Performance comparison of BAPV and BIPV systems with c-Si, CIS and CdTe photovoltaic technologies under tropical weather conditions

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalNot applicablepeer-review

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Original languageEnglish
Article number100374
Journal / PublicationCase Studies in Thermal Engineering
Online published12 Dec 2018
Publication statusPublished - Mar 2019



This paper compares the performance of photovoltaics (PV) for building applications in two configurations: building applied photovoltaics (BAPV) and building integrated photovoltaics (BIPV). A 32.7 kWp PV capacity is proposed for a roof building and its performance in BAPV and BIPV configurations with three PV technologies namely crystalline (c-Si), CIS, and CdTe is analyzed. The standard methodology with performance parameters such as energy yield (EY), yield factor (YF), capacity utilization factor (CUF), performance ratio (PR), and losses is used. It is found that the EY, YF, and year to year energy production variability of BIPV and BAPV technologies varies from 43,700-46,800kWh, 1336.39-1431.19kWh/kWp, and 1910-2100kWh respectively. The CUF and PR vary from 15.25-16.33%, and 72.23-77.36% respectively. Irrespective of PV configuration and technology, observed losses due to the angle of incidence, spectral effects, effects of change in irradiance and module temperatures are observed to be -2.8%, -1 to -5%, and -7.4 to -13.6% respectively. Total system losses range from -22.6 to 27.8% causing a fair amount of loss in the PV efficiency. Among, three PV technologies, CdTe is observed to perform better than CIS, and c-Si.

Research Area(s)

  • BAPV and BIPV, Building applied photovoltaics, Building integrated photovoltaics, Capacity utilization factor, Performance ratio, PV modules

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