Deep Fission Completes Delivery of Prototype Reactor Canister in Kansas
Written by Emily J. Thompson, Senior Investment Analyst
Updated: 1 day ago
0mins
Deep Fission announced the arrival of its prototype reactor canister at its Parsons, Kansas site, marking a key milestone in the Company's Proof-of-Concept Well program and its Gravity Nuclear Reactor development. The factory-built prototype canister completed fabrication, hydrostatic testing, and delivery to Kansas, representing tangible progress toward validating installation, infrastructure readiness, and operational sequencing for the Company's first commercial demonstration well. Following arrival at the Parsons site, the non-nuclear prototype reactor canister will be prepared for testing as Deep Fission continues preparation for its large diameter drilling program. The Company is advancing permitting with the Kansas Department of Health and Environment for the non-nuclear borehole, which is expected to serve as the next major proof-of-concept milestone.
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About FISN
Deep Fission, Inc. is a nuclear energy company. It is engaged in developing small modular pressurized water reactors installed one mile underground. It is developing a small modular reactor based on established pressurized water reactor technology, with novel emplacement in deep boreholes approximately one mile below the Earth’s surface. Its activities include test borehole construction, reactor design, safety analysis, thermal-hydraulic modeling, regulatory engagement with the Department of Energy (DOE) and the Nuclear Regulatory Commission (NRC), and supply chain development for reactor components and drilling operations. Its reactor, which it refers to as the Gravity Reactor, will leverage subsurface conditions to support key containment and operating functions, including the use of hydrostatic pressure from a water column within the borehole to support reactor operating pressure and cooling, and the surrounding geological formation to provide structural confinement and shielding.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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- Historic Policy Shift: As one of ten companies selected for the Department of Energy's Reactor Pilot Program, Deep Fission's participation signifies a major shift in federal policy, allowing reactor testing and deployment outside national laboratories, thus advancing the commercialization of nuclear technology.
- Technological Innovation: Deep Fission is developing its Gravity Nuclear Reactor™ technology, which places a small modular pressurized water reactor in a borehole approximately one mile underground, aimed at simplifying construction, enhancing safety, and supporting scalable commercial deployment to meet growing electricity demand.
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See More
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See More
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See More
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See More
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See More
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- Historic Policy Shift: As one of ten companies selected for the Department of Energy's Reactor Pilot Program, Deep Fission's participation signifies a major shift in federal policy, allowing reactor testing and deployment outside national laboratories, thus advancing the commercialization of nuclear technology.
- Technological Innovation: Deep Fission is developing its Gravity Nuclear Reactor™ technology, which places a small modular pressurized water reactor in a borehole approximately one mile underground, aimed at simplifying construction, enhancing safety, and supporting scalable commercial deployment to meet growing electricity demand.
- First Project Progress: The company is currently advancing its first reactor project in Parsons, Kansas, as part of the DOE's Reactor Pilot Program, showcasing its technological capabilities and market prospects in the nuclear energy sector.
See More
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- Project Advancement: The company is advancing its first reactor project at the Great Plains Industrial Park in Kansas, having completed drilling its first data acquisition borehole to approximately 6,000 feet deep, marking a significant milestone in the Department of Energy's Reactor Pilot Program.
- Deployment Plans: Deep Fission aims to first demonstrate the ability to drill a commercial-scale borehole and then safely deploy a prototype reactor, with plans to apply for a commercial license from the U.S. Nuclear Regulatory Commission in H1 next year, contingent on continued technical progress and financing.
- Market Demand Fit: CEO Liz Muller noted that data center developers and industrial partners require solutions that can be deployed quickly and scaled rapidly, and the Gravity Nuclear Reactor aligns well with these needs, highlighting the market adaptability and prospects of the company's technology.
See More
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- Project Advancement: The company is advancing its first reactor project at the Great Plains Industrial Park in Kansas, having completed a data acquisition borehole approximately 6,000 feet deep, marking a critical milestone in its technology development that is expected to accelerate commercialization efforts.
- Commercial License Application: Deep Fission plans to apply for a commercial license with the U.S. Nuclear Regulatory Commission in the first half of 2027, although this process depends on multiple factors including technical progress, financing, and regulatory approvals, with success directly impacting future revenues and market positioning.
- Non-Binding LOIs: While the signed Letters of Intent indicate potential demand, these agreements do not commit to purchasing electricity or constructing facilities, allowing either party to terminate without penalty, reflecting the uncertainties and risks present in the market.
See More
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See More
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- Offering Adjustment: Originally planning to offer 6 million shares at $24 to $26, the company reduced its terms earlier this month, reflecting a reassessment of market demand that could impact future fundraising capabilities.
- Technological Innovation: The Gravity Reactor developed by Deep Fission is designed to be installed approximately one mile underground, utilizing hydrostatic pressure and geological formations to support safety functions, aiming to reduce reliance on large surface infrastructure associated with conventional nuclear plants, thereby lowering capital costs and accelerating deployment.
- Market Positioning: Although the company has not generated any revenue to date, its plans to list on Nasdaq under the ticker FISN and its collaboration with Benchmark Company and Seaport Global indicate a strategic positioning in the nuclear energy technology sector and potential for future growth.
See More
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- Additional Share Option: The company has granted underwriters a 30-day option to purchase an additional 375,000 shares at the same price, enhancing financial flexibility and potentially boosting market confidence.
- Listing Information: Deep Fission's common stock has been approved for listing on the Nasdaq Global Market under the ticker symbol “FISN,” expected to commence trading on June 18, 2026, marking a significant step towards public market engagement.
- Planned Use of Proceeds: The net proceeds from this offering will be allocated for general working capital and corporate purposes, including the engineering, research, licensing, and construction of its first pilot nuclear reactor, reflecting the company's strategic focus on future growth.
See More
