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JB Straubel’s Redwood launches energy business focused on second-life EV batteries
Redwood stated that many EV battery packs retain more than 50% of their capacity after being retired from vehicles.
Redwood Materials, the battery recycling firm founded by Tesla co-founder JB Straubel, has launched a new venture called Redwood Energy. The business aims to repurpose used electric vehicle batteries into large-scale, low-cost energy storage systems.
In a post on X, Redwood revealed that it has already deployed a 12 MW, 63 MWh microgrid powered entirely by second-life EV batteries. The system is currently powering a modular data center for Crusoe AI, and it already operates at a lower cost than conventional solutions.
Repurposed batteries for scalable storage
Redwood Energy is designed to bridge the gap between battery recovery and recycling by extracting value from discarded EV packs that still hold usable charge. In a blog post, Redwood stated that many EV battery packs retain more than 50% of their capacity after being retired from vehicles. That remaining energy is well suited for stationary storage applications even without recycling.
The process begins with Redwood’s collection and diagnostics system, which identifies battery packs that are still suitable for reuse. Those packs are then integrated into modular energy systems that can store energy from solar, wind, or the grid. Once the batteries reach true end-of-life, they are recycled through Redwood’s closed-loop system to recover critical minerals.
Meeting the demands of an AI-driven grid
Redwood estimates that more than 100,000 EVs will be retired this year in the United States, with millions more currently on the road. These vehicles represent hundreds of gigawatt-hours of storage potential. These resources are coming in at the right time, as electricity demand is rising rapidly amid the rise of artificial intelligence, which tends to be power-hungry.
Redwood Energy already has more than 1 GWh of second-life batteries in its deployment pipeline. That figure is expected to grow to 5 GWh in the coming year. Larger 100 MW projects are also in development.
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Tesla’s Shanghai sites now producing massive solar output, confirms exec
Gigafactory Shanghai’s rooftop solar installation now generates an impressive amount of clean energy, and other sites are following suit.
Tesla China Vice President Grace Tao recently shared new details on the company’s solar initiatives in some of its facilities across Shanghai.
In a post on Weibo, the Tesla executive stated that Gigafactory Shanghai’s rooftop solar installation now generates an impressive amount of clean energy, and other sites are following suit.
Tesla China’s rooftop solar initiatives
As per Tao’s post, Giga Shanghai’s rooftop solar system produces about 11 million kWh of electricity per year. This helps reduce carbon emissions by an estimated 4,600 tons annually.
The Shanghai Megafactory, which produces Megapack batteries, is also being fitted with solar panels. Once operational, it is expected to generate an additional 6 million kWh per year and further lower carbon emissions by roughly 2,500 tons.
“At present, the roof of the Shanghai Super Factory is covered with photovoltaic panels, which can generate 11 million kWh of electricity annually and reduce carbon emissions by 4,600 tons. The Shanghai Energy Storage Super Factory next door is also installing photovoltaic panels, which is expected to generate an additional 6 million kWh a year and reduce carbon emissions by 2,500 tons,” Tao wrote in her post.
Tesla expands solar and storage efforts
Beyond its manufacturing hubs, Tesla is extending its renewable energy strategy to service centers and retail operations in China. Tao stated that the roof of Tesla’s Shanghai Kangqiao Direct Body and Paint Center already produces around 400,000 kWh of green electricity each year, reducing emissions by yet another 170 tons.
She highlighted that Tesla’s goal is to ensure clean electricity powers the full lifecycle of its products, from manufacturing and storage to on-road charging. “The manufacture, storage, and use of clean electricity runs through the entire chain of Tesla products, and is also the contribution of every Tesla owner to a sustainable tomorrow for the earth,” Tao stated.
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Donald Trump confirms ‘good’ relationship with Elon Musk after public feud
Trump stated that he and Elon Musk have spoken “on and off, a little bit” since meeting at Charlie Kirk’s memorial service in September.
United States President Donald Trump has confirmed that his relationship with Elon Musk has improved following months of tension.
