Transition to a sustainable urban energy system from a long-term perspective: Case study in a Japanese business district

Transition to a sustainable urban energy system from a long-term perspective: Case study in a... This paper investigates alternative prospects for an urban energy system from a long-term perspective in order to achieve a reduction in CO 2 emission by more than 50% of the current emission in the Japanese commercial sector. This will assist in making strategic choices with regard to the implementation of available technologies in order to create a substantial change. A simulation model based on the bottom-up approach – a fundamental part of the evaluation framework of technology implementation scenarios – provides insights into the changes required in all the components of urban energy systems from the equipment level to the entire building and systems level and finally to the neighborhood and city levels. This model is applied to the Yodoyabashi district, a central business district in Osaka, Japan, in order to predict the end-use energy consumption and CO 2 emission under various scenarios. This is based on different concepts of community energy management. The results of this case study suggest that we can achieve a reduction of 60–90% of the current CO 2 emission by the middle of the 21st century. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Energy and Buildings Elsevier

Transition to a sustainable urban energy system from a long-term perspective: Case study in a Japanese business district

Energy and Buildings, Volume 39 (1) – Jan 1, 2007

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Publisher
Elsevier
Copyright
Copyright © 2006 Elsevier B.V.
ISSN
0378-7788
eISSN
1872-6178
D.O.I.
10.1016/j.enbuild.2006.03.031
Publisher site
See Article on Publisher Site

Abstract

This paper investigates alternative prospects for an urban energy system from a long-term perspective in order to achieve a reduction in CO 2 emission by more than 50% of the current emission in the Japanese commercial sector. This will assist in making strategic choices with regard to the implementation of available technologies in order to create a substantial change. A simulation model based on the bottom-up approach – a fundamental part of the evaluation framework of technology implementation scenarios – provides insights into the changes required in all the components of urban energy systems from the equipment level to the entire building and systems level and finally to the neighborhood and city levels. This model is applied to the Yodoyabashi district, a central business district in Osaka, Japan, in order to predict the end-use energy consumption and CO 2 emission under various scenarios. This is based on different concepts of community energy management. The results of this case study suggest that we can achieve a reduction of 60–90% of the current CO 2 emission by the middle of the 21st century.

Journal

Energy and BuildingsElsevier

Published: Jan 1, 2007

References

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