Solar Calculators

These calculators allow you to calculate things like what size solar system you need, what payback period can you expect and, what savings you can expect.

Solar Calculator
1. How many kilowatt hours (kWh) do you use per month?
2. What percentage of this power do you want to offset with solar?
3. Which state is your house in?

Minimum PV System Size (in watts)
Recommended PV System Size (in watts)