The Electric Power Research Institute has demonstrated the thermal energy storage performance of column-like, horizontally stacked concrete members, dubbed BolderBlocs by their Arvado, Colo.-based developer Storworks Energy, at the Alabama Power Ernest C. Gaston Electric Generating plant. Investigators devised a 10-megawatt hour electric energy storage solution, charged with Gaston Unit 5 supercritical steam output. Under their test assembly design, high-pressure…
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