The technology modeled by the UK group is based on the so-called Brayton cycle and involves the use of reversible heat-pump and heat -engine cycles to store electricity in the form of thermal energy.

In early 2016, GTI completed conceptual plans to support the design, cost, and schedule for the 10 MWe sCO 2 Brayton Cycle test facility with funding from U.S. DOE’s Office of Nuclear Energy, in ...