Calculate Your Solar Panel Needs

Calculate your daily kwh usage.

Calculate your solar panel needs.

This takes into consideration the cheaper glass or plexiglass used in diy panels heating of the panels and lack of expensive electronics. Do not panic we will raise these numbers later. The number of solar panels of the size used in the calculation will theoretically meet that energy demand during a sunny day. For now calculate 30 of your homemade solar panel s rating.

For example if your solar panel is rated at 100 watts figure on about 30 watts output. You calculate how many solar panels you may need by dividing the maximum hourly solar energy system output by the wattage output of one single panel. You probably consume more electricity during certain months of the. Calculating the number of solar panels needed to power your entire home involves determining your daily energy requirements finding the daily peak sunlight hours for your location and then dividing your overall needed watts by the watt rating for the solar panels you choose.

12 month usage map area number 0 85 system size. If you re following along at home here s the calculation so far so you can plug your own numbers in. You must simply divide the average daily kwh by the peak sun hours assuming a 30 day month an electricity generation of 1 000 kwh is equivalent to 33 33 kwh per day. So the average american home in the average american city needs 6 62 kw of solar panels installed.

Calculate solar panel costs for your home determine your average monthly electricity usage. The first step is calculating the kilowatts needed.