1 янв 1921 г. - Worlds First Geothermal Powerplant

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Geothermal energy was first adopted by using geysers in California to provide electricity to a local resort. While successful, the method took extensive time and was not very reliable. (ProCon.org)

Currently, geothermal energy, which is heat derived from under the surface of the earth, makes up less than half of one percent of US energy production. (U.S. Energy Information Administration. "Geothermal Explained.")

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