Electric vehicles
Chart: EV ranges are growing, but at a cost
Range anxiety is being replaced by materials anxiety as automakers roll out more powerful batteries that gobble up a greater volume of scarce minerals.
By Eric Wesoff .
Batteries
Solar
California’s rooftop solar policy is killing its rooftop solar industry
New projects have cratered and job losses are mounting in the six months since California regulators slashed the value of home solar systems.
By Jeff St. John .
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Energy storage
Tesla alum aims to build the power company of the future
Equilibrium Energy is live in Texas with an offering to rent grid batteries and make money with them in the ERCOT markets. But CEO Ryan Hanley says it's just the start.By Julian Spector .
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Batteries
Can mobile batteries make dirty diesel generators obsolete?
Emissions-free mobile battery systems are taking on diesel generators as the power source of choice for movie sets, construction sites and disaster relief.By Jeff St. John .
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Solar
Home batteries will help bolster Puerto Rico's grid in emergencies
Sunrun is launching a first-of-its-kind program on the island that will harness rooftop solar and battery storage systems to avoid rolling blackouts.By Maria Gallucci .
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Batteries
LG kicks off colossal ramp-up of US factories for EV and grid batteries
The South Korean company will build nearly 280 gigawatt-hours' worth of factory capacity across America to meet growing demand for grid storage and EV batteries.By Julian Spector .
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Batteries
DOE offers record-breaking $9.2B loan to build EV batteries in the US
The conditional loan to Ford–SK On joint venture BlueOval will back another massive investment in the rapidly expanding Battery Belt taking shape in the Southeast.By Jeff St. John .
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Energy storage
New York City is getting its biggest battery system yet
Con Edison said it's about to begin operating a 7.5 MW battery system in Staten Island as New York grapples with grid reliability concerns and rising power demand.By Maria Gallucci .
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Electrification
Lunar Energy bets on a seamless 'ecosystem' for home electrification
Tesla's former residential energy chief raised $300 million to bring a vertically integrated home battery and energy controls system to market. Here's the result.By Jeff St. John .
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Podcast
AI for climate: A real-world test
We challenged a non-coder to use ChatGPT to write battery software. The results were surprising.PlayBy 80 min .
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Podcast
Why this battery maker's downfall still haunts America
The failure of A123 Systems underscores the complexity of U.S. clean energy manufacturing strategy.PlayBy 29 min .
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