Pacific Fusion’s next fusion machine could clear a key hurdle to commercial power

Fusion startup Pacific Fusion broke ground on a demonstration facility in New Mexico that it says will generate enough energy to power itself.

US battery startups have found a lifeline in defense

U.S. battery startups pulled in $500 million in grants from the Department of Energy, throwing a lifeline to an industry that was on the ropes after EV incentives were slashed.

Tesla’s solar roof is dead — here’s what went wrong

Tesla’s solar roof was an experiment that never really caught on for the company. But does that mean the concept of roof-integrated solar is dead?

Apollo Atomics wants to make nuclear power cheaper by shrinking an overlooked part

Y Combinator alumnus Apollo Atomics is shrinking a key nuclear reactor part, which promises to slash the cost of electricity below natural gas.

TerraPower’s nuclear reactor has a secret weapon for powering AI data centers

TerraPower’s nuclear power plant possesses a strategic advantage over competitors, especially when chasing after data center deals.

Home batteries are suddenly cheap and everywhere. Here’s why.

Companies including Tesla and Base Power are vying for a piece of the rapidly growing market for home batteries. One technology has made it all possible.

Anthro Energy breaks ground on factory that could pave the road to solid-state batteries

Battery materials startup Anthro Energy has broken ground on a Louisville factory to make electrolytes, including those for solid-state batteries.

Sound-powered fire protection startup gets $15M to snuff out fires before they turn catastrophic

Sonic Fire Tech raised its new funding to help get its sound-powered fire protection system into everything from commercial kitchens to apartment buildings.

Hyperscalers might regret embracing natural gas if new forecast proves correct

Natural gas prices could triple in some parts of the U.S., which could saddle hyperscalers with massive bills to power their AI data centers.

AI nuclear power firm Fermi finally has a new CEO

Lee McIntire, an independent member of Fermi’s board, has been hired as CEO, more than three months since the company fired co-founder Toby Neugebauer from the top post.