How much do solar panels cost in Australia?

A typical 6.6kW solar system costs $4,500-$8,000 after government rebates. Prices vary by state, installer, and panel brand. The federal STC rebate reduces the upfront cost by about $2,000-$3,000.

Are solar panels worth it in Australia?

Yes for most households. A 6.6kW system can save $900-$1,500 per year on electricity bills. Payback period is typically 3-5 years. With rising electricity prices, solar is one of the best investments an Australian homeowner can make.

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Why You Need Multiple Solar Quotes

The same 6.6kW system costs anywhere from $4,000 to $9,000 depending on who installs it. That is not a small difference. Solar installation has massive price variation because installers have different overheads, supplier relationships, and demand levels. Getting 3 quotes is the single most effective way to avoid overpaying.

$2,000-5,000Price variation between installers for the same 6.6kW system

3-5 yrTypical payback period at current electricity prices and STC rebates

$900-1,500Annual savings from a 6.6kW system on a typical Australian home

30%Upfront cost covered by federal STC rebates. Applied at purchase.

How Solar Quotes Work on WattCompare

Fill in the form. We send your details to up to 3 CEC-accredited installers in your area. They contact you with quotes within 24-48 hours. You compare them. You pick the best one. Or none. There is zero obligation and your data is only used for this purpose. We make money from the installers, not from you. This page is how this site stays free.

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Why Compare Quotes?

✓ Prices vary $2,000-5,000 between installers for the same system
✓ 3 quotes = 3 negotiating positions
✓ Compare panel brands, inverter quality, warranties
✓ No obligation, no hard sell

Average System Costs 2026

6.6kW System$4,000-6,000

10kW System$7,000-10,000

13kW System$9,000-13,000

Tesla Powerwall 3$9,000-12,000

10kW + Battery$16,000-22,000

After STC rebates. Actual price depends on roof, location, installer.

Government Rebates

STCs — 30% off install cost (federal)
NSW — interest-free battery loans
VIC — $1,400 solar + $2,950 battery rebate
QLD — regional solar feed-in minimum
SA — Home Battery Scheme subsidies

Compare Electricity Plans · Solar Feed-In Guide