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Re: September 12 - Day 4: Geothermal
jongabay   9/12/2013 2:54:05 PM
? Do ground coupled systems scale up easily, or is there a limit to the size of such a system where cost per capacity begins to rise?


There can be a point where the energy needed to pipe fluids for such long runs get price prohibitiive.

Also, the longer runs can be reliability issues since the odds that a puncture will occur increases with more length. But, overall, it scales well. One approach it to use parallel runs of tubing with check valves so if one fails, it doesn't take the others with it.



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