Solar System ROI Calculator

/ month (inc. VAT)
System Size
—
kWp required
System Cost
—
inc. VAT
Monthly Saving
—
on electricity
Payback Period
—
from installation
10-Year Savings
—
gross cash flows
IRR
—
internal rate of return
NPV
—
net present value
ROI
—
return on investment
S12B Tax Benefit Year 1 tax credit from depreciation allowance —

🔓 Unlock Your Free Solar Report

Enter your details below to see your personalised savings breakdown.

Add me to the mailing list for solar tips, promotions & industry news

🔒 Your information is kept private and never shared with third parties.

10-Year Cumulative Payback
Estimates based on current system pricing and Eskom tariffs. Actual results may vary. Consult a qualified solar installer for a formal quotation.