Solar Panel Savings Calculator
Calculate solar panel savings, payback period, and return on investment. Includes federal tax credits, production estimates, and 25-year projections.
Inputs
$
$/kWh
kW
$
hrs
Results
Net System Cost
$12,600.00
Tax Credit Savings$5,400.00
First Year Savings$1,025.00
Monthly Savings$85.00
Payback Period11 years
25-Year Gross Savings$34,941.00
25-Year Net Profit$22,341.00
Annual Production7,884 kWh
Bill Coverage57%
How to Use This Calculator
- Enter your average monthly electricity bill in dollars.
- Set your local electricity rate in $/kWh.
- Input the estimated solar system size in kW from your installer's proposal.
- Enter local peak sun hours per day.
- Review annual kWh generated, bill savings, and simple payback period.
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Formula
Annual Production = System Size × Sun Hours × 365 × 0.8 (efficiency). Savings = Production × Rate. Payback = Net Cost ÷ Annual Savings.Related Calculators
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