Australia's premier science agency, CSIRO, in collaboration with Niigata University in Japan, has achieved a major milestone in green hydrogen production. The innovative approach involves a beam-down solar reactor developed at CSIRO's Newcastle Energy Centre, funded by ARENA. Unlike traditional concentrated solar power technology, this design concentrates sunlight onto a platform using a modified metal oxide, doped ceria, to power electrolysis and separate water into hydrogen and oxygen. The technology, demonstrating for the first time in Australia, has shown significant efficiency improvements, producing over three times more hydrogen than conventional methods. The project not only enhances renewable energy utilization but also signifies a crucial step in decarbonizing Australia's energy-intensive industries and transportation sectors. Michael Rae, a CSIRO researcher, believes that green hydrogen will play a vital role in achieving net-zero emissions by providing a reliable and cost-effective alternative to fossil fuel-based hydrogen production. The success of this new beam-down technology opens doors for further advancements in green hydrogen production and underscores the potential for sustainable industrial processes in Australia.