Solar Panel Calculator - Estimate Your Savings
Free solar calculator. Estimate your solar panel installation costs, federal tax credits, and 25-year savings based on your location and energy usage.
Estimate Your Solar Savings
Your Estimated Solar Savings
System Size
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Gross Cost
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Tax Credit (30%)
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Net Cost
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Annual Savings
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Payback Period
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25-Year Savings
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Estimates are approximate. Actual results may vary based on your specific situation.
How Our Solar Calculator Works#
Our solar savings calculator uses your monthly electricity bill, location, and roof characteristics to estimate:
- System size — How many kilowatts (kW) of solar panels you need
- Installation cost — The total cost before and after incentives
- Federal tax credit — The 30% Investment Tax Credit (ITC) you can claim
- Annual savings — How much you’ll save on electricity each year
- Payback period — When your system pays for itself
- 25-year savings — Your total lifetime savings from solar
Important Notes#
These calculations are estimates based on national and state averages. Your actual costs and savings will depend on your specific situation, including your roof condition, local utility rates, and available state and local incentives. For an accurate quote tailored to your home, use our free quote request form .