Solar ROI Calculator

Enter your details below and we'll estimate your solar savings. No signup, no sales pitch — just numbers.

Your Details

Fill in the fields below for a quick estimate based on your building and energy usage.

UK average is ~30p/kWh
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Your results will appear here

Fill in the form and click Calculate to see your estimated solar ROI, payback period, and 25-year savings projection.

System Size
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Installation Cost
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Year 1 Savings
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Payback Period
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25-Year Net Benefit
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Annual Gen. (kWh)
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CO2 Saved (t/yr)
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Self-Consumption
25-Year Cumulative Savings

Want a detailed assessment?

These estimates are based on averages. A site-specific survey will give you precise numbers for your building.

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Assumptions & Disclaimer

Estimates based on UK averages. Actual results depend on roof orientation, shading, panel type, and energy usage patterns. Contact us for a site-specific assessment.