According to a recent LinkedIn post from Deep Fission, the company is advancing development of underground nuclear reactors by drilling a “Gravity well” in Parsons, Kansas. The post suggests the well has reached nearly 85% of its target test depth of 6,000 feet and is intended to help the team better understand site and subsurface conditions.
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The company’s LinkedIn post highlights that placing reactors one mile underground is expected to reduce above‑ground construction needs, potentially enabling faster deployment and a smaller surface footprint. For investors, this approach, if technically and economically validated, could lower siting and permitting hurdles, improving project scalability and competitiveness in advanced nuclear.
The post indicates that data from the current test well will be used to refine system design and lay the foundation for a future demonstration and eventual full‑scale commercial project at the Kansas site. This staged progression from testing to demonstration and then commercial deployment may provide a roadmap for future capital needs, regulatory milestones, and partnership opportunities in the emerging advanced nuclear segment.