A heat flow investigation carried out by consultants Hot Dry Rocks confirmed that there is a trend of elevated heat flow through the Latrobe Valley from Moe towards Sale. The heat flow investigation, across 10 wells, returned estimates ranging up to 101 ± 26 MW per sq m.

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Such values are significantly higher than the 60 MW per sq m that is regarded as the global average for heat flow, and confirm the high level of prospectivity throughout major areas of both Greenearth Energy’s Gippsland geothermal exploration permits.