A system that includes: a container that contains an energy storage medium, wherein the energy storage medium comprises at least one liquid salt; at least one thermal energy-generating reactor; at least one first thermal energy loop coupling the container to the at least one thermal energy-generating reactor; and at least one second thermal energy loop coupling the container to at least one thermal energy end-user.
ACKNOWLEDGEMENT OF GOVERNMENT SUPPORT
 This invention was made with government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.