04/10/2017 (Agence Europe) – The European Commission sent a letter of formal notice on Wednesday 4 October requesting that Spain ensure the correct implementation of Directive 2012/27/EU on energy efficiency. This directive requires member states to install individual meters or heat cost allocators to measure energy consumption and allocate the costs in multi-apartment and multi-purpose buildings where heating, cooling and/or hot water is supplied from a central/collective installation....