Deep Fission secures US$4 million to accelerate its underground reactors

Deep Fission obtains US$4 million in pre-seed funding to advance the commercialization of underground nuclear reactors, an innovative approach to optimizing cost and safety.

Share:

Deep Fission raises USD 4 million in a pre-seed financing round.
The funding, led by the 8VC fund, is aimed at accelerating the company’s plans to develop underground nuclear reactors.
The main objective is to take advantage of natural underground conditions to design more compact facilities, while reducing infrastructure costs and improving operational safety.
Deep Fission’s approach is based on the use of conventional nuclear technologies, but in an unconventional environment.
Reactors are installed one mile below the surface, eliminating the need for large containment structures.
This configuration significantly reduces costs, while maintaining a high level of safety.
Unlike emerging nuclear reactors, which require specific supply chains, Deep Fission uses commercially available low-enriched fuel, which reduces the risks associated with development delays.

A strategic turning point for underground nuclear power

Founder and CEO, Elizabeth Muller, emphasizes that this round of funding will enable Deep Fission to focus on strengthening its teams, advancing its regulatory processes, and preparing the commercialization of its technology.
The company has already achieved several key milestones, including finalizing a conceptual design, submitting a regulatory commitment plan to the Nuclear Regulatory Commission (NRC) and organizing a review meeting with this body.
The decision to install the reactors underground is not just a technical innovation.
It is a strategic response to the demands of safety and economic competitiveness in the nuclear sector.
By integrating proven concepts in an optimized environment, Deep Fission offers an alternative that could redefine industry standards.
This initiative positions the company as a player capable of transforming current nuclear paradigms, offering more economical and safer solutions, while integrating harmoniously into existing infrastructures.

Bahrain has concluded a civil nuclear agreement with the United States and formalised a commitment of $17bn in public investments in the US market, further strengthening bilateral cooperation.
Kairos Power has installed the vessel for its third test prototype in Oak Ridge, aiming to validate manufacturing methods for its future Hermes reactor supported by the US Department of Energy.
London and Prague formalise a strategic partnership to develop the nuclear sector, focusing on small modular reactors and industrial cooperation on supply chains.
Experts have broadly approved France’s Cigéo deep nuclear waste repository project, highlighting technical uncertainties that demand stronger guarantees for long-term safety.
Uzbekistan advances its nuclear project by signing a protocol with Hungary for the supply and local assembly of dry cooling systems, expanding its industrial partnerships in the region.
Polskie Elektrownie Jądrowe is asking the European Commission to review its $49bn investment to build Poland’s first nuclear power plant, a step required under the Euratom Treaty before any construction permit can be issued.
The International Atomic Energy Agency mission completed on July 11 warns that the National Nuclear Safety Administration must hire staff to oversee a fleet of 59 reactors in operation and 32 more under construction.
Energoatom signed strategic agreements with Westinghouse and Holtec at the Ukraine Recovery Conference, aiming to establish nuclear fuel production and small modular reactor capabilities in the country.
Tehran agrees to reopen its nuclear facilities to the IAEA, aiming to resume negotiations with Washington, while Moscow pushes for a “zero enrichment” agreement without getting involved in supervision.
TerraPower has selected three new American suppliers for its advanced Natrium nuclear reactor, confirming progress on the project located in Kemmerer, Wyoming, intended to replace a retiring coal-fired power plant.
Energy Exploration Technologies acquires Daytona Lithium, an Australian subsidiary of Pantera Lithium, for AUD40mn ($27mn), bringing its strategic lithium basin footprint in Smackover, USA to nearly 50,000 acres.
The Canadian Nuclear Safety Commission has identified no major barriers to licensing the ARC-100 reactor, announces ARC Clean Technology.
SE Ignalina, the Lithuanian nuclear operator, has signed a memorandum of understanding with French firm Newcleo to explore the integration of small modular reactors (SMRs) using lead-cooled fast reactor (LFR) technology in Lithuania.
Egyptian President Abdel Fattah al-Sisi oversaw the signing of new agreements for the construction of the El Dabaa nuclear power plant, thus strengthening the strategic cooperation between Egypt and Russia.
Vistra Corp receives green light to extend Perry nuclear plant operations in Ohio by 20 years, securing regional electricity supply until 2046 and ensuring operational continuity for all its nuclear reactors in the United States.
EDF will hold a 12.5% stake in the Sizewell C nuclear project in the UK, a €1.3 billion investment announced during Emmanuel Macron’s official visit to London, confirming the strategic nuclear energy alignment between the two countries.
The French Cigéo project, designed to bury the most hazardous radioactive waste deep underground, obtains a crucial technical validation before its final authorization, expected by the end of 2027.
EDF confirms the continuation of its industrial project in Fessenheim for recycling very low-level radioactive metals, a first in France requiring specific regulatory authorizations, following a public debate concluded last February.
NANO Nuclear Energy Inc. formalizes its collaboration with UrAmerica Ltd. to strengthen Argentina’s uranium supply, aiming to secure future nuclear fuel supply chains for the U.S. market.
American companies SHINE Technologies and Standard Nuclear partner to recycle uranium and plutonium, supplying advanced fuel to the nuclear reactor sector and enhancing the national energy security of the United States.