Being a mom is hard — the heat is making it harder
It's 8:52 AM and 86 degrees Fahrenheit (30 Celsius) where I live in Southern California. My husband just came back from a morning outing with our fo…
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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…
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 poss…
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 Protection raised its new funding to help get its sound-powered fire protection system into everything from commercial kitchens to apartm…
Every fusion startup that has raised over $100M
Fusion startups have raised $7.1 billion to date, with the majority of it going to a handful of companies.
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 Neugebau…
Tesla wants to build a $10B solar factory in Texas
Tesla wants to build a massive solar factory in Texas, but first it wants the state to chip in to defray the costs.
Form Energy raises $750M to build more 100-hour batteries for the grid
Form Energy has landed Google and Crusoe as customers. Now, it has raised $750 million to expand manufacturing to deliver its massive, 100-hour batt…
Reservoir raises $8M to make water heaters that people — and the grid — will actually want
Reservoir has built an ultra-efficient water heater that can predict hot water demand, store energy, and detect plumbing leaks throughout a home.
Kyoto Fusioneering starts work on key fusion power plant device
Fusion power startups are turning to Kyoto Fusioneering to supply components for future power pants. The Japan-based startup just received a grant t…
Sila lands $1.4B Pentagon loan as militaries demand more batteries
Battery materials startup Sila will use a $1.4 billion loan from the U.S. Department of Defense to scale production at its factory in Washington Sta…
Planned Amazon data center could become the biggest climate polluter in the U.S.
As part of a planned Texas data center, Amazon is investing in an on-site power plant that could reportedly become the largest source of climate pol…
Trump administration has spent nearly $4B to cancel offshore wind farms
The Trump administration has now convinced developers to abandon 12 offshore wind leases. The latest will cost taxpayers $1.2 billion.
SpaceX’s Terafab will rely on natural gas power plants, not Tesla solar panels
SpaceX and Tesla are building a massive semiconductor fab in Texas that will depend on natural gas power plants, not Tesla solar panels.
Trump EPA wrongly canceled $20B in climate funds, appeals court rules
Climate nonprofits can again access their federal funding more than a year after the Trump EPA ordered Citibank to freeze their accounts.
Saudi Aramco backs India’s Mitti Labs to make Asia’s rice farming more water-resilient
Mitti Labs plans to expand beyond India and enter the Philippines and Indonesia while growing its carbon credits and agricultural data business.
SpaceX has bought $329M worth of Tesla Megapacks so far this year
SpaceX has ramped up its purchases of Tesla Megapacks for its xAI data centers.
Texas halts new data centers as governor calls for audits
Texas Governor Greg Abbott has paused new data center development until an audit has been completed.
Sequoia’s Shaun Maguire leads $1B round for nuclear startup Valar Atomics
Valar Atomics raised $1 billion at a $6 billion valuation after signing a development deal with Nvidia in June.
Base Power raises another $1B to save the grid using backyard batteries
Base Power’s $1 billion round will help the startup ramp production of its home batteries.
SpaceX won’t remove all of xAI’s unpermitted turbines for another year
SpaceX is building a new power plant for xAI's Colossus data centers, but it won't remove existing, unpermitted turbines for many more months.
Florida plans to build air taxi pads using $200M intended for EV chargers
Florida wants to use federal EV charger funds to build an air taxi network connecting golf courses, luxury apartment buildings, and airports.
When will fusion power startup Commonwealth Fusion Systems go public?
There are fresh signs that fusion power startup Commonwealth Fusion Systems will list in the next two to three years.
Fusion power darling Commonwealth Fusion Systems raises another $1B
Commonwealth Fusion Systems raised $1 billion as the startup moves toward its first commercial fusion power plant.