Australia is one of the world’s major energy producers. It is a net energy exporter and coal is one of its largest export commodities. Renewable energy is an essential part of Australia’s low emissions energy mix and is important to Australia’s energy security. Australian Government support for renewable energy assists industry development, reduces barriers to the national electricity market, and provides community access to renewable energy.
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Geothermal energy, which involves pumping superheated water from a depth of 10,000 feet, then converting it to steam, is a renewable process as the water is re-introduced into the earth. Active geothermal energy can either be used as heat that comes directly from the super heated cavity. Or, as is far more common, the cavity is filled with fresh water and the steam that is generated is then used to turn a turbine for electric power.
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There has been a tremendous spike in the amount of petroleum used since the early 20th century. Worldwide use of this single commodity has increased exponentially, especially with China and India which make up half of world populations moving forward into full industrialization and modernization.
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