And that's phase one. Phase two scales to one million GPUs. That power requirement is over one gigawatt. But one problem… the grid couldn't deliver it fast enough. So, in May 2025, xAI took a different approach and brought in 168 Tesla Megapacks. More than $375 million in lithium-ion batteries. For backup power. For one building. When Elon Musk posted on X that Colossus 2 would be "the first Gigawatt AI training supercluster," he wasn't bragging about artificial intelligence. He was describing a power problem. And six months later, the world's largest lithium producers admitted they hadn't seen it coming. This is the demand signal the lithium market didn't model and it just flipped the lithium market. "The Big Upside Surprise" The lithium thesis was simple: electric cars. Model the adoption curve. Forecast battery production. Project demand. For three years, that thesis collapsed. Lithium hydroxide prices dropped 89% from their 2022 peak. Oversupply. Slower EV growth than expected. The narrative hardened. - Then, in November 2025, came the moment every analyst had to update their decks.
Kent Masters, CEO of Albemarle, the world's largest lithium producer, used the word "surprise" on an earnings call. Grid storage had grown 105% year-to-date. "The big upside surprise this year." Grant Donald at Liontown said battery storage systems had "come from nowhere." - SQM's leadership then said storage was growing 40-50% annually, and now accounts for 20% of total lithium demand.
Every major lithium model missed the fastest-growing demand category on the planet. They modeled cars. They didn't model a single building in Memphis that needs one-third of the city's electricity to train an AI. Three of the world's largest lithium producers... All saying the same thing: Storage demand exceeded their forecasts. Why AI Companies are Bypassing the Grid Batteries scale in months. Power plants take years. AI companies building gigawatt-scale training clusters can't wait. So they're buying batteries instead of grid connections. S&P Global projects US data center power capacity will reach 134,000 megawatts by 2030, up 168% from 2024. - Tesla reported record energy storage deployments of 12.5 GWh in the third quarter of 2025, nearly double the prior year.
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