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JavaGAR
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Reged: 10/07/06
Posts: 478
Loc: New York State
Geothermal Power Facilities
      #1100860 - 01/24/08 02:35 PM

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Geothermal power and other sources of alternative energy are becoming increasingly important as fossil fuels increase in difficulty of recovery and expense, and as concern about climate change increases.


The Geysers geothermal power plants in California use steam to turn turbines that generate electricity.
Source: United States Geological Survey (USGS) - Photo by Julie Donnelly-Nolan, USGS

The attached kmz file marks locations of some geothermal facilities in the United States and elsewhere.

Edited by JavaGAR (08/25/08 07:48 AM)

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JavaGAR
Explorer


Reged: 10/07/06
Posts: 478
Loc: New York State
Re: Geothermal Power Facilities [Re: JavaGAR]
      #1223793 - 08/25/08 06:42 AM

A Googol of Heat Beneath Our Feet describes Google.org's efforts to promote the development of Enhanced Geothermal Systems (EGS), which produce electricity from the energy in hot rock beneath the Earth's surface. The site provides information about EGS technology along with kmz data, such as ground overlays, that indicate temperatures of geothermal resources at various depths beneath the surface in the United States. It also offers 3D Models and an animation of the Cooper Basin EGS project in Australia.


Display of Google.org's overlay of temperatures at 7.5 kilometers beneath the United States.

United States Geological Survey Circular 1249: Geothermal Energy—Clean Power From the Earth’s Heat provides information on other strategies for harnessing geothermal energy, including using steam released from hot subsurface water under pressure to drive turbines and direct use of geothermal water to heat buildings.


Diagram from the United States Geological Survey article showing how steam from hot water can be used to drive a turbine that generates electricity.

The Great Basin Center for Geothermal Energy offers geographic data, including a kmz file, and other technical information about geothermal energy.

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