Solar Panel ROI Calculator
Solar ROI Analysis
Formula
Net Cost = System Cost x (1 - Tax Credit %). Annual Savings = Monthly Bill x 12 x Offset %. Lifetime Savings = Sum of annual savings with rate increases. ROI = (Profit / Net Cost) x 100.
Frequently Asked Questions
What is the average payback period for solar panels?
The average payback period for residential solar in the US is 7-12 years, depending on location, electricity rates, system size, and available incentives. After payback, all savings are pure profit.
Do solar panels increase home value?
Studies show solar panels increase home value by approximately $15,000-$20,000 on average. Homes with solar sell faster and for about 4.1% more than comparable homes without solar.
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