Every day our power needs fluctuate, causing grid operators to make quick decisions to balance the U.S. grid. This can happen on hot summer days when people are turning on their air conditioners or in the middle of winter when they crank up the heat. Either way, grid operators must find a way to meet rapid spikes in energy demands.

Most concentrating solar thermal power (CSP) systems today are equipped with energy storage, which serves as a battery within the plant and allows utilities to use solar-generated power whenever it is needed. When grid operators have the choice to determine the best way to power the grid, this creates grid flexibility, making CSP a valuable asset

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