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Deep Fission receives prototype reactor canister
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Fusion42 · 10 July 2026 · Fusion42 review
Deep Fission has received its prototype reactor canister at its Kansas pilot site, completing fabrication and testing ahead of non-nuclear borehole validation. The milestone advances the company's underground small modular reactor design toward commercial demonstration and full-scale deployment.
This Wire brief sits within Fusion42's coverage of Clean Energy and Energy Storage.
◆ ◆ The Wire takeaway
If you supply components to oil and gas drilling or geothermal heat exchangers, Deep Fission just proved your supply chain works at nuclear scale. The proof-of-concept phase validates that off-the-shelf parts can be assembled underground—that's your entry to a new buyer with DoE backing and a clear path to 100+ unit deployments.
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1 source · 10 Jul 2026
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