Solar Panel Payback & ROI Calculator -

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Solar Panel Payback & ROI Calculator

Estimate your solar system’s annual savings, payback period, lifetime savings, and return on investment.

Solar System Cost Total installed system cost before incentives

Tax Credits & Incentives Enter 0 if there are no incentives

Current Annual Electricity Cost Your estimated electricity spending per year

Solar Energy Offset (%) Percentage of electricity costs offset by solar

Annual Electricity Price Increase (%) Expected yearly increase in electricity prices

System Life (Years) Expected operating period of the solar system

Annual Maintenance Cost Estimated maintenance cost per year

Annual Solar Degradation (%) Typical panel degradation can be around 0.5% per year

Net Solar Cost —

First-Year Gross Savings —

First-Year Maintenance —

First-Year Net Savings —

Simple Payback Period —

Lifetime Net Savings —

Lifetime ROI —

Total Lifetime Benefit —