Realta Fusion lights up with $9M seed for industrial heat led by Khosla Ventures

Over the last several years, fusion power has gone from the butt of jokes — always a decade away! — to an increasingly tangible and tantalizing technology that has drawn investors off the sidelines. The technology may be challenging to master and expensive to build today, but fusion promises to harness the nuclear reaction that powers the sun to generate nearly limitless energy here on Earth. If startups are able to complete commercially viable fusion power plants, then they have the potential

Sep 14, 2024

Fusion startups have raised $7.1 billion to date, with the majority of it going to a handful of companies.

Dec 31, 2025

Industrial heat, which is used by companies as diverse as breweries and food processors to chemical manufacturers and paper mills, is one of the last bastions of fossil fuels. After all, it’s pretty hard to beat a flame when you need to heat something up. But recently, a slew of startups have started exploring ways to make heat using electricity. Some, like Rondo, Antora, and Fourth Power, rely on cheap wind and solar to heat specialized bricks to thousands of degrees, storing the thermal energ

Sep 19, 2024

Commonwealth Fusion Systems will build its first commercial-scale power plant just outside of Richmond, Virginia, the company announced Tuesday, with a goal of hooking it up to the grid in the early 2030s. Fusion power has long been derided as being decades away, but the new milestone assumes the possibility of commercial operations within the next decade. That confidence is echoed by many in the field after the National Ignition Facility demonstrated two years ago that controlled fusion reacti

Dec 17, 2024