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0.3% of global electricity is generated from Geothermal

What is Geothermal?

Geothermal energy is energy made by heat inside the Earth's crust. The heat is used to heat water or another working fluid, which is then used to turn a turbine. The turbine turns a generator which makes electricity.


Is Geothermal a low-carbon energy source?

Yes, due to its relatively low lifecycle emissions, Geothermal is considered to be a low-carbon energy source.

The median estimate of lifecycle emissions from Geothermal is 38 gCO2eq / kWh. This is based on the Technology-specific Cost and Performance Parameters report from the IPCC.

Wind11 gCO2eq / kWhLow-carbon
Nuclear12 gCO2eq / kWhLow-carbon
Hydropower24 gCO2eq / kWhLow-carbon
Geothermal38 gCO2eq / kWhLow-carbon
Solar45 gCO2eq / kWhLow-carbon
Biofuels230 gCO2eq / kWhLow-carbon
Gas490 gCO2eq / kWhHigh-carbon / fossil fuel
Oil650 gCO2eq / kWhHigh-carbon / fossil fuel
Coal820 gCO2eq / kWhHigh-carbon / fossil fuel

Geothermal compared to other low-carbon energy electricity sources

Most significant producers of electricity from Geothermal

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Significant changes of low-carbon power due to Geothermal

Region Years Change
Kenya 2009 → 2015 55.2 → 87.4%

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