Advanced Reactor Developers Achieve Criticality Under DOE Launch Pad

Milestones in Advanced Reactor Development

The US advanced nuclear sector has reached a series of groundbreaking milestones, driven by the Department of Energy's Nuclear Energy Launch Pad initiative. Under this program, several innovative reactor developers have successfully achieved zero-power fuelled criticality, demonstrating the viability of their next-generation designs.

Antares Nuclear's TRISO-fuelled Mark-0 microreactor and Valar Atomics' TRISO-fuelled Ward 250 high-temperature gas reactor both reached this critical operational phase. Additionally, Oklo's Groves Isotope Test Reactor achieved zero-power fuelled criticality, showcasing the diverse approaches to advanced reactor design and fuel utilization. These achievements represent a major step forward in validating the safety and performance of advanced nuclear technologies.

Maritime and Full-Power Demonstrations

Beyond zero-power criticality, Deployable Energy's Unity reactor also reached criticality and is now poised to undergo full-power and maritime demonstrations. This progression from initial criticality to full-power testing is crucial for proving the commercial viability of these reactors, particularly for applications in remote or maritime environments where reliable, clean energy is in high demand.

The DOE's Nuclear Energy Launch Pad initiative has selected 12 recipients in its second round, encompassing both reactor development and critical fuel cycle advancements.

Accelerating Commercial Deployment

The National Reactor Innovation Center (NRIC) announced these 12 recipients to accelerate advanced nuclear technology deployment. By providing a testing ground and regulatory support, the Launch Pad initiative significantly de-risks the development process for startups. As these companies move from criticality to full-power demonstrations, the demand for specialized fuels like HALEU and TRISO will inevitably surge, further stimulating the entire advanced nuclear supply chain.

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