alt Hacker News>you can't really add new rivers to the geography to support additional industry.
yes, you can - with all those fiords surrounded by mountains you can use excess wind/solar (your own as well as German, etc.) and pump water up a dammed fiord to generate the electricity later when no cheap excess available.
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prerok • today at 6:04 AM
This assumes that there is excess power at some point. This will soon become unrealistic: we either need power for data centers during the day or charging vehicles during the night.
The solution works only to keep a steady production of electricity, but if the demand would require full output all the time then these "mechanical batteries" don't help.
Well, we don't have fjords or mountains in Sweden, otherwise a great plan.