Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/73211
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Type: Journal article
Title: Sensitivity of optimal tradeoffs between cost and greenhouse gas emissions for water distribution systems to electricity tariff and generation
Author: Wu, W.
Simpson, A.
Maier, H.
Citation: Journal of Water Resources Planning and Management, 2012; 138(2):182-186
Publisher: ASCE-Amer Soc Civil Engineers
Issue Date: 2012
ISSN: 0733-9496
1943-5452
Statement of
Responsibility: 
Wenyan Wu, Angus R. Simpson, and Holger R. Maier
Abstract: Increased awareness of climate change has shifted the focus of water distribution system (WDS) optimization research from cost minimization only to the incorporation of energy or associated greenhouse gas (GHG) minimization. In this study, a sensitivity analysis is conducted to investigate the effect of electricity tariff and generation (emission factors) on the results of multiobjective WDS optimization accounting for both total economic cost (both capital and operating costs) and GHGs. A multiobjective genetic algorithm-based optimization approach is used to conduct the analysis. The results show that electricity tariff has a significant effect on the total economic cost of WDSs and the selection of optimal solutions. In contrast, the changes of emission factors in the future have a significant effect on the total GHGs from WDSs. However, it does not alter the final solutions on the Pareto-optimal front. © 2012 American Society of Civil Engineers.
Keywords: Water distribution systems
Multiobjective optimization
Greenhouse gas emissions
Climate change
Sensitivity analysis
Genetic algorithms.
Rights: © ASCE 2012
DOI: 10.1061/(ASCE)WR.1943-5452.0000169
Appears in Collections:Aurora harvest 2
Civil and Environmental Engineering publications
Environment Institute publications

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