Terra Innovatum Announces Progress with the U.S. Nuclear Regulatory Commission (USNRC); Comprehensive Design and Safety Submissions Now Under Regulatory Review
NEW YORK CITY, NY / ACCESS Newswire / August 22, 2025 / Terra Innovatum Srl (“Terra Innovatum,” or the “Company”), a developer of micro-modular nuclear reactors, and GSR III Acquisition Corp. (Nasdaq:GSRT), a publicly traded special purpose acquisition company, today announced significant progress in the licensing process for the Company’s SOLO Micro-Modular Reactor (SOLO MMR), which is currently under review by the U.S. Nuclear Regulatory Commission (NRC).
In January 2025, before announcing its intention to go-public and signing a Business Combination Agreement (“BCA”) with GSR III Acquisition Corp, Terra Innovatum submitted its Regulatory Engagement Plan to the NRC, establishing a structured framework for regulatory interactions under the non-power reactor licensing pathway outlined in NUREG-1537. Since then, the Company has been executing the plan as per its time-table and it has been advancing regulatory discussions with the agency consistently.
Several technical documents, including white papers and topical reports, have been submitted by the Company and formally discussed with NRC staff. By addressing individual chapters of the final licensing application in advance, these submittals allow the NRC staff to evaluate key technical and safety elements earlier in the process. This stepwise approach not only provides detailed insight into the design and safety features of the SOLO MMR but also helps streamline the overall review by reducing potential bottlenecks once the full application is filed.
A key document filed, was the submission of the Principal Design Criteria (PDC) topical report for the SOLO MMR. The PDC defines the fundamental safety and design requirements that form the basis for the reactor’s licensing review. Following its readiness review, the NRC accepted the report for full technical evaluation. In a formal letter dated July 30, 2025, the NRC indicated its intent to complete the review process by the end of 2025 and to issue a Safety Evaluation (SE) of the PDC report by April 2026.
“These milestones represent a significant step forward in the licensing process for the SOLO MMR and reaffirm the strength of our collaborative approach with the NRC,” said Cesare Frepoli, Co-Founder, COO & Director of Regulatory Affairs at Terra Innovatum. “By advancing our design and safety submissions in a structured, stepwise manner, we are laying a clear foundation for regulatory confidence while demonstrating the robustness of our technology. We value the NRC’s constructive engagement and look forward to continued collaboration as we progress toward licensing, deployment, and ultimately bringing this innovative reactor into real-world applications.”
Giordano Morichi – Partner, Chief Business Development Officer & Investor Relations concluded: “The SOLO MMR was conceived with embedded Safeguards-by-Design, ensuring that proliferation resistance and security considerations are integrated at the earliest stages of development. This not only strengthens compliance with international non-proliferation requirements but also facilitates regulatory acceptance across diverse markets, from the United States to Europe and beyond. By addressing safeguards upfront, SOLO uniquely positions itself for scalable global deployment and commercial adoption.”
The SOLO MMR is a 1 MWe, helium-cooled reactor designed to operate with commercially available low-enriched uranium fuel. Its inherent safety characteristics, modular construction, and simplified operations provide a cost-effective, scalable solution for industrial users requiring reliable heat and power. Unlike traditional nuclear systems, SOLO can be deployed off-grid, supports flexible siting with a small land footprint, and offers simplified maintenance through factory fabrication and modular replacement.
ABOUT TERRA INNOVATUM & SOLOTM
Terra Innovatum’s mission is to make nuclear power accessible. We deliver simple and safe micro-reactor solutions that are scalable, affordable and deployable anywhere 1 MWe at a time.
Terra Innovatum is a pioneering force in the energy sector, dedicated to delivering innovative and sustainable power solutions. Terra Innovatum plans to leverage cutting-edge nuclear technology through the SOLO™ Micro-Modular Reactor (SMR™) to provide efficient, safe, and environmentally conscious energy. With a mission to address global energy shortages, Terra Innovatum combines extensive expertise in nuclear industry design, manufacturing, and installation licensing to offer disruptive energy solutions. Committed to propelling technological advancements, Terra Innovatum and SOLO™ are dedicated to fostering prosperity and sustainability for humankind.
