Mike Goldwater
Blue Cube Productions

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Abengoa's solar tower in Sanlucar La Major, Seville, Spain.

The solar towers capture the sun's radiation using a set of dual-axis mirrors. These track the sun and concentrate reflected sunlight onto heat exchangers in the tower's top.

Dual-axis mirrors track the sun and beam reflected sunlight onto heat exchangers in the tower's top.

Dual-axis mirrors, also called heliostats, track the sun and concentrate reflected sunlight onto the tower's heat exchangers.

The tower's heat exchanger seen from below.

Heliostats track the sun.

Abengoa's solar towers in Sanlucar La Major, near Seville, Spain.

Steam produced by the highly concentrated solar energy drives turbines to generate electricity in the tower's powerhouse. .

Abengoa's solar towers in Sanlucar La Major, Seville, Spain.

Abengoa's solar towers in Sanlucar La Major, near Seville, Spain are surrounded by farmland.

Abengoa's solar towers in Sanlucar La Major, near Seville, Spain, capture solar radiation using a set of dual-axis mirrors.

Each of the three towers that make up this solar farm has it's own set of heliostats.

Abengoa's solar towers with early versions of solar mirrors in the foreground.

Abengoa's solar towers in Sanlucar La Major, Seville, Spain.

Arantxa Aguirre, R&D manager at Abengoa Solar's research unit near Seville, Spain, researching thin film solar cells under a solar simulator in her lab.

Abengoa's solar parabolic trough plant in Sanlucar La Major, near Seville, Spain, generates 50 MW of electricity.

Parabolic mirrors track the sun and concentrate solar radiation onto heat-absorbing fluids inside a receiving tube which reaches high temperatures.

This thermal energy is converted into steam to drive electricity-generating turbines.

Abengoa's solar research team are working on a new technology that concentrates solar energy onto a micro-chip to produce a significantly higher electrical output than conventional solar cells.

Abengoa's solar towers in Sanlucar La Major, Seville, Spain.

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Abengoa’s solar towers in Sanlucar La Major, near Seville, Spain, capture solar radiation using a set of dual-axis mirrors. By tracking the sun they concentrate reflected sunlight onto heat exchangers in the tower’s top. The steam produced drives turbines to generate 20 MW of electricity, enough to power 10,000 homes.