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Rendering of Antares Nuclear’s kilowatt-class microreactor system, shown on the NRC’s Antares pre-application activities page. Courtesy: Antares Nuclear/NRC
Nuclear

Antares Mark-0 Becomes First Advanced Nuclear Reactor to Achieve Criticality Under DOE Pilot Program

Antares Nuclear Inc.’s Mark-0—a sodium heat-pipe-cooled microreactor fueled by high-assay low-enriched uranium (HALEU) tri-structural isotropic (TRISO) fuel compacts—has achieved zero-power criticality at Idaho National Laboratory’s (INL’s) Reactor and Critical Experiment (RACE) facility, becoming the first advanced reactor to reach that milestone under the Department of Energy’s (DOE’s) Reactor Pilot Program. The development, announced on June […]

CFS-ARC-Illustration
Fusion

CFS Publishes Papers Validating Physics of ARC Fusion Power Plant

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Fusion

Xcimer Energy Starts Operations of Prototype for Laser Fusion Architecture

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nside a server aisle at Google’s New Albany data center campus in central Ohio. Courtesy: Google
Data Centers

Google Launches 1-GW-Plus Co-Located Data Center and Generation Complex in Texas Panhandle

Pacific Fusion Demonstration System
Fusion

Pacific Fusion Touts Funding, Technical Achievements on Way to Fusion Power

Helion Polaris
Fusion

Helion Announces $465-Million Funding Round to Support Fusion Energy

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Press Releases

AI-Powered Grid Management: Reducing Renewable Electricity Curtailment

Urenco USA's National Enrichment Facility in Eunice, New Mexico—America’s sole commercial enrichment facility—traces its U.S. roots to the 1992 Treaty of Washington, which authorized the deployment of Urenco centrifuge technology on American soil. Although the project was originally planned for Louisiana—and its licensed operator remains Louisiana Energy Services—the facility was built in southeastern New Mexico after the state offered local support. Construction began in 2006, and the facility received the NRC's first combined construction and operating license for a nuclear project in 2010—the same year it began producing enriched uranium. It completed its first customer delivery in March 2012. Since then, Urenco says it has invested about $5 billion in the facility, which now operates 64 cascades producing approximately 4.3 million SWU per year—roughly one-third of current U.S. demand. The illustration above depicts a new enrichment plant Urenco USA plans to build at the same site to add 2.1 million SWU of capacity. Construction is scheduled to begin in 2029, with initial LEU production starting in 2032 and full capacity online by 2036. Courtesy: Urenco USA
Power

America’s Only Commercial Uranium Enricher Is Privately Building a New Plant Amid a Widening Nuclear Fuel Supply Gap

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POWER [May 1, 2026]
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