NuCube Expands into Arizona with Phoenix Office and Strategic Leadership Appointment to Accelerate Microreactor Deployment
NuCube Energy, Inc. (“NuCube”), an emerging developer of high-temperature modular microreactor technologies, has announced a major step forward in its growth strategy with the establishment of its first on-the-ground presence in Phoenix, Arizona. Alongside this expansion, the company has appointed Michael Green as its Chief Legal Officer, marking a significant addition to its leadership team. These developments come at a time of accelerating momentum for NuCube, following key recognitions and support from the U.S. Department of Energy (DOE) and growing alignment with industry, academia, and investors.
The decision to expand into Arizona reflects both strategic foresight and market opportunity. The state is rapidly becoming one of the most dynamic energy demand centers in the United States, fueled by the proliferation of data centers, semiconductor manufacturing facilities, and advanced industrial operations. These sectors require continuous, high-density, and increasingly low-carbon energy solutions—placing significant pressure on existing power infrastructure and creating a compelling case for innovative technologies such as microreactors.
NuCube’s advanced microreactor systems are designed to address precisely these challenges. Unlike traditional large-scale nuclear plants, the company’s modular reactors are engineered for distributed deployment, enabling them to be co-located with industrial sites, data centers, and remote facilities. In addition to providing reliable electricity, NuCube’s reactors can generate industrial-grade heat at temperatures reaching up to 1,100°C. This dual capability opens new possibilities for decarbonizing energy-intensive processes across sectors such as manufacturing, chemicals, and materials processing.
Dr. Cristian Rabiti, Co-Founder and Chief Executive Officer of NuCube Energy, emphasized the strategic importance of Arizona in the company’s expansion plans. He highlighted the convergence of factors such as rapid industrial growth, rising electricity demand, and the need for resilient and distributed energy systems as key drivers behind the move. According to Rabiti, establishing a local presence in Phoenix is a critical step in transitioning from technical validation to real-world deployment, allowing NuCube to engage directly with regional stakeholders and accelerate commercialization efforts.
The Arizona expansion is underpinned by recent federal milestones that have strengthened NuCube’s technological and strategic positioning. The company was awarded a voucher under the DOE’s Gateway for Accelerated Innovation in Nuclear (GAIN) program, a key initiative aimed at advancing innovative nuclear technologies. In collaboration with Argonne National Laboratory, this project focuses on validating core aspects of NuCube’s platform, including autonomous operations, remote monitoring, and predictive maintenance. These capabilities are essential for enabling cost-effective and scalable deployment of microreactors, particularly in distributed and remote environments.
In addition to the GAIN award, NuCube has been selected for the DOE’s Nuclear Energy Launch Pad (USA) program in partnership with Idaho State University. This competitive initiative is designed to accelerate the deployment of advanced nuclear technologies by supporting siting, licensing, and early-stage demonstration projects. Under this program, NuCube plans to site its ART Reactor at Idaho State University’s Pocatello campus, providing a critical pathway for testing, validation, and eventual commercialization.
The appointment of Michael Green as Chief Legal Officer further strengthens NuCube’s ability to navigate the complex regulatory and legal landscape associated with nuclear energy development. Green brings more than two decades of experience in energy law and nuclear regulation, making him a valuable asset as the company moves toward deployment and commercialization.
Prior to joining NuCube, Green served as Deputy General Counsel for Strategic Execution at Oklo, a company focused on advanced fission technologies. His career also includes senior legal roles at TerraPower and Pinnacle West Capital Corporation, the parent company of Arizona Public Service. During his tenure at Pinnacle West, Green was involved in legal matters related to the Palo Verde Nuclear Generating Station, the largest nuclear power facility in the United States. His background also includes service as a U.S. Navy officer in the Naval Nuclear Propulsion Program, providing him with a deep understanding of nuclear systems from both operational and regulatory perspectives.
Based in Phoenix, Green will play a central role in building NuCube’s legal and regulatory framework, supporting partnership development, and engaging with Arizona’s broader energy and technology ecosystem. His appointment signals the company’s commitment to establishing a strong and sustainable presence in the region.
NuCube’s expansion into Arizona is also supported by growing collaboration with academic institutions and research organizations. Arizona State University (ASU), a leading center for innovation in engineering and technology, has expressed strong interest in working with the company. The university’s focus on digital infrastructure, cybersecurity, and next-generation energy systems aligns closely with NuCube’s technological approach, particularly in areas such as remote reactor operation and advanced system integration.
Kyle Squires, Dean of the Ira A. Fulton Schools of Engineering at ASU, highlighted the potential for collaboration in research, talent development, and technology deployment. He noted that NuCube’s work addresses critical global energy challenges while also supporting regional economic growth, making it a natural fit for ASU’s strategic priorities.
State-level support further reinforces Arizona’s attractiveness as a hub for advanced energy innovation. The Arizona Commerce Authority has identified energy infrastructure as a key enabler of growth across sectors such as semiconductors, advanced manufacturing, and digital industries. The presence of companies like NuCube is seen as strengthening the state’s position as a national leader in next-generation energy technologies.
Sandra Watson, President and CEO of the Arizona Commerce Authority, emphasized the importance of reliable and modern energy systems in sustaining economic expansion. She described NuCube’s investment in Arizona as a significant contribution to the state’s innovation ecosystem and long-term competitiveness.
Financial backing from regional investors has also played a crucial role in supporting NuCube’s growth. In February 2026, Arizona Nuclear Ventures led a $16 million financing round, with participation from prominent investors including Rob Walton, Jordan Rose Walton, and Emission Reduction Corporation. This funding is intended to advance technical validation, regulatory licensing, and early deployment pathways for the company’s microreactor platform.
Investors have underscored the importance of reliable, affordable, and clean energy in driving economic development. They view NuCube’s technology as a promising solution for meeting future energy needs, particularly in high-growth regions like Arizona. The combination of federal support, academic collaboration, and private investment creates a strong foundation for the company’s continued progress.
Looking ahead, NuCube aims to leverage its Arizona presence to build partnerships, advance deployment planning, and contribute to the development of a robust ecosystem for advanced nuclear technologies. The company’s approach—focused on modularity, scalability, and integration with industrial applications—positions it well to address the evolving demands of modern energy systems.
As electricity demand continues to rise and the need for low-carbon solutions becomes increasingly urgent, technologies like NuCube’s microreactors are expected to play a critical role in shaping the future energy landscape. By establishing a foothold in Arizona and strengthening its leadership team, NuCube is taking decisive steps toward realizing this vision and bringing advanced nuclear innovation into practical, real-world use.
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