Japan is set to pioneer the construction of the world's first hydrogen production facility powered by a next-generation nuclear reactor, led by the Japan Atomic Energy Agency (JAEA). The agency's innovative approach involves utilizing the High Temperature Gas Cooled Reactor (HTGR) to harness the immense heat produced for the carbon-free production of hydrogen. This initiative aligns with the global transition towards decarbonization, where hydrogen plays a vital role as a clean fuel for various sectors. The HTGR's capability to achieve extraordinarily high temperatures, surpassing conventional reactors, enables the efficient split of water molecules into hydrogen and oxygen through the sulfur-iodine cycle. By leveraging nuclear power for hydrogen production, the project aims to offer a sustainable and efficient alternative to current fossil fuel-dependent methods. The connection between the hydrogen facility and the High Temperature Engineering Test Reactor (HTTR) in Japan's Oarai will enable the circulation of high-temperature helium gas for hydrogen generation. The ambitious timeline includes securing approval for the project in 2025, commencing construction in 2026, and starting hydrogen production by 2030, with plans for commercialization in the late 2030s. This groundbreaking endeavor signifies a significant advancement in hydrogen production technology, showcasing Japan's commitment to driving innovation in the energy sector.