Geothermal energy

Geothermal energy captures the heat from two to three kilometers under the earth’s surface where water meets heated rock and turns it into steam. Steam is led from boreholes to turbines inside the powerhouses of geothermal energy plants, transforming thermal energy into electricity.

Buying Energy Attribute Certificates (EACs) from geothermal energy guarantees that the renewable energy consumed is from this source.

Geothermal SOME

Geothermal energy

Geothermal energy production is unique because:

  • It is a non-polluting and environmentally friendly renewable energy source
  • Has no waste and does not generate by-products
  • Has low land-use footprint
  • Does not represent a hazard for the natural surroundings
  • Has a low maintenance cost
  • Is not dependent on weather conditions.

Geothermal energy can also be used for heating and cooling, cooking, hot spring baths, agriculture, aquaculture and industrial processes.

Geothermal numbers

Geothermal energy is only found in a few locations and the installation cost is high.

Growth of installed geothermal electricity capacity by region

In 2021, the global geothermal installed capacity was 15.96 GWe (IRENA).

SDG-7-Clean-Energy (1)  SDG13-Climate-Action (1) 

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