Provided that Member States achieve at least their cumulative end-use energy savings obligation referred to in point (b) of the first subparagraph of paragraph 1, they may calculate the required amount of energy savings by one or more of the following means:
Ar choinníoll go mbaineann na Ballstáit amach, ar a laghad, a n-oibleagáid maidir le coigilteas carnach fuinnimh críochúsáide dá dtagraítear i bpointe (b) den chéad fhomhír de mhír 1, féadfaidh siad méid an choigiltis fuinnimh a cheanglaítear a ríomh trí cheann amháin nó níos mó de na modhanna seo a leanas: