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6.6kW Solar system deals are all the rage at the moment. Why? 6.6kW is the largest system configuration permissible on a 5kW inverter.
6.6 kW Solar Deals

Build your ideal 6.6kW solar power system.

Your house is different from your neighbours. Therefore, why should your 6.6kW solar energy system be the same? All PSW 6.6kW solar packages generate on average 30 units per day. That’s your energy-saving potential.

Howeverdifferent preferences, warranty ideals, budget and available roof area are variables which can lead to a vastly different 6.6kW solar package selection. Why not begin by selecting a combination which fits your initial budget. We will then do our best to make this work for you.

6.6kW Solar Panels

Each featured solar panel option above has been carefully selected to offer extraordinary value for the price. Simply tap any of the above images to learn more about a particular solar module.

*Cash sale prices listed for single-level, single-phase and single roof face dwellings with a 5kW Goodwe DNS inverter after STC zone 3 subsidy has been applied. Additional installation costs may apply (inquire).

5kW Inverter

Did you know, Perth Solar Warehouse is a trusted manufacturer certified installation partner for each brand above? Manufacturer partners possess intimate product knowledge and an assured product warranty for the nominated period through advanced training. 

Tap any of the above images to learn more about a particular inverter technology.

*Cash sale prices listed for single-level, single-phase and single roof face dwellings with 18 x 370W Seraphim S3 solar panels after STC zone 3 subsidy has been applied. Additional installation costs may apply (inquire).

Fantastic service from start to finish. Installation team were friendly, tidy and very professional. So impressed with the system installed and the Tesla battery - the app clearly shows all that is happening with our system.

Alison Bartlett

- Google

What now?

Seen something you like? Make sure the above 6.6kW solar prices are our best!

PSW Sales Support can also provide you with various options with compatibility specific to your property. Tell us what you like and compare estimated performance, environmental benefits, potential electricity bill savings, return on investment and more!

Easy right? Dive in and enjoy the variety!

SALE: Unbeatable 6.6kW Solar value by Perth Solar Warehouse;

  • Your preferred 6.6kW solar panel option.
  • Your preferred 5kW inverter technology.
  • WiFi connected monitoring portal.
  • PSW Project management portal.
  • PSW Premium in-house installation.
  • PSW leading 15-year workmanship warranty.
  • PSW Life Support.
  • PSW VIP site access including Rewards club.
  • PSW renowned 5-star customer satisfaction.

Combine your ideal 6.6kW solar system, exclusive discounts, fully installed package prices!

From start to finish the process was easy and smooth, from Jesse who quoted and was super patient with our many questions, to the team in between and the installers. Thanks again

Kellie B

- Google

Considering a battery?

Combine any 6.6kW solar system with a solar battery for the ultimate in bill reduction success. You’re buying a 6.6kW solar energy system to do a job, make sure it does the whole job with a battery.

Tap any of the below battery images to learn more about a particular battery technology or compare all batteries by selecting this big pink “Compare All Batteries” button.

Frequently Asked 6.6kW Questions

Western Power doesn’t allow single-phase solar inverter capacity higher than 5kW output. Synergy excludes solar inverter capacities which exceed 5kW output capacity from the Distributed Energy Buyback Scheme.

As solar panels rarely reach peak rated power, certain solar inverter manufacturers states that their inverters can be overloaded by up to 50%.

Although the Clean Energy Regulator has had their say on this topic and capped oversizing to 33%. Therefore, 5kW Inverter capacity x 1.33 = 6.6kW of solar panels.

Oversizing solar inverters explained in even more glorious detail >

This all depends on you. A 6.6kW solar energy system with a 5kW inverter will generate an annual average 30units (kWh) per day.
However, each bill and usage pattern is different. In fact, it’s as unique as your finger print.
PSW Sales Support can provide detailed bill reduction estimates based on your past energy usage patterns. Quite simply, the more past power bills you provide the more accurate our data.


Perth Solar Warehouse is a registered electrical business in Western Australia. As a McKercher Corporation Pty Ltd business (EC010771) Perth Solar Warehouse utilises an in-house electrical service team insured and licensed to perform electrical services on your property.

Unless stated, all 6.6kW solar packages come standard with WiFi connected production monitoring and service alerts only.

To include energy consumption monitoring an addition monitoring device is required at the main switchboard.

Ask PSW Sales Support prior to your 6.6kW solar installation for exceptionally discounted prices on energy consumption meters.

Approved Perth/ Bunbury region customers (STC Zone 3) can enjoy a $3312 subsidy when installing 6.6kW of solar panels on a 5kW inverter.

Based on 92 claimable Small Technology Certificates, with a system utilising 18 x 370W solar panels and a $36 STC market valuation (92 STC’s x $36 market value = $3312 subsidy).

All listed Perth Solar Warehouse 6.6kW solar package prices include the subsidy deducted as a point of sale discount (redeemable by Perth Solar Warehouse after installation).

For the more about the rebate in overwhelming detail including what are STC’s? Click here >
Most residential 6.6kW solar energy systems installed on a 5kW inverter will qualify for for the Synergy solar Feed-in Tarriff or DEBS (Distributed Energy Buyback Scheme. 
This means, as a level of compensation, you will receive 0.03c ex GST during off peak, and 0.10c ex GST during peak periods (3pm to 9pm) for each unit (kWh) exported to the grid by your solar energy system. 

Eligibility criteria and full pricing, learn more >

With over 16-years of industry presence, PSW is one of the few solar retailers who have sought out to become manufacturer endorsed with every stocked product. 

Along with industry endorsements (such as CEC Approved Solar Retailer status), a manufacturer endorsement is a commitment to unrivalled product knowledge on an ultra-refined scale.

Manufacturers will not align with non-reputable brands. If you’re still undecided visit PSW vs The Rest >

View the entire map of the PSW service area, includes past (and may be even your neighbours) installations, Discover >

I have been looking to get solar for quite a while. I spoke with over 20 companies for quotes and to discuss what I needed. PSW, was the most proffessional, most customer friendly and most knowledgeable of all of them. Jesse was outstanding and very knowledgeable. From the office people to the technicians working at my property, all were very proffessional and friendly. Did a great job. Thank you all. I will make sure to recommend you guys to families and friends. Keep up the good job.

Ahumud Mahamoodally

- Google


3 kW Solar Deals, 6.6 kW Solar Deals, 10 kW Solar Deals, 13 kW Solar Deals


Think the 6.6kW solar deals at Perth Solar Warehouse are limited? Then you need to see our extended range at PSW Energy. Simply put, it’s Perth’s largest online solar superstore

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