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

A small Finnish town has turned to the world's largest commercial sand battery to tackle a major hurdle in the energy transition: intermittency.

# Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery A small Finnish town has turned to the world's largest commercial sand battery to tackle a major hurdle in the energy transition: intermittency. **Read the full article:** [CNBC](https://www.cnbc.com/2026/07/25/finland-sand-battery-renewable-energy-storage.html) *This article was originally published by CNBC. MoneyWiseInc provides expert curation of the best financial content from trusted sources.*