Average commercial solar system prices stay steady at about $1.20 per watt for the month of October. The average price of a 100kW system comes in at about $1.10 per watt – or about $110,000 for a fully installed system (after STC incentive and GST are applied).

Commercial solar system prices (10kW-100kW)

All prices in the tables below include incentives available through the federal Renewable Energy Target as well as GST, but do not incorporate meter installation fees or additional costs, such as ground-mounting, grid protection or grid connection studies.

Table 1: Commercial solar PV system prices for October 2017 (median)

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Table 2: $/W commercial solar PV system prices for October 2017 (median)

Historic pricing for popular commercial solar system sizes

Commercial system prices – All system sizes

(N.b. Please see note about ‘Solar Choice Discount’ in January 2016 edition of the PV Price Index.)

About this data

Tables and charts included in this article were compiled using data from Solar Choice’s installer network database, which contains regularly-updated pricing and product details from over 100 solar installation companies across Australia. Although all pricing calculations do account for federal incentives and GST, they do not incorporate meter installation fees or additional costs, such as ground-mounting or grid connection studies. ‘Premium’ installer offerings are not included in the calculations.

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© 2017 Solar Choice Pty Ltd


Tom October 27, 2017 at 11:30 am

Is there any way we can relate your pricing matrix/index to the quality or type of system thats being predominately installed? For example these prices mostly reflect installations of tier 1 panels in a DC string array arrangement or DC optimiser or inverter arrangement….
thanks tom

Solar Choice Staff October 30, 2017 at 4:12 pm

Hi Tom. The prices here are all for string inverter systems. As for tier rankings, there are actually different ranking systems used in Australia. If you’re referring to the Bloomberg New Energy Finance ranking system, they do not publish their results for the general public – although the results are often made public by installers who know they’re using panels that got a Tier 1 ranking from BNEF.

I highly recommend you read our article on tier rankings to get a better understanding of how they’re developed and how to assess them.

As for the panel brands used, the full list of those included for October (in no particular order) is below.

  • Jinko
  • Renesola
  • Trina
  • JA Solar
  • REC
  • HT Solar
  • Sunrise
  • ET Solar
  • Canadian
  • Seraphim
  • CSUN
  • Topsola
  • Risen
  • Phono
  • BLD
  • GCL
  • Talesun
  • Daqo
  • Infinity

Hope this helps!

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