The Series A round, led by venture capital firm DCVC, with participation from Breakthrough Energy Ventures and Black Venture Capital Consortium, will support the construction of the company's 1 MWh-e ...
Massachusetts-based Fourth Power is working on a big first for thermal batteries. It all centers on a fascinating molten-hot process that involves temperatures almost half as hot as the sun, according ...
The firm has proved its thermal batteries can store energy in carbon blocks. It will use this latest round to scale commercial viability. Fourth Power, maker of thermal batteries, raised a $19 million ...