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Use calculator Get free quotes
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Solar Power Calculator

Calculate your solar savings

Get accurate cost, savings, new bill and payback results for your property.

What’s your postcode?

Enter your postcode and complete the following steps so that we can provide you with accurate cost and payback figures for your solar system.
Solar Power Calculator

How much is your average electricity bill?

Only change this figure if you know the your electricity cost per kWh.

Estimate the cost of your average electricity bill and tell us how often you are billed.
Cut your emissions and save on your electricity bills.
Solar Power Calculator

What system size do you want to install?

0

Only change the cost figure if you have been quoted a different price.

Tell us the size of the system you want. If you don't know, use the default size, you can change it later in the results!
How this affects your results: $658annual savings
658tonnes saved
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These are indicative results based no your inputs so far.

Solar Power Calculator

When do you spend time at home?

Tell us how much time you typically spend at home during the day. This gives us a guide as to how much electricity you use during daylight hours. You can alter this figure later in the results.
How this affects your results: $658annual savings
658tonnes saved
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These are indicative results based no your inputs so far.

Solar Power Calculator

Do you want to add a battery?

0 kWh

This tells you the size of the battery you have selected.

Only change this figure if you have been quoted a different price.

If you want to add a battery to your system, select one from the dropdown list.
How this affects your results: $658annual savings
658tonnes saved
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These are indicative results based no your inputs so far.

Solar Power Calculator

Roof tilt

0
Estimate the pitch of your roof where the solar panels will be installed. If you don't know, just use the default setting.
How this affects your results: $658annual savings
658tonnes saved
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These are indicative results based no your inputs so far.

Solar Power Calculator

What's your roof orientation?

border-shape
Estimate the direction of your roof where the solar panels will be installed. Try to use a northerly aspect as opposed to a southern one.
How this affects your results: $658annual savings
658tonnes saved
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These are indicative results based no your inputs so far.

Solar Power Calculator

Almost there

Add Advanced options

If you know your average daily electricity use, you can enter it here.

You can alter the percentage of electricity used during daylight hours.

You can change your feed-in tariff rate if it differs from the default value.

Change this figure if it differs from the default value. Enter the total supply charge cost for the year.

You can change the cost of the system here.

You can change the battery cost here.

If you are financing your purchase, select an option from the dropdown to get more accurate results.

If your rooftop is subject to shading, enter a value (in hours) from the dropdown list.

You can change the electricity cost rate here, we have used 3%.

You can change the system degradation rate. We have used 0.30%.

This value impacts your lifetime savings. We have used 25 years for the solar panels.

We have estimated the cost of the inverter replacement to be $1,500.

Only use the advanced options if you're confident with your solar knowledge.
How this affects your results: $658annual savings
658tonnes saved
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These are indicative results based no your inputs so far.

Solar Power Calculator

Your results

These are the options that will mostly impact your savings. Change these options to better suit your needs.

0
0
0
First year savings $0,000 Payback period 0.0 years
  • icon25 year savings $0,000
  • iconSolar rebate $0,000
  • iconTotal you pay (including rebate) $0,000
  • iconReturn on investment 0.0%
Get free quotes for this system Download results Email results
New average bill $00
  • iconNew summer bill $00 CR
  • iconNew autumn bill $00 CR
  • iconNew winter bill $00
  • iconNew spring bill $00
Get free quotes for this system Download results Email results
Tonnes of CO2 saved $000.0
  • iconTrees planted 00,000
  • iconCars off the road (one year) 00
  • iconOffset carbon footprint (people in one year) 0.0
Get free quotes for this system Download results Email results
  • iconSystem size 00,000
  • iconNumber of panels(Area m²) 00   (m²)
  • iconSolar generated daily 0.0
  • iconEnergy fed back into the grid 0.0
Get free quotes for this system Download results Email results

Get quotes for this system and save up to $0000

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Disclaimer

This solar power calculator is indicative only. It is provided to give an estimate only and general guide of the potential savings and benefits of installing and using solar panels and batteries. You can read our full solar calculator disclaimer here.

How it works?

Simply complete the questions as best you can and we'll provide you with accurate cost, savings, payback, emissions and electricity bill comparison results.

What we’ll ask from you:
  • What’s your postcode?
  • How much is your average electricity bill?
  • How often are you billed?
  • What is the cost of your electricity per kWh?
  • What system size do you want to install?
  • When do you spend time at home?
  • Do you want a solar battery?
  • What’s the pitch of your roof?
  • Which direction does your roof face?

What you need to know about solar

Our solar panel calculator generates results that can give you a firm idea about the suitability of solar for your property.

In addition to the calculator, you can learn all you need to know about going solar by reading some of our detailed guides, we suggest you start with this one:

Solar panels for your home: A complete guide >>

Solar resource guides:

Cost:How much do solar panels cost?
Suitability:Are solar panels worth it?
System size:How many solar panels do you need?
Rebates:Solar rebates: What can you claim?
Feed-in tariffs:Feed in tariffs: What are they?
Best panels:Selecting the best solar panel
Batteries:Do you need a solar battery?

Why Solar Calculator?

Our calculator is renowned for its accuracy and has been used by hundreds of thousands of visitors and solar professionals. We have also helped tens of thousands of solar customers by arranging quotes from quality solar companies.

Why choose us?

Accuracy:Our calculator is used by solar professionals
Pre-vetted installers:Thorough vetting process
Accreditation:CEC Accredited installers
No obligation:No pushy sales tactics

You tell us about your property

When you request quotes through our website, you will be required to complete a quick, but detailed form. By providing a little more information, we are able to arrange for a better company to quote because the more information you provide the more it shows you are serious about getting a good system from a great company.

High standards

We are very particular about the solar installers we arrange to provide you with a quote. Many solar companies approach us, and we turn many away. We vet every installer to ensure that their products, sales and install practices meet our high standards.

We're doing our bit

Solar Calculator is committed to reducing emissions and protecting our planet. We pledge 1% of all revenue to social and environmental causes that do their best to make our world better.

Our calculator tells you the emissions you will save by installing solar power, so that you can do your bit.

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Australians transition to solar

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  • CEC accredited installers
  • High quality product, sales and installation practices
  • Pre vetted & reputable installation companies
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