Nuclear expertise firm X-energy introduced that has raised over $1 billion by its preliminary public providing, promoting 44.3 million shares at a worth of $23, as the corporate continues to scale as much as deploy superior small modular reactors (SMRs) for firms together with Amazon, Dow and Centrica.
The IPO outcomes indicated robust demand, with the providing upsized from 42.9 million shares, and the value coming in properly above the estimated $16-$19.
SMRs are superior nuclear reactors which can be considerably smaller than conventional nuclear energy crops, offering advantages together with sooner construct instances and the power to be deployed nearer to the grid, whereas producing carbon-free power. The expertise has come into rising focus as an answer to satisfy the quickly rising energy wants pushed by industrial electrification and energy-hungry information facilities.
Based in 2009, Rockville, Maryland-based X-Power is a developer of nuclear reactor and gasoline expertise. The corporate’s TRISO-X gasoline seals uranium particles in a protecting coating, which might stand up to excessive temperatures with out melting, making it extremely immune to gasoline failure and launch of radioactive supplies, eliminating the necessity for large containment services. The corporate’s SMR reactor, Xe-100 is a high-temperature gas-cooled reactor operates at temperatures greater than 750°C, and comprises greater than 200,000 TRISO-X-based gasoline pebbles, that are gravity-fed in steady rotation by the core, permitting the reactor to run with out gasoline interruption for 60 years. Helium is circulated by the core, absorbing immense warmth, and is used to boil water into steam to show a turbine for the manufacturing of carbon-free power.
Amazon’s Local weather Pledge Fund led a $500 million financing spherical for X-Power in 2024, and the nuclear tech firm additionally signed an settlement with Amazon to convey greater than 5 GW of initiatives on-line throughout the U.S. by 2039. The corporate closed a further $700 million financing spherical in November 2025.
In March, X-Power stated that it’s at present growing greater than 11 GW of recent nuclear capability throughout business partnerships within the U.S. and UK, together with a proposed four-unit Xe-100 plant for Dow n Texas to energy industrial processes, supported by the U.S. Division of Power’s Superior Reactor Demonstration Program, and a 6 GW dedication with British multinational power and providers firm Centrica, along with the Amazon partnership.













