Solar Panel Payback Calculator (2026 Edition)
Don’t trust the door-to-door salesman’s math. Use this tool to calculate your True ROI and payback period based on your actual electric bill, 2026 installation costs, and utility inflation rates.
Net Cost (After Tax):$0
Year 1 Savings:$0
Estimated Payback Period
0 Years
25-Year Profit: $0
How to Read Your Solar ROI Results
What is a “Good” Payback Period?
In most US states with average electricity rates ($0.15/kWh), a solar system should pay for itself in 6 to 9 years. Since solar panels are typically warrantied for 25 years, this means you will receive 16+ years of essentially free electricity.
Why does “Inflation” matter?
Utility companies raise rates by an average of 3-5% every year. By generating your own power, you lock in your costs today. This calculator includes a 4% inflation adjustment to show you the “Opportunity Cost” of sticking with your utility company.