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X-energy

x-energy.com ↗
PROCESS SCHEMATIC · NUCLEAR / HTGR LIVE
Founded
2009
Stage
SERIES D
Raised
$2B
HQ
ROCKVILLE, MD
Layer
MANUFACTURING

80MWe high-temperature gas reactor (HTGR) developer with a TRISO-X fuel subsidiary; over $1.5B raised.

Funding history

RoundAmountDateLead
Series C$235M2023-12Ares Management
Series C-1$700M2025-02Amazon Climate Pledge Fund
Series D$700M2025-11Jane Street
Upstream
HALEU fuel (Centrus Energy)heavy forgings (Doosan Enerbility)
Downstream
data centers
Related
General MatterStandard NuclearDeep FissionMarathon Fusion

Sources

X-energy Closes Oversubscribed $700 Million Series D Financing Round ↗X-energy Closes Upsized $700 Million Series C-1 Financing Round ↗X-energy rides nuclear wave, raises $700M Series D — TechCrunch ↗X-energy Finalizes $235 Million Series C Financing ↗