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NANO Nuclear Energy Confirmed as Reactor Designer of KRONOS MMR by U.S. Nuclear Regulatory Commission

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NANO Nuclear Energy (NASDAQ: NNE) has been officially designated as the reactor designer of the KRONOS MMR Energy System by the U.S. Nuclear Regulatory Commission (NRC) in collaboration with the University of Illinois Urbana-Champaign (U. of I.).

This designation follows NANO Nuclear's January 2025 acquisition of nuclear energy technology assets from Ultra Safe Nuclear , including the KRONOS MMR. The proposed research reactor, to be located on U. of I.'s Urbana campus, will feature:

  • TRISO particle fuel
  • Helium gas coolant
  • Graphite moderator
  • Molten salt secondary loop for thermal integration

The update to the university's regulatory docket (NRC Project No. 99902094) reflects ongoing progress in the pre-application engagement and demonstrates NANO Nuclear's commitment to advancing the system through demonstration and regulatory processes.

NANO Nuclear Energy (NASDAQ: NNE) è stata ufficialmente designata come progettista del reattore del KRONOS MMR Energy System dalla Commissione per la Regolamentazione Nucleare degli Stati Uniti (NRC) in collaborazione con l'Università dell'Illinois Urbana-Champaign (U. di I.).

Questa designazione segue l'acquisizione da parte di NANO Nuclear, avvenuta a gennaio 2025, di beni tecnologici nel settore dell'energia nucleare da Ultra Safe Nuclear, inclusi i KRONOS MMR. Il reattore di ricerca proposto, che sarà situato nel campus di Urbana dell'U. di I., presenterà:

  • Carburante a particelle TRISO
  • Raffreddatore a gas elio
  • Moderatore in grafite
  • Un circuito secondario a sale fuso per l'integrazione termica

L'aggiornamento al fascicolo normativo dell'università (NRC Project No. 99902094) riflette i progressi in corso nel coinvolgimento pre-applicativo e dimostra l'impegno di NANO Nuclear nel promuovere il sistema attraverso processi di dimostrazione e regolamentazione.

NANO Nuclear Energy (NASDAQ: NNE) ha sido oficialmente designada como el diseñador del reactor del KRONOS MMR Energy System por la Comisión Reguladora Nuclear de EE. UU. (NRC) en colaboración con la Universidad de Illinois Urbana-Champaign (U. de I.).

Esta designación sigue a la adquisición en enero de 2025 por parte de NANO Nuclear de activos tecnológicos de energía nuclear de Ultra Safe Nuclear, incluyendo el KRONOS MMR. El reactor de investigación propuesto, que se ubicará en el campus de Urbana de la U. de I., contará con:

  • Combustible de partículas TRISO
  • Refrigerante de gas helio
  • Moderador de grafito
  • Circuito secundario de sal fundido para integración térmica

La actualización del expediente regulatorio de la universidad (NRC Project No. 99902094) refleja el progreso continuo en el compromiso previo a la solicitud y demuestra el compromiso de NANO Nuclear para avanzar en el sistema a través de procesos de demostración y regulación.

NANO Nuclear Energy (NASDAQ: NNE)는 미국 원자력 규제 위원회(NRC)와 일리노이 대학교 어바나-샴페인(U. of I.)의 협력으로 KRONOS MMR 에너지 시스템의 원자로 설계자로 공식 지정되었습니다.

이 지정은 NANO Nuclear가 2025년 1월 Ultra Safe Nuclear로부터 KRONOS MMR을 포함한 원자력 기술 자산을 인수한 데 따른 것입니다. 제안된 연구용 원자로는 U. of I.의 어바나 캠퍼스에 위치할 예정이며, 다음과 같은 특징을 갖추게 됩니다:

  • TRISO 입자 연료
  • 헬륨 가스 냉각제
  • 흑연 중성자 감속재
  • 열 통합을 위한 용융염 2차 루프

대학의 규제 서류(NRC 프로젝트 번호 99902094)에 대한 업데이트는 신청 전 참여의 지속적인 진행 상황을 반영하며, NANO Nuclear의 시스템 발전을 위한 시연 및 규제 과정에 대한 헌신을 보여줍니다.

NANO Nuclear Energy (NASDAQ: NNE) a été officiellement désignée comme concepteur de réacteur du KRONOS MMR Energy System par la Commission de réglementation nucléaire des États-Unis (NRC) en collaboration avec l'Université de l'Illinois Urbana-Champaign (U. de I.).

