Grid Tied Solar System Sizing Calculator

Grid Tied Solar System Sizing Calculator

The altE Grid Tied Solar System Sizing Calculator is designed to help you size a solar panel system for on-grid use. Simply go through the steps listed below, and you will get an idea of what you need for your system. For help sizing a system that fits your needs, Book a Technical Support Call — $99.00 or request a written quote.

Sizing a Grid Tied Solar System

Let's get started.

Step 1

For Watt-Hours/Day, please use our kWh Calculator. For Monthly kWh, check your monthly kilowatt-hour usage printed on your electric bills.

Step 2

Peak sun hours are the average number of hours per day of full-strength sun at your location. To find yours for free, enter your address in NLR's PVWatts calculator and use the annual average kWh/m²/day value from its results as your sun hours.

Step 3

How many solar panels do you need? That depends on the panel you choose. Select the wattage of the panel you're interested in and we'll give you an estimate.

Recommendations

Solar Array Capacity

Please enter your Energy Usage and Sun Hours to get started

Inverter Capacity

Please enter your Energy Usage and Sun Hours to get started

Next steps

Your result is the array size in watts and a panel count. To turn it into a parts list:

Get a Quote!

Now that you have sized up a system that fits your needs, it's time to get started with technical input on your design by submitting a formal request!

Need help with your system?

Get one hour of personalized help with equipment selection, system questions, commissioning, or troubleshooting. Purchase your session, then use the scheduling link provided after checkout to choose an appointment.

Book a Technical Support Call — $99.00