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Optimal option of distributed energy systems for building complexes in different climate zones in China

Authors
Journal
Applied Energy
0306-2619
Publisher
Elsevier
Publication Date
Volume
91
Issue
1
Identifiers
DOI: 10.1016/j.apenergy.2011.08.044
Keywords
  • Distributed Energy Resource
  • Building Complex
  • Climate Zone
  • China
  • Policy Innovation
Disciplines
  • Design
  • Ecology
  • Economics
  • Geography

Abstract

Abstract The design and operation of distributed energy resource (DER) systems are greatly dependent upon the atmospheric conditions, which may determine available natural energy resources on the supply side and local energy requirements on the demand side. In this study, the feasible DER systems for three typical building complexes have been examined for a major city within each of the five major climate zones in China, using economic performance as the sole criterion to be optimized. The results indicate that the hot summer and cold winter zone is the most suitable region to introduce the DER (mainly gas engine and gas turbine units among various alternatives) systems from both economic and environmental viewpoints; while the DER systems are not popular in the mild climate zone. Furthermore, the mixed design of local areas is recognized to be beneficial to the performances of local energy systems. In addition, the administrative directive to develop renewable energy towns results in considerable environment benefits at the cost of poor economic performance. On the other hand, market based policy innovations such as carbon tax can promote the introduction of some renewable energies (biomass specially) to a large extent.

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