Sustainability Development through a Nearly Zero Energy Building Implementation Case: An Office Building in South Jakarta

Farizal Farizal (), Muhammad Aqil Noviandri and Hanif Hamdani
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Farizal Farizal: Department of Industrial Engineering, Faculty of Engineering, Kampus Baru UI, Universitas Indonesia, Depok 16424, Indonesia
Muhammad Aqil Noviandri: Department of Industrial Engineering, Faculty of Engineering, Kampus Baru UI, Universitas Indonesia, Depok 16424, Indonesia
Hanif Hamdani: Department of Industrial Engineering, Faculty of Engineering, Kampus Baru UI, Universitas Indonesia, Depok 16424, Indonesia

Sustainability, 2024, vol. 16, issue 16, 1-21

Abstract: Nearly zero energy buildings (NZEBs) might play a significant role in addressing current global environmental problems, i.e., greenhouse gas (GHG) emissions. Buildings are one of the main electricity consumers. With current electricity production coming mainly from fossil fuel power plants, buildings contribute indirectly to GHG emissions. This report shows potential energy-saving alternatives (thus reducing the carbon footprints) for an 18-story office building in South Jakarta’s central business district. Four alternatives are considered, namely cooling tower and CWP pump replacement, BAS installation, LED dim light replacement, and solar panel installation. The project that implements all four alternatives indeed produces the biggest emissions savings. However, its net present value (NPV) is negative, which means the project is not economically feasible. Furthermore, any combination of projects involving solar panel installation will produce negative NPVs. The combination of cooling tower and CWP pump replacement, BAS installation, and LED dim light replacement will be the best option, with an NPV of IDR 437,853,822, an energy consumption index (IKE) value of 11.76 (meaning the “efficient” building category) and a carbon emissions reduction of 1172.65 tons of CO 2 .

Keywords: office building; nearly zero energy; carbon emissions (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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