Royal Decree 36/2023, of 24 January, establishing a system of Energy Efficiency Certificates 

On 26 January 2023, came into force, the Royal Decree 36/2023, of 24 January, establishing a system of Energy Efficiency Certificates (CAE System in Spain) in development of the provisions of article 71.2 of Spanish Law 18/2014, of 15 October and transposing the European Directive on Energy Efficiency (EED) into national law. The CAE System is a mechanism designed for accrediting the achievement of energy savings with the aim of contributing to the fulfilment, by 2030, of the final energy savings targets set by the EED.
The CAE System  emerge to facilitate investment in energy efficiency technologies and foster a market in this sector. This system applies to investments in every sector, not only private or public, but also industry, buildings, transport or service sector.

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