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electronicsAugust 4, 2026

Nuclear Graphite Expansion Boosts Advanced Reactor Supply

X-energy's $8M investment in nuclear graphite aims to support up to eight reactors annually, impacting ASEAN factories.

Nuclear Graphite Expansion Boosts Advanced Reactor Supply for ASEAN Factories \\[10] In a significant move that could reshape the energy landscape for Southeast Asian factories, X-energy, a Maryland-based advanced nuclear company, is investing up to $8 million to expand the supply of specialized nuclear graphite. This investment will go to SGL Carbon, a leading manufacturer of nuclear-grade graphite, which will upgrade its facility in Chedde, France, to double its production capacity by 2030. The expansion is aimed at supporting the material needs for as many as eight Xe-100 reactors per year, a critical step in addressing the growing demand for advanced nuclear projects. \\[10] For factories in Thailand, Vietnam, Indonesia, and Malaysia, this development means a more reliable and sustainable energy source. The Xe-100 reactors, which use pebble-bed technology, are designed to be safer and more efficient than traditional nuclear reactors. The specialized graphite, known as NBG-18, plays a dual role in these reactors: it acts as a neutron moderator and a structural component. This makes a dependable supply of high-quality graphite essential for both the design and operation of the reactors. \\[10] SGL Carbon has already begun producing NBG-18 billets in France under a three-year contract worth over $100 million. These billets are then shipped to SGL facilities in the United States for machining into reactor components. X-energy has also initiated non-nuclear testing and validation of the material at its Technology Advancement Center in Frederick, Maryland. This rigorous testing ensures that the graphite meets the stringent safety and performance standards required for nuclear applications. \\[10] The partnership between X-energy and SGL Carbon is part of a broader strategy to strengthen the global nuclear supply chain. By expanding production capacity, the companies aim to meet the increasing demand for advanced nuclear projects, particularly in regions like Southeast Asia where energy security and sustainability are top priorities. For ASEAN countries, this means a more robust and resilient energy infrastructure, capable of supporting industrial growth and reducing reliance on fossil fuels. \\[10] As X-energy prepares for its first commercial deployment of the Xe-100 reactors, the expanded graphite supply will be crucial. The proposed four-reactor plant, developed in collaboration with Dow under the Department of Energy’s Advanced Reactor Demonstration Program, will serve as a model for future projects. This initiative not only supports the development of advanced nuclear technology but also creates new opportunities for local industries to participate in the nuclear supply chain. \\[10] For factory buyers in ASEAN, the increased availability of nuclear graphite and the subsequent deployment of advanced reactors offer a promising solution to their energy needs. The reliability and efficiency of these reactors can help reduce operational costs and improve overall productivity, making them an attractive option for industrial applications. As the region continues to prioritize sustainable and clean energy solutions, the expansion of nuclear graphite production is a significant step towards a more secure and sustainable energy future. \\[10] **Takeaway for Factory Buyers:** The expansion of nuclear graphite production by X-energy and SGL Carbon will provide a more reliable and sustainable energy source for ASEAN factories. This development not only supports the deployment of advanced nuclear reactors but also offers a cost-effective and efficient solution for industrial energy needs, contributing to the region's long-term energy security and sustainability goals.

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Editorial rewrite by ASEAN Machine team, based on public reporting from Interesting Engineering, with added ASEAN manufacturing context.

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