Commercial Solar Calculator: Payback, ROI & IRR

Welcome to Solar Choice’s Commercial Solar Payback Calculator tool. Solar Choice has put this tool together to help businesses (and anyone else who is interested) to work out approximate payback periods and return on investment (ROI – or IRR in our case) for commercial solar power; the tool also makes indicative solar system size recommendations based on the pricing & consumption details that you enter.

The Commercial Solar Payback Calculator below is a streamlined and simplified (but still fairly sophisticated) version of the engine used by our in-house engineer to generate Indicative Business Case Analysis for our commercial clients.

Solar Choice provides this analysis – alongside commercial solar quote comparisons from leading installers around the country – for free as part of our commercial tender management service. Please get in touch today to learn more about how we can assist.

Request a free solar business case and compare leading commercial installers

Since 2008 Solar Choice has consulted with over 3,000 businesses around Australia and helped develop over 800MW solar commercial and solar farm projects.

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Over 3,000 businesses have trusted Solar Choice

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  Commercial
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  Is Mobile
• Business Name*
• Do you know what size system you would like to install?*
  • Under 30kw
  • 30 to 100kW
  • 100 to 1MW
  • Over 1MW
  • Not sure
• What stage are you at with your investigations?
  Just getting startedAlready done some research into solarReceived Quotes Already
• What is the address of the proposed installation?*
  This information is used to identify your roof and the local pre-vetted installers to include in your online quote comparison.
  Full Address Address Line 1 City NSWVICACTNTQLDSATASWA State Postcode

• Contact Name*
• Email Address*
• Phone Number*
• Upload a recent power bill (optional)
  Drop files here or Select files

  Accepted file types: pdf, Max. file size: 2 MB, Max. files: 3.
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  Affiliate Code
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  Stats
• Phone
  This field is for validation purposes and should be left unchanged.

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Please note that because commercial electricity bills are significantly more complex and variable than residential electricity plans, the results that this calculator produces are highly indicative, and should not act as a substitute for more detailed analysis. This complexity also means that there is a higher risk of input errors or omissions. If you have any questions about how to use this tool, please get in touch with us on communications@solarchoice.net.au.

More notes about this tool

• To improve usability for a general audience, this tool uses a number of assumptions and generalisations. For example, there are only two consumption patterns and tilt angles to choose from.
• At this point in time, the maximum system size that our calculator will recommend is 100kW. If you believe your business would benefit from a larger system, please get in touch to discuss your project in more detail.
• Please enter values in the white cells only.