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CSIRO claims solar energy breakthrough

CSIRO has used solar energy to generate hot and pressurised
‘supercritical’ steam, at the highest temperatures ever achieved in the world
outside of fossil fuel sources.

According to the CSIRO, supercritical steam is a
breakthrough for solar energy and means that one day the sun could be used to
drive the most advanced power stations in the world, currently only driven by
coal or gas.

CSIRO’s Energy Director, Dr Alex Wonhas said this milestone
is a game-changer for the renewable energy industry.

“It’s like breaking the sound barrier; this step change
proves solar has the potential to compete with the peak performance
capabilities of fossil fuel sources,” Dr Wonhas said.

Commercial solar thermal power plants around the world use
subcritical steam, operating at similar temperatures but at lower pressure. If
these plants were able to move to supercritical steam, it would increase the
efficiency and help to lower the cost of solar electricity.

The $9.7 million research program is supported by the
Australian Renewable Energy Agency (ARENA) and is part of a broader
collaboration with Abengoa Solar, the largest supplier of solar thermal
electricity in the world.

The government has decided to axe ARENA as part of its plan to head towards a budget surplus. In addition, the CSIRO has experienced
further cuts.

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