Free Consumer Tools

Solar Lease, Loan & Maintenance Fee Calculators

Estimate solar lease costs, financing costs, and see how annual payment or maintenance-fee increases can compound over time.

Solar Lease Calculator

Estimate Your Remaining Lease Cost

Enter the lease start date, original term, current monthly payment, and annual payment increase.

Lease Start Date

Original Lease Term (Years)

Current Monthly Payment

Annual Increase (%)

Estimated Time Remaining—

Estimated Current Annual Cost—

Estimated Final Monthly Payment—

Estimated Remaining Payments—

Estimated Lease End Date—

Lease Year	Estimated Monthly Payment	Estimated Annual Cost

Loan Calculator

Estimate Your Financing Cost

Enter the amount financed, interest rate, and loan term.

Amount Financed

Interest Rate (APR %)

Number of Years

Loan Start Date

Estimated Monthly Payment—

Estimated Current Loan Balance—

Total of Payments—

Total Interest—

Estimated Final Payment Date—

Maintenance Fee Calculator

See the Effect of Annual Increases

Enter the current annual maintenance fee, annual increase percentage, and number of years.

Current Annual Maintenance Fee

Annual Increase (%)

Number of Years

First-Year Fee—

Final-Year Fee—

Total Fees Over Period—

Year	Estimated Annual Fee

Calculator disclaimer: These tools provide mathematical estimates for general educational purposes only. The current balance assumes a standard fully amortizing monthly loan with payments made on schedule and no extra payments, deferred payments, fees, or missed payments. Actual loan payments, balances, fees, assessments, taxes, financing charges, payment timing, and contract terms may differ.