Cette désignation fait suite à l'acquisition par NANO Nuclear, en janvier 2025, d'actifs technologiques dans le domaine de l'énergie nucléaire auprès d'Ultra Safe Nuclear, y compris le KRONOS MMR. Le réacteur de recherche proposé, qui sera situé sur le campus d'Urbana de l'U. de I., présentera :

  • Carburant à particules TRISO
  • Refroidisseur à gaz hélium
  • Modérateur en graphite
  • Circuit secondaire à sel fondu pour l'intégration thermique

La mise à jour du dossier réglementaire de l'université (NRC Project No. 99902094) reflète les progrès continus dans l'engagement préliminaire et démontre l'engagement de NANO Nuclear à faire avancer le système à travers des processus de démonstration et de réglementation.

NANO Nuclear Energy (NASDAQ: NNE) wurde offiziell von der US-amerikanischen Nuklearregulierungsbehörde (NRC) in Zusammenarbeit mit der Universität Illinois Urbana-Champaign (U. of I.) als Reaktordesigner für das KRONOS MMR Energy System benannt.

Diese Benennung folgt auf die Übernahme von Nukleartechnologie-Assets von Ultra Safe Nuclear durch NANO Nuclear im Januar 2025, einschließlich des KRONOS MMR. Der vorgeschlagene Forschungsreaktor, der auf dem Campus der U. of I. in Urbana errichtet werden soll, wird folgende Merkmale aufweisen:

  • TRISO-Partikelbrennstoff
  • Heliumgas-Kühlmittel
  • Graphitmoderator
  • Schmelzsalz-Zweitschleife zur thermischen Integration

Das Update des regulatorischen Dossiers der Universität (NRC-Projekt Nr. 99902094) spiegelt den fortlaufenden Fortschritt im Vorantragsprozess wider und zeigt NANO Nuclear's Engagement, das System durch Demonstrations- und Regulierungsprozesse voranzubringen.

Positive
  • Official NRC designation as reactor designer strengthens regulatory position
  • Successful acquisition and integration of KRONOS MMR technology
  • Strategic partnership with major university facility for demonstration
Negative
  • Pre-application phase indicates long pathway to full regulatory approval
  • Multiple competing technologies still in development (ODIN, ZEUS, LOKI MMR)

Insights

The NRC's designation of NANO Nuclear as the official designer of the KRONOS MMR Energy System represents a meaningful regulatory milestone following the company's January 2025 technology acquisition from Ultra Safe Nuclear This formal recognition establishes NANO Nuclear's regulatory standing and initiates the licensing pathway necessary for advanced nuclear technology commercialization.

The collaboration with University of Illinois Urbana-Champaign provides NANO Nuclear with a prestigious research partner and potential demonstration site, creating a structured pathway to validate technology readiness. This university-industry partnership model is strategically valuable in the nuclear sector where demonstration facilities are costly and regulatory hurdles are substantial.

From an investment perspective, this development demonstrates tangible post-acquisition integration progress. NANO Nuclear is showing execution capability by maintaining relationship continuity with key stakeholders while advancing the regulatory process. The company's portfolio approach with multiple microreactor technologies (KRONOS, ODIN, ZEUS, and LOKI) diversifies their technical approach in the emerging small modular reactor market.

While this designation represents positive momentum, investors should recognize that nuclear regulatory timelines typically span years before commercialization. The university research reactor pathway may offer a more streamlined approval process compared to commercial deployments, potentially accelerating technology validation.

The KRONOS MMR's technical specifications indicate a well-considered design utilizing proven advanced nuclear technologies. The combination of TRISO particle fuel (highly stable ceramic-coated particles), helium gas coolant, and graphite moderator represents a high-temperature gas-cooled reactor approach with inherent safety characteristics. This configuration enables higher operating temperatures than conventional water-cooled reactors, potentially improving thermal efficiency.

The integration of a molten salt secondary loop for campus infrastructure is particularly noteworthy. This feature demonstrates practical thermal applications beyond electricity generation, potentially including district heating, process heat for research facilities, or other campus energy needs. This dual-use capability enhances the technology's value proposition.

The university setting provides an ideal environment for demonstrating this technology, as academic institutions have established nuclear expertise, controlled operating environments, and legitimate research applications for such systems. The thermal integration with existing infrastructure suggests real-world testing of complete system functionality rather than merely demonstrating reactor physics.

