A bifacial solar panel can utilize both surfaces to convert sunlight into electrical energy. A simple planar reflector such as mirror had been used to boost its output by reflecting sunlight to its rear surface [1], [2] and [3]. A simulation method for the bifacial solar cells with such a reflector had been reported. The optical simulation of bifacial solar cells had been done using a three dimensional Monte Carlo ray tracer with the photo-generated current output simulated by a commercial TCAD software [1]. This approach calculates the surface reflections of the solar cells accurately and predicts the photo-generated current for different types of reflectors. However, it does not take into account of the effect of installation location and environment on the performance of the bifacial solar cells. Besides, performance drop due to manufacturing mismatch and variation in reflected sunlight intensity on the solar cells from time to time is not included in the simulation too.