Ampera Unveils World's First 3D-Printed Nuclear Reactor for AI Data Centers
Startup Ampera introduces a full-scale, 3D-printed subcritical thorium nuclear reactor module, designed to power AI data centers with emission-free energy.
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A groundbreaking achievement in nuclear technology unfolded this week as startup Ampera unveiled what it touts as the world’s first full-scale, 3D-printed nuclear reactor module, designed specifically to power the insatiable demands of AI data centers. The Palm Beach Gardens, Florida-based company presented its innovative subcritical, solid-state, factory-built thorium nuclear reactor, marking a significant step towards scalable, emission-free energy for critical infrastructure.
Ampera's module, revealed on July 1, 2026, features a fully 3D-printed silicon carbide reactor core and pressure vessel, a manufacturing breakthrough that promises to accelerate deployment and reduce costs. The reactor utilizes tri-structural isotropic (TRISO) thorium kernels, a fuel choice praised for its safety profile and abundance, and is engineered for up to 30 years of operation without refueling. Being subcritical, the design inherently prevents runaway reactions, enhancing safety by requiring an external source to initiate fission. These compact systems are expected to deliver up to 30 MWe of power and are designed to fit into standard 40-foot shipping containers, enabling rapid transport and deployment for data centers, defense, and maritime applications.
This development arrives as AI's exponential growth drives a projected surge in data center energy consumption, potentially reaching 12% of total U.S. energy production by 2028. Traditional power solutions are struggling to keep pace, making reliable, high-density, carbon-free sources like nuclear energy increasingly attractive to tech giants. Ampera's factory-built approach, combined with its advanced fuel and safety features, could revolutionize nuclear energy deployment, addressing historical challenges of cost and construction timelines. The company aims for commercial availability of the nuclear module by 2030, pending regulatory approval, having already begun the pre-application process with the U.S. Nuclear Regulatory Commission under new regulations. While significant regulatory and scaling hurdles remain, Ampera's vision offers a compelling pathway to powering the future of AI.