31 Oct '12, 1pm

Making Ground Source Geothermal a Win-Win Resource for Utilities and Customers

Making Ground Source Geothermal a Win-Win Resource for Utilities and Customers

In winter, GSGE extracts heat from the constant temperature reservoir provided by the earth’s underground geothermal gradient. Then in summer, the cycle is reversed and GSGHPs reject heat back into the ground. GSGHPs currently make up some 5 percent of the total heating, ventilation and air conditioning (HVAC) market. In the U.S., an estimated 100,000 residential and commercial GSGHP units are installed annually, with the current market fairly evenly distributed between residential and commercial sectors. “Ground source geothermal energy is one of the best renewables, even though it took a while for people to consider it a renewable energy source,” said Garen Ewbank, an industrial engineer and the owner of Ewbank Geo Testing in Fairview, Oklahoma. “It’s renewable because of the constant temperature due to the earth’s geothermal gradient. About 1 percent actually comes from...

Full article: http://www.renewableenergyworld.com/rea/news/article/2012...

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