The optimum tilt angles and orientations of PV claddings for Building-Integrated Photovoltaic (BIPV) applications

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76 Citations (Scopus)


The tilt and azimuth angles of a photovoltaic (PV) array affect the amount of incident solar radiation exposed on the array. This paper develops a new mathematical model for calculating the optimum tilt angles and azimuth angles for building-integrated photovoltaic (BIPV) applications in Hong Kong on yearly, seasonal, and monthly bases. The influence of PV cladding orientation on the power output of PV modules is also investigated. The correlations between the optimum tilt angle and local weather conditions or local environmental conditions are investigated. The results give reasonable solutions for the optimum tilt angles for BIPV applications for both grid-connected and stand-alone systems.
Original languageEnglish
Pages (from-to)253-255
Number of pages3
JournalJournal of Solar Energy Engineering, Transactions of the ASME
Issue number2
Publication statusPublished - 1 May 2007

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology
  • Mechanical Engineering
  • Renewable Energy, Sustainability and the Environment

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