size of the solar panel array and on-grid system you will need.
How many kilowatt-hours (kWh) does your home/location use per month?
(This value is usually printed on your electric bill. Entering your annual average gives even more useful results. If you
don't have a bill, or don't know your consumption, please use our Load Calculator
to go through the steps to determine this value.)
kilowatt-hours per month
What portion of your electricity usage (your "load") do you want to produce with a solar electric system?
You can adjust this portion by entering a percentage number below (don't bother typing the % sign).
Desired percentage of total loads offset by solar
You need to determine the average number of sun hrs per day.
Select the State-City
Closest to your location (currently only US states are provided)
or Manually enter the
average sun-hours for your location.
many solar panels do you need? That
depends on the panel you choose.
Select the wattage of the
panel you're interested in, and see the results below:
watts per panel
Find the solar panel that fits your needs here.
You will need panels for a total of watts.
You will need a On-Grid inverter that can handle watts
Browse our full line of On-Grid Inverters.
Is your electricity consumption so high that a solar electric system seems far out of reach? Don't despair, our Experts can help you find
other solutions that may help.
Now that you have sized up the system that fits your needs, call
our Experts at 800-320-9514 and let them help you find the
exact products for your system.
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