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Net energy analysis of solar and conventional domestic hot water systems in Melbourne, Australia

journal contribution
posted on 2004-01-01, 00:00 authored by Robert Crawford, G Treloar
It is commonly assumed that solar hot water systems save energy and reduce greenhouse gas emissions. The net energy requirement of solar hot water systems has rarely been analysed, including their embodied energy. The extent to which solar hot water systems save energy compared to conventional systems in Melbourne, Australia, is shown through a comparative net energy analysis. It was shown that the embodied energy component of the net energy requirement of solar and conventional hot water systems was insignificant. The solar hot water systems provided a net energy saving compared to the conventional systems after 0.5–2 years, for electric- and gas-boosted systems respectively.

History

Journal

Solar energy

Volume

76

Issue

1-3

Pagination

159 - 163

Publisher

Pergamon

Location

Phoenix, Ariz.

ISSN

0038-092X

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2003, Elsevier

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