A pilot plant in Adelaide, Australia, has been launched with the goal of revolutionizing the production of green hydrogen. The green hydrogen reactor, utilizing photocatalytic water splitting technology developed by University of Adelaide professor Greg Metha, aims to separate hydrogen from water molecules using pure sunlight. This project, spearheaded by Sparc Technologies, aims to address the high costs associated with green hydrogen production by utilizing sunlight instead of electrolysers. The facility, jointly owned by Sparc Technologies, Fortescue, and the University of Adelaide, will test different photocatalysts and reactor configurations after its commissioning in July. The project is part of a larger effort to commercialize green hydrogen technology that can produce hydrogen without relying on electrolysers and massive amounts of wind and solar power. Researchers see this technology as a significant advancement in clean energy, but it faces challenges in efficiency, cost-effectiveness, and scalability. Despite these challenges, the project represents a positive step towards sustainable and cost-effective hydrogen production, with the ultimate goal of achieving a 5% solar-to-hydrogen efficiency.