Why is Geothermal Energy being explored in Australia?

The Proterozoic granite rocks which dominate the geology of South Australia have been found to generate significantly more heat than other similar Proterozoic rocks elsewhere in the world. Data from deep bore holes have defined an area of South Australian crust which is twice as hot as typical Proterozoic crust. This area of elevated heat flow is known as the South Australian Heat Flow Anomaly or SAHFA. As a result of the SAHFA the majority of EGS exploration is based in South Australia, with around 17 companies holding Geothermal Exploration Licences (GEL).

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