This principle is being used to generate power in Souther Spain. The system is described as a Concentrated Solar Thermal Power plus Molten Salt Storage (CSP+)

This principle is being used to generate power in Souther Spain. The system is described as a Concentrated Solar Thermal Power plus Molten Salt Storage (CSP+) https://en.wikipedia.org/wiki/Gemasolar https://en.wikipedia.org/wiki/Gemasolar