ContentsThe Energy Transitions Commission 2Our Commissioners 3Glossary 6IntroductionChapter 112A vision for 2050: Hydrogens role in a zero-carbon, deeply electrified economyI.Potential demand growth14Hydrogens advantages and disadvantages16Hydrogens advantages and disadvantages17An illustrative scenario for hydrogen use by mid-century22II.Falling production costs and implications for the cost of decarbonisation23Options for zero-carbon hy