NDLI: Efficient design of residential buildings geometry to optimize photovoltaic energy generation and energy demand in a warm Mediterranean climate

Content Provider	Springer Nature Link
Author	Pacheco Torres, Rosalía López Alonso, Mónica Martínez, Germán Ordóñez, Javier
Copyright Year	2014
Abstract	The use of efficient design parameters in the initial stages of the life cycle of a building project helps to reduce the final energy demand. This article presents research results on the relation between the morphology of a building and its energy efficiency. Three types of residential buildings are analyzed: the single-family detached house, semidetached house and multidwelling building. The cases studied modeled in EnergyPlus to obtain building energy consumption per useful built surface. Also considered is the energy produced, thanks to the installation of photovoltaic solar panels on the building roof and on 50 % of the south façade surface. The paper provides a method to obtain the curve that shows the difference between the energy demand of residential buildings for various uses (HVAC, lighting, etc.) and the energy generated by installed solar panels in the building. The results reveal that the single-family detached housing model is the less energy-efficient. In the case of multidwelling houses, the optimal building height is obtained to reduce building energy consumption depending on total useful built area. The results show that up to 25 % of multidwelling building energy demand can be satisfied by solar energy on the rooftop and the façade. The balance between the energy demand and energy production of the building highlights the dimensional parameters that define optimal building shape from an energy efficiency perspective. The results obtained can be usefully applied to estimate the optimal geometric characteristics for a building of the same total surface area, which maximally reduces the final energy demand.
Starting Page	65
Ending Page	84
Page Count	20
File Format	PDF
ISSN	1570646X
Journal	Energy Efficiency
Volume Number	8
Issue Number	1
e-ISSN	15706478
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-07-02
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	HVAC demand Building shape Building energy performance Building energy simulation Building-integrated photovoltaics (BIPV) Building efficient design Residential energy model Energy Economics Renewable and Green Energy Environmental Economics Environment Sustainable Development
Content Type	Text
Resource Type	Article
Subject	Energy

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