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High-Rise Buildings Could Store Renewable Energy Using Gravity

University of Waterloo researchers propose gravity energy storage in high-rise buildings. This renewable energy solution could transform urban infrastructure and reduce grid dependence.

This development matters because it addresses one of the most significant challenges in renewable energy adoption: reliable storage. As cities worldwide transition to clean energy sources, the intermittent nature of solar and wind power requires innovative storage solutions. Gravity-based energy storage in existing high-rise infrastructure represents a practical approach that doesn't require additional land use—a critical consideration in dense urban environments. If successfully implemented, this technology could accelerate the shift toward sustainable cities, reduce strain on electrical grids during peak demand, and potentially lower energy costs for urban residents while contributing to climate change mitigation efforts.