Solar Savings Calculator

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In Australia, one thing remains constant: the weather is typically fine and mostly sunny. It’s so predictable that if you were a weather reporter and you wagered on it being fine and sunny when the teleprompter malfunctioned, you’d likely be correct.

However, at Renewable Quotes, we prefer not to rely on chance. We believe in making informed investments, and we encourage you to do the same.

Our mission is to provide every Australian with the essential information they need before making an investment in their own solar system. That’s why we’ve developed our Solar Calculator, a comprehensive tool that combines both an STC Calculator and a Solar Savings Calculator in one convenient package. It’s a game-changer!

Utilize our Solar Calculator alongside our Solar Panel Calculator, and within just a few clicks, you’ll determine whether solar is a worthwhile investment for your home.

Not Your Average Solar Calculator

If you’ve ever experimented with other solar calculators, you know that obtaining a complete overview in one go can be challenging. This is where ours stands out – it does it all!

Our Solar Panel Calculator and Solar Calculator Combo will:

Calculate the ideal size of your solar system.
Determine your STC rebate.
Estimate your potential savings on electricity bills if you had a solar system.
Calculate your return on investment (ROI) and payback period.

We want all Australians, whether young or old, Vegemite-hater or enthusiast, to effortlessly determine the potential savings solar panels could bring to their lives and the environment.

Here’s a sneak peek – the average Australian household can save hundreds, if not thousands of dollars on their annual energy bills with a solar system.

How much can you save?

Discover your potential savings with our Solar Calculator, which combines the Solar Savings Calculator and STC Calculator into one powerful tool, alongside our Solar Panel Calculator. It only takes a few seconds.

Step 1 – Utilize our Solar Panel Calculator to determine your optimal system size

Our Solar Panel Calculator is a brief questionnaire designed to identify the perfect solar system size for your residence.

Just respond to a few basic questions regarding your home and energy consumption, and our Solar Panel Calculator will perform the calculations for you.

Step 2 – Employ our Solar Calculator to assess your potential savings

Now that you know your ideal solar system size, input that data into our Solar Calculator to:

Determine your STC rebate.
Estimate the potential savings on your electricity bills with a solar system.
Calculate your return on investment (ROI) and payback period.

Sounds great, doesn’t it?

Step 3 – Obtain three quotes for your solar system and commence your savings

Estimating your potential solar savings is fantastic, but there’s nothing quite like witnessing your actual bills decrease!

Once you’ve completed our Solar Calculator and Solar Panel Calculator, complete our simple form. We’ll then connect you with three local CEC accredited installers who will provide you with precise solar quotes customized for your home. And the best part? It’s all free!

3 minutes, 3 Steps, 3 Quotes. Cha-ching!

Interested in calculating your solar rebate? Here’s our STC Calculator.

Want to calculate your solar rebate? Here’s our STC Calculator

What is an STC rebate?

STC stands for Small-scale Technology Certificates – a fancy term for Australia’s Federal Government’s solar power incentive. STCs deliver you a cash discount on the cost of a solar system installed at your home.

Each STC has a dollar value that fluctuates as they are traded in the STC market.

The number of STCs you are eligible for depends on the size of your solar system and where you are located in Australia. The sunnier your city, the more green energy you’ll produce and therefore the more STCs you’ll get as a result!

Use our STC calculator to see how much you can get from the Australian Government.

When you use our STC Calculator, note that the number of STCs a solar system is eligible for decreases every year on the 1st of January, so to get the biggest discount it’s wise to get solar sooner rather than later.

Our STC Calculator - work out your Federal solar rebate

Use our STC Calculator to take the guesswork out of figuring out your STC rebate AND to check your solar installer gets it right on their quote. That said if you want to calculate yourself on the back of an envelope, here’s the formula:

And here’s an example for a 6.6kW solar system being installed in Brisbane in 2022:

Visit our Rebates page to find out your zone. Next, find out the current $ value of STCs… …then multiply the number of STCs by that $ value to get the total STC rebate you can expect. In this example below we assume an STC value of $38 (generally, STCs are valued between $35 and $38 each, depending on what the STC market is doing at the time).

Got more questions about planning your solar system? Checkout some of the questions our readers have been asking:

Solar Calculator FAQs

The capacity of solar panels (how many watts they produce) tends to increase each year as the technology improves. Nowadays you need waaaay less roof space than years gone by to fit the same sized system.

Using data from across Australia, here are some rough averages you could expect:

	Average system price*
System size (kW)	Budget	Mid range	Top end
4kW	$2,640	$3,400	$4,800
5kW	$3,300	$4,250	$6,000
6.6kW	$4,396	$5,661	$7,992
10kW	$6,600	$8,500	$12,000
15kW	$9,900	$12,750	$18,000

Out of pocket price, after STC discount is applied*

How did you used to apply for the SA Government Home Solar Battery Scheme?

A solar Savings calculator generally estimates savings based on the following:

How much electricity your home consumes from the grid
How much you pay for that energy i.e. how much your electricity bills are
The time of day you use electricity and how that aligns to the hours when your solar system will be producing energy
Where in Australia you live – the sunnier your city the more energy your panels will produce
How much your electricity retailer (e.g. Origin, Simple Energy, Alinta, etc) will pay you for solar energy you export to the grid – known as a Feed In Tariff

The solar savings calculator is then able to estimate how much your bills will reduce by, therefore how much you can save each year by installing a solar system!

How does a solar cost calculator work out what a system will cost?

A solar cost calculator is pretty simple when you boil it down.

It looks at your desired solar system capacity (in kW), converts it to watts, and then multiplies that number by the average cost per watt for a residential rooftop solar PV system.

The average price per watt for solar is tracked by a number of data providers, which solar industry folks like us then use to give you easy to digest Solar Cost Calculators like this.

You just want to make sure that the per watt pricing data is current as solar pricing does fluctuate based on a number of factors.

Why should I trust your Solar Calculator?

Both our Solar Calculator and Solar Panel Calculator have been developed by our team of experts who have combined decades worth of experience working in the Australian solar industry.

Our Solar Calculator and Solar Panel Calculator are updated regularly to include the most recent solar and energy industry data, including the latest electricity tariffs from all the Australian energy providers you know, like Origin, AGL, Simply Energy, Synergy, etc.

There’s no spin. No massaging of numbers. Just unbiased information that you can actually use.

What are Feed-in-Tariffs (FiT) payments?

When you are looking at your solar calculator results, you may be wondering what a Feed-in-Tariffs (FiT) is.

A FiT is what your electricity retailer will pay you for the solar energy you don’t need so instead your solar system exports it to the grid for other homes to use.

How do I calculate if solar is worth it?

Step 1: Use our Solar Calculator to work out how much solar will save you on your electricity bills over a year.

Step 2: Get quotes for how much a solar system will cost for your home.

Step 3: Divide the cost of the solar system by the amount you will save on your electricity bills each year (your Solar Calculator results from Step 1). This is the number of years it will take before your investment in a solar system has paid itself off and you’re ahead!

Most Aussie homes pay off their solar system, due to the savings from their electricity bills, in well under 5 years, with 2.5 years being common.

As an added bonus, you don’t need to wait 2.5 years before you start saving. With solar, your electricity bills are slashed from the day your solar system is switched on! Woohoo!

Get Your Solar Rebate: SA Solar Quotes That Save You More

Getting a great deal is all about being in the right place at the right time. When it comes to getting a great solar rebate, SA in 2023 ticks all the boxes!

Don’t wait another minute to find out how much you could save on a new solar system.

Get 3 FREE quotes from CEC accredited solar installers local to you and get a better quote!