A Finnish town has installed the world's largest commercial sand battery to address intermittency—a critical challenge in renewable energy adoption where power generation fluctuates with weather conditions. The sand battery stores thermal energy during peak production periods and releases it when demand is high, offering a novel solution to stabilize grid reliability as nations transition away from fossil fuels.
Why it matters: Energy storage technology directly impacts the viability and scalability of renewable energy infrastructure, making breakthrough solutions like sand batteries essential for AI/tech companies planning sustainable operations and for the broader energy sector's decarbonization timeline.