European buildings represent 40% of final energy consumption and 36% of GHG emissions related to energy, making them a priority axis for decarbonisation. For the EU, it is urgent to reduce buildings’ energy consumption, especially since 75% of existing buildings are reportedly energy inefficient (i.e. EPC band C or lower according to the SFDR) and require energy renovation work. To act on these issues, one of the main regulatory levers available to the EU is the Energy Performance Building Directive (EPBD). This directive requires EU countries to ensure that by the end of 2020, all newbuilds are nearly zero energy buildings (NZEB). This EU standard relies on two main pillars: a strong energy performance and the local production of renewable energy.

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