State-by-State Solar Rebates & STC Value

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 Switching to solar is one of the most effective ways Australians can cut electricity bills and reduce their carbon footprint. But with solar rebates varying across states and the federal Small-scale Technology Certificates (STCs) scheme in place, it can get confusing to work out how much you can actually save. That’s where using an STC Calculator becomes essential.

In this guide, we’ll break down solar rebates by state, explain how STCs work, and show you how to maximise your solar savings whether you’re in Brisbane, Sydney, Melbourne, or even considering Solar Panel Installation in Eumundi.

 

What Are STCs and Why Do They Matter?

STCs are part of the Federal Government’s Renewable Energy Target scheme. When you install a solar system under 100kW, you generate a set number of STCs based on your system size, location, and expected electricity output. These certificates can then be sold or traded, effectively reducing the upfront cost of your solar installation.

The number of STCs you receive declines each year until the scheme ends in 2030, which is why acting sooner can mean bigger savings.

 

State-by-State Solar Rebates in 2025

Here’s a quick look at the solar rebates available across different states and territories:

  • Queensland – No state rebate, but residents benefit from the national STC scheme and competitive feed-in tariffs from energy retailers. Perfect for homeowners considering Solar Panel Installation in Eumundi and surrounding areas.
  • New South Wales – Offers interest-free loans for solar batteries through the Empowering Homes Program.
  • Victoria – Provides up to $1,400 in rebates for solar panels, plus interest-free loans to match.
  • South Australia – Known for strong solar uptake, with battery subsidies under the Home Battery Scheme.
  • Western Australia – No state rebate, but strong feed-in tariffs for excess energy exported back to the grid.
  • Tasmania – Benefits from national STCs and feed-in tariffs.
  • Northern Territory – Offers grants for battery storage under the Home and Business Battery Scheme.
  • ACT – Provides generous solar incentives through the Solar for Low Income Program.

Regardless of your location, STCs remain the main driver of solar affordability across Australia.

 

How the STC Calculator Helps

The easiest way to know how much you’ll save is by using an STC Calculator. This online tool takes into account:

  • Your system size (kW)
  • Your installation location (postcode)
  • The deeming period (years remaining until 2030)

From these inputs, the calculator shows you exactly how many STCs your system qualifies for and their potential market value. By using the STC Calculator, you can estimate upfront savings before committing to a solar installation.

 

Why Timing Is Crucial

Since the STC scheme phases out in 2030, the number of certificates reduces every year. This means waiting could cost you thousands in lost rebates. For example, installing solar in 2025 gives you more STCs than waiting until 2027, when the deeming period will be shorter.

For homeowners and businesses, acting now ensures maximum financial return. If you’re exploring Solar Panel Installation in Eumundi, using an STC Calculator will highlight just how much you can save by going solar sooner rather than later.

 

Future of Solar Rebates in Australia

The Federal Government has signalled ongoing support for renewable energy, but state-level programs can change quickly depending on policy shifts. Future incentives are likely to focus more on battery storage and grid stability rather than just solar panels.

However, the combination of falling solar prices, feed-in tariffs, and STCs still makes 2025 one of the best times to install solar.

 

Final Thoughts

Understanding solar rebates can feel overwhelming, but tools like the STC Calculator make the process much clearer. By checking your eligibility and potential savings, you can make an informed decision on the right solar system for your home or business.

If you’re planning Solar Panel Installation in Eumundi or anywhere in Australia, remember that the sooner you act, the more you’ll save thanks to STCs and current rebates. With renewable energy becoming the future of power in Australia, using an STC Calculator is the smart first step towards lower bills and a greener lifestyle.

 

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