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Finnish City Inaugurates 1 MW/100 MWh Sand Battery

(cleantechnica.com)
190 points erwinmatijsen | 1 comments | 03 Sep 25 06:00 UTC | HN request time: 0s | source
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slumpvaldperson ◴[03 Sep 25 06:30 UTC] No.45112824[source]▶
Very interesting. Did anyone find a ROI calculation?
replies(2): >>45114048 #>>45114079 #
1. theshrike79 ◴[03 Sep 25 10:09 UTC] No.45114048[source]▶
It's a prototype, so not really relevant.