The Impact of Solar PV Design Tilt and Orientation on Project Values

Phadnis, N, Yang, J, Wijeratne Mudiyanselage, P, Zhao, H and Liu, C 2019, 'The Impact of Solar PV Design Tilt and Orientation on Project Values', in Prasad Kaparaju; Robert J. Howlett; John Littlewood; Chandima Ekanyake; Ljubo Vlacic (ed.) Proceedings of the 10th International Conference on Sustainability in Energy and Buildings (SEB-18), Gold Coast Australia, 24-26 June 2018, pp. 301-310.


Document type: Conference Paper
Collection: Conference Papers

Title The Impact of Solar PV Design Tilt and Orientation on Project Values
Author(s) Phadnis, N
Yang, J
Wijeratne Mudiyanselage, P
Zhao, H
Liu, C
Year 2019
Conference name SEB-18
Conference location Gold Coast Australia
Conference dates 24-26 June 2018
Proceedings title Proceedings of the 10th International Conference on Sustainability in Energy and Buildings (SEB-18)
Editor(s) Prasad Kaparaju; Robert J. Howlett; John Littlewood; Chandima Ekanyake; Ljubo Vlacic
Publisher Springer Nature Switzerland AG
Place of publication Cham, Switzerland
Start page 301
End page 310
Total pages 10
Abstract Solar PV as a renewable energy source plays an important role in the reduction of energy consumption and CO2 emissions in buildings. The energy generated by a photovoltaic (PV) panel is affected by its orientation and tilt angles with the horizontal plane, which changes the amount of solar energy received by the PV panels which in return affect the cost/benefits of the PV system. Therefore, there's a need to identify which tilt and orientation angle provides the optimum energy output and cost/benefit. This study investigates how tilt and azimuth of a PV panel will impact the energy generated and cost/benefits of a PV project. The study investigates an educational institute in Melbourne, Australia, using modelled solar irradiation data, 25 alternative system design and analysis scenarios, simulated PV panel performance, and comprehensive cost-benefit assessment. The results showed that combination of tilt and azimuth angle of 10 + 10 design provides higher energy output. Further, an unsuitable tilt and azimuth angle of the PV system, depending on the location, can result in reduction up-to 40% in the first-year energy output, 31% in Net Present Value and can delay the payback period up-to three years. However, for best results in energy output, net present value and payback in a PV project, the tilt and azimuth should be decided based on the panel location.
Subjects Building Science and Techniques
DOI - identifier 10.1007/978-3-030-04293-6_30
Copyright notice © Springer Nature Switzerland AG 2019
ISBN 9783030042929
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