Ercole Marelli Power Ltd

Geothermal Energy

Geothermal EnergyGeothermal energy is thermal energy generated and stored in the Earth.  This geothermal power and geothermal heat production is a renewable energy source with huge potential.

Geothermal energy is produced using heat from within the earth. Steam and hot springs can be used to heat buildings and to generate electricity.  This natural heat which rises from the centre of the Earth up to the subsoil can be exploited to heat up any kind of building, without using traditional heaters.

GeothermalGeothermal energy is cost effective, reliable and environmentally friendly.  It is an important contributor toNew Zealand’s electricity and heat supply, contributing 11% to the total energy supply.

Geothermal energy is divided into three categories:

  • Low-temperature – used for heat production
  • Middle and high temperature – used for generating both power and heat

Hot dry rock technology – still being developed


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