DEEP RESEARCH · X-ENERGY/SMR

X-energy: Due Diligence on AI Power Demand and Next-Generation SMR Commercialization

A review of Xe-100, TRISO-X, Amazon and Dow demand, the Team Korea supply chain, and HALEU risk.

Published: 2025-12-31 · Nuclear/SMR/AI infrastructure analysis · Naver Blog

0. Bottom line first

1. Purpose and investment highlights

AI data-center power shortage and net zero are problems that must be solved together. The source places SMRs at this intersection and evaluates X-energy against NuScale, TerraPower, and Oklo.

Official fact: X-energy raised about USD 700M in a Jane Street-led Series D in November 2025. Including the earlier Amazon-led USD 500M Series C-1, the source says it recently secured more than USD 1.2B of private capital. Later in the text, it says the C-1 increased to USD 700M and that X-energy secured about USD 1.4B~1.5B over roughly a year.

Interpretation: The important point is that after withdrawing its SPAC listing, X-energy raised capital from strategic and financial investors while avoiding public-market volatility. Although revenue has not yet scaled, the source estimates current post-money valuation at at least the mid-USD 3B range to above USD 4B.

2. Macro: AI and nuclear converge

Official fact: Citing Goldman Sachs, the source says data-center power consumption is expected to rise by more than 160% by 2030. Generative-AI training and inference require massive around-the-clock power, which intermittent renewables alone struggle to supply.

Amazon, Microsoft, and Google need 24/7 firm power without compromising net-zero targets. The source says Amazon is building a data-center power strategy through equity investment and PPAs with X-energy; Microsoft is linked with TerraPower and Constellation’s Three Mile Island restart PPA; and Google signed a PPA with Kairos Power.

Official fact: The U.S. government is advancing next-generation nuclear through the Genesis Mission, tying AI and energy security. The ADVANCE Act and IRA technology-neutral zero-carbon electricity credits improve SMR economics, and NRC has signaled modernization that could shorten reviews to 18~24 months.

3. X-energy: management, Xe-100, TRISO-X

X-energy was founded in 2009 by Dr. Kam Ghaffarian. The source notes his experience founding and selling NASA engineering contractor SGT and co-founding Axiom Space and Intuitive Machines. CEO Clay Sell previously served as U.S. Deputy Secretary of Energy under President George W. Bush, and X-energy hired former Amazon executive Daniel Gross as CFO.

4. Project pipeline and Team Korea

Official fact: The Dow Seadrift project will build four Xe-100 units, totaling 320MWe, at Dow’s Seadrift, Texas manufacturing site to supply power and process heat. X-energy submitted the construction permit application to NRC in March 2025, and NRC set an 18-month fast-track review schedule. The source mentions potential construction permit receipt and construction start around late 2026.

Official fact: The source says Amazon agreed to deploy more than 5GW of Xe-100 units across the U.S. by 2039. The first step is a 4-unit, 320MW project near Richland, Washington with Energy Northwest, with potential expansion to 12 units and 960MW.

Interpretation: X-energy’s distinction is that it has visible customers, sites, review schedules, and manufacturing slots rather than only broad MOUs. In FOAK nuclear projects, execution partners can matter as much as the design itself.

5. Peer comparison

Interpretation: X-energy is not necessarily the company with the flashiest technology. It is relatively balanced because it targets both electricity and industrial heat, while bundling fuel, demand, manufacturing, and EPC execution.

6. Risks: HALEU, FOAK, policy

Official fact: Many advanced reactors, including X-energy’s Xe-100, use HALEU enriched to 5~20%. The source says commercial-scale HALEU supply is currently effectively concentrated in Russia’s Tenex.

• HALEU supply chain: If Russian supply is cut off, projects may not be able to operate. The U.S. government is investing more than USD 2.7B to secure HALEU enrichment capability, and Centrus Energy is expanding enrichment facilities.
• FOAK construction: First-of-a-kind projects often face cost overruns and delays. The NuScale UAMPS failure was driven by commodity inflation and high rates.
• Policy/regulation: Subsidy cuts or permitting delays can follow political shifts. The source sees bipartisan SMR support and Genesis Mission inclusion as partial protection.

Interpretation: TRISO-X internalizes fuel fabrication, but enriched uranium feedstock still depends on external factors. So X-energy’s fuel risk should be separated into “can it fabricate fuel?” and “can it reliably procure enriched feedstock?”

7. Conclusion and monitoring points

The source conclusion is Positive. X-energy is private, so direct investment is difficult, but related value-chain companies such as Doosan Enerbility and DL E&C are presented as ways to participate in X-energy’s growth. If an IPO becomes available, the source views participation as an attractive option.

1. Dow Seadrift construction permit: CPA approval expected around late 2026 is the most important milestone.
2. TRISO-X Oak Ridge fuel plant: Completion and operation would signal reduced fuel-supply risk.
3. Amazon/Energy Northwest expansion: Watch whether the project expands from four units and 320MW to 12 units and 960MW.
4. Team Korea manufacturing slots: Doosan Enerbility’s component reservation needs to become actual fabrication and delivery.

Interpretation: X-energy’s ability to supply heat as well as electricity gives it strong industrial-energy market potential. The source rates it as the current SMR market “Top Pick” based on technology maturity, business scalability, and financial stability.