The water can be piped to buildings half a kilometer from the bore, according to geothermal experts. And the heat can be used to create cool air for summer. After initial infrastructure costs, these benefits can be relatively inexpensive. The hot water is endless, as in thermal zones such as exist in New Zealand and Iceland.
Mornington Peninsula Shire Council took its initial step in this direction last November when councillors voted to commit to a carbon-neutral future.
A report highlights the potential for geothermal energy. Research is recommended, including studying existing data on rock fractures in the fault areas that lie under the peninsula; aerial magnetic imaging; and ground-level surveys to locate fracture systems with more accuracy.
Preliminary test bores should be the next step, followed by more intensive bores “should the project progress to this stage”, the report recommends.
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