Planning for future energy-efficient and energy-producing buildings requires specific knowledge during the design process. Many design decisions taken by urban planners –form, density, roof type and orientation – have a significant effect on the conditions of such buildings, although urban planners might not always be aware of the effect of their design. This study examines the effects of important design decisions on the solar energy potential of net zero energy solar buildings. Typical Swedish building blocks with varying form, density, roof type and orientation were used to simulate the annual solar irradiation and energy production, and to calculate the load match for heating and electricity under Swedish conditions. Results of this study show that the urban density is the most influential parameter on the solar potential of building blocks. Furthermore, flat roofs often returned the highest load match value, while the effect of orientation on the solar potential turned out not to be that straightforward. With the results of this study, urban planners can make better informed decisions, while it also provides a ground for the net zero energy solar buildings discussion by exposing the boundaries of such buildings in the urban environment.
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DOIS: 10.1080/21650020.2014.893199 10.1080/21650020.2014.939297 10.1016/j.scs.2013.01.002 10.1016/j.enbuild.2013.12.046 10.1016/j.enbuild.2013.10.014 10.1080/00038628.2012.681031 10.1016/j.solener.2013.06.002 10.1016/j.jtrangeo.2012.10.010 10.1016/j.ijsbe.2013.05.002 10.1016/j.enbuild.2014.01.039 10.1016/j.apenergy.2013.09.065 10.1016/j.enbuild.2004.01.009 10.1016/j.egypro.2012.11.127 10.1016/j.enbuild.2012.01.032 10.1016/j.apenergy.2013.11.018 10.1016/j.enbuild.2010.12.022 10.1016/j.egypro.2014.02.145 10.1016/j.jenvman.2004.06.002 10.1016/j.egypro.2014.02.140 10.1016/j.egypro.2014.02.096 10.1016/j.apenergy.2012.08.042 10.1016/j.egypro.2014.02.181 10.1016/j.egypro.2014.02.180
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