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Energy Efficiency Directive (EU) 2023/1791
Legislation

Energy Efficiency Directive (EU) 2023/1791

EU directive setting binding energy efficiency targets and obligations for member states.

The Energy Efficiency Directive is being cut into by EU gas-market law from 5 August 2026, when Article 93 of Directive (EU) 2024/1788 deletes its Articles 17 and 19 and replaces part of Article 39.

Last refreshed: 3 August 2026 · Appears in 1 active topic

Key Question

Why is the Energy Efficiency Directive being amended in August 2026?

Timeline for Energy Efficiency Directive (EU) 2023/1791

#32 4 Aug

Article 93 will bite on Wednesday

European Energy Markets
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Background

Directive (EU) 2023/1791, the Energy Efficiency Directive, sets binding EU-level energy efficiency obligations and targets for member states. From 5 August 2026, Article 93 of the separate gas-market Directive (EU) 2024/1788 takes effect by force of that directive's own Article 96, deleting the Efficiency Directive's Articles 17 and 19 and replacing part of Article 39. The change applies at EU level regardless of any individual member state's transposition status.

The amending directive's own Article 94 sets 5 August 2026 as the Deadline for national transposing measures across a separate set of provisions: unbundling, TSO and DSO certification, third-party access, tariff principles, network development planning, storage and LNG access, and supplier switching. As of 3 August 2026, Portugal and Slovakia had notified the European Commission of transposing measures; notification records lag legislative timelines and do not by themselves indicate whether other member states have acted.

Common Questions
When does Article 93 of Directive 2024/1788 take effect?
Article 93 takes effect on 5 August 2026, regardless of national transposition status.Source: EU Official Journal
Why does the Energy Efficiency Directive change without national transposition?
Article 93 of the amending directive takes effect by force of its own Article 96, so it applies across the EU regardless of what member states have transposed.Source: EU Official Journal
What changes on 5 August 2026 for the Energy Efficiency Directive?
Article 93 of Directive (EU) 2024/1788 takes effect and deletes Articles 17 and 19 of the Energy Efficiency Directive, replacing part of Article 39.Source: EU Official Journal
Which EU countries have transposed the Energy Efficiency Directive amendments?
As of 3 August 2026 only Portugal and Slovakia had notified the European Commission of transposing measures, with 25 member states yet to file.Source: European Commission