The Casa Diablo geothermal facility in the eastern Sierra Nevada of California has been a success. I also remember reading years back about ideas surrounding h

The Casa Diablo geothermal facility in the eastern Sierra Nevada of California has been a success. I also remember reading years back about ideas surrounding how to extract energy from Yellowstone both to provide clean energy but also to decrease risk of another massive explosion. If I recall they were proposing digging a massive horizontal tunnel to come in deep and extract heat without compromising the roof. Long Valley Caldera Geothermal Area | Open Energy Information https://share.google/5DvljMhL3EVMDeIAL https://share.google/5DvljMhL3EVMDeIAL