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Profile image for Bruce H Parker
Bruce H Parker
 — Analyzing climate change data (retired EE '69,'70)
5 years ago
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Profile image for Rick Clemenzi

I believe the "4) Advanced geothermal systems (AGS)" being in particular EAVOR which is a closed loop system is Very interesting. They have proven their concept works and early production efforts are starting to get underway. https://eavor.com/ if you are interested. The rest of the hot rocks geothermal works, but seems to not yet be fully economical. It also requires release of a Lot of heat to the atmosphere, although it may be no more than current fossil generation.

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