The U.S. Department of Energy (DOE) is inviting private-sector nuclear developers to submit proposals for experiments and demonstrations using its Microreactor Application Research Validation and Evaluation (MARVEL) project. The first-of-its-kind operational test bed for advanced microreactor technologies is now 90% through its final design phase, with key components already under fabrication.

Idaho National Laboratory (INL), a national laboratory managed by Battelle Energy Alliance (BEA) for the DOE, said in a June 16–issued expression of interest request it is seeking cutting-edge concepts from the private sector, national laboratories, and other stakeholders that can leverage MARVEL’s unique capabilities to accelerate the development, testing, and deployment of advanced nuclear reactors and applications. The deadline for submissions is Aug. 30, 2025.

Read more in Power Magazine here.

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