Determine your monthly usage from your bill. This is measured in kWh per month.
Enter your information in the fields below.
Monthly electrical use
(average the kWH on your bill)
Manual System Sizing Tool
Using the amount monthly kWhs from your utility bill, and the amount of sun hours your location receives, you can find the size of your system, in DC watts, needed to cover 100% of your usage. For a list of current kit prices please visit our grid tie kits page.