Solar Choice’s Solar Calculator Resource Library

Over the years, Solar Choice has developed a range of interactive solar and battery storage-related calculator tools. This resource library acts as a homepage for these calculators, to make it easier to identify and access the calculator that best suits your needs.

Please keep in mind that all calculator outputs are indicative only.

Calculators for grid-connected solar systems (without batteries)

Solar Choice Solar PV System Payback Estimator

This calculator allows you to calculate payback periods for grid-connected solar PV systems. It allows you to enter basic details such as solar system size and solar self-consumption in order to determine how long it will take a grid-connected system to ‘pay for itself’.

Solar Choice payback estimator

Commercial Solar PV System Payback Calculator

With electricity prices steadily rising and solar system prices falling, solar panels one of the best investments that a business can make in Australia. This calculator will give you an idea of what size solar system may be most appropriate for your business’ energy consumption patterns and levels.

Solar-Friendly Electricity Retailer Comparison Tool

Identifying the best retail electricity plan for your solar home requires more than just looking for the company that offers the best solar feed-in tariff. This tool allows users to meaningfully compare plans across a range of user situations – and choose the one that best suits their situation.Retail electricity plan comparator tool

Simple Solar PV System Sizing & Payback Estimator

This tool allows users to quickly determine which solar system size is most appropriate for their home’s energy consumption habits. It also provides rough figures on system payback & annual savings.

Grid-connected solar system sizing tool

Explore your roof’s solar potential

This tool allows you to get a rough idea of how much solar panel capacity you could fit on your roof, and what sort of energy yields you might expect. The results are indicative only.

Explore your roof's potential

Calculators for solar plus battery storage systems

Battery storage is becoming increasingly popular, but it’s still unclear whether investing in a home battery system is an ‘economically rational’ decision. These calculators aim to shed some light on the subject.

Solar & Battery Storage System Sizing & Payback Calculator (Full-version)

This tool lets users get a ballpark figure for how much solar+storage capacity they would need based on their current electricity consumption habits. It formulates outputs based on a wide range of input parameters such as solar system size, battery system size and battery usage preferences. It also gives ballpark figures on system payback times & annual savings.

solar storage sizing and payback calculator

Simple Home Battery Storage Sizing Estimator

This calculator is a simple tool for estimating what size battery bank would be appropriate for your home, and is designed as a starting point for households looking into battery storage. It is based on research and tables put together for our article “Sizing residential solar & battery systems: A quick guide” (which we encourage you to read for more background information).

Battery Storage Product Performance & Value Comparison Tool

This tool allows users to easily compare a wide variety of battery storage products in a meaningful way – regardless of their nominal capacity, warranty period or cycle life. In its simple form, it can be used to compare up to five different products side-by-side, but users can also sort & filter the full list of products.


Compare solar & battery storage quotes from installers in your area.

Compare Solar & Battery Quotes

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