It’s being called the world’s first commercially available energy system that uses new or existing rooftop solar panels to create and store hydrogen power in a battery about the size of a large refrigerator. Weighing 324kg, it sits outside the house or business and connects to a solar inverter and the mains water through a purification unit. Inside it, electrolysers use the … [Read more...] about Aussie company develops world’s first domestic hydrogen battery