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 ...

Fourth Power, Inc., a startup based in Pittsburgh, is building a thermal battery that stores surplus renewable electricity as extreme heat in carbon blocks, reaching temperatures of 2,400 degrees ...

Fourth Power says its ultra-high temperature "sun in a box" energy storage tech is more than 10X cheaper than lithium-ion batteries, and vastly more powerful and efficient than any other thermal ...

A Massachusetts-based group developing an energy storage system to support renewable energy resources is moving forward with plans for a prototype facility outside Boston. Fourth Power on Dec. 12 said ...

A Massachusetts-based group developing an energy storage system to support renewable energy resources is moving forward with plans for a prototype facility outside Boston. Fourth Power on Dec. 12 said ...

Congrats, we did it! Solar and wind are now the cheapest sources of electricity in the U.S. Now we just have to sit back and let the market do the work, right? Not so fast. It’s true that wind and ...

While TES has struggled to take off to date, US-based Fourth Power is taking a new technological approach to some of the cost and scale challenges. Its high-density TES system is based on its Guinness ...

BOSTON--(BUSINESS WIRE)--To meet the growing demand for renewable energy on the grid, Fourth Power has received $19 million in Series A funding to scale its cost-effective groundbreaking thermal ...