Solar Panel Cost Guide
How much do solar panels really cost in Australia? We break down system prices, rebates, and what affects your final quote.
lightbulbQuick Answer
The average Australian household installs a 6.6kW system costing $5,500 - $8,000 before the federal STC rebate. After the rebate (~$2,000), you'll pay $3,500 - $6,000 out of pocket. Most systems pay for themselves in 3-4 years through electricity savings.
Solar System Costs by Size
* Prices are indicative and vary by location, installer, and equipment choices. Get a personalised quote for accurate pricing.
What Affects Solar Panel Prices?
Panel Brand & Quality
High ImpactPremium brands like SunPower/Maxeon cost 20-40% more than budget options but offer better efficiency and warranties.
Inverter Type
Medium ImpactString inverters are cheapest. Microinverters and optimisers add $1,000-$3,000 but offer panel-level monitoring and shade tolerance.
Roof Complexity
Medium ImpactMulti-storey homes, steep pitches, or difficult access can add $500-$2,000 to installation costs.
Location
Low-Medium ImpactMetro areas typically cheaper due to competition. Regional/remote areas may have travel surcharges.
Electrical Upgrades
Variable ImpactOlder switchboards may need upgrading ($500-$1,500). Three-phase connections can add costs for larger systems.
Average Prices by City
| City | 6.6kW System | 10kW System |
|---|---|---|
| Sydney | $5,800 - $7,500 | $8,500 - $11,000 |
| Melbourne | $5,500 - $7,200 | $8,000 - $10,500 |
| Brisbane | $5,200 - $6,800 | $7,500 - $10,000 |
| Perth | $5,000 - $6,500 | $7,200 - $9,500 |
| Adelaide | $5,300 - $7,000 | $7,800 - $10,200 |
Prices shown are before STC rebate. Actual costs vary by suburb, installer, and equipment.
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