The price of solar depends on where you live, what type of system and products you select and which solar company you sign up with. As part of our free compare the market service, we collect live and up to date price information from 100s of solar installers around Australia, and we publish average pricing by capital city on the Solar Price Index:   3kW 4kW 5kW 6kW 7kW 10kW All $3,980 $4,610 $5,110 $5,740 $6,700 $9,180 Adelaide, SA $3,360 $3,920 $4,420 $4,920 $5,920 $8,210 Brisbane, QLD $3,940 $4,530 $4,960 $5,460 $6,970 $8,750 Canberra, ACT $3,560 $4,090 $4,440 $5,010 $5,780 $7,610 Darwin, NT $5,810 $7,130 $7,950 $8,970 $10,090$13,670 Hobart, TAS $4,880 $5,630 $6,280 $7,010 $7,640 $10,560 Melbourne, VIC $3,720 $4,150 $4,560 $4,890 $5,630 $8,080 Sydney, NSW $3,690 $4,160 $4,600 $5,190 $5,930 $7,780 Perth, WA $2,870 $3,230 $3,660 $4,430 $5,670 $8,810 Note the average prices in the above table include: A full turnkey system – all products, labour, equipment hire The government STC rebate (more on this below) GST