account for 2,200MW of installed electricity and supply up to 5% of Australia’s energy needs by 2020, said an industry association. (US$1=A$1.14).   The Australian Geothermal Energy Association (AGEA) provided the finding in a report it commissioned from economic modelling firm McLennan Magasanik Associates (MMA) last month. In releasing the report at the 2008 Australian…