Solar Panel Payback Period & ROI Calculator

System cost, subsidy, and expected savings - payback period, ROI, and a cumulative savings chart.

System cost

Subsidy / incentive amount

Programs vary by country and change often - enter your actual approved amount.

Expected annual electricity savings

Based on your local tariff - varies too much to estimate for you.

System lifespan

yrs

Payback period

5.3 years

ROI over lifespan

275%

Net system cost (after subsidy)8,000.00

Payback period5.33 years

Total savings over lifespan30,000.00

ROI over lifespan275.0%

Subsidy programs and electricity tariffs vary by country and change frequently - figures above reflect exactly what you entered, not a live rate lookup.

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