GreenHy2 Limited (ASX:H2G) is an Australia-based clean energy company that develops and delivers engineering solutions for renewable energy storage, with specific expertise in solid-state hydrogen storage for fuel cells and hydrogen gas applications. Incorporated in 1969 and headquartered in Sydney, the company offers advanced energy storage technologies including solid-state hydrogen storage batteries supported by 100% renewable generation; HY2 energy systems such as H2G MINI (425 kWh storage), MIDI (2 MWh storage), and MAXI (4 MWh or 250 kg hydrogen storage), with scalable tower systems; GKN HY2 Connect, a digital platform providing big data, artificial intelligence control, simulation, and predictive modeling; PowerSafe Sodium-Ion home batteries for residential solar storage emphasizing fire safety, affordability, 20-year longevity, and sustainability; and Supercapacitor-based solutions for grid stabilization and telecommunications. It serves residential, commercial, industrial, utility, infrastructure, power, and telecom sectors primarily in Australia, with products designed for stacking to meet varying storage needs. Recent developments include the unveiling of its ground-breaking PowerSafe Sodium-Ion home battery platform; an exclusive manufacturing, supply, and integration deal with GKN Hydrogen for hydrogen metal storage; and a March 2025 technology agreement with European supplier H2Core for advanced storage technologies, alongside new contracts enhancing its renewable energy offerings.