Amazon has struck a deal to buy up the first new U.S.-mined copper in more than a decade to fuel its AI data centers in the country, WSJ reports. The agreement, inked with Rio Tinto, will provide some of the copper using the mining company’s innovative new Nuton Technology, which drastically reduces the mine-to-market chain. It follows multiple reports in 2025 that copper markets are feeling the pinch due to aggressive AI expansion, with industry watchers warning that only 70% of 2035 demand could be met.
As WSJ notes, the copper will be sourced from Gunnison Copper’s Johnson Camp mine in Arizona, a mine which has been restarted as a testbed for Rio Tinto’s new method for opening up low-grade deposits. This Nuton Technology was deployed at an industrial scale at the Johnson Camp copper mine last month, according to Rio Tinto. “The process produces 99.99% pure copper cathode at the mine gate and removes the need for traditional concentrators, smelters and refineries, significantly…




