Location
Headquarters: Rockville, Maryland, United States, North America
Region: Maryland
Country: US
Continent: North America
About
X-energy is a nuclear energy company focused on design and production of advanced nuclear reactors and TRISO fuel. The company develops Generation IV high-temperature gas cooled reactors (SMR) and associated fuel technology to power them, emphasizing passive safety features and fuel fabrication capabilities. Headquartered in the United States, X-energy highlights its Xe-100 reactor platform, XENITH reactor concepts, and TRISO-X fuel as core offerings for safe, scalable nuclear energy. The organization markets its expertise toward clean energy generation, industrial applications, and space-related nuclear needs.
X-energy designs and manufactures advanced nuclear technologies, specifically high-temperature gas-cooled small modular reactors and TRISO-X fuel. Its flagship Xe-100 reactor provides clean energy for industrial applications, hydrogen production, and space exploration. The company serves energy providers and heavy industries seeking decarbonization solutions through scalable nuclear power.
X-Energy, LLC.
2009
for_profit
active
Industries
Primary Industry: Business Services
Categories
Funding & Financials
Private Equity
1400000000
over-1b
private
XE
nyse
Investors
Founders
Kam Ghaffarian
Leadership
Technology Stack
Products
Xe-100 Advanced Small Modular Reactor: A Generation IV high-temperature gas-cooled nuclear reactor designed for clean energy generation at industrial and grid scale.
TRISO-X Advanced Nuclear Fuel: A proprietary tristructural isotropic (TRISO) nuclear fuel designed for use in advanced nuclear reactors.
Mobile Microreactor (Xe-Mobile): A transportable advanced nuclear microreactor prototype designed for mobile and remote power applications.
TRISO-X Fuel Fabrication Facility: A commercial-scale facility dedicated to the fabrication of TRISO nuclear fuel for advanced reactors.
Plant Support Center for Xe-100 Reactor Operators: A training center designed to support operators of the Xe-100 advanced small modular reactor fleet.
Funding rounds
IPO · (2026-04-24)
Private Equity · $5M · (2026-01-28) · Lead: Stack Capital
Series D · $700M · (2025-11-24) · Lead: Jane Street Capital