Drought and concern over climate change has led to the increased use of distributed water systems in Australia to supplement centralised supply systems. A literature review carried out by the Institute for Sustainable Futures (ISF) into the energy consumption of water infrastructure found that very little data on energy consumption exists, particularly for distributed systems. This paper reviews the findings of the literature review and presents results from a preliminary monitoring study on the energy implications of household rainwater systems. Typical household systems that are currently being installed in ouses cross Australia use approximately 1.5 kWh/kL.

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