KETEP 세계에너지시장정보

Executive summary.................................................................................................................. 7
Introduction............................................................................................................................. 11
Hydrogen and its derivatives in a net zero energy system ............................................... 13
Hydrogen today..................................................................................................................... 14
The role of hydrogen, ammonia and hydrogen-based fuels in the transition to net zero..... 15
Trade of hydrogen, ammonia and hydrogen-based fuels..................................................... 20
The cost of hydrogen supply................................................................................................. 22
Accelerating deployment to meet ambitions......................................................................... 28
Clear hydrogen definitions to address deployment barriers................................................. 30
International co-operation to facilitate deployment............................................................... 31
Defining hydrogen according to its emissions intensity................................................... 33
Introduction ........................................................................................................................... 34
Elements of regulations and certification systems for hydrogen.......................................... 36
The emissions intensity of hydrogen production routes ....................................................... 38
Emissions intensity and costs of hydrogen production in IEA scenarios ............................. 52
Towards an international emissions accounting framework to define hydrogen .......... 59
Considerations for an international accounting framework .................................................. 60
Avenues for implementation ................................................................................................. 70
Practical considerations for effective implementation .......................................................... 76
Considerations for the G7..................................................................................................... 83
Annex....................................................................................................................................... 86
Abbreviations and acronyms................................................................................................. 86
Units of measure................................................................................................................... 87