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geothermal Energy
In this section we will explore geothermal energy systems.  This includes high temperature systems which pull energy directly from the earth's core as well as low temperature systems which leverage the difference between air temperature and the temperature of the earth.


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The EB team is happy to answer any questions we can about alternative energy.  Just contact us at editor@energybible.com.

geothermal maps

There are a number of excellent sites for obtaining maps of geothermal resources for your state and community.  These maps can help you understand the potential for using geothermal heating in your area.  All of the U.S. can make use of low temperature approaches to geothermal energy using geothermal heat pumps.  But some areas, particularly in the west and southwest, have as yet untapped potential for high temperature geothermal energy. 

Links to Geothermal Maps

Listed below are links to a variety of geothermal resource maps.  Many of these are provided by the U.S. government and can also be found at the U.S. Geothermal Technologies Program web site: 

U.S. Geothermal Projects and Resource Areas Map

Shows where geothermal resources are being used for electrical generation and direct-use projects—greenhouses, aquaculture, district heating, space heating, and industry.

Collocated U.S. Geothermal Resources Maps

Features maps by state that identify communities with the potential resources for geothermal direct-use applications.

Geothermal Map of North America

Utilizes extensive industry-oriented thermal data sets, as well as the new research heat flow data, developed by Southern Methodist University.

Great Basin Center for Geothermal Energy

Features some excellent and current interactive maps and GIS regional spatial data of the Great Basin area.

Idaho National Laboratory Geothermal Resource Maps

Provides geothermal resource maps of 13 western states: Alaska, Arizona, California, Colorado, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming.

U.S. Geothermal Resource Map

A map developed by the U.S. Department of Energy that shows the estimated subterranean temperatures at a depth of 6 kilometers.

Virtual Map of Thermal Springs

A map developed by the National Geophysical Data Center from its Thermal Springs List for the United States. The list is also searchable online.

Worldwide Geothermal Energy Map

A map from the Geothermal Education Office from which information can be obtained about the geothermal resources and development of different areas throughout the world.

Finding the Best

One of the services we want to provide our EB members is a listing of Recommended Geothermal Heating Contractors.  If you have used a heating and cooling contractor to put a ground source heat pump into your home or business and were happy with their work please provide us their contact info by clicking here and we will do the rest. As soon as we have a sufficient list together we will publish it on the site.  Thanks! --Editor

Geothermal Facts
As early as 10,000 years ago, Native Americans used hot springs water for cooking and medicine. For centuries the Maoris of New Zealand have cooked "geothermally," and, since the 1960s, France has been heating up to 200,000 homes using geothermal water.
More Facts

In snow covered Idaho they raise alligators using ponds heated by geothermal energy.

Geothermal Books

Most books on the topic of geothermal energy are really targeted for energy professionals and are not of much value to the average consumer.  An exception is the book Geothermal Heat Pumps by Karl Oschner.  See this book and others in our book section.



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