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mahkeiro | 9 months ago

You could use this kind of technology to extract the heat: https://enerdrape.com/en/solution/

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jodrellblank|9 months ago

From their FAQ:

> WILL THIS GEOTHERMAL PANEL SYSTEM COOL MY UNDERGROUND SPACE?

> No, the Enerdrape system primarily draws its energy from the ground. This does not affect the comfort of people using the underground space.

ted_dunning|9 months ago

Have you seen how small the clearances involved are? The trains are very close to the walls of the tunnels.

saagarjha|9 months ago

Definitely an unfortunate domain name they've got there.