During this episode, we delve into Finland's groundbreaking sand battery technology, an innovative solution that stores renewable energy as heat within ordinary sand for extended periods, sometimes lasting several months. This technology operates at high temperatures, reaching up to 600°C, allowing it to provide sustainable heating with minimal energy loss. What makes this approach particularly remarkable is that it leverages one of Earth's most abundant materials—sand—making it a cost-effective and environmentally friendly method to harness and store renewable energy. Throughout the episode, we'll explore how this technology works, its potential impacts on energy sustainability, and the future possibilities it unlocks for renewable heating solutions.  

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