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It's dirty.

Laugh if you like; but the stuff used in stationary plants isn't full of an unpredictable cocktail of dissolved minerals and hydrocarbons.

Truthfully I am not across the detail of the problems with deep boreholes.

I am however across the fact that it hasn't worked yet. And we're talking stuff that Very Intelligent People With A Lot Of Funding have been working on for quite a while at this point. And they don't even have a working proof-of-concept plant working yet.

Deep borehole geothermal sounds great on paper, but the engineering challenges are enormous and yet to be surmounted. By comparison oil, gas and especially coal are absolute doddles with work with.




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