Article 3 9.

Each Member State shall include in its integrated national energy and climate progress reports, in accordance with Articles 17 and 21 of Regulation (EU) 2018/1999, information on the implementation of the national targets referred to in paragraph 2, point (b), of this Article. Every two years, the Commission shall include in its annual State of the Energy Union report submitted pursuant to Article 35 of Regulation (EU) 2018/1999, an overall progress report on the renovation of the national stock of residential and non-residential buildings, both public and private, in line with the roadmaps set out in the building renovation plans, based upon the information submitted by the Member States in their integrated national energy and climate progress reports. The Commission shall monitor annually the evolution of the energy performance of the Union building stock, on the basis of best available information from Eurostat and other sources, and publish the information through the EU Building Stock Observatory.