International Journal For Multidisciplinary Research

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Efficiency Enhancement of PERC Bifacial Solar Panels Through Dynamic Solar Tracking Reflector Integration: An Experimental and Economic Analysis

Author(s) Dr. Geena Sharma, Aman Choudhary, Arpit Kumar, Er. Mahender Pal
Country India
Abstract The integration of dynamic solar tracking reflectors with Passivated Emitter and Rear Cell (PERC) bifacial photovoltaic modules presents a novel approach to maximizing rear-side irradiance capture and overall system efficiency. This study combines detailed simulations and controlled field experiments conducted at Baddi University, Himachal Pradesh, to quantify performance enhancements under clear-sky and mixed-cloud conditions. A custom tracking algorithm, based on the NREL Solar Position Algorithm, continuously adjusts reflector orientation to maintain optimal specular reflection toward the module's rear surface. Compared to conventional bifacial configurations, the reflector-enhanced system achieved a 28.9% increase in annual specific energy yield and a 21.7% average bifacial gain, validated by statistically significant improvements (p < 0.001) in hourly and daily power output profiles. Economic analysis demonstrates a 22.8% reduction in Levelized Cost of Energy (LCOE), a 6.3-year payback period, and a 26.4% internal rate of return, despite a 51.7% increase in initial capital expenditure. Thermal effects were mitigated through optimized reflector distance (1.6 m) and ventilation design, limiting cell temperature rise to 2.8 °C above baseline conditions. Safety, calibration, and measurement protocols were developed in compliance with IEC 61724-1 and IEC TS 60904-1-2 standards. The results confirm the feasibility and commercial viability of PERC bifacial modules with tracking reflectors for land-constrained and high-energy-density applications, offering a clear pathway for enhanced renewable energy generation.
Keywords: PERC Bifacial, Solar Tracking Reflector, Rear-Side Irradiance, Bifacial Gain, LCOE, SPA, IEC 61724-1, Energy Yield
Field Engineering
Published In Volume 7, Issue 5, September-October 2025
Published On 2025-10-18
DOI https://doi.org/10.36948/ijfmr.2025.v07i05.57938
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