The global installed solar thermal power capacity increased from 1,106. 3 megawatts (MW) in 2010 to 6,596. 6 MW in 2020, at a compound annual growth rate (CAGR) of 19. Data source: IRENA (2025) – Learn more about this data processed This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. To cite data downloaded from this page. . Approximately 13 percent of the global heat supply came from renewable energy sources in 2022. For nearly a decade, no new CSP capacity has been added in the historical leaders of Spain and the United States. In 2021, the top five regions in the. .
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