Roof’s Potential and Suitability for PV Systems Based on LiDAR: A Case Study of Komárno, Slovakia
The case study focuses on evaluating the suitability of roof surfaces in terms of their solar potential based on their geometric parameters. The selected processing methodology detects segments of roof surfaces from the LiDAR base, supplemented with spatial information (orthophoto map, real estate c...
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| Veröffentlicht in: | Sustainability 2020-12, Vol.12 (23), p.10018, Article 1 |
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| creator | Gergelova, Marcela Bindzarova Kuzevicova, Zofia Labant, Slavomir Kuzevic, Stefan Bobikova, Diana Mizak, Jozef |
| description | The case study focuses on evaluating the suitability of roof surfaces in terms of their solar potential based on their geometric parameters. The selected processing methodology detects segments of roof surfaces from the LiDAR base, supplemented with spatial information (orthophoto map, real estate cadastre (REC)—footprint, basic database for the geographic information system (ZBGIS)—classification of buildings—current use). The approach based on spatial analyses takes into account the limit conditions for determining the impact of solar radiation resulting from the roof area, slope, aspect, and hillshade. Considering to the available subsidy scheme for family houses in the conditions of the Slovak Republic, a narrower sample of 35 family houses was selected from the total number of typologically represented buildings (194). A 3D model of the building created by combining REC and LiDAR substrates shows the roof surface without overlap, while another 3D model made of LiDAR substrates alone represents the actual dimension of the roof surface. The results presented for each selected building show good agreement with each other, and their visualizations were obtained using two GIS environment approaches. In the area of family houses, up to 94% of the roof areas of buildings registered in the REC meet the conditions for the installation of a PV system with an output of 2.6/3.3 kW. |
| doi_str_mv | 10.3390/su122310018 |
| format | Article |
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The selected processing methodology detects segments of roof surfaces from the LiDAR base, supplemented with spatial information (orthophoto map, real estate cadastre (REC)—footprint, basic database for the geographic information system (ZBGIS)—classification of buildings—current use). The approach based on spatial analyses takes into account the limit conditions for determining the impact of solar radiation resulting from the roof area, slope, aspect, and hillshade. Considering to the available subsidy scheme for family houses in the conditions of the Slovak Republic, a narrower sample of 35 family houses was selected from the total number of typologically represented buildings (194). A 3D model of the building created by combining REC and LiDAR substrates shows the roof surface without overlap, while another 3D model made of LiDAR substrates alone represents the actual dimension of the roof surface. The results presented for each selected building show good agreement with each other, and their visualizations were obtained using two GIS environment approaches. In the area of family houses, up to 94% of the roof areas of buildings registered in the REC meet the conditions for the installation of a PV system with an output of 2.6/3.3 kW.</description><identifier>ISSN: 2071-1050</identifier><identifier>EISSN: 2071-1050</identifier><identifier>DOI: 10.3390/su122310018</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Accuracy ; Alternative energy sources ; Buildings ; Cadastral mapping ; Cartography ; Case studies ; Data collection ; Energy consumption ; Energy resources ; Geodetics ; Geographic information systems ; Houses ; Lasers ; Photovoltaic cells ; Real estate ; Renewable resources ; Residential areas ; Roofing ; Roofs ; Software ; Solar energy ; Solar radiation ; Spatial analysis ; Spatial data ; Substrates ; Sustainability ; Thermal energy ; Usability</subject><ispartof>Sustainability, 2020-12, Vol.12 (23), p.10018, Article 1</ispartof><rights>2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). 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The results presented for each selected building show good agreement with each other, and their visualizations were obtained using two GIS environment approaches. 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| subjects | Accuracy Alternative energy sources Buildings Cadastral mapping Cartography Case studies Data collection Energy consumption Energy resources Geodetics Geographic information systems Houses Lasers Photovoltaic cells Real estate Renewable resources Residential areas Roofing Roofs Software Solar energy Solar radiation Spatial analysis Spatial data Substrates Sustainability Thermal energy Usability |
| title | Roof’s Potential and Suitability for PV Systems Based on LiDAR: A Case Study of Komárno, Slovakia |
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