2b Geothermal -- History

history of geothermal energy
  1. Geothermal energy was used 10,000 years ago by Native Americans for cooking, heating, and bathing.
  2. 2,000 years ago Romans invented water pipes under thier homes powered by nearby hot springs.
  3. In 1847 Williams Elliot found geysers near present day San Fransico.
  4. In 1904 the first geothermal power plant was built.
  5. Next in 1913 the first geothermal electric power plant was built in Itlay.
  6. In 1921 geothermal power plants near the geysers were built in California.
  7. In 1946 the first ground source electriciy plant was built.
  8. In 1958 the first flash steam geothermal power plant began operating.
  9. In the 1970s the United States Department of Energy began a program to determine possibilities of geothermal energy in the west.



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NOW a geothermaly heated pool (from worldkangaroo.wordpress.com)
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THEN (from ibtimes.com)

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