Climate

Battery startup Moxion went bankrupt. Now its founder is back to ‘finish what we started’

Just over a year ago, Moxion Power closed its doors, adding its name to a list of high-profile bankruptcies that roiled the climate tech world in 2024. The portable battery startup had raised more than $110 million in a bid to replace diesel generators at festivals and construction sites, but even that wasn’t enough to

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Sila opens U.S. factory to make silicon anodes for energy dense EV batteries

Sila, the battery materials startup, started operations Tuesday at its facility in Moses Lake, Washington. The factory, which will initially be capable of making enough battery materials for 20,000 to 50,000 EVs, is the first large-scale silicon anode factory in the West, and future expansion could fulfill demand for as many as 2.5 million vehicles.

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Commonwealth Fusion Systems books a $1B+ power deal for its future fusion reactor

Commonwealth Fusion Systems has agreed to sell Italian energy company Eni more than $1 billion worth of power from its first fusion reactor. The power plant will be built outside of Richmond, Virginia, close to some of the highest densities of data centers in the country. The 400-megawatt fusion reactor, called Arc, is expected to

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Octopus Energy spins off its Kraken utility billing and AI platform

British renewable energy provider Octopus Energy said this week that it’s spinning off Kraken, its tech platform for utilities, spurred in part by $500 million in committed annual revenue from other utilities and energy providers. An eventual Kraken IPO could be valued at $15 billion and could occur within a year, according to The Wall

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Tesla is recalling Powerwall 2 batteries over fire risk

Tesla is recalling Powerwall 2 home batteries in Australia after the company received reports of fires that led to “minor property damage,” according to the Australia Competition and Consumer Commission. The recall affects an unspecified number of Powerwall 2 units made in the U.S. and sold between November 2020 and June 2022. The cells were

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Tesla revamps the Megapack in attempt to reverse its declining storage business

Tesla is updating its utility-scale Megapack batteries as it seeks to stem the decline of its lucrative energy storage business. The new battery product known as Megapack 3, which Tesla revealed late Monday, are a bid to lure utilities and data center developers that are desperate for power. Megapack 3 stores around 1 megawatt-hour more

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Geothermal is too expensive, but Dig Energy’s impossibly small drill rig might fix that

On a farm near Manchester, New Hampshire, I was recently treated to a gusher of dirty water, not exactly the sort of thing that most startups will show a reporter. But for Dig Energy, the mud is a feature, not a bug, of its compact drilling rig.  The startup, which has been operating in stealth

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