It is anticipated that SOLO™ will be available globally within the next three years. Conceptualized in 2018 and engineered over six years by experts in nuclear safety, licensing, innovation, and R&D, SOLO™ addresses pressing global energy demands with a market-ready solution. Built from readily available commercial off-the-shelf components, the proven licensing path for SOLO™ enables rapid deployment and minimizes supply chain risks, ensuring final cost predictability. In addition to standard, readily-available LEU, SOLO™ can utilize both LEU+ and HALEU, offering a platform ready to transition to future fuel supplies.
SOLO™ will offer a wide range of versatile applications, providing CO2-free, behind-the-meter, and off-grid power solutions for data centers, mini-grids serving remote towns and villages, and large-scale industrial operations in hard-to-abate sectors like cement production, oil and gas, steel manufacturing, and mining. It also has the ability to supply heat for industrial applications and other specialized processes, including water treatment, desalination and co-generation. Thanks to its modular design, SOLO™ can easily scale to deliver up to 1GW or more of CO2-free power with a minimal footprint, making it an ideal solution for rapidly replacing fossil fuel-based thermal plants. Beyond electricity and heat generation, SOLO™ can also contribute to critical applications in the medical sector by producing radioisotopes essential for oncology research and cancer treatment.
To learn more, visit: www.terrainnovatum.com.
CONTACTS
Giordano Morichi
Partner, Chief Business Development Officer & Investor Relations
Terra Innovatum Srl
E: g.morichi@terrainnovatum.com
W: www.terrainnovatum.com
Anantha Ramamurti
President, Chief Financial Officer
GSR III Acquisition Corp
E: anantha@gsrspac.com
P: (949) 468-7434
Nicholas Hresko-Staab
Vice President
Investor & Media Relations
Alliance Advisors IR
E: TerraIR@allianceadvisors.com
IMPORTANT INFORMATION FOR SHAREHOLDERS
This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities or constitute a solicitation of any vote or approval.
In connection with their pending business combination, a Dutch public limited liability company (“Pubco”), GSR III Acquisition Corp. (“GSRT”) and Terra Innovatum s.r.l. (“Terra Innovatum” and, together with GSR III and Pubco, the “Registrant Parties”) have filed with the SEC a registration statement on Form S-4 (the “Registration Statement”), which includes a preliminary prospectus of Pubco relating to the offer of securities to be issued in connection with the business combination, and a preliminary proxy statement of GSRT to be distributed to holders of GSRT’s ordinary shares in connection with GSRT’s solicitation of proxies for a vote by GSRT’s shareholders with respect to the Business Combination and other matters described in the Registration Statement. The Registrant Parties also plan to file other documents with the SEC regarding the business combination. After the Registration Statement has been declared effective by the SEC, a definitive proxy statement/prospectus will be mailed to the shareholders of GSRT. INVESTORS OF THE REGISTRANT PARTIES ARE URGED TO READ THE REGISTRATION STATEMENT, THE PROXY STATEMENT/PROSPECTUS CONTAINED THEREIN (INCLUDING ALL AMENDMENTS AND SUPPLEMENTS THERETO) AND ALL OTHER DOCUMENTS RELATING TO THE BUSINESS COMBINATION THAT WILL BE FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE BUSINESS COMBINATION.
Investors will be able to obtain free copies of the proxy statement/prospectus and other documents containing important information about the Registrant Parties once such documents are filed with the SEC, through the website maintained by the SEC at http://www.sec.gov. In addition, the documents filed by GSRT may be obtained free of charge by written request to GSRT at 5900 Balcones Drive, Suite 100, Austin TX 78731.
PARTICIPANTS IN THE SOLICITATION
Each of the Registrant Parties, and their respective directors and executive officers, may be considered participants in the solicitation of proxies with respect to the potential transaction described in this communication under the rules of the SEC. Information about the directors and executive officers of GSRT is set forth in GSRT’s filings with the SEC. Information regarding other persons who may, under the rules of the SEC, be deemed participants in the solicitation of the shareholders in connection with the potential transaction and a description of their direct and indirect interests will be set forth in the Registration Statement (and will be included in the proxy statement/prospectus) and other relevant documents when they are filed with the SEC. These documents can be obtained free of charge from the sources indicated above.
