Google just flipped the script on fusion energy partnerships. While the tech giant previously invested in Commonwealth Fusion Systems as a potential power supplier, DeepMind's new AI collaboration reveals Google sees fusion startups as lucrative customers too - positioning itself to profit from both sides of the clean energy equation.
Google isn't just betting on fusion energy anymore - it's positioning itself to profit from it. The tech giant's DeepMind division announced Thursday it's working with Commonwealth Fusion Systems to fine-tune the startup's upcoming Sparc reactor using AI, revealing a sophisticated dual strategy that puts Google on both sides of the clean energy gold rush.
The partnership centers on DeepMind's specialized software called Torax, which will simulate the plasma burning inside CFS's reactor and pair with AI models to optimize fusion power generation. According to CFS's announcement, the companies plan to use reinforcement learning and evolutionary search models to find the "most efficient and robust paths to generating net energy."
This isn't Google's first fusion rodeo. The company previously worked with TAE Technologies to study plasma behavior using AI, and it participated in CFS's massive $863 million Series B2 round alongside Nvidia in August. But the DeepMind collaboration signals something bigger - Google sees fusion startups not just as future energy suppliers, but as premium customers for its AI services.
The timing is strategic. CFS is currently building Sparc, its demonstration reactor, in a Boston suburb. The device is about two-thirds complete and when finished in late 2026, the startup predicts it'll be the first fusion device capable of producing more power than it consumes - the holy grail of net energy gain that's eluded the industry for decades.
The technical challenge that makes AI so valuable lies in fusion's complexity. Unlike nuclear fission reactions that sustain themselves, fusion reactions are notoriously difficult to maintain outside of stars. Without the Sun's massive gravity, plasma constantly threatens to diffuse and extinguish itself. CFS's reactors use powerful magnets as a gravity substitute, but controlling the plasma requires software that can continuously react to changing conditions - a job with "almost too many knobs to turn, certainly more than a human is capable of," according to .
