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Hybrid photovoltaic/thermal (PV/T) devices can simultaneously generate thermal and electrical energy, but have been limited to low temperature applications. This is done to avoid performance degradation of the PV cell at high temperatures. While the low temperature approach limits PV losses, it would be desirable to develop concentrating photovoltaic/thermal (CPV/T) systems which operate at higher temperatures where the thermal energy can be utilized for electricity production. In addition to using more of the sunlight, these systems may help realize low costs as well as dispatchability through thermal energy storage. Presented here are two primary configurations: the first where the PV cell and thermal system are decoupled, and the second where the PV cell acts as the high temperature absorber. The efficiency of these systems and their ratio of thermal to electrical energy produced are reported as a function of …