DOE approves safety documentation for MARVEL microreactor initial criticality
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Updates every hour. Last Updated: 26-Apr-2026 16:16 ET (26-Apr-2026 20:16 GMT/UTC)
(IDAHO FALLS, Idaho) — The U.S. Department of Energy’s Idaho Operations Office has approved a key safety document for the MARVEL microreactor at Idaho National Laboratory. The approved document, called a Preliminary Documented Safety Analysis (PDSA), marks a major milestone toward building and operating the microreactor for research, development and end-user demonstrations.
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