measures to optimise the use of energy and promote energy efficiency, in line with Article 3(11) of Directive 2009/72/EC and Article 3(8) of Directive 2009/73/EC.
bearta chun úsáid fuinnimh a bharrfheabhsú agus éifeachtúlacht fuinnimh a chur chun cinn, i gcomhréir le hAirteagal 3(11) de Threoir 2009/72/CE agus le hAirteagal 3(8) de Threoir 2009/73/CE;