EC) No 715/2009 of the European Parliament and of the Council, Directives 94/22/EC, 98/70/EC, 2009/31/EC, 2009/73/EC, 2010/31/EU, 2012/27/EU and 2013/30/EU of the European Parliament and of the Council, Council Directives 2009/119/EC and (EU) 2015/652 and repealing Regulation (EU) No 525/2013 of the European Parliament and of the Council (Text with EEA relevance.) Decision (EU) 2019/504 of the European Parliament and of the Council of 19 March 2019 on amending Directive 2012/27/EU on energy efficiency and Regulation (EU) 2018/1999 on the Governance of the Energy Union and Climate Action, by reason of the withdrawal of the United Kingdom of Great Britain and Northern Ireland from the Union (Text with EEA relevance.) Commission Delegated Regulation (EU) 2019/826 of 4 March 2019 amending Annexes VIII and IX to Directive 2012/27/EU of the European Parliament and of the Council on the contents of comprehensive assessments of the potential for efficient heating and cooling Directive (EU) 2018/2002 of the European Parliament and of the Council of 11 December 2018 amending Directive 2012/27/EU on energy efficiency (Text with EEA relevance.) Affected by case Legal basis Consolidated version of the Treaty on the Functioning of the European Union PART THREE - UNION POLICIES AND INTERNAL ACTIONS TITLE XXI - ENERGY Article 194 EuroVoc Vocabulary Energy consumption Energy Reduction of gas emissions Energy use Energy efficiency Environment Security of supply Rational utilisation and conservation of energy Energy supply Adaptation to climate change EU energy policy Energy saving