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Parabolic Trough Thermal Energy Storage Technology One advantage of parabolic trough power plants is their potential for storing solar thermal energy to use during non-solar periods and to dispatch when it's needed most. As a result, thermal energy storage (TES) allows parabolic trough power plants to achieve higher annual capacity factors—from 25% without thermal storage up to 70% or more with it.

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A borehole thermal energy storage (BTES) system is an underground structure for storing large quantities of solar heat collected in summer for use later in winter. It is basically a large, underground heat exchanger. A BTES consists of an array of boreholes resembling standard drilled wells. After drilling, a plastic pipe with a “U” bend at the bottom is inserted down the borehole. To provide good thermal contact with the surrounding soil, the borehole is then filled with a high thermal…

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Heat-energy storage device could make household solar power more feasible The prototype device utilizes paraffin contained within thin aluminum plates

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Eutectic salts - materials used to store and release heat by means of their latent heat capacity, that is, they alternately melt and solidify in the normal solar operating temperature range of 80 to 160 degrees Fahrenheit.

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