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geothermal energy

Cultural  
  1. Energy obtained by tapping underground reservoirs of heat, usually near volcano es or other hot spots on the surface of the Earth.


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At present, little of the world's energy supply is obtained from these sources.

Example Sentences

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Researchers are studying how water trapped in the old mine system can be used to generate geothermal energy capable of heating and cooling buildings throughout the town.

From Science Daily • May 6, 2026

LONDON—Alex Gerko’s edge as a trader comes from a supercomputer powered by geothermal energy in Iceland.

From The Wall Street Journal • Apr. 23, 2026

The Earth generates heat which can be harnessed by drilling down below the surface to provide a renewable, and continuous source of energy to heat and power our homes – known as geothermal energy.

From BBC • Feb. 26, 2026

Fervo, a geothermal energy company, confidentially filed to go public after raising $462 million in Series E funding in December.

From Barron's • Jan. 23, 2026

In order   to diversify the island's production base, the government is   attempting to develop an offshore financial sector and is   researching Dominica's capability to export geothermal energy.

From The 2008 CIA World Factbook by United States. Central Intelligence Agency