A response to Leon Ashby's "Why an ETS is not necessary": Slide 11

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Slide 11: “Eliminating Australia’s emissions will cost at least $91,000 per taxpayer per year”

Ashby simply multiplies his incorrect figure from slide 10 (see above) by 20 to get another even more ridiculous figure. But it does raise a serious question: can Australia eliminate all our emissions, and if so at what cost? As we saw above, this is what recent science demands.
According to an estimate from Beyond Zero Emissions (based on NREL 2003), replacing all of Australia’s coal-fired power stations with solar thermal plants that store heat to operate 24 hours would cost about $120 billion, the same as the CPRS. Coal-fired electricity is directly responsible for 36% of Australian emissions. But renewable electricity could also replace fossil fuels used in transport and heating, eliminating two-thirds of our emissions.
The transition to a clean energy future will create huge domestic and export opportunities in new renewable energy and energy efficiency technologies (see CSIRO 2008, ACF/ACTU 2009, Climate Institute 2009).
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