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  • Level 38, 71 Eagle Street, Brisbane, Queensland, 4000.
  • Solar Panels Sydney, New South Wales 20 Martin Place, Level 10, Sydney, NSW 2000.
  • Solar Panels Perth, Western Australia Level 27, St Martins Tower, 44 St Georges Terrace, Perth, WA 6000.
  • info@smarthousesolar.com.au
  • + 1300 650 747
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⚡ Australia's Trusted Solar Partner

Why Smart House
Solar?

★★★★★ 4.8 Stars · 400+ Queensland Reviews · 2021 & 2022 Award Winner

Smart House Solar is a 2021 & 2022 Product Review Award Winner serving Queensland and New South Wales. Rated 4.8 stars by 400+ customers for quality products, expert installations and prompt after-sales service.

2021 Product Review Award
2022 Product Review Award
SAA Accredited Installers
Proven Quality Products

Quality of products and services are of top-most importance to us. We believe quality can't be compromised at any cost.

Competitive Pricing

We aim to be competitive in our prices for the level of quality we deliver. Quality comes at a cost and there is no substitute for it.

Flexible Finance Options

We have flexible finance options available with $0 upfront — repay from savings on your electricity bills.

Seamless Start To End Process

We offer a seamless experience from consultation to installation — holding your hand at every stage.

Unbeatable After Sales Care

Our dedicated customer service team resolves all after-sales issues promptly — earning us 4.8 stars and two prestigious awards.

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☀
5kW Solar System on rooftop
The Everyday Sunshine Machine

6.6kW Solar System —
The Everyday Sunshine Machine

Ever sat on your porch, staring at that big glowing sun, thinking — “What if I could use that to power everything?”

Effectively, that’s exactly what the 6.6kW solar system does. It’s not just some futuristic thing on your roof; it’s freedom, independence, and a small revolution in disguise. Crikey, that’s wild.

Sometimes feels like you’ve got sunlight bottled up in your garage—just waiting. One day, power bill slaps you hard; next, sun smiles and pays you back. Absurd, huh?

6.6kW
Inverter
15
Tier-I Panels
330W
Per Panel

Let’s choose the most suitable & best solar panel system for your home.!!

Medium to Big Family Home
10.3kW
Solar System
Own This Solar System From Just
$5496*
  • 22 x 475W Tier 1 Solar Panels
  • 8kW Smart Wifi Inverter
  • Fully Installed
Australia’s Most Popular
Standard Family Home
6.6kW
Solar System
Own This Solar System From Just
$3896*
  • 14 x 475kWh Tier 1 Solar Panels
  • 5kW Smart Wifi Inverter
  • Fully Installed
Bigger Family Home
13.2kW
Solar System
Own This Solar System From Just
$6496*
  • 28 x 475kWh Tier 1 Solar Panels
  • 10kW Smart Wifi Inverter
  • Fully Installed

* Disclaimer: Estimated Battery pricing includes the Federal Battery Rebates under the Cheaper Home Batteries Program (CHBP), which commences on 1st July 2025. Estimated Solar system pricing is subject to government eligibility criteria and after Small Scale Technology Certificates (STCs). All rebates are subject to Government eligibility criteria and program changes. All indicated pricing are subject to the assignment of STCs to SMART HOUSE SOLAR PTY LTD or its registered agents. Indicated pricing applies only to single-story houses, single-phase meters, & Metro area installations. Installation in a regional area may incur extra costs. SMART HOUSE SOLAR PTY LTD does not perform installation work, engages a licensed contractor for the installation.

Experience the Change: Real Aussies, Real Solar Stories

Meet Kelly from Sydney. She switched to a 6.6kW solar system last year. Results? Summer bills slashed. “I open my app. The sun’s running my dryer, my fridge, my air con. Feels like magic—but better, ‘cause it’s savings. Plus, there’s backup when the grid drops out. I trust the system, I trust the crew who set it up.”

And with Victoria's Solar Homes Rebate, you can shave up to $1,400–$1,800 off your upfront cost. So yeah, cloudy skies can still hide good deals.

That’s not a script. That’s life Driven by by sunlight and smart design

Perth solar sunshine
$1,400–$1,800
Victoria Solar Homes Rebate Savings
20–22
kWh Generated Daily
$1,800
Max Rebate Available
☀
Solar panels on roof

Ever wondered what a 6.6kW solar system actually is?

Simple terms? It’s a solar setup that hits the sweet spot — not too big, not too tiny.

A 6.6kW solar system generally produces around 24–27 kWh per day. That’s Enough energy to keep a mid-sized Aussie family running comfortably.

At Smart House Solar, we don’t guess. We measure, map, and match your roof like a puzzle. Because every roof’s got its own story.

Usually, it comes with:

  • 16–20 panels (depending on wattage)
  • 5kW inverter (your solar heart)
  • Mounting frames, wiring, and smart meters

It’s a perfect balance of efficiency and price — powerful but not overkill.

6.6kW Solar System Output—Is It Enough?

  • Perth solar sunshine
    Sydney: Average 26 kWh/day, even in winter with proper tilt.
  • Perth solar sunshine
    Brisbane: Peaks to 29 kWh/day in clear summer stretches.
  • Perth solar sunshine
    Rural & remote: Custom engineering beats shade or awkward roofs.​

So—can you run your whole life on it? Often, yes, especially if you pair with smart meters, timers, and possibly battery storage

Best 5kW solar panel checklist
SAA Certified ✓
6.6kW Solar System
01
01
Pricing Overview

6.6kW Solar System Price – Let's Be Real

Money talk time. The 6.6kW solar system price in Australia swings a little — mostly depending on the panel brand and where you live.

