Greenhy2 Limited provides renewable energy solutions in Australia. It offers solid state hydrogen storage batteries; HY2 energy systems, including HY2 MINI, MEDI, and MEGA, and TOWER storage solutions; HY2 Connect, a mobile platform for real time data and alerts; and construction services across infrastructure, telecommunications, power, renewable energy, industrial, and commercial sectors. The company was formerly known as Tempo Australia Limited and changed its name to Greenhy2 Limited in November 2022. Greenhy2 Limited is based in Sydney, Australia.