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2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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Antares achieves zero-power criticality at INL
Leveraging more than $140 million in private capital fundraising, over 322,000 square feet of operational manufacturing space, and multifaceted partnerships with the Departments of Energy and Defense, reactor start-up Antares has become the first company involved in the Reactor Pilot Program to achieve zero-power fueled criticality—a full month ahead of the July 4 deadline set by President Trump’s Executive Order 14301.
This milestone, announced yesterday, was achieved with the company’s Mark-0: a sodium heat-pipe-cooled, TRISO-fueled microreactor. The Mark-0 is a forerunner to the company’s flagship design, which it calls the R1. For Antares, this development represents a key validation of its reactor physics, control systems, and supply chain.
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Entergy Corporation (NYSE: ETR) is an integrated energy company engaged in electric power production, transmission and retail distribution operations. Entergy delivers electricity to 3 million utility customers in Arkansas, Louisiana, Mississippi and Texas. Entergy owns and operates one of the cleanest large-scale U.S. power generating fleets with approximately 30,000 megawatts of electric generating capacity, including 8,000 megawatts of nuclear power. Headquartered in New Orleans, Louisiana, Entergy has annual revenues of $10 billion and more than 13,000 employees. Learn more at entergy.com and follow @Entergy on social media.
Interested in joining us? Go to https://jobs.entergy.com/ for company and career opportunities!
Career Fair Contact:
Name: Terrence C. Brimfield and James Laborde
Email: tbrimfi@entergy.com and jlabord@entergy.com
Thursday, April 8
12:00 - 16:00 PM EDT - Live chat Q&A Entergy staffVisit Booth
Meeting number (access code): 145 446 5179
Meeting password: nxCQ5nBBg48
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