Q+A Part Two: Energy Independence, Security, and the Role of Portable Microreactors

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In the second part of our interview, James Walker discusses how NANO Nuclear’s subsidiaries contribute to U.S. energy independence and security, the role of portable microreactors in U.S. energy policy, and the transition to cleaner energy sources.

Q: How do your subsidiaries, HALEU Energy Fuel Inc. and Advanced Fuel Transportation Inc., contribute to maintaining energy independence and security for the U.S.?

JW: HALEU Energy Fuel Inc. and Advanced Fuel Transportation Inc. contribute by establishing domestic HALEU fuel fabrication facilities, which decrease reliance on international suppliers and ensure a steady fuel supply. This enhances national self-sufficiency and supply chain resilience. The vertically integrated system reduces the risk of interruptions and allows for strategic stockpiling, providing a buffer against global shortages. The facilities also create high-tech jobs and stimulate economic growth.

Regarding energy security, HALEU-fueled microreactors provide stable power in remote locations and military bases and during emergencies, enhancing grid resilience. The domestic HALEU supply supports the development of advanced nuclear technologies and allows for rapid deployment in response to changing energy needs. This contributes to national security by reducing vulnerability to international pressures and securing fuel delivery. Additionally, the use of nuclear energy, including HALEU-fueled reactors, supports environmental goals by reducing dependence on fossil fuels and integrating efficient waste management practices.

Q: What role do portable microreactors play in the broader context of U.S. energy policy and the transition to cleaner energy sources?

JW: Portable microreactors enhance grid resilience by providing localized power generation and reliable backup for critical infrastructure. They support remote and off-grid communities by offering clean energy that improves living standards and fosters economic growth. Microreactors facilitate the integration of renewable energy sources by providing baseload power and maintaining grid stability. They also contribute to decarbonizing the energy supply by replacing fossil fuels and reducing greenhouse gas emissions.

In terms of national security, they offer energy independence and rapid deployment capabilities. Portable microreactors can aid in disaster response and recovery efforts, providing essential power during crises. Economically, they support industrial decarbonization and offer scalable energy solutions. The deployment of microreactors positions the U.S. as a leader in advanced nuclear technology, promotes innovation, and supports environmental and climate goals by meeting emission reduction targets and complementing renewable energy sources.


HALEU is set to revolutionize the nuclear industry. From its role in enhancing reactor safety to its potential for reducing waste and supporting advanced reactor designs, HALEU is central to the future of nuclear energy. In Part One of this series, we covered key aspects of HALEU, including:

  • Safety Features: HALEU supports advanced safety systems like passive cooling and gravity-driven shutdown mechanisms.
  • Performance Advantages: It enables more compact reactor designs and longer operational cycles.
  • Economic Impact: HALEU reduces refueling frequency and waste generation, making reactors more cost-effective.
  • Energy Independence: It contributes to domestic fuel production and strengthens national security.
  • Advanced Reactor Integration: HALEU is crucial for developing new, flexible reactor designs that meet modern energy needs.

For a deeper dive, revisit Part One of our exclusive interview here.

Environment + Energy Leader