A successful three-year operation of a prototype reactor has demonstrated the efficient production of green hydrogen directly from sunlight and photocatalysts. This innovative approach, although less efficient than traditional methods involving photovoltaic panels, holds promise for cost-effective green hydrogen production. Green hydrogen, produced using renewable energy sources like solar or wind power, presents a cleaner alternative to grey hydrogen derived from fossil fuels. The reactor, utilizing photocatalysts to stimulate water splitting, offers a pathway to harness solar energy for chemical energy conversion and storage. While challenges such as efficiency limitations and the need for improved photocatalysts persist, researchers are optimistic about the potential of this technology. By bypassing the conversion of sunlight to electricity, the direct approach aims to lower production costs and drive the adoption of green hydrogen in various sectors including transportation and manufacturing. Efforts to enhance efficiencies and address safety concerns are central to the scalability of this technology. Researchers emphasize the importance of developing more effective photocatalysts to advance green hydrogen production. Despite the current cost disparity with grey hydrogen, ongoing research and potential breakthroughs in photocatalyst development could revolutionize the clean energy landscape. To realize the commercial viability of direct sunlight-to-hydrogen technology, researchers advocate for a global accreditation process and standardized regulations. This strategic approach is crucial for accelerating the adoption of green hydrogen and reshaping global energy infrastructure. The journey towards efficient, sustainable green hydrogen production reflects a significant step in advancing clean energy technologies and reducing reliance on fossil fuels.