Welcome to Solar Panel Calculator

Discover the most user-friendly solar panel calculator on the web!



Try Other Solar Panel Calculators?
  • Energy
  • Savings
  • Buy or Lease Calculator
  • Power Consumption Calculator

Quick Start Guide:

1. Enter your address or zip code above.

2. Once we determine your state or province, we will display the average figures for the cost of electricity and annual consumption for your location.

3. You can fine-tune these estimates to better fit your particular consumption profile.

4. You can change many financial assumptions to see if the buy or lease option is better for you.

5. Some of the key variables are the cost of solar panels, monthly lease payment and the useful life of your panels.

Cost of Solar Panels $/Wp
Your Utility Rate $ /kWh
Number of Solar Panels

Purchase Net Savings

Lease Net Savings

Levelized Cost $/kWh




Purchase Option


Down Payment

Interest Rate %

Lease Option


Monthly Lease Payment $/month

Solar Production (kWh)

Item Purchase Option Lease Option
Your net savings
Amount due on installation $ $0 down
Term for Loan or Lease
7years
20years
Federal tax credit $ Claimed by the leasing company. Not available to the homeowner.
Maintenance Costs $ Incurred by the leasing company
Monthly payment $
$60
Escalation rate You lock-in your cost, no escalation.
3%
Useful life of your panels
25years
Limited by the lease term above.
Inflation
2%
Utility Escalation
2%