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Water security and clean energy, Co-benefits of an integrated water and energy management

Vakilifard, N., Bahri, P.A.ORCID: 0000-0003-4661-5644, Anda, M.ORCID: 0000-0001-7398-4192 and Ho, G.ORCID: 0000-0001-9190-8812 (2017) Water security and clean energy, Co-benefits of an integrated water and energy management. Computer Aided Chemical Engineering, 40 . pp. 1363-1368.

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Considering daily surplus output from grid-connected rooftop photovoltaics (PVs) as part of an urban water-related energy mix, this can incentivise the connection of higher number of PVs to the existing grid networks. It has also the benefit of delivering sustainability to energy-intensive water supply technologies such as desalination in cities located in dry climate regions. In this paper, we describe an optimal operation of a desalination-based urban water supply system driven by both grid electricity and surplus PV output. Three tools of geographical information system, system advisor model and Excel are integrated to support a linear programming model. The model is solved through a two-step optimisation approach taking into account water and energy demand and supply systems as well as time of use electricity tariffs. The optimum solution for the north-western corridor of Perth, Australia, shows 12.1 % total cost reduction per day for water supplier and 123 % increase in PV installation capacity; resulting in great benefits for both water and energy sectors.

Item Type: Journal Article
Murdoch Affiliation: School of Engineering and Information Technology
Publisher: Elsevier B.V.
Copyright: © 2017 Elsevier B.V.
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