Solar Systems & Solar Energy Perth, WA

Comparing installers in Western Australia?

Compare solar quotes, or read on to find out more about choosing an installer and rebates that are available in WA.

With an average of 8 hours of sun a day, Perth gets more hours of sunshine than any other capital city in Australia. The long hot summers and mild winters make the city perfect to install a solar system.

Solar market allows you to compare quotes from up to 3 solar installers in your local area. We put you in touch with reliable, CEC accredited installers who will look at your situation and come up with the best system for your needs.

What size system should I get?

With a large amount of sunshine in Perth, the savings from a system are even greater than elsewhere in Australia which offset the lower feed in tariff available. On average a 1.5kW system will generate 6kWh per day, enough for a small home of two people with minimal electricity usage. A 5kW system will provide 20Kwh per day which is enough to power an average 3-person home.

The following table shows what system size you will need for a small, medium and large household.

Small Home Medium Home Large Home
1.5kw system 3kw system 4kw system
6.6kWh ave daily output 13.2kWh ave daily output 17.6kWh ave daily output

Visit our pay back period page to get further information on how long it will take your system to pay for itself.

What rebates are available?

The current rebate available is from the Federal Government, which is generally given as a discount on the price of installation from your installer. There is a small amount of paperwork to do, but the solar company you deal with should be able to guide you through this process. By claiming the rebate this way, you can get a direct discount from the installer and don’t have to worry about claiming the rebate yourself at a later date.

The rebate is not means tested, can only be claimed once per property but there is no limit to how many properties you can claim it on.

Learn more about rebates available from the federal government.

What feed-in tariff is available?

Western Australia’s Feed in Tariff rate is dependent on the area you live in and who your retailer is.

If you’re with Synergy, you’ll receive 8.4c/kWh. If you’re in the country with Horizon Power then the rate you receive will be between 10 and 50c/kWh depending on the specific area you live in.

Horizon customers should contact Horizon directly on 1800 267 926 or visit the Horizon website for further information. Horizon pays different Feed in Tariffs in each town based on the existing uptake of solar and they also compare the costs of solar with generating power via diesel generators.

Retail Energy Provider Current Rate More info
Synergy 8.4c/kWh website
Horizon (Dependent on where you live) 10 – 50c/kWh website

For the majority of people in Perth, it is best to use all your major appliances during daylight hours so you offset your own usage with solar panels. Customers with high daytime usage will get the greatest benefit from solar panels because higher retail electricity costs will be offset during the daytime.

Now is the time to switch to solar

Electricity prices are continuing to rise, whilst panels have came down in price 75% in the last 4 years. Make your switch to solar today!

Things You should Know Along Your Solar Journey

Download Your FREE Beginner’s Guide To Solar Power!

Beginners Guide to Solar Power

If you’re considering solar for your property or just looking to maximise the savings for your solar system, download a FREE copy of our "Beginner’s Guide To Solar Power".

Become an expert and better understand the ins and outs of solar power and solar PV systems for your property.

Includes detailed explanations and diagrams of the various types of solar systems and their parts, solar battery storage systems, Government incentives, expected ROI periods, finance, energy saving tips and more!

Download Your Free Copy Now!

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Understanding Batteries

Off-Grid Systems

For some households a battery system can be of great benefit and minimise a home’s reliance on the grid. However, it’s important to understand for a battery to be useful your solar system needs to be generating excess energy for the battery to store, which you can then use at night or when the sun is not out.

When selecting a battery, you’ll want to invest in a system that is most suited to your home and can drive the best return on investment (ROI). Despite a larger upfront cost, a higher quality battery may significantly increase your ROI.

    Battery systems start from $6,000 and costs can vary greatly based on the following factors:

  1. Cycle Life-Time

    The number of times a battery can fully charge and discharge.

  2. Battery Power (kW)

    How fast it can be charged or discharged.

  3. Storage Capacity (kWh)

    The maximum amount of energy a battery system can store.

  4. Battery Management System (BMS)

    An electronic ‘smart’ system that gathers data and manages the battery ensuring it does not overload or operate outside of its safe functioning zone..

  5. Inverter

    Battery systems require their own inverter if your solar system does not have a hybrid inverter.

  6. 'All-In-One Unit’

    A system which includes the battery, BMS and an inverter all in one unit.

  7. Warranty

    Length of time or cycles the battery system is under guarantee.

  8. Blackout Protection/Backup

    It’s important to note this is not a common feature of a battery system and could cost thousands of dollars to include. Blackout protection not only requires additional components but also a specialised installation and rewiring. For grid-connected homes, the cost for blackout protection can outweigh the benefit.

Additionally, if your purpose for adding battery is to go Off-Grid and become completely independent from the grid you will need to ensure your solar system can generate enough energy to power your home and your battery system is large enough to store this energy. For homes in metro areas going Off-grid is not cost effective and is only recommended for those in remote areas with limited access to the grid. Off-grid solar systems with battery start at approximately $30,000.