Rooftop solar effectively eliminated grid demand in South Australia on Saturday as it accounted for all but a few megawatts of demand in the world’s most renewable grid.
The genius part of that IMO is storing energy as cold, not just as heat.
You need a heat difference to run a heat engine, and the energy lost refrigerating the cold block is more than made up for by making the “waste heat” into usable energy.
The genius part of that IMO is storing energy as cold, not just as heat.
You need a heat difference to run a heat engine, and the energy lost refrigerating the cold block is more than made up for by making the “waste heat” into usable energy.