Petratherm was established on 24 October 2003 with the aim of obtaining tenements
suitable for the production of economically viable hot rock energy, together
with methodology and research data to assess the potential of such tenements.
To date, three Tenements have been obtained which are characterised by:
Potential occurrence of substantial rock masses with naturally occurring radiogenic
- Proximity to major infrastructure;
- Depth to top of target rock in the three kilometre range;
- Potential heat exchange reservoir characteristics; and
- Location not affected by problems of restricted access.
Petratherm believes that the requirement for power from renewable energy sources
will increase, and that hot rock energy is one of the few forms of renewable
energy that can provide base-load power without significant impact on the environment.