For NANO Nuclear's broader technology portfolio, this NRC engagement establishes regulatory precedent that could benefit their other microreactor designs. The experience gained through this process with KRONOS will likely inform development pathways for their ODIN, ZEUS, and LOKI systems. This systematic approach to regulatory engagement demonstrates strategic thinking about technology commercialization pathways in the highly regulated nuclear sector.

Pre-application engagement of the Kronos MMR continues through collaboration with the University of Illinois Urbana-Champaign

New York, N.Y., March 11, 2025 (GLOBE NEWSWIRE) -- NANO Nuclear Energy Inc. (NASDAQ: NNE) (“NANO Nuclear” or “the Company”), a leading advanced nuclear energy and technology company focused on developing clean energy solutions, today announced that the U.S. Nuclear Regulatory Commission (NRC) has updated the University of Illinois Urbana-Champaign (U. of I.) project landing page (NRC Project No. 99902094) surrounding the KRONOS MMRTM Energy System pre-application engagement, officially designating NANO Nuclear as the reactor’s designer.

In January 2025, NANO Nuclear acquired certain nuclear energy technology assets from Ultra Safe Nuclear Corporation and its subsidiaries, including the KRONOS MMRTM Energy System. At that time, NANO Nuclear signaled its intent to extend an existing collaboration for this project with U. of I. to demonstrate the system’s technology readiness level. The adjustment to the university’s regulatory docket reflects the ongoing progress of these efforts and underscores NANO Nuclear’s commitment to guiding the KRONOS MMRTM Energy System through demonstration and all applicable regulatory processes.

The proposed research reactor would utilize TRISO particle fuel, helium gas coolant, and graphite moderator. The reactor would be located on the university’s Urbana campus and would have a molten salt secondary loop providing thermal integration with in-place infrastructure.

More information regarding the pre-application can be found on the NRC’s website here: https://www.nrc.gov/reactors/new-reactors/advanced/who-were-working-with/pre-application-activities/university-of-illinois-at-urbana-champaign.html

“We’re thrilled to work alongside U. of I. to advance our KRONOS MMRTM Energy System to the next stage of development and appreciate the NRC’s revision to the University’s construction permit pre-application to reflect NANO Nuclear as the designer,” said Jay Yu, Founder and Chairman of NANO Nuclear Energy. “This update marks a major milestone for NANO Nuclear, initiating our official licensing activities surrounding the KRONOS MMRTM with the NRC. Establishing this relationship is pivotal to the ongoing development of our suite of portable microreactor technologies, including ODIN, ZEUS and LOKI MMRTM currently in development.”


Figure 1 - NANO Nuclear Energy Inc. Designated as Reactor Designer in the University of Illinois Urbana-Champaign’s Construction Permit Pre-application.

“We anticipate that our collaboration with U. of I. will demonstrate to U.S. nuclear regulators that the KRONOS MMRTM meets the necessary standards to continue its progress through the licensing pathways,” said James Walker, Chief Executive Officer of NANO Nuclear Energy. “The revision to Illinois’ construction permit pre-application highlights our commitment to this technology and signals our intention to move our energy systems through the regulatory demonstration and licensing process and closer to commercialization, utilizing some of the most sophisticated and advanced facilities in the country.”

About NANO Nuclear Energy, Inc.

NANO Nuclear Energy Inc. (NASDAQ: NNE) is an advanced technology-driven nuclear energy company seeking to become a commercially focused, diversified, and vertically integrated company across five business lines: (i) cutting edge portable and other microreactor technologies, (ii) nuclear fuel fabrication, (iii) nuclear fuel transportation, (iv) nuclear applications for space and (v) nuclear industry consulting services. NANO Nuclear believes it is the first portable nuclear microreactor company to be listed publicly in the U.S.

Led by a world-class nuclear engineering team, NANO Nuclear’s reactor products in development include patented KRONOS MMR Energy System, a stationary high-temperature gas-cooled reactor that is in construction permit pre-application engagement U.S. Nuclear Regulatory Commission (NRC) in collaboration with University of Illinois Urbana-Champaign (UIUC), “ZEUS”, a solid core battery reactor, and “ODIN”, a low-pressure coolant reactorand space focused, portable LOKI MMR™, each representing advanced developments in clean energy solutions that are portable, on-demand capable, advanced nuclear microreactors. 

