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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.

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Molten Chloride Fast Reactor (MCFR)

Image of a Molten Chloride Fast Reactor


Project Overview

The molten chloride fast reactor (MCFR) is a type of molten salt reactor (MSR). Molten chloride salt fuel serves as both the fuel and the coolant. 

Pre-application interactions are being planned.

To subscribe to the TerraPower Molten Chloride Fast Reactor (MCFR) email service, select TerraPower MCFR from the Advanced Reactors list after entering your email into the GovDelivery system.

For information about TerraPower’s Natrium project, please see the Natrium webpage.

Page Last Reviewed/Updated Friday, February 28, 2025

Page Last Reviewed/Updated Friday, February 28, 2025