According to a recent LinkedIn post from Deep Fission, the company is promoting a Gravity Nuclear Reactor concept that adapts established pressurized water reactor technology for installation in mile‑deep boreholes. The post suggests this design would use surrounding rock for structural confinement and shielding, and rely on the pressure from a mile‑long water column above the reactor.
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The company’s LinkedIn post highlights an ambition to reduce large surface infrastructure relative to conventional nuclear plants, potentially streamlining deployment timelines and site requirements. For investors, this approach may indicate a capital‑efficient path to nuclear deployment if technical, regulatory and safety hurdles can be addressed, positioning Deep Fission within emerging advanced nuclear and geothermal‑adjacent infrastructure markets.
As shared in the post, leveraging existing oil, gas and geothermal drilling capabilities could lower development risk by repurposing mature supply chains and engineering expertise. If successfully demonstrated, such a model could support scalable, modular deployment, with implications for long‑term revenue visibility in baseload clean energy and for competitiveness against other small modular reactor concepts.