Article 4 7.

The Commission shall assess by 31 December 2026 any methodological changes in the data reported pursuant to Regulation (EC) No 1099/2008, in the methodology for calculating energy balance, and in energy models for European energy use, and, if necessary, propose technical calculation adjustments to the Union’s 2030 targets with a view to maintaining the level of ambition set out in paragraph 1 of this Article.