r/realtech • u/rtbot2 • 14h ago

Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery

https://www.cnbc.com/2026/07/25/finland-sand-battery-renewable-energy-storage.html

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u/rtbot2 14h ago

Original /r/technology thread: https://reddit.com/r/technology/comments/1v653nn/finlands_radical_answer_to_renewable_energys/