Site Announcement
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Built in Place for Commercial Operation
Deep Fission has selected the Great Plains Industrial Park in Parsons, Kansas, to host its advanced underground nuclear reactor pilot project in partnership with the U.S. Department of Energy. Following the groundbreaking ceremony in December 2025, the company hopes to successfully demonstrate its Gravity Nuclear Reactor before developing a full-scale commercial project at the same location.
Participating in the DOE’s Reactor Pilot Program
Authorized under Executive Order 14301, the Reactor Pilot Program marks a historic shift in federal policy, enabling reactor testing and deployment on sites outside of national laboratories. This initiative is a cornerstone of the Department of Energy’s commitment to reform and streamline processes that will unlock innovation and speed up the development of next-generation nuclear technologies.
Powering Innovation from Proven Locations
We have selected our first three planned power sites in Texas, Utah, and Kansas, each chosen for its strong geology, stable infrastructure, and community support. These regions offer ideal conditions for our underground reactors, combining secure siting with close proximity to high-demand energy industries. For the DOE Reactor Pilot Program, the Kansas site will lead the way for Deep Fission.
Long-term Land Use
Safety is our top priority. Deep Fission’s reactor is placed deep underground, where the surrounding geology provides natural containment and protection. This design aims to reduce risk and minimize any impact on the surface. In addition, the project will follow strict safety standards and environmental policies. The Department of Energy, the Kansas Department of Health and Environment, and other relevant agencies will oversee the construction of Deep Fission's first Gravity Nuclear Reactor, and the Nuclear Regulatory Commission will observe, support, and maintain awareness.
Cultural Rationale & Public Acceptance
We are committed to clear, accessible communication about how the technology works and how we keep the community safe. Deep Fission is committed to keeping the community informed as the work progresses, and we’ll provide clear pathways for people to stay updated and engage as they wish.
Contact UsFrom Licensing to Launch — Our Market Timeline
Our timeline outlines a clear, results-driven path from pilot reactor development to full-scale data center deployment.
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2025 to 2026
DOE Reactor Pilot Agreement
2025 event
Establishes a Department of Energy agreement to construct a mile-deep test reactor, targeting criticality to accelerate advanced nuclear commercialization.
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Gravity reactor announced
November 2025 event
Announces the Gravity Nuclear Reactor™, a deep borehole system designed to leverage natural earth pressure.
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Site selection
December 2025 event
Selects the Great Plains Industrial Park in Kansas for first-of-a-kind underground nuclear reactor.
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Work begins
December 2025 event
Groundbreaking of a mile-deep borehole nuclear reactor in Kansas designed to provide safe, sustainable energy.
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Before 2026
Gravity Reactor Site Construction
2026 event
We will conduct extensive non-nuclear testing, construct and complete our first pilot reactor, designed to produce 15MWe of clean energy.
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Drilling Kickoff
February 2026 event
Data acquisition well drilling commences at Department of Energy Pilot Site in Parsons, KS. Coring, logging, testing and analysis of site geology at depth.