Member States should therefore require electricity suppliers who disclose their energy mix to final customers pursuant to Union law on the internal market for electricity, or who market energy to consumers with a reference to the consumption of energy from renewable sources, to use guarantees of origin from installations producing energy from renewable sources.
Ba cheart do na Ballstáit, dá bhrí sin, a cheangal ar sholáthróirí leictreachais a nochtann a meascán fuinnimh do chustaiméirí deiridh de bhun dhlí an Aontais maidir leis an margadh inmheánach don leictreachas, nó soláthróirí leictreachais a mhargaíonn fuinneamh le tomhaltóirí faoi threoir tomhaltais fuinnimh ó fhoinsí inathnuaite, úsáid a bhaint as ráthaíochtaí maidir le tionscnamh ó shuiteálacha a thairgeann fuinneamh ó fhoinsí inathnuaite.