Speaking with reporters aboard Air Force One, Trump stated that he and Elon Musk have spoken “on and off, a little bit” since meeting at slain conservative activist Charlie Kirk’s memorial service in September. Trump also noted that he now considers their relationship “good.”
Trump stated that his feud with Musk has cooled after ‘stupid moment’
Trump addressed the pair’s earlier feud, which unfolded publicly earlier this year after Musk publicly opposed Trump’s “Big Beautiful Bill” and later stepped away from his administration’s advisory role tied to the DOGE initiative. The U.S. president addressed the dispute, describing it as a brief lapse in judgment, as noted in an Insider report.
“He had a bad spell, he had a bad period. He had a bad moment,” Trump said. “It was a stupid moment in his life, very stupid. I’m sure he’d tell you that. But I like Elon, and I suspect I always will.”
Trump’s remarks suggest a thaw in what had been one of the United States’ most visible political rifts, which saw Musk accusing Trump of being on Epstein’s list and Trump threatening to take away Tesla and SpaceX’s subsidies. In his recent comments, however, Trump noted that “I like Elon, I’ve always liked him.”
Musk has mostly stayed quiet on Trump, but he still criticizes administration officials
Musk has publicly toned down his criticism of Trump in recent months, pausing discussion of a third political party he once floated after Trump’s megabill passed. While his stance toward the former president appears to have softened, with the two men publicly making peace during Kirk’s memorial, Musk has continued to spar with members of Trump’s administration.
Just last week, he engaged in a dispute with Transportation Secretary Sean Duffy over NASA leadership after Duffy opened one of SpaceX’s contracts for review. Musk expressed his frustration against Duffy on X, stating that “Sean Dummy is trying to kill NASA” and pledging that SpaceX would be taking humans back to the Moon with Starship before any other company.
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IF Metall chair to Elon Musk: “Give us a chance” as Tesla Sweden strike hits 2 years
The official emphasized that Swedish unions function under a cooperative framework that benefits both employers and workers.
IF Metall’s strike against Tesla Sweden has entered its third year, with union chair Marie Nilsson urging Elon Musk to reconsider his perception of organized labor.
Speaking ahead of the strike’s second anniversary, Nilsson stated that Tesla should understand that Swedish unions operate differently from their American counterparts, and they deserve the opportunity to prove it.
IF Metall leader urges Tesla to understand Sweden’s system
In an interview with Dagens Arbete (DA), Nilsson stated that Tesla’s skepticism toward labor unions likely stems from the company’s experience in the United States, where labor organizations have historically taken a more combative approach. She emphasized that Swedish unions function under a cooperative framework that benefits both employers and workers.
“I can certainly understand that Elon Musk and Tesla are skeptical of the trade union movement. They have experience with American unions that operate in a completely different environment and that have to be militant in a different way.
“I would say: Don’t compare Swedish unions with American ones. Let’s give us a chance. Signing a collective agreement in Sweden also does not mean that you are committed to collective agreements in the rest of the world, but it is the practical system we have here to regulate the conditions,” Nilsson stated.
Nilsson rejected the idea that Tesla Sweden is being unfairly targeted
The IF Metall leader also reflected on the conflict’s duration, calling it unprecedented in Swedish labor history. While she admitted the union should have organized Tesla workers earlier, she maintained that the movement remains determined. “No one can possibly imagine what it is like not to go to work for two years,” Nilsson said, praising members who have continued to maintain their protest against the EV maker.
Nilsson also rejected any notion that the union is targeting Tesla unfairly. “Tesla is not a poor little company that we are trying to crush in any way,” she said. “But this is a global player, and we cannot accept that they should have different conditions in Sweden than other entrepreneurs have.”
She confirmed that IF Metall is now prepared to take greater risks, especially after the Swedish Mediation Institute stepped back from talks. “It is impossible for us to do anything else. This is a large and important player, and therefore we need to take this conflict. It is impossible for us to do anything else,” Nilsson said.
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