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alexfootoday at 12:15 AM1 replyview on HN

Pumped hydro is one solution. You bank the excess wind/solar using gravitational potential energy and then draw on that whenever you need to.

https://en.wikipedia.org/wiki/Dinorwig_Power_Station


Replies

noosphrtoday at 3:01 AM

Yes, we just need to build the mountains first.