X-energy Inc.

Rockville, Maryland, USA
Active
HTGR

Company overview

Founded
2009
Total funding
Public company (Nasdaq: XE since April 2026) + DOE ARDP awards
Technology
HTGR — High-Temperature Gas Reactor

About

X-energy designs and manufactures the Xe-100 high-temperature gas-cooled reactor and TRISO-X pebble fuel. Key 2026 milestones: TRISO-X received the first ever NRC Category II licence for commercial TRISO fuel manufacture (February 2026); 10-year graphite supply agreement with SGL Carbon over $100M for first Xe-100 deployment (January 2026); MOU with IHI for US-Japan Xe-100 supply chain for approximately 11.5 GW pipeline (March 2026); LOI with Talen for three or more four-unit Xe-100 plants (~1 GW) in Pennsylvania/PJM (March 2026); IPO at $23/share on Nasdaq (XE) (April 2026); collaboration with Louisville Gas & Electric and Kentucky Utilities/PPL Corporation (April 2026). X-energy is co-developing a flagship Xe-100 demonstration plant with DOW's Seadrift, Texas site and partnering with Amazon on energy supply.

Key investors

Amazon, KHNP, SK Inc., DOE ARDP (co-funding up to $1.2B), Ares Management

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