Experiments reveal that tilt angle affects thermal performance and power output of bifacial photovoltaic panels, indicating design considerations for efficiency.
Existing studies lack experiments on the influence of tilt angle on BPV panel performance under identical ambient environmental conditions, particularly regarding the thermal performance. In this study, an outdoor experimental platform was built to explore the influence of different tilt angles on the thermal-electrical performance of a BPV panel in summer. The results show that the average temperature on the front side of the BPV panel first increases and then decreases as the tilt angle increases, while the average temperature on the rear side and the instantaneous electrical power continuously decrease. When irradiance reaches the maximum value of 903 W/m 2 during the experimental test, the electrical power of the BPV panel with a tilt angle of 12° reaches 403.5 W.
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Li et al. (2025) studied this question.
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