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Volume 14
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10.3390/buildings14061646
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Article

Energy Efficiency Analysis of Building Envelope Renovation and Photovoltaic System in a High-Rise Hotel Building in Indonesia

by
Leni Sagita Riantini
1,
Rossy Armyn Machfudiyanto
1,*,
Titi Sari Nurul Rachmawati
1,
Mochamad Daffa Alfiansyah Rachman
1,
Reza Fachrizal
2 and
Farshid Shadram
3
1
Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia
2
Future Energy Center, Mälardalen University, Universitetsplan 1, 72220 Västerås, Sweden
3
Division of Civil Engineering and Built Environment, Department of Civil and Industrial Engineering, Uppsala University, 75237 Uppsala, Sweden
*
Author to whom correspondence should be addressed.
Buildings 2024, 14(6), 1646; https://doi.org/10.3390/buildings14061646
Submission received: 26 April 2024 / Revised: 27 May 2024 / Accepted: 30 May 2024 / Published: 3 June 2024
(This article belongs to the Special Issue Advanced Building Technologies for Energy Savings and Decarbonization)
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Abstract

The development of high-rise buildings worldwide has given rise to significant concerns regarding their excessive electricity consumption. Among the various categories of high-rise structures, hotels used for business and conferences stand out as particularly extravagant in their energy use. The consequence arising from excessive energy usage is an escalation in carbon emissions, which is a primary driver of global warming. Therefore, this study aims to investigate the energy use intensity (EUI) of a hotel building located in Jakarta, Indonesia. In order to improve energy performance, this study explored various options for renovating the building envelope, such as incorporating insulation and a roof covering, as well as implementing building-integrated photovoltaics (BIPV). The building envelope renovations demonstrated a notable reduction in energy use by 15.8–27.7% per year. BIPV, such as curtain walls and double-skin façades, generated an energy use reduction of 4.8–8.6% per year. Remarkably, by combining the two approaches (i.e., adding insulation and a roof covering in the building envelope and adopting BIPV as double-skin façades), the potential reduction in energy use reached up to 32.2% per year. The findings can assist decision-makers in developing building renovation strategies for high-rise buildings while considering energy conservation.
Keywords: building integrated photovoltaics; energy use intensity; energy analysis; BIM building integrated photovoltaics; energy use intensity; energy analysis; BIM

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MDPI and ACS Style

Riantini, L.S.; Machfudiyanto, R.A.; Rachmawati, T.S.N.; Rachman, M.D.A.; Fachrizal, R.; Shadram, F. Energy Efficiency Analysis of Building Envelope Renovation and Photovoltaic System in a High-Rise Hotel Building in Indonesia. Buildings 2024, 14, 1646. https://doi.org/10.3390/buildings14061646

AMA Style

Riantini LS, Machfudiyanto RA, Rachmawati TSN, Rachman MDA, Fachrizal R, Shadram F. Energy Efficiency Analysis of Building Envelope Renovation and Photovoltaic System in a High-Rise Hotel Building in Indonesia. Buildings. 2024; 14(6):1646. https://doi.org/10.3390/buildings14061646

Chicago/Turabian Style

Riantini, Leni Sagita, Rossy Armyn Machfudiyanto, Titi Sari Nurul Rachmawati, Mochamad Daffa Alfiansyah Rachman, Reza Fachrizal, and Farshid Shadram. 2024. "Energy Efficiency Analysis of Building Envelope Renovation and Photovoltaic System in a High-Rise Hotel Building in Indonesia" Buildings 14, no. 6: 1646. https://doi.org/10.3390/buildings14061646

APA Style

Riantini, L. S., Machfudiyanto, R. A., Rachmawati, T. S. N., Rachman, M. D. A., Fachrizal, R., & Shadram, F. (2024). Energy Efficiency Analysis of Building Envelope Renovation and Photovoltaic System in a High-Rise Hotel Building in Indonesia. Buildings, 14(6), 1646. https://doi.org/10.3390/buildings14061646

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