Concentrated solar thermal (CST) technology could be a commercially viable form of dispatchable renewable energy in Australia within a decade, according to new report by the Australian Renewable Energy Agency (ARENA). CST systems use mirrors to concentrate and convert sunlight to heat at high temperatures. The heat is stored and used to produce steam, which is then run through a turbine to generate electricity. Most CST plants are large-scale and incorporate between 3-15 hours of thermal energy storage.
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