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Tiny Nuclear Reactor Powers Advanced AI Data Center
3 Jul
Summary
- A microreactor powered an AI chip for the first time.
- The partnership aims to conserve water for data centers.
- Valar's reactor uses helium, not water, for cooling.
A significant partnership has emerged between Valar Atomics and Nvidia, focusing on the development of a novel data center in Utah. This facility is powered by Valar's microreactor, a compact nuclear power plant. In a groundbreaking demonstration, this microreactor successfully powered Nvidia's latest AI chip architecture, Blackwell, marking the first instance of a small reactor energizing a data center.
The collaboration aims to address growing concerns over the substantial power and water demands of data centers, particularly those supporting AI infrastructure. Nvidia has announced its DSX data center design will utilize closed-loop liquid cooling, significantly reducing water usage. Valar's high-temperature reactor offers a unique solution as it is cooled by helium rather than water, further contributing to water conservation efforts.
This initiative aligns with broader trends where companies are exploring private power generation solutions, including nascent small nuclear reactors, to meet the intensive needs of AI. The U.S. administration has also shown support for expanding nuclear power generation through programs like the Department of Energy's reactor pilot program, which Valar is a part of. Valar aims to streamline regulatory processes for nuclear projects, demonstrating that they can be implemented rapidly.
