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Sustainability 2018, 10(2), 482; https://doi.org/10.3390/su10020482

Energy-Independent Architectural Models for Residential Complex Plans through Solar Energy in Daegu Metropolitan City, South Korea

1
Department of Electrical Energy Engineering, Keimyung University, 1095 Dalgubeol-daero, Daegu 42601, Korea
2
Department of Architecture, Keimyung University, 1095 Dalgubeol-daero, Daegu 42601, Korea
3
Department of Landscape Architecture, Keimyung University, 1095 Dalgubeol-daero, Daegu 42601, Korea
*
Authors to whom correspondence should be addressed.
Received: 4 December 2017 / Revised: 1 February 2018 / Accepted: 7 February 2018 / Published: 11 February 2018
(This article belongs to the Section Sustainable Engineering and Science)
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Abstract

This study suggests energy-independent architectural models for residential complexes through the production of solar-energy-based renewable energy. Daegu Metropolitan City, South Korea, was selected as the target area for the residential complex. An optimal location in the area was selected to maximize the production of solar-energy-based renewable energy. Then, several architectural design models were developed. Next, after analyzing the energy-use patterns of each design model, economic analyses were conducted considering the profits generated from renewable-energy use. In this way, the optimum residential building model was identified. For this site, optimal solar power generation efficiency was obtained when solar panels were installed at 25° angles. Thus, the sloped roof angles were set to 25°, and the average height of the internal space of the highest floor was set to 1.8 m. Based on this model, analyses were performed regarding energy self-sufficiency improvement and economics. It was verified that connecting solar power generation capacity from a zero-energy perspective considering the consumer’s amount of power consumption was more effective than connecting maximum solar power generation capacity according to building structure. Moreover, it was verified that selecting a subsidizable solar power generation capacity according to the residential solar power facility connection can maximize operational benefits. View Full-Text
Keywords: energy-independent architecture; solar energy; residential complex; architectural model; net metering; power purchase agreement energy-independent architecture; solar energy; residential complex; architectural model; net metering; power purchase agreement
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Kim, S.-Y.; Choi, H.-S.; Eum, J.-H. Energy-Independent Architectural Models for Residential Complex Plans through Solar Energy in Daegu Metropolitan City, South Korea. Sustainability 2018, 10, 482.

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