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Rebates for installing solar panels in WA

Homeowners installing solar panels in Western Australia are entitled to the Federal Government's STC 'rebate'. This incentive comes in the form of Small-Scale Technology Certificates, more commonly referred to as STCs. When you install a solar power system, a certain number of STCs are created based on the size and location of your solar installation. Each STC carries a monetary value, and the total value of these certificates equates to your 'solar rebate.'

Your chosen solar company will handle the application for the rebate on your behalf and apply the value of this rebate as a discount at the point of sale. You can read more in-depth about the STC rebate in our recent blog post on the subject. To make life easy, we have calculated the value of the STC rebate you are entitled to in WA for common solar system sizes in the table below:

System Size	Federal Government Rebate (STC's)	State Government Rebate
2 kW	$1080	NA
3 kW	$1620	NA
4 kW	$2160	NA
5 kW	$2736	NA
6.6kW	$3600	NA
10 kW	$5472	NA

*Please note that the STC rebate calculations are based on solar panels installed in Perth, WA (Zone 3) using an STC price of $36.00.

Western Australia (WA) currently has no additional state-level rebates or grants for solar power.

Current Feed-in tariff rates for retailers in WA

Solar feed-in tariffs (FITs) are the amount you get paid by your energy retailer for the excess energy your solar system exports back into the grid. During the day, it’s typical for your solar power system to generate more power than is being used in your home. This excess means that if you have a grid-connected solar system, the energy you don't use feeds back into the grid, and your energy retailer will pay you a fixed amount per kWh of energy that you send to them. The retailer-provided solar FITs listed here do not include any bonus feed-in tariff that may be provided by the WA State Government.

Energy Retailer	Min rate (per kWh)	Max rate (per kWh)
Synergy	7.1c	7.1c
Horizon Power	7.1c	7.1c

*The feed-in tariff rates you are entitled to vary depending on the energy plan you choose with the retailer. Feed-in tariff rates displayed are correct as of March 2020.

Simple guide to sizing your solar system in WA

Choosing the right system size depends on many factors, including how much power you use during daylight hours, your roof orientation, whether shading will be an issue, and how much roof space you have at your home or business. As a rough guide, you can compare the average daily power usage on your power bill to the average daily output of common system sizes we have calculated in the table below:

System Size	Avg daily output	Return on Investment
2 kW	8.8 kWh	3 - 5 years
3 kW	13.2 kWh	3 - 5 years
4 kW	17.6 kWh	3 - 5 years
5 kW	22.0 kWh	3 - 5 years
6.6 kW	29.0 kWh	3 - 5 years
10 kW	44.0 kWh	3 - 5 years

*Please note that the location used for the daily output calculations is Perth, WA - based on the Clean Energy Council GC Design Guidelines.

Finding the best solar panels for your home in WA!

We have proudly helped tens of thousands of homeowners compare solar quotes in Western Australia over the past five years. There are now 340,660 homeowners in WA enjoying the benefits of solar power in their homes!