Solar Energy - Why Has Domestic Rooftop Pv Dominated over Utility Scale Pv

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used for doing these studies are depicted in figure 4, 5 and 6.

From these studies it can be concluded that:

• The smaller the battery is the better it is.

• The ’Stay at home’ steady daytime load is the best (see figure 8).

• It is better to install panels combined to a battery in Queensland than in Tasmania and finally in Victoria

(due to the different consumption and sunshine) (see figure 9).

• The more you consume the better it is (see figure 10).

Figure 4: Different batteries used in the following tables [Source 1]1

Figure 5: Average electricity consumption for different region [Source 2]

1The price shown in the figure for thhe 2,2 kWh battery is the price of two of them. In fact, smaller batteries have shorterlifetime

so two would be needed to hope to last 20 years.

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Figure 6: Different median capital cost for different region and solar installation size [Source 3][pic 7][pic 8][pic 9][pic 10]

Figure 7: Legend used in the following tables

Figure 8: Study of the household load profile style influence

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Figure 9: Study of the region influence[pic 11][pic 12][pic 13][pic 14]

Figure 10: Study of the consumption influence

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3 - Bibliography

Source 1: SolarQuotes (2016) Solar battery storage comparison table. Available at: https://www.solarquotes.com.au

/battery-storage/comparison-table/ (Accessed: 18 August 2016)

Source 2: BillRepublic (2015) Average household electricity usage in Australia. Available at: https://www.billrepubl

ic.com/average-electricity-usage/ (Accessed: 18 August 2016).

Source 3: SolarChoice (2016) Residential solar PV price index – July 2016. Available at: http://www.solarchoice.net

.au/blog/news/residential-solar-pv-system-prices-july-2016-120716 (Accessed: 18 August 2016).

Source 4: Farrell, J. (2015) Questioning solar energy economies of scale, 2014 edition. Available at: https://ilsr.org/qu

estioning-solar-energy-economies-of-scale-2014-edition/ (Accessed: 18 August 2016).

Source 5 : Timilsina, G.R., Kurdgelashvili, L. and Narbel, P.A., 2012. Solar energy: Markets, economics and

policies. Renewable and Sustainable Energy Reviews, 16(1), pp.449-465.

Source 6: Irena (2012) Renewable energy technologies: Cost analysis series. Available at: http://www.irena.org/Docu

mentDownloads/Publications/RETechnologiesCostAnalysis-SOLARPV.pdf (Accessed: 18 August 2016).

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