Member States should compile the data on natural gas and electricity prices by using the most appropriate sources and methods to provide the required information.
Ba cheart do na Ballstáit na sonraí i dtaobh praghsanna gáis nádúrtha agus leictreachais a thiomsú trí úsáid a bhaint as na foinsí agus na modhanna is iomchuí chun an fhaisnéis is gá a sholáthar.