FORWARD LOOKING STATEMENTS
The statements contained in this press release that are not purely historical are forward-looking statements. These forward-looking statements include, but are not limited to, statements regarding our expectations, hopes, beliefs, intentions or strategies regarding the future. In addition, any statements that refer to projections, forecasts or other characterizations of future events or circumstances, including any underlying assumptions, are forward-looking statements. The words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intends,” “may,” “might,” “plan,” “possible,” “potential,” “predict,” “project,” “should,” “would” and similar expressions may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking.
The forward-looking statements contained in this press release are based on our current expectations and beliefs concerning future developments and their potential effects on GSRT and the other Registrant Parties. There can be no assurance that future developments affecting GSRT and the other Registrant Parties will be those that we have anticipated. These forward-looking statements speak only as of the date this press release is delivered and involve a number of risks, uncertainties (some of which are beyond our control) or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by these forward-looking statements. Should one or more of these risks or uncertainties materialize, or should any of our assumptions prove incorrect, actual results may vary in material respects from those projected in these forward-looking statements. Factors that may cause actual results to differ materially from current expectations include, but are not limited to: (1) the occurrence of any event, change or other circumstances that could give rise to the termination of the definitive agreements with respect to the Business Combination; (2) the outcome of any legal proceedings that may be instituted against GSRT, any of the Registrant Parties, the combined company or others following the announcement of the Business Combination and any definitive agreements with respect thereto; (3) the inability to complete the Business Combination due to the failure to obtain approval of the shareholders of GSRT or the SEC’s declaration of the effectiveness of the Registration Statement (which will include the proxy statement/prospectus contained therein) to be filed by the Registrant Parties or to satisfy other conditions to closing; (4) changes to the proposed structure of the Business Combination that may be required or appropriate as a result of applicable laws or regulations or as a condition to obtaining regulatory approval of the Business Combination; (5) the ability of Pubco to meet stock exchange listing standards following the consummation of the Business Combination; (6) the risk that the Business Combination disrupts current plans and operations of Terra Innovatum as a result of the announcement and consummation of the Business Combination; (7) the ability to recognize the anticipated benefits of the Business Combination, which may be affected by, among other things, competition, the ability of the combined company to grow and manage growth profitably, maintain relationships with customers and suppliers and retain its management and key employees; (8) costs related to the Business Combination, including the reorganization described in the business combination agreement; (9) changes in applicable laws or regulations; (10) the possibility that the Registrant Parties or the combined company may be adversely affected by other economic, business, and/or competitive factors; (11) the amount of redemption requests made by GSRT shareholders and (12) other risk factors described herein as well as the risk factors and uncertainties described in the Form S-4 and GSRT’s other filings with the SEC, as well as any further risks and uncertainties to be contained in the proxy statement/prospectus filed after the date hereof. In addition, there may be additional risks that neither GSRT nor any of the other Registrant Parties presently know, or that GSRT or the other Registrant Parties currently believe are immaterial, that could also cause actual results to differ from those contained in the forward-looking statements. Nothing in this communication should be regarded as a representation by any person that the forward- looking statements set forth herein will be achieved or that any of the contemplated results of such forward-looking statements will be achieved. You should not place undue reliance on forward-looking statements, which speak only as of the date they are made.
None of GSRT, the other Registrant Parties, or any of their respective affiliates, officers, employees or agents, makes any representation or warranty, either express or implied, in relation to the fairness, reasonableness, adequacy, accuracy, completeness or reliability of the information, statements or opinions, whichever their source, contained in this press release or any oral information provided in connection herewith, or any data it generates and accept no responsibility, obligation or liability (whether direct or indirect, in contract, tort or otherwise) in relation to any of such information. GSRT, the other Registrant Parties and their respective affiliates, officers, employees and agents further expressly disclaim any and all liability relating to or resulting from the use of this press release and any errors therein or omissions therefrom. Further, the information contained herein is preliminary, is provided for discussion purposes only, is only a summary of key information, is not complete and is subject to change without notice.
In addition, the information contained in this press release is provided as of the date hereof and may change, and neither GSRT nor the other Registrant Parties undertakes any obligation to update or revise any forward- looking statements, whether as a result of new information, inaccuracies, future events or otherwise, except as may be required under applicable securities laws.
SOURCE: TERRA INNOVATUM SRL
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