NANO Nuclear advances its portable reactor thanks to the GAIN program

NANO Nuclear receives support from the U.S. Department of Energy for its portable 'ZEUS' reactor, with technical collaboration from Idaho National Laboratory.

Share:

Gain full professional access to energynews.pro from 4.90$/month.
Designed for decision-makers, with no long-term commitment.

Over 30,000 articles published since 2021.
150 new market analyses every week to decode global energy trends.

Monthly Digital PRO PASS

Immediate Access
4.90$/month*

No commitment – cancel anytime, activation in 2 minutes.

*Special launch offer: 1st month at the indicated price, then 14.90 $/month, no long-term commitment.

Annual Digital PRO Pass

Full Annual Access
99$/year*

To access all of energynews.pro without any limits

*Introductory annual price for year one, automatically renewed at 149.00 $/year from the second year.

NANO Nuclear Energy is benefiting from the U.S. Department of Energy’s (DOE) GAIN (Gateway for Accelerated Innovation in Nuclear) program to further develop its portable nuclear reactor, dubbed ‘ZEUS’.
The reactor, designed to operate without a coolant, uses an open-air Brayton cycle to dissipate the heat generated by the reactor core.
This technology could offer a compact, reliable energy solution for isolated areas or specific industrial applications.
The collaboration between NANO Nuclear and Idaho National Laboratory (INL) focuses on the evaluation and optimization of a key reactor component: the heat exchanger.
This partnership aims to model the thermodynamic behavior of the device to ensure efficient energy management.
This step is crucial to validate the viability of this technology before its possible commercialization.

The role of the GAIN program in supporting innovation

The GAIN program was set up by the DOE to accelerate innovation in the nuclear field by providing technical, regulatory and financial support to companies in the sector.
The vouchers awarded by this program enable companies to collaborate with DOE laboratories, such as INL, to overcome technological obstacles.
For NANO Nuclear, this collaboration is aimed at developing simulation tools capable of modeling heat exchanger performance.
Unlike direct funding, GAIN vouchers finance DOE laboratories, which contribute their expertise and technical resources to help companies achieve critical milestones in the development of their innovations.
This type of support is essential for technologies such as the ‘ZEUS’ micro-reactor, which require rigorous validation before they can be integrated into industrial applications.

Technical advances and prospects for the ‘ZEUS’ reactor

The ‘ZEUS’ reactor stands out for its ability to generate between 1 and 2 MW of electricity without the use of heat transfer fluids.
This micro-reactor concept aims to offer a portable, compact and easily deployable energy solution.
One of the key innovations of this technology is the heat exchanger, designed to operate with an open-air thermodynamic cycle.
This component enables the reactor to be maintained at optimum operating temperatures, while limiting the complexity and size of the system.
The partnership with INL will enable this design to be validated through detailed simulations and performance analyses.
These assessments are essential to ensure that the reactor can operate under real-life conditions, particularly in environments where decentralized, rapidly deployable energy solutions are required.
This technology could, for example, be used in rural areas or industrial environments requiring a secure, continuous power supply.

A strategic partnership with INL

INL’s expertise in nuclear technology assessment makes it an ideal partner for NANO Nuclear.
The laboratory has already collaborated with the company on previous projects, including the evaluation of the preliminary design of the ‘ODIN’ micro-reactor.
This working relationship has strengthened the technical credibility of NANO Nuclear’s projects, while providing independent validation of their technologies.
As part of the GAIN voucher, INL will develop a computer model to simulate the thermal performance of the heat exchanger.
The model will analyze energy flows, interactions between the reactor and the heat exchanger, and heat dissipation.
This information will enable NANO Nuclear to fine-tune its design before moving on to the next stage of development.

Outlook for the nuclear sector

The GAIN program and its initiatives in support of miniaturized nuclear technologies are part of a broader strategy of innovation in the US energy sector.
The ability to provide decentralized, modular and easily transportable energy solutions such as the ‘ZEUS’ micro-reactor opens up new prospects for a variety of industries.
Companies, particularly in the industrial or military sectors, could benefit from this technology for temporary installations or in areas with limited access.
The competitive advantage of the ‘ZEUS’ reactor lies in its portability and ability to provide reliable power without heavy infrastructure.
This type of micro-reactor could therefore meet specific needs where traditional power grids are absent or unreliable.
What’s more, the simplicity of its design reduces maintenance and operating costs, making it even more attractive to sectors seeking to optimize their energy resources.

The European Court of Justice annulled the European Commission's authorisation of Hungarian state aid for the Paks II nuclear project, questioning compliance with EU public procurement rules.
A Chinese consortium has secured a CNY4.2bn ($594mn) contract for the construction of conventional islands for the Xuwei nuclear project, combining third and fourth generation reactors.
Rosatom and China National Nuclear Corporation signed a memorandum of understanding to strengthen bilateral cooperation in talent development and skills training in the nuclear sector.
Iran has reached a new agreement with the International Atomic Energy Agency to formalise the resumption of inspections, following months of suspension linked to military tensions and criticism of its nuclear programme.
The French Energy Regulatory Commission outlines a structured plan to accelerate the deployment of small modular reactors, focusing on industrial heat and series effects to enhance competitiveness.
US-based Nuclearn has secured $10.5mn to scale its artificial intelligence platform, already deployed in over 65 nuclear reactors, to automate critical operations amid rising energy demand.
The steel dome of the CAP1000 Haiyang 4 reactor has been positioned, a major construction milestone paving the way for upcoming maintenance and technical installation phases.
The Groupement des Industriels Français de l'Énergie Nucléaire and the Belgian Nuclear Forum formalise a partnership aimed at strengthening industrial exchanges and joint projects between the two countries’ nuclear sectors.
The International Atomic Energy Agency warns that little time remains to reach an agreement with Iran on fully resuming inspections, as European sanctions could be reimposed within 30 days.
US-based Oklo will build the country’s first privately funded nuclear fuel recycling centre in Oak Ridge, investing $1.7bn and creating over 800 jobs.
The Tennessee Valley Authority partners with ENTRA1 Energy to develop up to 6 gigawatts of modular nuclear capacity, in an unprecedented project supporting energy growth across seven U.S. states.
A report by the International Atomic Energy Agency puts Iran’s 60% enriched uranium at 440.9 kg before Israeli and U.S. strikes, while the agency’s access to enrichment sites has remained suspended since the operations.
US-based Westinghouse has signed six industrial agreements in the UK to supply critical components for its AP1000 and AP300 nuclear projects in Britain and abroad.
NANO Nuclear Energy receives direct funding from the US Air Force innovation branch to assess the integration of its KRONOS MMRâ„¢ microreactor at the Washington D.C. military base.
EDF extends the operation of Heysham 1 and Hartlepool by one year after favourable safety inspections, ensuring continuity of nuclear production and safeguarding more than 1,000 jobs.
Russian nuclear group Rosatom has confirmed advanced discussions with India and Turkey to launch new power plants, including advanced and floating reactor technologies.
The International Atomic Energy Agency has identified uranium particles of industrial origin in samples taken from a Syrian site suspected of hosting an undeclared nuclear reactor.
Norwegian authorities begin the first regulatory phase for two modular nuclear reactor projects, marking a strategic step in the national review of the potential role of nuclear energy in the country’s power mix.
With eleven reactors under construction and major projects such as Jaitapur, India is preparing a nuclear build-up that could place it among the world’s five leading nations in the sector.
France and Germany have validated a joint energy roadmap, including a commitment to the non-discrimination of nuclear energy in European financing.

Log in to read this article

You'll also have access to a selection of our best content.