Systems priced after federal rebates, as at October 2026: a quality 6.6 kW system runs $5,000-$6,500, and adding a 10 kWh battery takes the combined job to $12,000-$18,000. Battery size is now the biggest single lever on the quote - bigger than the solar array itself.
Pick a size, a tier and a battery. Prices assume Clean Energy Council-approved products fitted by an accredited installer, with the federal discounts already taken off - the way installers actually quote.
Prices are after federal rebates at current settings, as at October 2026 - then send your details and we will confirm an exact quote. No obligation.
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After federal rebates, as at October 2026. Full breakdowns - and why rebate timing matters - are in the guide.
$4,000-$8,500after the federal STC discount
$5,000-$6,500where quality systems typically land
The benchmark rate is $0.88-$0.95 per watt installed, after rebate.
See solar pricing$7,000-$10,500typical, after the federal battery rebate
$5,500-$12,500the full published spread
Before the rebate, the same battery is $8,000-$15,000 - the rebate is worth roughly $250 per kWh on the first 14 kWh right now.
See battery pricing$12,000-$18,000after both federal rebates
Two independent 2026 guides agree on this exact band for the most popular combined system in the country.
See combined pricingStorage now adds as much as the array itself. Past 14 kWh the federal battery rebate pays a reduced rate, so oversized batteries are poor rebate value.
Panel, inverter and battery brands move quotes by thousands on identical capacity. The cheapest quote and the dearest quote for the same house can be $5,000 apart.
Solar discounts shrink every year to 2030, and the battery factor steps down every six months. Waiting a year costs roughly $340-$365 in lost solar rebate on a 6.6 kW system.
Rebate figures on this page are as at October 2026. Federal discounts require approved products and an accredited installer, and the rates step down on published dates - check the current factor with the Clean Energy Regulator before signing anything.
The solar guide explains how the STC discounts actually work, the 14 kWh battery cliff, and why feed-in tariffs have changed the maths.