This Regulation lays down guidelines for the timely development and interoperability of the priority corridors and areas of trans-European energy infrastructure (energy infrastructure priority corridors and areas) set out in Annex I that contribute to ensuring climate change mitigation, in particular achieving the Union s 2030 targets for energy and climate and its climate neutrality objective by 2050 at the latest, and to ensuring interconnections, energy security, market and system integration and competition that benefits all Member States, as well as affordability of energy prices.