Desert Power


PS20 (foreground) and PS10 power tower CSP plants, Sanlucar la Mayor, near Seville, Spain (702 KB)


future – solar power that only requires the sun and air to create electricity,” says the Director of CSIRO’s Energy Transformed Flagship, Dr Alex Wonhas. “The field will be used to refine the technology in order to


make it a cheaper, more efficient energy source that is suitable for many desert locations in Australia, and the world.” Most solar thermal power stations require water to operate


a steam turbine to produce electricity. The Brayton Cycle technology does not need water making it ideally suited to many parts of Australia that only receive minimal rainfall. “This new facility will allow us to improve our science by using a real-world, operating solar thermal field to test ways to make the process more efficient and reduce the cost of this clean technology.” ASI Director Mark Twidell said the Institute looked forward to the project proving that lower-cost solar electricity


worldPower 2010


can be produced by a new technology suited to all regions of Australia, and indeed elsewhere.


Global Scale Large-scale solar projects are now being considered across the


globe. Solar energy could account for up to 25% of the world’s electricity by 2050, according to the International Energy Agency. Photovoltaic cell technology and concentrating solar power together could generate 9,000 terawatt hours of power in 2050 – almost one quarter of global demand. This would cut carbon emissions by almost 6 billion tons. The global solar markets will grow more than ten fold by


2020 according to Fuji-Keizai, a Tokyo-based market research firm. According to their estimates, the sharp growth in the global solar markets over the next decade will be fuelled by the


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