$/Million Btu’s

Thanks to John Manning of Phoenix Energy Supply for sending me this graph.  The chart clearly shows geoexchange coming out ahead (in New York dollars) over the long term.

 

 

On a personal note, I’m been very hesitant to write new postings as we attempt to filter 5 years of postings on our historic blog postings. ┬áThis was good enough to get the juices flowing again.

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