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Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

Light Water Reactor Sustainability Program

The Light Water Reactor Sustainability (LWRS) Program, sponsored by the Department of Energy (DOE) conducts research to develop technologies and other solutions to improve economics and reliability, sustain safety, and extend the operation of the nation's fleet of nuclear power plants. The NRC and DOE has a Memorandum of Understanding (MOU) on Nuclear Energy Innovation to coordinate DOE and NRC technical readiness and sharing of technical expertise and knowledge on advanced nuclear reactor technologies and nuclear energy innovation.
To continue to address the key issues of the domestic fleet, the LWRS program consists of the following primary technical areas of research and development (R&D):

Page Last Reviewed/Updated Tuesday, July 22, 2025

Page Last Reviewed/Updated Tuesday, July 22, 2025