Do you have some links to how someone scaled up storage? I know that scaling up solar is easy, but I don't know of any nation that build significant storage.

https://about.bnef.com/insights/clean-energy/global-energy-s...

https://www.iea.org/commentaries/global-battery-markets-are-...

https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...