NREL Researchers Use Silica Sand to Store Renewable Power Updated On Wed, Sep 8th, 2021 by Saurenergy Renewable energy sources like solar and wind are changing how we power our buildings, industries, and grid; however, they are intermittent, giving rise to the need for energy storage to ensure continuous power. Lithium-ion batteries are great for short-duration energy storage, but our buildings, businesses, industries, and grid need more storage, at lower cost, for longer […] Read more