Here's the average scene:

  • Without battery: Ideal for homes looking for an efficient, grid-connected solar setup.
  • With battery: Perfect for those who want energy independence and backup power during outages.
  • 6.6kW system with 5kW inverter: A balanced solution offering reliable performance and excellent energy output.

It's like buying a car — different trims, different prices. But all get you from point A to point B… in this case, toward lower bills.

02
02
Savings

How Much Will a 6.6kW Solar System Save Me?

This one's the real kicker. With a 6.6kW solar system, homeowners typically save $1,500 to $2,000 every year.

$1,500–$2,000
Typical annual savings
with a 6.6kW solar system

That's depending on your area, sunlight hours, and how smartly you use power. Sydney folks often see bigger cuts. Brisbane? Even better — they're sun-rich almost all year.

5kW Inverter
03
03
Inverter

6.6kW Solar System with 5kW Inverter Price

Worried about blackouts? Or just want night energy security?

Adding a battery means you can keep your home running after dark, cover blackouts, or go nearly off-grid. Our 6.6kW solar system with 5kW inverter price as per for quality lithium storage. Packages are scalable; tell us your needs, and we'll design to fit.

Pair with 5kW hybrid inverters for flexibility — you can extend storage or go fully integrated as battery prices fall.

QLD
04
04
Brisbane

6.6kW Solar System Brisbane – Bright Days, Big Savings

Queensland has no chill when it comes to sunlight. Over 300 sunny days a year. So, a 6.6kW solar system in Brisbane? That's practically cheating the grid.

Add a battery, and you're in full control. Use your own power at night. No guilt. No worries.

A few of our Brisbane clients even hit 90% energy independence. That's not fantasy — it's solar done right.

Battery Storage
05
05
Battery

6.6kW Solar System with Battery Price

Adding a battery changes everything. It's like turning solar into a 24/7 powerhouse.

$9K–$12K
6.6kW solar system with battery
price in Australia

Blackout? You've still got power. Nighttime? Still powered by your own sunlight from the day. That's real energy freedom.

Costs by Australian State Capital
Australian State6.6kW
Adelaide, SAView Price
Brisbane, QLDView Price
Melbourne, VICView Price
Sydney, NSWView Price
Perth, WAView Price
Power Generation Per Day
Capital CityApprox. Per Day*
Adelaide24–26 kWh
Brisbane25–27 kWh
Melbourne21–24 kWh
Perth26–28 kWh
Sydney22–25 kWh

FAQs – Real Talk About the 6.6 kW Solar System by Smart House Solar

01
How Many Panels in a 6.6kW Solar System?

Good question. Most systems use 16 to 18 panels, depending on wattage. Each panel produces roughly 370–420W.

So, 6.6kW = 6,600W ÷ 370W ≈ 18 panels. You’ll need around 30–35 square meters of roof space.

Flat roof? Sloped? Doesn’t matter. Installers figure it out for you.

02
6.6kW Solar System Output – What Can It Power?

On average, you’re looking at 24 to 27 kWh per day. That covers your daily life — lights, fridge, washing machine, even your A/C.

And on good sunny days, you’ll have extra power feeding back into the grid. Yep, the power company pays you. That’s a role reversal worth bragging about.

03
Is a 6.6kW Solar System Big Enough?

Honestly? For most families, yes. It’s the “Goldilocks” of solar systems — just right.

It comfortably runs a 3–4-bedroom home, covers your gadgets, kitchen, laundry, and more. You’ll rarely run out of power unless you’re running a mini factory in the garage.

04
How much will a 6.6kW solar system save me?

Well, it’s not an exact number — depends on your sunshine and habits. But usually, our customers at Smart House Solar save around $1,500 to $2,000 every year.

05
How many panels in a 6.6kW solar system?

You’re looking at roughly 16 to 20 panels, give or take one. Each one pushes out around 370–420 watts. That’s what we usually install at Smart House Solar, balancing cost and power perfectly. Not too many panels cluttering your roof — just enough to make your power bills blush.

06
How much is a 6.6kW solar system with battery?

Here’s the honest talk. A 6.6kW solar system with battery from Smart House Solar generally runs between $9,000 and $12,000.

Price changes a bit depending on the battery capacity, the brand you pick, and any rebates in your area. It’s not cheap, but hey — peace of mind when the grid goes down? That’s priceless.

07
Is a 6.6kW solar system big enough for my home?

For most Aussie homes, absolutely. A 6.6kW system by Smart House Solar is like the Goldilocks of solar setups — not too big, not too small.

Perfect for a family of four, running daily stuff like A/C, laundry, and kitchen gear. But if you’ve got a heated pool and a couple of Teslas… well, we can always go bigger.

08
How much do 6.6kW Solar Power Systems cost?

A typical 6.6kW Solar Power System price will range anywhere between $3500 – $5000 for a standard metropolitan installation. Standard metro installation comprises of installation done in a metro area on a single storey house with a tin roof. Price of a 6.6kW Solar Power System will vary for regional installations and also for installations on a double or multi-storey house or on a house with a tile, decramastic roof.A typical 6.6kW Solar Power System price will also vary depending on the brand of panels or inverter.

Couple smiling near solar panels at sunset

Ready to Start Saving with Solar?

Here's What to Do Next

  • Get Your Free Quote
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  • Start Saving in as Little as 2 Weeks