This relatively new technology is brought to you by Solucar. This company is owned by Abengoa who have been in the energy business since 1984 and have a global reach.
Two of these plants are now in operation, the PS10 & PS20. They have a combined possible output of 31MW, saving 54,000 tonnes CO2 p.a. and provide electricity for 18,000 homes.
The solar tower, at over 100m high, receives concentrated sun rays from the field of mirrors below, which in turn produces saturated steam at 250 degrees C. A conventional steam turbine generates the electricity.
To read of a visit to the plant by David Shukman, the BBC’s Science correspondent click here.