The Commission shall assess the Union's 2030 headline targets on energy efficiency set in Article 1(1) with a view to submitting a legislative proposal by 2023 to revise those targets upwards in the event of substantial cost reductions resulting from economic or technological developments, or where needed to meet the Union's international commitments for decarbonisation.
Déanfaidh an Coimisiún príomhspriocanna 2030 an Aontais do maidir le héifeachtúlacht fuinnimh a leagtar síos in Airteagal 1(1) a mheas d'fhonn togra reachtach a tharchur faoi 2023 chun na spriocanna sin a choigeartú suas i gcás laghduithe suntasacha costais mar thoradh ar fhorbairtí eacnamaíocha nó teicniúla, nó i gcás inar gá chun gealltanais idirnáisiúnta an Aontais le haghaidh dícharbónú a chomhlíonadh.