TLDR Tech / Hardware
Sandia and Elemental Nuclear to Build sCO2 Generators for On-Site Data Center Power
Sandia National Laboratories and Elemental Nuclear Energy are building supercritical carbon dioxide (sCO2) Brayton Cycle generators, which use CO2 held in a state with properties of both a liquid and a gas as the working fluid instead of steam, letting the closed-loop system convert heat to power more compactly than a conventional steam turbine. The first target is a 1-megawatt system running on natural gas and waste heat aimed at small modular data centers and remote military sites, with commercial deliveries planned for 2028.
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