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.
|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)|