Solar Panel Payback Calculator
Estimate solar savings, payback, and 25-year net benefit.
Result
Levelized cost (LCOE)
—
25-yr lease total
—
Loan payment (if financed)
—
25-year net benefit
—
Net cost after credit
—
Simple payback
—
First-year savings
—
Formula
Calculation logicWhat to check
- System size and installed cost
- Tax credit eligibility
- Annual production estimate
- Loan terms if financed
Related calculators
Calculator
25-Year Cash Flow Milestones
Cumulative net at years 10, 15 and 25 with escalation and degradation.
Open calculatorCalculator
Azimuth Direction Loss Calculator
Annual loss vs true south by azimuth choice.
Open calculatorCalculator
Battery Backup Hours Calculator
Runtime for critical loads from usable kWh.
Open calculatorCalculator
Battery Bank Size Calculator
Off-grid battery bank from daily use, autonomy, and discharge depth.
Open calculatorSaved calculations
Keep the assumptions with the result.
Save this calculation to return to the inputs, result, and report anytime.
Sign in or create an account to save this calculation.