Energy implications of household rainwater systems

Publisher:
Australian Water Association
Publication Type:
Journal Article
Citation:
Water, 2009, 36 (8), pp. 70 - 75
Issue Date:
2009-01
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The energy intensities of a range of household rainwater systems were monitored in Sydney and Newcastle as part of a study carried out by the Institute for Sustainable Futures (ISF) in collaboration with the Australian Commonwealth Scientific Investigation and Research Organisation (CSIRO). The study found that the energy intensity of these rainwater systems varied depending on system configuration, rainwater end uses and the water efficiency of the household. Preliminary results indicate that the energy intensity varies between 0.9 and4.9 kWh/kL with a 'typical' household rainwater system using approximately 1.5 kWh to deliver each kilo litre of rainwater.
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