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US MARVEL Microreactor Approved for Criticality Testing, Testing Expected to Begin by End of 2026

The U.S. Department of Energy (DOE) Idaho Operations Office has formally approved the final safety analysis report for the MARVEL microreactor at Idaho National Laboratory (INL). This key regulatory approval authorizes the reactor to proceed with configuration preparations for dry criticality testing, marking a breakthrough for the project following the approval of the preliminary safety analysis report in March of this year. The MARVEL (Microreactor Applications Research Validation and Evaluation) project is a sodium-potassium alloy-cooled microreactor test platform with a design thermal power of 85 to 100 kilowatts and a net electrical power of approximately 20 kilowatts. The facility is designed to help private companies such as Amazon Web Services (AWS) and GE Vernova test micro...

2026-10-10

Marvel Fusion, Colorado, and Siemens Energy Sign Letter of Intent to Advance Laser-Driven Fusion Energy Cooperation

Marvel Fusion, the U.S. State of Colorado, and Siemens Energy announced on August 12 the signing of a Letter of Intent aimed at strengthening transatlantic cooperation to advance the research, development, and commercialization of laser-driven fusion energy technology. Under the Letter of Intent, the tripartite cooperation will focus on four areas: advancing joint research and development projects, including work utilizing leading fusion research facilities; strengthening the ecosystem connection between the RISE center in Colorado and the VEGA center in Bavaria; promoting transatlantic fusion energy industry and supply chain partnerships; and conducting talent development cooperation. The parties will also establish a joint working group to identify priority projects and plan to organize delegation visits, expert workshops, and initial cooperative activities within the next 12 months.

2026-08-13