Understand your savings
Review indicative monthly and annual savings based on the values you enter.
Solar savings calculator
Calculate your solar savings.
Enter your property details, electricity use and rooftop area to estimate a suitable solar system size, project cost and potential savings.
✓ Residential, commercial and industrial✓ Indicative system sizing✓ Payback and long-term savings
Your solar estimate
Plan your solar investment
Change the values and select Calculate My Solar ROI to refresh the estimate.
STEP 1 · YOUR ENERGY NEEDS
Tell us about your property
Start with your property type and monthly electricity usage.
Used for indicative generation estimate.
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1 unit = 1 kWh. Use your bill if available.
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Allow approximately 80–100 sq. ft. per kW.
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Change this to match your expected project quote.Estimate system capacity
Compare energy usage with a practical system-size estimate and available rooftop space.
Explore your payback
Use the payback estimate as an initial guide before a site survey and formal proposal.