News & Insights
Westinghouse eVinci™ Microreactor Achieves Zero-Power Criticality
Achievement validates key design assumptions and advances Westinghouse's strategy for microreactor technology

Cranberry Township, PA, August 25, 2026 – Westinghouse Electric Company has successfully completed zero-power criticality testing for its eVinci™ microreactor, which validated the models and core design assumptions of the technology. The test was completed in partnership with Los Alamos and Idaho National Laboratories at the National Criticality Experiments Research Center (NCERC), a National Nuclear Security Administration (NNSA) facility at the Nevada National Security Site (NNSS), on August 24, 2026 at 10:39 a.m. PT.

Westinghouse and Amentum Partner to Expand Delivery Capacity for APX Fleet Deployment

Cranberry Township, PA., August 4, 2026 – Westinghouse Electric Company and Amentum (NYSE: AMTM), a global leader in advanced engineering and technology solutions, have entered into a series of agreements supporting the Westinghouse APX technology platform. These agreements augment Westinghouse capabilities to support fleet-scale deployment of its AP1000® reactor while also advancing the development of the AP300™ small modular reactor (SMR).

Westinghouse Establishes Standard AP1000® Plant for Fleet-Scale Deployment in U.S.

April 6, 2026 – Westinghouse Electric Company has submitted Revision 20 of the AP1000® Design Control Document (DCD) to the U.S. Nuclear Regulatory Commission (NRC), which establishes Plant Vogtle Unit 4 as the standard AP1000 reference plant for U.S. deployment.

Ten-Unit Westinghouse AP1000® Fleet Deployment Will Create More Than $1 Trillion in U.S. GDP

March 11, 2026 - Westinghouse Electric Company released a comprehensive, independent report from PricewaterhouseCoopers LLC (PwC) detailing the significant economic impact of deploying a fleet of 10 AP1000® advanced modular reactors in the United States.

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