Solar Panel Size Calculator

For the most accurate and personalized off grid system size calculation call our solar experts at 1 800 472 1142.

Solar panel size calculator.

The solar sizing calculator allows you to input information about your lifestyle to help you decide on your solar panel requirements. Solar panels for households typically come in the standard dimensions of 1 70m x 1 00m that s around 1 7m2 for every panel installed however the wattage output w of the panels will likely vary between 250w and 360w for a more efficient module. Usually 12 24 or 48 volts. A 5kw solar system may produce enough energy to power your home but you may not have enough roof space for a system of that size.

I tried to use this calculator for sizing solar panels in hybrid system for micro gsm bts but size of invertor is too big for total load of 500 w. Answer the questions below to estimate how many solar panels you ll need for your home based on your location and utility consumption. Take these factors into account. You ll just need to know what total watts your electronics will consume how long you plan on running the devices your charge controller efficiency and the average sun hours per day.

Enter solar panel output voltage. Some solar calculators link into google maps wherein you select the house roof and the software calculates everything for that location. With a large usable roof area you can buy more larger panels at a lower cost per panel to get to your target energy output. If you have a small or odd shaped roof solar panel size is an important consideration when deciding on the size of a solar system.

We want to help you get the system that s right for you. Nrel s pvwatts calculator estimates the energy production and cost of energy of grid connected photovoltaic pv energy systems throughout the world. Our solar panel calculator makes it easy to size a solar array for your home. Choose the right solar panels.

For total load of 500 w with operational time 24 h per day calculator gives size of invertor about 555 kw. The solar sizing. Enter the distance in feet from your solar panels to your battery bank charge controller. In order to calculate the below data we averaged annual kwh production in the top 12 solar states and assumed standard 250 watt panels in order to calculate how many panels you would need.

To calculate the number of solar panels needed for your solar power system we use the metrics below. To use the wire size calculator just follow these 4 simple steps. The solar panel system s price is calculated by the power price calculator. The average system size in the u s.

Enter the total amps that your solar panels will produce all together.