Gemasolar CSP technology produces power 24 hours a day
Solar has been touted as a wonder power, except when the sun isn't shining. The intermittent nature of solar power has been a valid concern for many--until now. Commissioned by Torresol, Gemasolar is the first commercial-scale concentrating solar power (CSP) plant to apply central tower receiver and molten salt heat storage technology to produce electrical power 24 hours a day.
The inclusion of a molten-salt heat storage system permits the production of electricity without solar radiation. The heat collected by the salts generates steam and produces electrical power. The surplus heat accumulated during sun hours is stored in the molten-salt tank for later usage. This allows the power of solar to be tapped into even when the sun is down.