From an engineering perspective, a water tube boiler is defined by the fact that water or steam–water mixture flows inside the tubes while high-temperature flue gas passes outside the tubes. In ...

Heat batteries quietly solve a major transition gap, storing surplus renewable electricity as heat. Half of global energy demand is for heating, not power. They are simple, scalable, and far cheaper ...

Rondo Energy has announced that a 100 MWh heat battery it installed in California, powered solely by 20 MW of onsite, off-grid solar, has entered daily automatic operation. The heat battery provides ...