Hydrostor is a leading developer and operator of long duration energy storage systems. Hydrostor leverages a proven technology solution for delivering long duration energy storage (eight hours or more) to power grids around the world. Hydrostor鈥檚 technology uses compressed air and water to store energy. This patented technology allows grid operators to draw on clean energy, even when there is no sun to fuel solar panels and no wind to generate energy from turbines.