Is Solar Worth ItFor Your Home?
Get honest, transparent calculations on solar panel savings, payback periods, and system sizing — no sales pitch, just numbers.
Free Solar Calculators
Everything you need to make an informed decision about solar energy.
Solar Savings
Estimate annual savings, payback period, and 25-year profit based on your electricity bill and location.
Panel Size
Find out how many panels you need and how much roof space is required for your energy usage.
Battery Storage
Calculate battery capacity, costs, and time-of-use savings for energy independence.
Payback Period
Get a detailed year-by-year breakdown of when your solar investment pays for itself.
Why Use SolarPayback?
No Sales Pitch
We don't sell solar panels. Our calculators give you unbiased numbers so you can decide for yourself.
State-Specific Data
Electricity rates, sun hours, and state incentives are factored into every calculation.
2026 Updated
Our calculations reflect the reality of solar in 2026, including the absence of the federal tax credit.
Ready to run the numbers?
Start with our most popular calculator and see how much you could save.
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