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[Steven Champeon <schampeo AT hesketh.com>]

on Wed, Sep 05, 2007 at 12:13:17PM -0400, Gregory S. Hopper wrote:
> Coincidentally, there's a four-page "special advertising section" in  
> today's Wall Street Journal about geothermal energy (paid for by  
> Glitner, an bank in Iceland) that is interesting.  They also have a  
> document available on their website called the US Geothermal Market  
> Report. Here's the link:
> 
> http://www.glitnir.is/English/Business/Energy/usreport/?id=usad5
> 
> Geothermal has intrigued me for quite some time.  I think it meets  
> Michael's requirements ("cheap, powerful, and plentiful").  Anyone  
> know any more about it?  Particularly as relates to residential  
> dwelling (vs. commercial generation).

My mom (retired now, but formerly a certified geologist who worked for
a civil engineering firm in Maine) worked on a high school that has its
HVAC powered by geothermal; it's pretty impressive, but still kind of
expensive - an investment in the future, for sure. So I don't know how
much sense it makes for small residential installations yet. And I
suspect it works better in places where the temperature differential
is greater between surface and well bottom. 

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