alt Hacker NewsInstead of drilling deep, there is also an intersting case for storing cheap solar energy as hat in piles of dirts in the summer to power turbines in the winter: https://austinvernon.site/blog/standardthermal.html
Instead of drilling deep, there is also an intersting case for storing cheap solar energy as hat in piles of dirts in the summer to power turbines in the winter: https://austinvernon.site/blog/standardthermal.html
The Berlin one also had some promising news today: https://www.adlershof.de/en/news/successful-tests-on-undergr...
We have to see if and when any of them goes into production, but the technology seems very interesting