Green hydrogen, produced through the electrolysis of water using renewable energy sources like solar or wind, represents a cornerstone of the global energy transition. Unlike "grey" hydrogen derived from fossil fuels, green hydrogen emits no carbon dioxide during production, making it a vital tool for decarbonizing hard-to-abate sectors such as heavy industry, transportation, and power generation. As of January 2026, the sector is at a pivotal juncture. After years of hype an