Australia's national science agency, CSIRO, has introduced a groundbreaking solar-powered reactor at its Newcastle Energy Centre, designed to produce green hydrogen. Unlike traditional solar thermal systems, this innovative 'beam-down' solar reactor reflects sunlight onto a ground-level platform using heliostats. The system leverages doped ceria to split water into hydrogen and oxygen under concentrated solar energy, offering a more efficient and scalable method for industrial applications. The research aims to address the challenge of electrifying hard-to-abate sectors like heavy industry and transport by providing an alternative clean energy solution. By achieving potential efficiencies exceeding 20% in solar-to-hydrogen conversion, this technology represents a significant milestone in green hydrogen production. CSIRO's efforts, supported by the Australian Renewable Energy Agency, position Australia as a frontrunner in green hydrogen innovation, paving the way for emissions reduction and sustainable energy practices in challenging industrial settings. The doped ceria material used in the reactor enables a two-step thermochemical process, emitting oxygen atoms when heated and releasing hydrogen gas when introduced to steam, creating a closed-loop and reusable system for hydrogen production.