Rating of roofs’ surfaces regarding their solar potential and suitability for PV systems, based on LiDAR data

Niko Lukač, Danijel Žlaus, Sebastijan Seme, Borut Žalik and Gorazd Štumberger

Applied Energy, 2013, vol. 102, issue C, 803-812

Abstract: The roof surfaces within urban areas are constantly attracting interest regarding the installation of photovoltaic systems. These systems can improve self-sufficiency of electricity supply, and can help to decrease the emissions of greenhouse gases throughout urban areas. Unfortunately, some roof surfaces are unsuitable for installing photovoltaic systems. This presented work deals with the rating of roof surfaces within urban areas regarding their solar potential and suitability for the installation of photovoltaic systems. The solar potential of a roof’s surface is determined by a new method that combines extracted urban topography from LiDAR data with the pyranometer measurements of global and diffuse solar irradiances. Heuristic annual vegetation shadowing and a multi-resolution shadowing model, complete the proposed method. The significance of different influential factors (e.g. shadowing) was analysed extensively. A comparison between the results obtained by the proposed method and measurements performed on an actual PV power plant showed a correlation agreement of 97.4%.

Keywords: Solar potential; Solar irradiance; LiDAR data; Pyranometer data; Photovoltaic systems (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (32)

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DOI: 10.1016/j.apenergy.2012.08.042

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