Water-related energy in households: a model designed to understand the current state and simulate possible measures

Kenway, Steven J., Scheidegger, Ruth, Larsen, Tove A., Lant, Paul and Bader, Hans-Peter (2013) Water-related energy in households: a model designed to understand the current state and simulate possible measures. Energy and Buildings, 58 378-389. doi:10.1016/j.enbuild.2012.08.035

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Author Kenway, Steven J.
Scheidegger, Ruth
Larsen, Tove A.
Lant, Paul
Bader, Hans-Peter
Title Water-related energy in households: a model designed to understand the current state and simulate possible measures
Journal name Energy and Buildings   Check publisher's open access policy
ISSN 0378-7788
1872-6178
Publication date 2013-03
Year available 2012
Sub-type Article (original research)
DOI 10.1016/j.enbuild.2012.08.035
Open Access Status
Volume 58
Start page 378
End page 389
Total pages 12
Place of publication Lausanne, Switzerland
Publisher Elsevier
Collection year 2013
Language eng
Abstract Energy use in households, including private transport, accounts for about 30% of primary energy use in industrialised countries. Therefore, households are important key drivers of energy use and related greenhouse gas emissions. In order to understand energy use related to water in households a detailed mathematical flow analysis of materials, energy, CO 2 emissions and costs (MMFA) for household water use was set up and tested for a specific family household in Brisbane, Australia. The simulation results for the current state of this household were well within 20% of the monitored data. After calibration, a detailed scenario investigation determined the impact of (i) potential and (ii) realistic reduction values for all relevant (a) behavioural and (b) technical parameters, including a shift from gas to a solar hot-water system. The reduction potentials for water use, greenhouse gas emissions, water-related energy consumption, water costs and water-related energy costs were 4-77%, 14-85%, 15-93%, 1-31% and 13-90% respectively. The study showed that for this household, technical improvements alone, without changing to a solar hot-water system, result in less than a 15% change in terms of energy and greenhouse gas emissions. In contrast, combined behavioural and technical changes have a much higher reduction potential.
Keyword Water
Energy
Greenhouse gas emissions
Material flow analysis
Modelling
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemical Engineering Publications
Official 2013 Collection
 
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Created: Sun, 28 Apr 2013, 00:32:46 EST by System User on behalf of School of Chemical Engineering