eVinci test reaches criticality at 663°C and peak core temperature of 1,011°C, turning physics into evidence and accelerating the pathway to microreactor commercialization

Cranberry Township, PA, September 15, 2026 – Westinghouse Electric Company has successfully completed zero-power high-temperature criticality testing for its eVinci™ microreactor, a defining milestone in the program’s build-test-learn development journey. The work was completed in partnership with Los Alamos National Laboratory and the Nevada National Security Site (NNSS) at the National Criticality Experiments Research Center (NCERC), a National Nuclear Security Administration (NNSA) capability in Nevada.

Program accelerates deployment of advanced nuclear energy for national security

Cranberry Township, PA, August 26, 2026 – Westinghouse Government Services (WGS) announces that the eVinci™ microreactor has been selected by the U.S. Department of the Army for the next phase of the Janus Program.

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.

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).

Cranberry Township, Pa., July 31, 2026 — Westinghouse Electric Company, a supplier of nuclear technology and services to utilities and customers, has confidentially submitted a draft registration statement on Form S-1 with the Securities and Exchange Commission relating to the proposed initial public offering of its common stock.

Springfields, UK – June 30, 2026 – Westinghouse’s Springfields nuclear fuel manufacturing facility in Salwick, Lancashire, has commemorated its eight-decade milestone as the world’s oldest continuous nuclear fuel manufacturing facility by planting 80 trees in its local community.  

Washington, D.C., June 23, 2026 – Westinghouse Electric Company announced today its intention to partner with the U.S. Department of Energy (DOE) Office of Energy Dominance Financing (EDF) on the American Nuclear Supply Chain Loans. The program will enable investment in nuclear supply chains and accelerate deployment of new nuclear generation at scale in the United States.

Cranberry Township, Pa., June 2, 2026 – Westinghouse Electric Company announced the appointment of Johan Lundberg as Executive Vice President of its Global Quality, Environment, Health & Safety function, effective August 3.

Financing Award Recognizes Historic Effort Advancing Poland’s First Nuclear Power Plant

Washington, DC, May 6, 2026 – Polskie Elektrownie Jądrowe (PEJ), Westinghouse Electric Company and Bechtel received the 2026 Energy Dominance Deal of the Year award from the Export-Import Bank of the United States (EXIM) on April 30, 2026. The award recognizes the strong partnership that has been forged between PEJ and the Westinghouse-Bechtel Consortium to build Poland’s first nuclear power plant.

Cranberry Township, Pa., May 5, 2026 – Westinghouse Electric Company announced the appointment of Gaby Poirier as President of its Global Operating Plants business unit.