Recent developments highlight progress in prototype reactor deployment, participation in DOE and industry events, and customer pipeline announcements.

• Deep Fission’s prototype reactor canister arrived at the Kansas site, advancing its reactor proof-of-concept program [N3].
• The company joined DOE Secretary Wright at Idaho National Laboratory events celebrating nuclear innovation [N4].
• Deep Fission announced a customer pipeline representing up to 18.5 gigawatts of generation capacity [N5].
• The company is scheduled to present at the 31st EnerCom Denver Energy Investment Conference in August 2026, indicating active engagement with the energy investment community [N1][N2].

The company’s innovative Gravity Reactor design aims to address key challenges in nuclear power deployment by enhancing safety through subsurface emplacement and reducing capital and operating costs via simplified infrastructure. Its phased commercialization plan, including DOE pilot program participation and planned NRC licensing, demonstrates a structured approach to technology validation and regulatory alignment. The substantial customer pipeline and active site development indicate market interest and progress toward commercialization milestones. The company’s intellectual property portfolio and engineering expertise underpin its potential to establish a differentiated position in the advanced nuclear market.

Deep Fission remains in the development stage with no commercial reactors constructed or revenue generated. The Gravity Reactor technology and associated drilling and emplacement methods are subject to ongoing engineering, safety evaluations, and regulatory approvals, which carry technical and regulatory risks. The company’s commercialization timeline and funding needs introduce execution risks, as subsequent development stages require substantial capital. Market acceptance, supply chain constraints for nuclear fuel, and regulatory uncertainties could impact progress. The company’s financial losses and reliance on external funding highlight risks typical of early-stage technology ventures in the nuclear sector.

Deep Fission’s moat is based on its proprietary integration of established PWR technology with novel deep subsurface emplacement, supported by a portfolio of issued patents and pending applications covering reactor configuration, drilling and casing techniques, thermal-hydraulic performance, and monitoring technologies. The company’s approach leverages geological formations for safety and containment, reducing reliance on conventional surface infrastructure. Its participation in the DOE Reactor Pilot Program and alignment with regulatory authorities such as the NRC provide strategic positioning. The company’s early site development and customer pipeline further support its competitive positioning in the advanced nuclear energy sector.

• Technical and Regulatory Risk: The Gravity Reactor technology is in conceptual and early engineering stages, requiring successful demonstration of deep borehole drilling, reactor emplacement, and operation under regulatory oversight. Obtaining DOE authorization and NRC licensing involves complex safety evaluations and approvals that may delay or limit commercialization.
• Funding and Execution Risk: Development and deployment activities beyond initial drilling and testing require substantial additional capital. The company’s ability to secure financing on acceptable terms is uncertain, which may impact the timing and scope of commercialization efforts.
• Market and Supply Chain Risk: Availability and cost of low-enriched uranium fuel depend on global supply chains and geopolitical factors. Market acceptance of novel nuclear technology and competition from other energy sources may affect commercial opportunities.

• Deep Fission, Inc. is a nuclear energy technology company developing a small modular reactor (SMR) called the Gravity Reactor, based on established pressurized water reactor (PWR) technology with novel emplacement in deep boreholes approximately one mile underground [S1].
• The Gravity Reactor is designed to produce up to 15 megawatts electric (MWe) per unit and can be deployed as standalone units or in clusters to supply hundreds or thousands of MWe [S1].
• The subsurface emplacement leverages hydrostatic pressure from a water column for reactor operating pressure and cooling, and surrounding geological formations for structural confinement and shielding, aiming to reduce surface infrastructure and enhance safety and security [S1].
• The company’s commercialization strategy involves a phased deployment plan: initial engineering validation and proof of concept wells, followed by DOE authorization and commercial pilot wells, and then high-volume commercial licensing and multiple site deployments [S1].
• Deep Fission holds a long-term lease for approximately 100 acres at the Great Plains Industrial Park in Parsons, Kansas, where it has commenced initial field development activities including drilling a data acquisition well to 6,000 feet and planning commercial-scale borehole drilling and prototype reactor deployment [S1].
• The company participates in the U.S. Department of Energy (DOE) Reactor Pilot Program and has an Other Transaction Agreement for Reactor Authorization with DOE, under which it seeks to demonstrate its system and obtain DOE oversight for its pilot reactor [S1].
• DOE authorization does not replace the need for U.S. Nuclear Regulatory Commission (NRC) licensing, which the company plans to pursue in parallel with demonstration activities [S1].
• The company’s intellectual property portfolio includes issued patents and pending applications related to reactor configuration, deep subsurface emplacement, drilling and casing techniques, thermal-hydraulic performance, instrumentation, and monitoring technologies [S1].
• The Gravity Reactor uses low-enriched uranium (LEU) fuel, with fuel supply expected to be sourced from qualified suppliers; fuel cycle and waste management will comply with applicable regulations [S1].
• The company’s reactor design incorporates multiple safety layers derived from PWR technology, enhanced by deep subsurface emplacement providing geological shielding and separation from surface hazards [S1].
• Surface supporting systems include power conversion equipment, monitoring and control systems, and electrical interconnection infrastructure [S1].
• Manufacturing plans leverage existing industrial supply chains and standard fabrication methods, with reactor modules manufactured offsite and delivered for emplacement [S1].
• The company has entered into multiple non-binding letters of intent for potential commercial deployment sites in Kansas, Texas, Utah, and other U.S. and international locations [S1].
• Financial figures from the latest SEC 10-Q filing as of June 30, 2026, show cash and equivalents of $93.0 million, current assets of $97.8 million, current liabilities of $8.5 million, a current ratio of 11.47, and a cash ratio of 10.91 [S2].
• The company reported a net loss of $31.0 million and basic and diluted EPS of -$0.56 for the quarter ended June 30, 2026 [S2].
• Recent news highlights include arrival of a prototype reactor canister at the Kansas site advancing proof-of-concept, participation in DOE events celebrating nuclear innovation, and announcement of a customer pipeline of up to 18.5 gigawatts of generation capacity [N3][N4][N5].
• Deep Fission is scheduled to present at the 31st EnerCom Denver Energy Investment Conference in August 2026, indicating active engagement with the energy investment community [N1][N2].