Cost per kWh produced and payback time of a PV -solar -thermal -combined roof top collector at different locations in New Zealand

Kamel, Fouad (2003) Cost per kWh produced and payback time of a PV -solar -thermal -combined roof top collector at different locations in New Zealand. In: 41st Annual Conference of the Australian and New Zealand Solar Energy Society (Solar03), 25 Nov - 2 Dec 2003, Melbourne, Australia.

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Abstract

[Abstract]: This study presents an economic evaluation of three types of solar applications: a) grid-connected photovoltaic system, b) grid-connected photovoltaic system combined with a solar water heating system and c) solar water heating system only. The operational data of an 1.3m2/120-litre tank evacuated tube solar thermal collector and the data of an average1kWp grid-connected crystalline photovoltaic solar generator are taken as a basis for the calculation. The annual amount of energy produced, the incurred cost and the resulting savings over the system lifetime are used to determine the cost per kWh and the payback time of the system at different geographic locations in New Zealand.. The analysis presented in this paper for a combined solar installation including a grid-connected photovoltaic system and a solar thermal unit at a typical domestic house has shown that such a system will present realizable benefits compared to simple grid-connected photovoltaic systems operated separately. The calculations demonstrate the shortest payback time and the lowest cost per kWh for the pure solar water heating system compared to the two other alternatives, the combined system and the sole GC-PV.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Additional Information: Conference proceedings unpublished. Deposited with permission of publisher.
Depositing User: Dr Fouad Kamel
Faculty / Department / School: Historic - Faculty of Engineering and Surveying - Department of Electrical, Electronic and Computer Engineering
Date Deposited: 18 Mar 2008 11:15
Last Modified: 02 Jul 2013 23:00
Uncontrolled Keywords: energy cost, payback time, photovoltaic, solar thermal, evacuated tube solar heater
Fields of Research (FOR2008): 09 Engineering > 0913 Mechanical Engineering > 091305 Energy Generation, Conversion and Storage Engineering
09 Engineering > 0906 Electrical and Electronic Engineering > 090606 Photonics and Electro-Optical Engineering (excl. Communications)
09 Engineering > 0906 Electrical and Electronic Engineering > 090605 Photodetectors, Optical Sensors and Solar Cells
URI: http://eprints.usq.edu.au/id/eprint/4000

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