Solar Rebate for a10kW Solar System

Updated: July 23, 2022

The federal and state governments’ solar rebate programs have made the 10kW solar system affordable and accessible to many.

Depending on where you live, you are likely to receive a rebate amount of $4,081 to $5,583 for a 10kW solar system. Rebate amounts are based on your location (STC zones) and the current trading price of one Small-scale Technology Certificate. The above is based on a STC price of $38.50

Scroll down to see the solar rebate for a 10kW solar system in your city.

Solar Rebate For 10kW Solar System

There are four zones across Australia which will determine the amount of solar rebate you receive. The zones are broken up by the about of sun each zone gets. The more sun, the bigger the rebate.

Map of STC zones

stc zones rating1

Rebate for 10kW solar system by zone

ZoneUV RatingRebate ($38.50 STC)10kW system cost
Zone 11.622$5,583$8,429
Zone 21.536$5,313$8,699
Zone 31.382$4,774$9,238
Zone 41.185$4,081$9,931

Solar rebate for 10kW solar system by city


Sydney is in Zone 3, so for a 10kW system, you will receive 124 STCs which will give you a total rebate of $4,774 at the current STC price of $38.50. This is the rebate for the solar panels and inverter installed only. There are also other rebates available in NSW for low income earners or pensioners as well as interest-free loans to help with the up-front costs.


Melboure in in zone 4 due to it’s low solar radiation rating. You are eligible to receive 106 STCs for a 10kW solar system which will give you a total rebate of $4,081. There are also additional rebates available for solar battery installation of up to $2,401 (for these postcodes only).

There are also interest free loans available for seniors and low income earners.


Adelaide like most major cities in Australia resizes in zone 3 and is eligible for 124 STCs which will give you a loyal rebate of $4,774 on a 10kW sylar system. Like in Victoria, South Australia also offers a rebate on battery installation of up to $3,000 in addition to the regular solar rebate for panels and and inverter.

There are also further concessions for households in low-income aeras in Adelaide to further soak up the cost of going solar, including, and not limited to, an interest free loan.


Brisbane is in Zone 3 with 124 STCs issued for a 10kW solar system. This will give you a total rebate of $4,774 this year. This is based on the current STC traded price of $38.50.


Perth is also in zone 3 which will give you a total rebate on a 10kW solar system of $4,774. In addition to this federal government rebate, the local government also in partnership with Brighte, offers 0% interest on loans for solar panels.

Perth also offers an additional rebate on solar betters storage with up to $2,000 available. This will cover less than 20% of the total $12,500 cost of buying an installing a solar battery.


Canberra is in zone 3 which means you are eligible for 124 STCs. This will give you a total rebate of $4,774 on a 10kW solar system in Canberra. This helps reduce the cost of a 10kW solar system by 40% and brings the payback period from 7 years down to 4 years.

Central Coast

The Central Coast in NSW is also in zone 3 of the solar radiation zones which will give you 124 STCs or a total rebate of $4,774 on a 10kW solar syste.

How Much Power Does A 10kW Solar System Produce

A 10kW solar system produces between 36kWh to 42kWh per day.

How much power your solar system produces, depends on several factors. First, the location of your home. If your home is located in a sunny location, your system is likely to produce more power than in a location with less sunshine.

Also, if your roof is shaded, your solar system is likely to produce less power.

How Many Solar Panels Do I Need For A 10kW System?

The number of solar panels you need for your 10kW system depends on the capacity of the solar panels you use. The size or thickness of solar panels you choose will also determine how many solar panels you need.

You need 27 to 34 solar panels for a 10kW solar system.

Your roof has to be inspected by a professional solar installer before installation. It ensures that you have enough space for the solar panels you need. It also establishes that the location of your house is suitable for the installation of solar panels.

How Many Solar Panels Do I Need For A 10kW System

DIY or Hire A Professional

Since solar systems deal with electric systems, it is difficult to DIY your installation. You can DIY solar installations if you are a qualified and accredited installer.

If you are not, you can easily get a professional installer to do it for you. Use the tool to hire a pro.

At the top of the tool, enter your zip code.

Then, fill out the subsequent form to provide more information on your house size and electricity consumption.

You will then receive three quotes from professional installers with no obligation to hire them. Compare the quotes and choose one of the installers to install the solar system for you.

Is The 10kW Solar System Suitable For Me

The 10kW solar system is the largest system allowed for a residential home. It is suitable for a home that has a large daily electricity consumption. If you use more than 30kWh of power daily, the 10kW solar system is suitable for you.

If you have or intend to buy an electric car, the 10kW system is the best solar system you can use.

Additionally, if you intend to use more power in your household, and expect a large electricity bill, you can install the 10kW solar system. It will help to reduce your electricity bill significantly and provide an allowance for the usage of more power at low costs.


Depending on the size and capacity of your solar panels, you will need about 54 to 80 sq meters of roof space to install a 10kW solar system.

If you have little roof space, a professional installer can advise on the alternative ways to install a 10kW system. Smaller higher watt capacity panels and mounting elsewhere in your compound are some options you could consider with your professional installer.

If you have enough roof space, you can install more affordable solar panels.

The Australian government is gradually phasing out the rebate program for it to end on 31 December 2030. Every year, until the end date, the government will reduce the rebate amount until it is ultimately zero.

If you want to install a solar system in your home, install it now to get reduced prices for purchase and installation.

The payback period for a 10kW system is five years. The 10kW system can easily power two houses. How long it takes to recoup your investment is determined by how you consume the power generated by your system. How much your system generates is determined by how it is installed and how much sunshine it receives in the location of your home.

With a 20 to 25 years lifespan, you can enjoy free power from your solar system after you recoup your investment.

A fast payback period is one of the advantages of investing in a solar power system.

Yes, you can.

A solar battery system is an integral part of a home solar power system. A solar battery ensures that excess power from your solar panels is stored for later use. A 10kW system produces enough power for two homes. For homes that can’t consume the full amount of power produced, a solar battery system is essential.

Depending on the state you live in, you can get a rebate for the purchase of a solar battery system. Or, you can get an interest-free loan. It is expensive to purchase and install solar battery systems. The reason for which states offer rebates to install battery systems.

You can still use your solar panel system if you don’t have a battery. However, you will have to change the time that you use the most electricity and now use it during the day.

When the sun is shining, your solar system produces the most power. Run your home appliances at this time to utilize the solar power generated. At night, you will use electricity from the grid for a short time only.

When you don’t have a solar battery, make sure that you have a feed-in agreement with your electricity retailer. This allows you to export the excess electricity from your solar system to the grid. The feed-in-tariff rate that you receive reduces or eliminates any electricity bill that your receive.

Yes, it is.

If you want to install a solar system in your home, do it now. First, you will get a better price if you buy your solar system now. Buying your solar system later means that you will find a lower rebate amount which makes your solar system more expensive to acquire.

As electricity costs continue to rise, installing a solar system now ensures that you make significant savings on this recurrent household cost.