The comparison includes only systems between 2 and 10 kW, the most common size range for PV systems installed in experimental projects.
In this analysis, we assume a 1.45 $/W cost difference for small scale PV systems. This cost difference represents some of the uncertainty in the future capital costs of proposed hybrid PV/TEM systems. Although there is slight increase in cost, the performance of the PV system will be better in hot sites since the cooling system in the hybrid PV/TEM system enhance its performance.