Solar ROI Calculator
Calculate your return on investment for a solar panel system based on your location, energy usage, and system configuration.
Configure Your System
Leave blank to auto-calculate from your bill
Key Results
System Size
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kW capacity
Annual Production
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kWh / year
Annual Savings
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per year
Payback Period
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years
25-Year ROI
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return on investment
Tax Credit Scenario
Standard residential installation in 2026. Federal solar tax credit eliminated Jan 1, 2026.
Estimated monthly energy production (kWh)
| Year | Annual Savings | Cumulative Savings | Net Profit / (Loss) | ROI |
|---|
Cash Purchase
Maximum long-term savings
- Upfront Cost
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- Monthly
- $0
- 25-Yr Savings
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- Break-Even
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Solar Loan
7.49% APR · 15 yr
- Monthly Payment
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- Total Loan Cost
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- 25-Yr Savings
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- Total Interest
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Lease / PPA
$0 down · You don't own
- Monthly Payment
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- 25-Yr Total Cost
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- 25-Yr Savings
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- vs Cash (lost)
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Estimates are based on national averages and should be used for planning purposes only. Actual savings will vary based on local electricity rates, weather patterns, shading, and installation factors. Note: The federal solar tax credit was eliminated January 1, 2026. State incentives may still be available.
These projections use ZIP-level averages. Get production and savings for your exact roof.
Analyze your actual roof with satellite data