Advanced Fuel Transportation Inc. (AFT), a NANO Nuclear subsidiary, is led by former executives from the largest transportation company in the world aiming to build a North American transportation company that will provide commercial quantities of HALEU fuel to small modular reactors, microreactor companies, national laboratories, military, and DOE programs. Through NANO Nuclear, AFT is the exclusive licensee of a patented high-capacity HALEU fuel transportation basket developed by three major U.S. national nuclear laboratories and funded by the Department of Energy. Assuming development and commercialization, AFT is expected to form part of the only vertically integrated nuclear fuel business of its kind in North America.

HALEU Energy Fuel Inc. (HEF), a NANO Nuclear subsidiary, is focusing on the future development of a domestic source for a High-Assay, Low-Enriched Uranium (HALEU) fuel fabrication pipeline for NANO Nuclear’s own microreactors as well as the broader advanced nuclear reactor industry.

NANO Nuclear Space Inc. (NNS), a NANO Nuclear subsidiary, is exploring the potential commercial applications of NANO Nuclear’s developing micronuclear reactor technology in space. NNS is focusing on applications such as the LOKI MMR system and other power systems for extraterrestrial projects and human sustaining environments, and potentially propulsion technology for long haul space missions. NNS’ initial focus will be on cis-lunar applications, referring to uses in the space region extending from Earth to the area surrounding the Moon's surface.

For more corporate information please visit: https://NanoNuclearEnergy.com/

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Email: IR@NANONuclearEnergy.com
Business Tel: (212) 634-9206

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Cautionary Note Regarding Forward Looking Statements

This news release and statements of NANO Nuclear’s management in connection with this news release contain or may contain “forward-looking statements” within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995. In this context, forward-looking statements mean statements related to future events, which may impact our expected future business and financial performance, and often contain words such as “expects”, “anticipates”, “intends”, “plans”, “believes”, “potential”, “will”, “should”, “could”, “would” or “may” and other words of similar meaning. In this press release, forward-looking statements relate to the anticipated benefits of the Company’s collaboration with UIUC and the anticipated future development, regulatory and commercial milestones for the KRONOS MMR Energy System. These and other forward-looking statements are based on information available to us as of the date of this news release and represent management's current views and assumptions. Forward-looking statements are not guarantees of future performance, events or results and involve significant known and unknown risks, uncertainties and other factors, which may be beyond our control. For NANO Nuclear, particular risks and uncertainties that could cause our actual future results to differ materially from those expressed in our forward-looking statements include but are not limited to the following: (i) risks related to our U.S. Department of Energy (“DOE”) or related state or non-U.S. nuclear fuel licensing submissions, (ii) risks related the development of new or advanced technology and the acquisition of complimentary technology or businesses, including difficulties with design and testing, cost overruns, regulatory delays, integration issues and the development of competitive technology, (iii) our ability to obtain contracts and funding to be able to continue operations, (iv) risks related to uncertainty regarding our ability to technologically develop and commercially deploy a competitive advanced nuclear reactor or other technology in the timelines we anticipate, if ever, (v) risks related to the impact of U.S. and non-U.S. government regulation, policies and licensing requirements, including by the DOE and the U.S. Nuclear Regulatory Commission, including those associated with the recently enacted ADVANCE Act, and (vi) similar risks and uncertainties associated with the operating an early stage business a highly regulated and rapidly evolving industry. Readers are cautioned not to place undue reliance on these forward-looking statements, which apply only as of the date of this news release. These factors may not constitute all factors that could cause actual results to differ from those discussed in any forward-looking statement, and NANO Nuclear therefore encourages investors to review other factors that may affect future results in its filings with the SEC, which are available for review at www.sec.gov and at https://ir.nanonuclearenergy.com/financial-information/sec-filings. Accordingly, forward-looking statements should not be relied upon as a predictor of actual results. We do not undertake to update our forward-looking statements to reflect events or circumstances that may arise after the date of this news release, except as required by law.

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FAQ

What is the significance of NRC designating NANO Nuclear as KRONOS MMR designer?

This designation marks NANO Nuclear's first official licensing activities with the NRC for KRONOS MMR, representing a important step toward regulatory approval and commercialization.

What are the key technical features of the KRONOS MMR reactor by NNE?

The reactor uses TRISO particle fuel, helium gas coolant, graphite moderator, and includes a molten salt secondary loop for thermal integration.

When did NANO Nuclear acquire the KRONOS MMR technology?

NANO Nuclear acquired the KRONOS MMR technology assets from Ultra Safe Nuclear in January 2025.

Where will the KRONOS MMR reactor by NNE be located?

The reactor will be located on the University of Illinois Urbana-Champaign's Urbana campus.
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