Calculators and tools to help you go solar
Use our calculator tools to work your system, potential savings and more.
Popular calculators
Whether you're starting your solar journey or looking to upgrade an existing system, our solar tools and guides have everything you need to make an informed decision.
See your solar power cost and savings
Our advanced solar calculator will give you a comprehensive analysis of your solar system cost, payback period, annual and lifetime savings, carbon emissions reduction, and the estimated energy generation. If you're unsure where to begin, start right here.
Calculate your solar savingsCalculate your savings in minutes with our free and trusted solar calculator.
SOLAR SYSTEM SIZEWork out what system size you need
We’ll use your budget, available roof space, and electricity usage to calculate the optimal number of solar panels you need to efficiently power your property.
Calculate your system size
Solar batteryFind your ideal battery storage capacity
Calculate the costs and savings of adding battery storage to an existing solar system.
Calculate your battery storage
Off grid solarEstimate your off grid power requirements
Get an idea of the system size and battery bank required for a reliable supply of solar energy to your off-grid location.
Calculate your off-grid requirements
Solar loanCalculate your monthly loan repayments
We’ll look at your loan type and amount to see how much you’ll pay back each month.
Calculate your repayments
Solar rebateDiscover your rebate entitlements
We’ll use your location and system size to work out your government rebate amount.
Calculate your solar rebate
General electricity useSee your electricity use
Work out how much electricity your household consumes on a daily basis.
Calculate your electricity useExplore our solar energy guides
If you're just getting started with solar, check out our guides on panels, batteries and rebates.
Start here
Are you ready for the benefits of solar?
Get 3 free quotes and start your journey towards making the switch.
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