Photovoltaic Solar Energy from Urban Sprawl: Potential for Poland

Artur Hołuj, Mateusz Ilba, Piotr Lityński, Karol Majewski, Marcin Semczuk and Piotr Serafin
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Artur Hołuj: Department of Spatial Management, Faculty of Economy and Public Administration, Cracow University of Economics, 27 Rakowicka St., 31-510 Cracow, Poland
Mateusz Ilba: Department of Socio-Economic Geography, Faculty of Economy and Public Administration, Cracow University of Economics, 27 Rakowicka St., 31-510 Cracow, Poland
Piotr Lityński: Department of Spatial Management, Faculty of Economy and Public Administration, Cracow University of Economics, 27 Rakowicka St., 31-510 Cracow, Poland
Karol Majewski: Department of Socio-Economic Geography, Faculty of Economy and Public Administration, Cracow University of Economics, 27 Rakowicka St., 31-510 Cracow, Poland
Marcin Semczuk: Department of Socio-Economic Geography, Faculty of Economy and Public Administration, Cracow University of Economics, 27 Rakowicka St., 31-510 Cracow, Poland
Piotr Serafin: Department of Socio-Economic Geography, Faculty of Economy and Public Administration, Cracow University of Economics, 27 Rakowicka St., 31-510 Cracow, Poland

Energies, 2021, vol. 14, issue 24, 1-25

Abstract: Urban sprawl is a process that shapes contemporary urban spaces. Generally, this process is associated with negative effects due to the generation of high costs. However, not all the effects of urban sprawl should be considered in the context of the increasing costs of the use of space; some of them should be regarded as cost cutting factors, for example, the possibility of the use of roofed areas in generating energy from sunlight. Solar energy is believed to be one of the sources of clean energy that reduce pollution and greenhouse gas emissions into the atmosphere. However, solar energy generation necessitates the development of large areas for the purpose of installing photovoltaic modules and substantial funds for creating large solar farms. For this reason, a significant role in state energy policies is played by small dispersed installations mounted on the roofs of buildings. There is a gap in existing research on the assessment of urban sprawl in terms of the potential use of rooftops for solar installations in suburban areas. This research gap has not yet been filled, either conceptually and methodologically. Hence, the contribution of the research to the development of the current state of knowledge involves the identification of economic and environmental benefits of usually negatively perceived urban sprawl. The proposal of a method for the identification of suburban housing potential for solar energy generation constitutes another addition to the state of knowledge. The main objective of this article is to analyse the energy generating potential of buildings located in suburban and urban areas characterised by the confirmed occurrence of urban sprawl phenomena. CityGML data were used to conduct an analysis of the exposure of roofs to sunlight using algorithms based on vector data. The authors estimated the dynamics of changes in time and referred the existing photovoltaic installations to the total potential of a selected area. The use of the energy potential of the analysed roofs of buildings was used to evaluate the external costs and benefits of spatial planning. The discussion presented the current conditions of the energy sector and energy policies in Poland and the EU. In addition, recommendations were proposed for local spatial policies concerning the mitigation of the effects of suburbanization in the context of developing the system of PV micro-installations.

Keywords: PV system; solar energy; energy efficiency; urban sprawl; spatial policy; techno-economic feasibility; national building stock; energy harvesting; energy independence; externalities (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: Add references at CitEc
Citations: View citations in EconPapers (6)

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