Solar Savings / Payback Calculator
Frequently asked
How do I calculate solar payback period?
Divide the net system cost after subsidy by the annual savings from your electricity bill. This calculator gives the payback in years and also shows lifetime savings and ROI.
What is a good payback period for solar?
In India, 4-6 years is common for residential solar with subsidy. This calculator uses your exact bill and system cost to compute payback.
What is the typical lifetime of a solar system?
Solar panels last 25-30 years with minimal maintenance. The inverter may need replacement after 10-12 years. This calculator uses expected lifetime to compute total savings.
Which related calculators pair well with the Solar Savings Calculator?
People evaluating solar savings often also need Solar Rooftop Sizing Calculator and Battery Backup Calculator. Each is free and quotation-ready.