Solar
Innovative solar tracker startup Sunfolding has folded
Sources say the 11-year-old startup is winding down after struggling to gain a foothold in the multibillion-dollar solar tracker market.
By Eric Wesoff .
Climatetech finance
Long-duration energy storage
Form Energy raises $405M for its 100-hour iron-air batteries
The long-duration energy storage startup has raised a total of $1.2 billion. Form is expanding its West Virginia factory and working on its first deployments now.
By Jeff St. John .
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Hydrogen
'Green' hydrogen debate heats up ahead of tax-credit decision
Leaked details about rules governing billions of dollars in hydrogen subsidies have added fuel to an already fiery debate. Proposed regulations could come next week.By Jeff St. John .
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Climatetech finance
An IRA grant could help low-income residents in New Hampshire go solar
The state is seeking $70 million in federal funding and partnering with housing advocates to expand access to solar power for low- and moderate-income residents.By Sarah Shemkus .
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Climatetech finance
Chart: How much are oil and gas firms spending on clean energy? Not much
Fossil fuel companies accounted for just 1% of global climatetech funding last year — while continuing to invest lavishly in their planet-warming products.By Maria Virginia Olano .
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Clean energy supply chain
New investment firm aims to scale up urgently needed battery materials
Kinterra Capital has raised a $565 million private equity fund dedicated to investing in new mines and processing plants to supply battery and EV factories.By Julian Spector .
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Nuclear
Air Force rescinds $100M award for Oklo microreactor
In August, the Sam Altman–backed startup was tentatively chosen as the winner of a military contract to build an SMR by 2027. Bids are now being reconsidered.By Eric Wesoff .
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Marine transport
America's first hydrogen-powered ferry is set to sail
Switch Maritime aims to start operations early next year in San Francisco. It just raised $10M to help take zero-emissions ferries nationwide.By Maria Gallucci .
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Electric vehicles
Bankrupt EV bus-maker Proterra finds buyers for its business units
The oldest U.S. electric bus manufacturer filed for bankruptcy protection in August. Can Proterra's businesses survive and thrive under new ownership?By Jeff St. John .
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Energy storage
Will this startup finally crack the code on flow battery tech?
Germany's CMBlu just pulled in a 100-million-euro investment, is ramping up manufacturing and has contracts with major utilities. Can it succeed where others have failed?By Julian Spector .
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Climatetech finance
Chart: Clean energy attracting nearly twice as much investment as fossils
But for the world to meet its climate goals, the money needs to stop flowing to fossil fuels — and flow even faster into clean energy.By Dan McCarthy .
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