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geothermal is a great source of energy but capital costs to put it in place are high and it typically doesn't survive a 20-year payback analysis. the key to success is to tie it to another project to share capital costs. ie., parking garage? throw some ground source loops in the excavation prior to backfill. also, look to your city/municipality that already have un-purposed infrastructure in place - there's lots of latent heat that could be utilised in that water/waste water that they pump around.
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Hybrid Mode
