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: 0.198s | source

1. Havoc ◴[03 Sep 25 07:45 UTC] No.45113246[source]▶

Interesting capacity vs discharge ratio. Way slower than battery but presumably sand scales well